Die Schwalbe

608 problem(s) found in 1062 milliseconds (displaying 100 problem(s)). [COMMENTDATE>=20191019]

1 - P0000888
Bruno Ebner
638 Die Schwalbe 13 02/1972
P0000888
(5+10)
#1
a) -wDc6: 1. Sc6#
b) -wSd4: 1. Td4#
c) -wTd3: 1. Sd3#
d) -wSc5: 1. Dc5#
play all play one stop play next play all
Mario Richter: Illegale Stellung (mehr schwarze Bauernschläge notwendig als weiße Steine fehlen).
Offensichtlich ein Scherzproblem, Lösung vermutlich: entferne eine weiße Figur, dann:
- wTd3: Sd3#
- wSd4: Td4#
- wSc5: Dc5#
- wDc6: Sc6# (2010-2-24)
Henrik Juel: Writing the above solution in this order
-Td3, Sc5-d3#
-Sc5, Dc6-c5#
-Dc6, Sd4-c6#
-Sd4, Td3-d4#
discloses a cyclical pattern. (2010-2-26)
A.Buchanan: I guess it would spoil the joke to ask why we're not removing a black pawn? (2019-10-22)
Alfred Pfeiffer: Die Entfernung eines beliebigen schwarzen Bauern erlaubt kein #1. (2019-10-22)
A.Buchanan: Exactly, Alfred (2019-10-22)
comment
Keywords: Illegal position, Joke, Remove pieces, Cycle
Genre: Retro
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2019-10-22 more...
2 - P0000947
Theophilus Harding Willcocks
Werner Keym

Die Schwalbe 1978
P0000947
(3+9)
Letzter Zug?
R: 1. Da8xTb8 Tb7-b8 and e.g. 2. Lb8xSc7
play all play one stop play next play all
siehe auch P0000948
more ...
comment
Keywords: Last Move? (DxT), Type A, Economy record, Type B (a fortiori)
Genre: Retro
Reprints: 1.9A Eigenartige Schachprobleme , p. 174, 2010
1.9B Eigenartige Schachprobleme , p. 174, 2010
Input: Gerd Wilts, 1995-6-3
Last update: A.Buchanan, 2019-10-30 more...
3 - P0001141
George Hume
Jamaica Gleaner 12/1891
Weihnachtsturnier 1891
1. Preis
P0001141
(9+9)
Auf welche Gedanken kommen Sie bei dieser Stellung?

Der Ld6 ist keine UWF und der sBg7 wurde auf seinem Ausgangsfeld geschlagen. Nach dem Autor muss der letzte Zug also Lf8-d6 gewesen sein, also illegale Stellung.
Datum der Originalpublikation nicht 100% sicher, laut ACM aus der "Jamaica Gleaner Christmas column".

Originalforderung: How has the position been arrived at and who is the winner, and in how many moves?

From the Jamaica Gleaner: "White mates in two moves. The last move made was by Black playing his Bishop and announcing mate. As it can be demonstrated that the Bishop is not a promoted Pawn and that Black's King's Knight's Pawn was captured on its original square by White's Queen's Knight's Pawn the Black Bishop must have been played from Bishop's square (f8) to Q3 (d6). This being an illegal move, White enforces the penalty of compelling Black to retract it and move his King whereupon White plays 1 PXB(Q) ch (1.gxf8=Q+) and mates next move by 2 Q-B4 (Qf4#). The following is a brief but pointed analysis, demonstrating the false move: White's Pawns have made six captures all on black squares. The Q Kt P (Pb2) made five of these and consequently captured the Kt P on the square upon which it now stands (g7). They could not have captured the Q B which is also lost. The White Bishop is the QRP (Pa2) promoted, the original KB having been captured on its own square as the unmoved Pawns show. To allow this promotion Black's QRP (Pa7) made two captures, the QKtP (Pb7) one, and the QBP (Pc7) two. The KRP (Ph7) has also made a capture, which accounts for the seven pieces White has lost. The Black Bishop is not a promoted Pawn, as if the Black KBP (Pf7) had played to the 7 th square (f2) and then captured a White piece on K or Kt square (e1 or g1) the captures by White Pawns cannot be accounted for without including the Black QB or KRP neither of which is available. As it can be demonstrated, then that the Black Bishop is not a promoted one, and that the KKtP was captured by the White Pawn which now stands on that square, in order to reach Q3 the Black Bishop must have an impossible move.

Der Kolumnist des ACM merkt aber zurecht an:
ACM: The above is a very fine piece of analytical work; but there is a slight flaw in connection with the minor condition, 'mate in two'. In a position of this kind we believe only that which can be proved; thus we do not think that White has any right to enact a penalty, as neither the analysis nor the conditions show that the Black Bishop came from Bishop's square on his last move; indeed, that Bishop may have played outside the Pawns on the very first move of the game which, being played, brought about the position.
A.Buchanan: I don't think this is cooked, I think it's just a very bad joke. Most time when moves are retracted it's because of self-check or illegal castling, occasional illegal en passant. But here we are meant to conclude that the Bl bishop has hopped over Bl pawn. There are problems by Hieronymus Fischer e.g. P1309484 where we are meant to conclude that a unit has escaped its game array cage somehow, but the piece is simply replaced: there is no move to be retracted and supplanted. But as long as such a problem is true to its own (joke) internal logic, it can't be described as cooked. If it fails (e.g. P1246715) it can indeed be cooked and repaired. (2019-10-22)
HBae: White plays 1 PXB(Q) ch (1.gxf8=Q+). Muß der sK nicht auf f5 stehen? (2019-10-22)
Henrik Juel: Last move (supposedly) was Lf8-d6#, which is obviously impossible and hence illegal
The penalty for this is that Black must replace Ld6 on f8 AND instead make an arbitrary move with his king
So the forward play is
0... Kf5,Kf6,Kh6 1.gxf8=D+ Kg5,Ke5 2.Df4# (2019-10-22)
comment
Keywords: Illegal position, Joke, Retract illegal move (stuck at home), Touch Move
Genre: Retro
Reprints: American Chess Monthly 1, p. 11, 03/1892
Jamaica Gleaner 30/04/1892
17 Europe Echecs 14 10/1959
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2019-10-23 more...
4 - P0001455
Alexander Kislyak
Die Schwalbe 1976
1. Preis
P0001455
(12+14)
#1 (wer?)
1. ... Sxb2#? - aber Schwarz hat zuletzt gezogen

1. Sxc4#

R: 1. ... Se3-c4 2. Sd3-b2 Sg2-e3 3. Se5-d3 Se1-g2 4. Sg6-e5 Sg2-e1 5. Sf8-g6 Se1-g2 6. f7-f8=S Sg2-e1 7. f6-f7 Se1-g2 8. f5-f6 e2-e1=S 9. f4-f5 e3-e2 10. f3-f4 f4xLe3 11. Ld4-e3 f5-f4 12. Lb2-d4 f6-f5 13. Lc1-b2 f7-f6 14. b2-b3 Sb3-a1 15. h2-h3
play all play one stop play next play all
Unglaublich, wie die 4 weißen Bauern e-h mit ihren Schritten haushalten müssen, damit am Ende der Weg für den weißen Königsturm und den umgewandelten schwarzen Läufer a7 nicht versperrt wird.
Dr. K. Fabel-Gedenkturnier
Henrik Juel: Typos:
The solution should read something like
1.Sxc4# (not 1... Sxb2??)
(because the retroplay shows that White has the move)
The last retraction in the given retroplay should read h2-h3, not h2-h1
Finally, the current PDB standard is to write the white retraction first, so the retroplay should read something like
-1... Se3 -2.Sd3 Sg2 ... -14.b2 Sb3 -15.h2
(Yes, I know that the animation machine requires full retro notation, but abbreviated notation is so much easier to write and to read...) (2019-11-10)
Henrik Juel: This fine retro deserves a closer look, I think
White captured [Lf8] and axb (to promote on b8, as Ld8 cannot get home to c1)
Black captured bxc, c7xd6, a third pawn capture to promote [Pf7] or [Ph7] to L on a black square, and a fourth capture to promote the other missing black pawn (since White did not capture a black pawn on the f- or h-file)
So Black did not capture [Lc1] on c1, and the plan for the retro play is to unpromote wSb2 on f8 and retract the resulting wP to f3 (not to f2, as sLa7 must unpromote on g1), allowing sSc4 to unpromote on e1 and letting the resulting sP uncapture on e3 a dark-squared wL, which goes to c1, permitting b2-b3 and Sb3-a1
The two knights cannot change the tempo, h2-h3 is needed at the end, and d3-d4 would prevent a white rook to get home to h1, so we can determine which camp starts the retroplay (2019-11-11)
comment
Keywords: Whose move?
Genre: Retro
Reprints: 329 Europe Echecs 225/226 10/1977
feenschach 41 01-03/1978
632 FIDE Album 1974-1976 1980
(2) Die Schwalbe 103 02/1987
Input: Gerd Wilts, 1995-6-3
Last update: Mario Richter, 2019-11-12 more...
5 - P0001972
Thomas R. Dawson
Pittsburgh Post 1923
P0001972
(16+11)
h#1
1. cxd3ep Kd4#

R: 1. d2-d4 Tf5-f6 2. Sf6-g4+ Td5-f5 3. Sf5-h4+ Td3-d5
play all play one stop play next play all
Cook: Henrik Juel (2005-2-18): R: 1. Le5-g3 Tf5-f6 2. Lf6-e5+ Td5-f5 3. d2-d4 Td3-d5 etc.
auch in der Zeitschrift 'The Chess Problem' exakt mit dieser Stellung nachgedruckt, als Quelle ist dort (in der Rubrik "Selected From Early Days") genannt: "Italia Scac. 1917".

Falls tatsächlich ein Druckfehler vorliegt, und der wLg3 nach f2 gehört, scheint er sich weit verbreitet zu haben ...
Henrik Juel: 0... cxd3ep 1.Kd4#. -1.d2 Tf5 -2.Sf6 Td5 -3.Sf5 Td3 etc. (2004-3-18)
Henrik Juel: The problem is incorrect, because the retroplay could also be -1.Le5 Tf5 -2.Lf6 Td5 etc. (2005-2-18)
Mario Richter: Since there's also the even more trivial retroplay 0. ... f2-f3 Tf5-f6 1. Sf6-g4+ Tf3-f5 2. Sf5-h4+, my guess is, that the diagram is misprinted and that the wLg3 should be placed on f2. Doing so, the ep-key is justified, because in this case White's last move must have been d2-d4 (to provide d3 as a square for the black rook). (2011-8-19)
Mario Richter: A sin from my youth - today I do not see how the retroplay can be continued after 0. ... f2-f3 Tf5-f6 1. Sf6-g4+ Tf3-f5 2. Sf5-h4+ ???
So Henrik's cook is the only one, but I still think that my suggested correction is valid. (2019-10-18)
A.Buchanan: I agree with Mario. And it feels like a bug rather than a typo. This problem does not appear in WinChloe, either in source or number of pieces, so I can't check. (2019-10-19)
comment
Keywords: En passant, Last Moves?, Retro Opposition, En passant as key
Genre: h#, Retro
Reprints: The Chess Problem (Whitburn)
Input: Gerd Wilts, 1995-6-3
Last update: Mario Richter, 2019-10-18 more...
6 - P0004088
Niels Høeg
The Chess Amateur 1923
P0004088
(9+15)
Weiß 1 Zug zurück, dann #1
R: 1. Th8-d8, dann 1. Dd1#
Ksl5/lttb1bb1/Tbb3B1/db6/k5b1/b7/BBBBB3/T1L5 (10+15)

This intermediate position was reached after white captured fxSe and
promoted on e8 and h8, while black captured a7xb6 (not a6xb5 which
cannot explain the north-west cage), e7xd6xc5xb4xa3, and h5xLg4.
The problem position is reached by:
1.b4 f6 2.Lb2 f5 3.Th1 f4 4.Th8 f3 5.Lf6 f2 6.Lg5 g3 7.Lh6 gxh6
8.g7 h5 9.g8=D h4 10.Dd5 h3 11.Dh1 h2 12.c3 g2 13.Td8
Other similar arrangements with one white and three black pawns on the f-, g-, and h-files are either illegal or cannot lead to the problem
position.
play all play one stop play next play all
Henrik Juel: A complete solution involves attempting the four possible retroplays where White unpromotes wDh1 and Black uncaptures [wLc1], leaving room for two more white unpromotions (and one uncapture by a wP)
-1.Tf8?? f3 -2.Db1 f4 -3.Dg6 h3 -4.Dg8 h4 -5.g7-g8=D h5 -6.g6 h6 -7.g5 h7 -8.g4 g5xLf4 -9.Le5 g6 -10.Tf1; far too slow
-1.Tg8? g3 -2.Df3 g4 -3.Df8 g5 -4.f7-f8=D f3 -5.f6 h3 -6.f5 f6xLg5 -7.c2 f7 -8.Lf6 h4 -9.Tg1 h5 -10.Ta1 h6 -11.Lb2 h7 -12.Lc1; one tempo too slow
-1.Tg8? g3 -2.Da1 g4 -3.c2 g5 -4.Dh8 h3 -5.h7-h8=D f3 -6.h6 f4 -7.h5 h6xLg5 -8.Lf6 f5 -9.Lb2 f6 -10.Tg1 f7 -11.Ta1 h7 -12.Lc1; one tempo too slow
-1.Th8 g3 -2.Dd5 h3 -3.Dg8 h4 -4.g7-g8=D h5 -5.g6 h6 -6.c2 g7xLh6 -7.Lg5 g4 -8.Lf6 f3 -9.Th1 f4 -10.Ta1 f5 -11.Lb2 f6 -12.Lc1 f7 -12.b2 Kb4 etc.; solution (2019-11-19)
comment
Keywords: Help retractor
Genre: Retro
Reprints: Thema Danicum 99 2000
Input: Gerd Wilts, 1995-6-3
Last update: Gerd Wilts, 2003-1-18 more...
7 - P0004318
George Hume
Jamaica Gleaner 31/12/1892
Ehrende Erwähnung
P0004318
(7+7)
#1 oder s#1
1) R: 1. d4xe3ep, dann 1. d4xc3 Sd3#
2) R: 1. d4xe3ep, dann 1. Lh7xe4+ 2. Sd3+ Lxd3#
play all play one stop play next play all
Beide Könige sind im Schach. Schwarz ist aufgefordert, den illegalen Zug d4xe3ep zurück zu nehmen und statt dessen einen anderen legalen Zug unter Berücksichtigung von "berührt - geführt" auszuführen.
A.Buchanan: Any idea why we think that the last move was ep rather than e.g. Kf5-e5+(+)? Unlike some joke problems, there is no illegality associated with the ep itself. R: 1. d4xe3ep+(+)? e2-e4 2. Lg8-h7.
What exactly was the touch-move rule in 1892? Wikipedia says "The 1862 laws of the British Chess Association's Law VII provided instead that if a player made an illegal move, "he must, at the choice of the opponent, and according to the case, either move his own man legally, capture the man legally, or move any other man legally moveable." I guess if the third option were chosen (which doesn't apply here), then Black gets to specify which piece he moves, as long as it's not the one he touched, and as long as it doesn't capture the piece which was captured by the illegal move. Is that a fair interpretation?
But outside Britain (or the British Empire!) the earlier 1845 rule would apply, even as late as 1893 (e.g. Lindermann v Echtermeyer, at Kiel) "If a player make a false move, i.e., play a Piece or Pawn to any square to which it cannot legally be moved, his adversary has the choice of three penalties; viz., 1st, of compelling him to let the Piece or Pawn remain on the square to which he played it; 2nd, to move correctly to another square; 3rd, to replace the Piece or Pawn and move his King."
So if someone was in stalemate, they could play any illegal move, and then could perhaps argue that the only option available to the opponent is to let them make that illegal move! (New bad joke!)
The Wikipedia article is currently incomplete about when these older rules were superseded, but I have requested an update. (2019-10-21)
comment
Keywords: Illegal position, Touch Move, Retract illegal move (self-check), Joke, En passant
Genre: Retro
Reprints: 60 Changing Fashions 1925
(XVI) Problem 79-82 01/1962
Input: Gerd Wilts, 1995-6-3
Last update: A.Buchanan, 2019-10-21 more...
8 - P0573491
Peter Wong
Phénix 13 1991
P0573491
(7+6+2) C+
ser-h#2
Duplex
b) wKh3 nach e3, wBg7 nach d3
a) 1. g1=nD 2. Db1 h8=nD#
w) 1. ... h8=nS 2. Sg6 g1=nS#
b) 1. g1=nT 2. Txg3 h8=nT#
2) 1. ... h8=nL 2. Lc3 g1=nL#
play all play one stop play next play all
Allumwandlung!Babson
more ...
comment
Keywords: Series mover, Allumwandlung, Babson task
Genre: Fairies
Computer test: Popeye C-Version 3.52 (2048 KB)
Reprints: 95 The Problemist 16-8, p. 308, 03/1998
19 Die Schwalbe 184, p. 476, 08/2000
Input: Torsten Linss, 1999-4-17
Last update: Alfred Pfeiffer, 2019-11-19 more...
9 - P0573492
Peter Wong
Phénix 06/1991
P0573492
(3+9+2) C+
ser-h#2
Duplex
b) wKg3 nach e4
a) 1. h1=nD 2. Da8 exf8=nD#
w) 1. ... exf8=nS 2. Sxe6 h1=nS#
b) 1. h1=nT 2. Tg1 exf8=nT#
2) 1. ... exf8=nL 2. Lxh6 h1=nL#
play all play one stop play next play all
Allumwandlung!Babson
TLi: Version of P0573491, seen in Parallel Strategy (2019-11-18)
more ...
comment
Keywords: Series mover, Allumwandlung, Babson task
Genre: Fairies
Computer test: Popeye C-Version 3.52 (2048 KB)
Reprints: One Hundred Chess Compositions 1994
96 The Problemist 16-8, p. 308, 03/1998
(80) Parallel Strategy 2004
Input: Torsten Linss, 1999-4-17
Last update: Alfred Pfeiffer, 2019-11-19 more...
10 - P1000007
Satoshi Hashimoto
R040 Problem Paradise 17 01-03/2000
P1000007
(14+14) C+
BP in 15,0
1. g4 e6 2. g5 Lb4 3. g6 Lc3 4. dxc3 Se7 5. Lg5 0-0 6. Lf6 gxf6 7. g7 d5 8. gxf8=L d4 9. Lh6 d3 10. Lc1 Kg7 11. Kd2 Kg6 12. Ke3 d2 13. Ke4 dxc1=L 14. Dd4 Lh6 15. f4 Lf8
play all play one stop play next play all
Der sLf8 ist ein Pronkin-Läufer. Der wLc1 ist ein Frolkin-Ceriani-Pronkin-Läufer: er wird auf f6 geschlagen; der umgewandelte wBg2 kehrt als Läufer nach c1 zurück und wird dort geschlagen.
Henrik Juel: This fine proof game is an early (possibly the first) example of the Hashimoto theme:
A Pronkin officer (on its 'home square') is captured by a promoting pawn, which then goes to its 'home square', becoming a Pronkin officer of the opposite color
It is usually shown with Pronkin officers of the same kind, here two bishops
The capture means that the C-F theme element is also part of the Hashimoto theme (2019-10-29)
A.Buchanan: Thanks for this Henrik - very interesting. If you know some more Hashimoto-themed problems, here, then I can add a keyword. (2019-10-30)
Henrik Juel: I am pretty sure that there are several examples in the PDB, but the only one I know is P1068430, which may be the first and only non-proofgame showing the Hashimoto theme
I saw the theme name in a comment here a long time ago, but was reminded by Michel's comment to his P1068430 in Thomas Brand's most recent Retro der Woche (in his retroblog)
If you make changes, please also change the official comment above:
'The wLc1 is an F-C-P-bishop: it is captured on f6' makes little sense; what really happens is:
The original [wLc1] is captured on f6; it is replaced on c1 by a Pronkin bishop ([wPg2] promoted on f8), which is captured there by a promoting black pawn, which then goes to f8 as a black Pronkin bishop (2019-10-31)
Henrik Juel: I saw the Hashimoto theme name mentioned in P1068522, where my comment is rather pedantic
The promoted wT goes to h1, becoming a Pronkin-T, but then it goes to g1 to be captured by a black pawn, which goes to its 'home square'
I think this should be considered showing the H theme, so my definition above should have the parenthesis deleted, then reading
A Pronkin officer is captured by a promoting pawn, which then goes to its 'home square', becoming a Pronkin officer of the opposite color
Or very succinctly, as suggested by Paul (and similar to Michel's definition):
A Pronkin piece is captured by a virtual Pronkin piece
I prefer my own revised definition (surprise, surprise), as it clarifies the meaning of a 'virtual Pronkin piece'
Ideally new definitions should be agreed upon by experts like Paul and Michel (and of course the name-giving Sathoshi), but this is the PDB, where most definitions have been entered by non-experts... (2019-10-31)
Henrik Juel: P1097036 is an interesting extension of the Hashimoto theme:
[wSb1] is captured and replaced by a Pronkin-S, which is captured on b1 by a black pawn promoting to L and returning to c8 as a Pronkin-L ([Lc8] is captured afther this promotion)
The extension is that b1 is then occupied by a second Pronkin-S (2019-10-31)
more ...
comment
Keywords: Unique Proof Game, Ceriani-Frolkin Theme (L), Pronkin Theme (Ll)
Genre: Retro
Computer test: Natch 2.4
Reprints: idee & form 81 01/2004
32 64 Proof Games 2012
Input: Gerd Wilts, 2000-7-31
Last update: Gerd Wilts, 2012-12-23 more...
11 - P1000974
Gerald Irsigler
10920 Die Schwalbe 185 10/2000
P1000974
(13+14)
Ermittle eine Zugfolge, bei der 31 direkt aufeinanderfolgende Schachgebote vorkommen!
Der derzeitige Rekord liegt bei 37 Zügen.
play all play one stop play next play all
Alfred Pfeiffer: 37 Züge ist der Rekord für Stellungen ohne Umwandlungsfiguren
("http://www.xs4all.nl/~timkr/chess/check.html"), mit Umwandlungsfiguren wie im Diagramm ist der Bestwert 51 Züge ("http://www.xs4all.nl/~timkr/chess2/diary.htm", Eintrag 378).
Im Jahr 2000 waren noch die 45 Züge von Werner Frangen Rekord ("http://www.xs4all.nl/~timkr/chess2/diary.htm", Eintrag 308). (2010-8-28)
HBae: Ehrende Erwähnung, Schwalbe 08/2003, Schachmathematik u. Sonstiges 1998-2002, PR B. Schwarzkopf
1. Da6+ Lb6+ 2. Dxb6+ Lxb6+ 3. Txb6+ Sc6+ 4. Txc6+ Dd6+ 5. Sbd5+ Txd5+ 6. Scxd5+ Kg5+ 7. Te5+ D6xe5+ 8. Txe5+ Lxe5+ 9. D2xe5+ S6f5+ 10. Dxf5+ Sxf5+ 11. Sxf5+ Td2+ 12. Lcxd2+ Txd2+ 13. Lxd2+ Dhe3+ 14. S2xe3+ D2g4+ 15. Txg4+ Dh5xg4+ 16. Sxg4+

Aktueller Rekordhalter P1182667 (Lahtonen, 53) (2019-11-12)
HBae: In "Die Schwalbe 12/2003" wurde vom Preisrichter die Ehr. Erw. wieder aberkannt, weil der Rekord zu dieser Zeit schon höher lag. (2019-11-12)
HBae: weitere Verweise siehe bei P1067894 (2019-11-12)
Mario Richter: Mein Computer meint, daß in der vorliegenden Stellung auch 32 konsekutive Schachs möglich sind:
1. Da7-a6+ Lc7-b6+ 2. Tb7xb6+ Ld8xb6+ 3. Da6xb6+ Sa5-c6+ 4. Db6xc6+ Db8-d6+ 5. Dc6xd6+ Kf6-g5+ 6. Dd6-f6+ Lg7xf6+ 7. Te7-e5+ Lf6xe5+ 8. Te8xe5+ Sh6-f5+ 9. Te5xf5+ Sh4xf5+ 10. Se3xf5+ Tc2-d2+ 11. Lc1xd2+ Tb2xd2+ 12. Le1xd2+ Dh3-e3+ 13. Sg2xe3+ Dh5-g4+ 14. Tg1xg4+ De2xg4+ 15. Dh2-f4+ Dg4xf4+ 16. Sc3-e4+ Df4xe4+ (2019-11-12)
comment
Keywords: Construction task
Genre: Retro
Input: Gerd Wilts, 2000-10-29
Last update: Gerd Wilts, 2004-2-29 more...
12 - P1001097
Michel Caillaud
R121 Probleemblad 01/2001
P1001097
(12+13)
h#2
1. cxb6 d6 2. bxc5 Txb8#
1. La7 Lxa7 2. 0-0-0? Tb8#
play all play one stop play next play all
Castling is impossible because, if black can still castle, the diagram position is draw due to the 50-move rule!
White captures: axb, bxc, exf. Black captures: hxg, gxf, exd, dxc. Promotions: a1=T, b1=T, h8=X. The position can only be unblocked by unpromoting White piece on h8. This can only be wRb5. wK must go to c6 to unpin wR. The journey is via g3, h2, e1, b2, & a3.The 50 white moves are: 34 by wK (screens on c8 [with careful step on a2 to let bB pass] then g8), 11 by wB6 (to e3 to exchange place with bB then screen on a7), 3 by wR (promotion on h8), 2 by wBa4.
Henrik Juel: This problem was awarded a Special prize in the 2001 retros award, appearing belatedly in 12/2010 p.220-227 (2019-11-17)
more ...
comment
Keywords: Non-standard material, 50 move rule
Genre: Retro
Computer test: (Popeye WINDOWS-32Bit-Version 3.65 (2048 KB))
Input: Gerd Wilts, 2001-2-11
Last update: A.Buchanan, 2015-4-12 more...
13 - P1003975
Satoshi Hashimoto
R165 Probleemblad 03-04/2002
4. Lob
PR Piet le Grand
P1003975
(16+8) C+
BP in 12,5
1. c4 Sf6 2. Da4 Tg8 3. Dxa7 Sa6 4. Dxb7 Ta7 5. Dxc7 Lb7 6. Dg3 Da8 7. Dxg7 Kd8 8. Dxf7 Kc7 9. Dxe7 Kb6 10. Dxd7 Lc5 11. Dxh7 Sd7 12. Dc2 Sdb8 13. Dd1
play all play one stop play next play all
Henrik Juel: 4th Commendation awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game
Genre: Retro
Computer test: Euclide 0.93
Input: Gerd Wilts, 2002-4-4
Last update: Alfred Pfeiffer, 2019-11-19 more...
14 - P1003977
Gianni Donati
R167 Probleemblad 03-04/2002
4. ehrende Erwähnung
PR Piet le Grand
P1003977
(11+12)
BP in 25,5
1. Sf3 Sc6 2. Se5 Sd4 3. Sxd7 Kxd7 4. a4 Ke6 5. a5 Kf5 6. a6 Kg4 7. axb7 Lf5 8. Txa7 e6 9. Ta1 Txa1 10. Sc3 Txc1 11. h4 Ta1 12. h5 Ta4 13. h6 Tc4 14. hxg7 Lb4 15. Th6 De7 16. Tg6 hxg6 17. Da1 Th1 18. Kd1 Sh6 19. Kc1 Txf1+ 20. Sd1 Th1 21. Da8 Th3 22. Dh8 Tb3 23. Sc3 Ld3 24. Sb1 Shf5 25. Dh1 c5 26. Dd1
play all play one stop play next play all
Rundlauf wDd1-a1-a8-h8-h1-d1, Switchback Ta1xa7-a1, Rückkehr Sb1-c3-d1-c3-b1.
Henrik Juel: 4th Honorary Mention awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
comment
Keywords: Unique Proof Game
Genre: Retro
Input: Gerd Wilts, 2002-4-4
Last update: TLi, 2019-11-19 more...
15 - P1003992
Satoshi Hashimoto
R161 Probleemblad 01/2002
2. Preis
PR Piet le Grand
P1003992
(14+15) C+
BP in 19,0
1. d4 f5 2. d5 Kf7 3. Dd4 Kg6 4. Df6+ exf6 5. c3 Lb4 6. d6 Se7 7. dxe7 Dg8 8. e8=T Dc4 9. Te7 Te8 10. Tf7 Te6 11. e4 Tc6 12. e5 d6 13. e6 Sd7 14. e7 Sb6 15. e8=D Ld7 16. De2 Te8 17. Tf8 Te3 18. Te8 Tg3 19. Dd1 Lxe8
play all play one stop play next play all
Rückkehr des umgewandelten wTe8 nach Rundlauf: Te8-e7-f7-f8-e8, anschliessend Schlag durch sLe8.
Henrik Juel: 2nd Prize awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game, Pronkin Theme, Pure Round Trip (T)
Genre: Retro
Computer test: Euclide 0.93
Reprints: idee & form 81 01/2004
43 64 Proof Games 2012
Input: Gerd Wilts, 2002-4-5
Last update: TLi, 2019-11-19 more...
16 - P1004022
Thierry Le Gleuher
R154 Probleemblad 06/2001
P1004022
(14+10)
BP in 34,5
1. a4 h5 2. a5 h4 3. Ta4 h3 4. Tb4 hxg2 5. h4 f5 6. h5 f4 7. h6 f3 8. h7 fxe2 9. f4 g5 10. f5 Lh6 11. f6 Kf8 12. f7 Kg7 13. f8=T g4 14. Tf2 g3 15. Sf3 g1=D 16. Tfh2 De3 17. Lh3 Db3 18. cxb3 g2 19. Dc2 g1=L 20. Dc6 Lb6 21. d4 e5 22. Le3 e4 23. Kd2 e1=S 24. Kc3 Sd3 25. Tc1 Sc5 26. Lg1 e3 27. dxc5 e2 28. cxb6 e1=T 29. bxa7 Te8 30. axb8=L Ta6 31. Le6 Tb6 32. a6 Se7 33. a7 Teg8 34. a8=S Df8 35. hxg8=D+
play all play one stop play next play all
Fantastischer Task: Ceriani-Frolkin-Allumwandlung bei Schwarz, dazu Allumwandlung bei Weiß!
Henrik Juel: Natch 3.1 produced nothing in half an hour (2018-12-15)
Henrik Juel: This problem was awarded 1st prize in the 2001 retros award, appearing belatedly in /2010 p.22120-227 (2019-11-17)
Henrik Juel: a 12 has moved, the text should end
in 12/2010 p.220-227 (2019-11-17)
comment
Keywords: Allumwandlung, Ceriani-Frolkin Theme (dtls), Unique Proof Game, konsekutive Umwandlungen 8 (TdlsTLSD), Non-standard material
Genre: Retro
Reprints: H11-2 WCCI 2001-2004
idee & form 84 10/2004
(H) Quartz 26 10-12/2004
D Gligor Denkovski MT , p. 9, 01/2018
Input: Gerd Wilts, 2002-4-5
Last update: Alfred Pfeiffer, 2018-12-20 more...
17 - P1004153
Paul Raican
R175 Probleemblad 4-2002 08/2002
5. ehrende Erwähnung
PR Piet le Grand
P1004153
(12+16)
Letzter Zug des sBb2?
Circe
R: 1. ... Sf2xDd1 Db1-d1 2. e6xSf5 Sd4-f5 3. d7xTe6 Sf5xBd4[+sBd7] 4. d5-d4+ Ta6-e6 5. d6-d5 Sd4-f5 6. d7-d6 Sf5xBd4[+sBd7] 7. d5-d4+ Dc1-b1 8. d6-d5 Sd4-f5 9. d7-d6 Se2xBd4[+sBd7] 10. c5xLd4+ Sg1-e2 11. b6xSc5[+wSg1] Dd1-c1 12. a7xDb6[+wDd1] Ta5xBa6[+sBa7] 13. b7xBa6[+wBa2] Ta1-a3 14. a3xTb2[+wTa1] ...
play all play one stop play next play all
Sol.: (-1)Sf2xDd1 Db1-d1 (-2)e6xSf5 Sd4-f5 (-3)d7xTe6 Sf5xBd4(Bd7) (-4)d5-d4+ Ta6-e6 (-5)d6-d5 Sd4-f5 (-6)d7-d6 Sf5xBd4(Bd7) (-7)d5-d4+ Dc1-b1 (-8)d6-d5 Sd4-f5 (-9)d7-d6 Se2xBd4(Bd7) (-10)c5xLd4+ Sg1-e2 (-11)b6xSc5(Sg1) Dd1-c1 (-12)a7xDb6(Dd1) TxBa6(Ba7) (-13)b7xBa6(Ba2) Ta1-c3 (-14)a3xTb2(Ta1)... (2006-6-3)
Henrik Juel: 5th Honorary Mention awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
comment
Keywords: Circe, Last move of a specific piece?
Genre: Retro, Fairies
Input: Gerd Wilts, 2002-8-10
Last update: Alfred Pfeiffer, 2019-11-19 more...
18 - P1004165
Guus Rol
R169 Probleemblad 06/2002
5. Lob
PR Piet le Grand
P1004165
(15+15) C+
BP in 7,0
1. d4 Sc6 2. Kd2 Se5 3. dxe5 Sf6 4. e6 dxe6+ 5. Ke3 Sd7 6. Dd5 Sb8 7. Dh5 Sc6
play all play one stop play next play all
Henrik Juel: 5th Commendation awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
comment
Keywords: Unique Proof Game, Impostor (s)
Genre: Retro
Computer test: Natch 2.1 Copyright (C) 1997,98,99,2001,2002 Pascal Wassong
Input: Gerd Wilts, 2002-8-20
Last update: TLi, 2019-11-19 more...
19 - P1004168
Unto Heinonen
R172 Probleemblad 06/2002
1. Preis
PR Piet le Grand
P1004168
(16+8)
BP in 23,5
1. a4 b5 2. axb5 e5 3. Ta6 La3 4. d4 c5 5. dxc5 Dh4 6. Dd6 g5 7. Dc7 d5 8. Td6 a5 9. c4 Ta6 10. cxd5 Dc4 11. f4 Lg4 12. Td7 Tf6 13. fxe5 Tf2 14. h4 f5 15. hxg5 Sf6 16. Th6 Tf8 17. Tg6 h5 18. e4 h4 19. Le3 Lh5 20. g4 Td2 21. gxh5 Sg4 22. b4 Tf6 23. bxa5 Lb4 24. exf5
play all play one stop play next play all
Henrik Juel: Natch 3.1 found almost nothing in half an hour (2018-12-16)
Henrik Juel: 1st Prize awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
comment
Keywords: Unique Proof Game
Genre: Retro
Input: Gerd Wilts, 2002-8-20
Last update: TLi, 2019-11-19 more...
20 - P1004199
Andrew Buchanan
R178 Probleemblad 5 10/2002
3. Lob
PR Piet le Grand
P1004199
(10+16) C+
Proof game in 12.0
b) exactly 12.5
c) exactly 13.0
d) exactly 13.5
[Initial sequence of moves is the same for all solutions.]
a) 1. a4 Sc6 2. a5 Sxa5 3. Sc3 Sc4 4. Ta5 c6 5. Td5 cxd5 6. Se4 dxe4 7. Sf3 exf3 8. h4 fxg2 9. Th3 g1=T 10. Tf3 Th1 11. Tf6 gxf6 12. f4 Lh6
b) 1. a4 Sc6 2. a5 Sxa5 3. Sc3 Sc4 4. Ta5 c6 5. Td5 cxd5 6. Se4 dxe4 7. Sf3 exf3 8. h4 fxg2 9. Th3 g1=T 10. Tf3 Th1 11. Tf6 gxf6 12. f3 Lh6 13. f4
c) 1. a4 Sc6 2. a5 Sxa5 3. Sc3 Sc4 4. Ta5 c6 5. Td5 cxd5 6. Se4 dxe4 7. Sf3 exf3 8. h4 fxg2 9. Th3 g1=T 10. Tf3 Th1 11. Tf6 gxf6 12. f3 Lg7 13. f4 Lh6
d) 1. a4 Sc6 2. a5 Sxa5 3. Sc3 Sc4 4. Ta5 c6 5. Td5 cxd5 6. Se4 dxe4 7. Sf3 exf3 8. h4 fxg2 9. Th3 g1=T 10. Tf3 Th1 11. Tf6 gxf6 12. f4 Lg7 13. Kf2 Lh6 14. Ke1
play all play one stop play next play all
Labelle's P1268925 is more economical, but was found by exhaustive computer search = "strip-mining".
Henrik Juel: 3rd Commendation awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
comment
Keywords: Unique Proof Game, Non-standard material (t), tempo play (0.5, 1.0, 1.5), under-promotion (t)
Genre: Retro
Computer test: (Natch 1.3 Copyright (C) 1997-1999 Pascal Wassong)
Input: Gerd Wilts, 2002-10-5
Last update: Alfred Pfeiffer, 2019-11-19 more...
21 - P1004200
Rustam Ubaidullajew
R179 Probleemblad 5 10/2002
3. Preis
PR Piet le Grand
P1004200
(12+12) C+
BP in 18,5
1. a4 Sc6 2. a5 Se5 3. a6 Sg6 4. axb7 a5 5. bxa8=L Lb7 6. h4 Lxg2 7. Th3 Lxf1 8. Lh1 Da8 9. h5 Dg2 10. h6 Dh2 11. hxg7 h5 12. gxh8=L Lg7 13. La8 Lxb2 14. Tf3 Lxc1 15. Lb2 Kf8 16. Sc3 Kg7 17. Sa2+ Kh6 18. Lh8 Sf6 19. Sh3
play all play one stop play next play all
Henrik Juel: 3rd Prize awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
more ...
comment
Keywords: Clearance, Unique Proof Game
Genre: Retro
Computer test: Natch 3.1 (9 min.)
Input: Gerd Wilts, 2002-10-5
Last update: Alfred Pfeiffer, 2019-11-19 more...
22 - P1004352
Andrew Buchanan
Guus Rol

R186 Probleemblad 06/2002
1. Lob
PR Piet le Grand
P1004352
(15+12) C+
The game is drawn.
Proof game in 17.0
Authors' solution: 1. c2-c4 b7-b5 2. Dd1-c2 Lc8-b7 3. Ke1-d1 Lb7-d5 4. c4xd5 g7-g5 5. Dc2xc7 Sb8-c6 6. Kd1-c2 Dd8xc7 7. Kc2-b3 Dc7-g3+ 8. h2xg3 e7-e5 9. Th1xh7 Sc6-e7 10. Th7-g7 Th8-h1 11. Kb3-a3 Sg8-h6 12. Tg7-g8 g5-g4 13. f2-f4 Se7-g6+ 14. Ka3-b3 Sg6-e7 15. Kb3-a3 Se7-g6+ 16. Ka3-b3 Sg6-e7 17. Kb3-a3 Se7-g6+
play all play one stop play next play all
The intention was that the position at 13.0 repeats at 15.0 & 17.0. Popeye finds 87 possible sequences of moves up to 13.0. Under the assumption [1] that an e.p. which can't be played due to check or pin still affects the definition of position, we could eliminate those 52 which end with e7-e5+, leaving us with 35.
The moves which follow can only be 14. Ka3-b3 Sg6-e7! (not 14. ... Kd8-e7? which disrupts Black castling rights) 15. Kb3-a3 Se7-g6+. And repeat the switchbacks. But all 35 candidate solutions have 13. ... Se7-g6+. Thus normally the game would have ended at at 17. Kb3-a3 (or possibly earlier). However, there is one exceptional solution with 13. f2-f4, which (again using the ep rule) would have prevented the game from ending prematurely. This part of the logic is not in question.
[1] But is this assumption justified? At the time of composition, the definition for position in the FIDE Laws was unclear on this point, and the composers had to take a view. Since then, the definition has been improved, and the problem has been retrospectively cooked.
The Codex does not opine on what happens to the soundness of a problem if the rules (or indeed the conventions) change, and materially impact a problem. The composers choose to take it that the problem remains historically sound. But if a historically unsound problem were *rendered* sound by changes to rules or conventions, we would want to consider it sound today. No reason why composers shouldn't have their cake and eat it here: clearly the relevant concept would be one of "peak soundness" - to take the problem to be as sound as its maximal soundness as rules and conventions swing wildly like open doors in a hurricane.
2018 Laws 9.2.2 Positions are considered the same if and only if the same player has the move, pieces of the same kind and colour occupy the same squares and the possible moves of all the pieces of both players are the same. Thus positions are not the same if:
9.2.2.1 at the start of the sequence a pawn could have been captured en passant
9.2.2.2 a king had castling rights with a rook that has not been moved, but forfeited these after moving. The castling rights are lost only after the king or rook is moved.
2016 Codex Article 18: "A position is considered as a draw if it can be proven that an identical position has occurred three times in the proof game combined with the solution. The draw ends the game immediately."
Henrik Juel: 1st Commendation awarded by Piet le Grand in 12/2010, p.227-232 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game, Draw by repetition
Genre: Retro
Computer test: Euclide, then manual elimination of all solutions which don't fit constraints.
Input: Gerd Wilts, 2002-12-26
Last update: TLi, 2019-11-19 more...
23 - P1014351
Aleksandr Azhusin
12991 Ideal-Mate Review 04-06/2002
P1014351
(7+2) C+
s#7
Probe 1. Lb2? axb2+ 2. Txb2
1. Sd4! Ka1 2. Tb1+ Ka2 3. Ta1+ Kxa1 4. Tb1+ Ka2 5. Ta1+ Kxa1 6. Sc2+ Ka2 7. Lb2 axb2#
play all play one stop play next play all
more ...
comment
Keywords: Ideal mate, Opferbahnung, Stalemate dissolution
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2004-5-1
Last update: Alfred Pfeiffer, 2019-10-26 more...
24 - P1014360
Valery Surkov
13000 Ideal-Mate Review 04-06/2002
P1014360
(5+2) C+
s#7*
* 1. ... Kb3 2. g8=D+ Ka4 3. De8+ Kb3 4. Db5+ Ka2 5. Db2+ axb2#
1. Le1! Kb3 2. g8=D+ Ka4 3. De8+ Kb3 4. Db5+ Ka2 5. Lb4 Kb3 6. Ld2+ Ka2 7. Db2+ axb2#
play all play one stop play next play all
more ...
comment
Keywords: Ideal mate, Loss of tempo, Promotion
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2004-5-1
Last update: Alfred Pfeiffer, 2019-10-26 more...
25 - P1014566
Ernst Hasselkus
7359 Die Schwalbe 03-04/1948
Carl Schrader gewidmet
P1014566
(3+2)
s#15
Zunächst veröffentlichte Hasselkus diese Stellung als s#20. Jedoch wurde die Aufgabe von M. Kreutmeier in 16 Zügen gekocht. In Die Schwalbe, XI-XII 1950, Seite 111, veröffentlichte Hasselkus die Aufgabe erneut und verwies auf die folgende Lösung in 15 Zügen:
1. g8=D+ Ke7,Kd7 2. Kb8+ Kd6! (2. - Kc6? 3. Dc7+ Kb5 4. Dd5+ Ka4! 5. Dc2+ Kb4! 6. Dcc4+ Ka3 7. Da2+ Kb4 8. Dd4+ Kb5 9. Dac4+ Ka5 10. Dcc5+ Ka6 11. Da4+ Da5 12. Dac6+ Db6+ 13. Db7+ Dxb7# bzw. 2. - Kf6? 3. Dag7+ Kf5 4. Dg4+ Ke5 5. D8g7+ Kd6! 6. Dgd7+ Kc5 7. Ddd4+ Kb5! 8. Dgd7+ Ka5 9. D7a7+ Kb5 10. Dac5+ Ka6 11. Da4+ Da5 12. Dac6+ Db6+ 13. Db7+ Dxb7#) 3. Dd4+ Ke7 4. Ddg7+ Kd6 5. Dd8+ Ke6 6. Dg6+ Ke5 7. Ddf6+ Kd5 8. Dd3+ Kc5 9. Dfd4+ Kc6 10. D4c4+ Kb6 11. Ddd4+ Ka5 12. Dcc5+ Ka6 13. Da4+ Da5 14. Dac6+ Db6+ 15. Db7+ Dxb7#
Schon in dieser frühen Aufgabe finden wir drei schwarze Damenzüge. Insbesondere in der Zeit nach dem 2. Weltkrieg veröffentlichte Hasselkus weitere langzügige Miniaturen mit schwarzer Dame, in denen jedoch zwischenzeitlich Duale oder Nebenlösungen gefunden wurden.
play all play one stop play next play all
0007
SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-7)
comment
Keywords: Langzügige Miniatur
Genre: s#
Reprints: Die Schwalbe , p. 111, 11-12/1950
72 Selbstmatt-Miniaturen Reflexmatt-Miniaturen 2003
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Frank Müller, 2011-4-25 more...
26 - P1015769
Ernst Hasselkus
15664 Deutsches Wochenschach 26/12/1920
P1015769
(3+3) C+
s#4
1. g8=D+ Kc7 2. Dg7+ Kd8 3. Dd4+ Kc7 4. Ddb6+ Sxb6#
play all play one stop play next play all
0529
more ...
comment
Keywords: Promotion in the key, Checking key
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-11-12 more...
27 - P1015771
Ernst Hasselkus
16725 Deutsches Wochenschach 30/11/1924
P1015771
(3+3) C+
s#5
1. e8=D+ Kc7 2. Df4+ Kb6 3. Dd4+ Ka6 4. Dc6+ Sxc6 5. Db6+ Kxb6#
3. ... Kc7 4. Ddd7+ Kb6 5. Dc6+ Sxc6#
play all play one stop play next play all
Verschiedene Figuren ziehen ab.
2186
more ...
comment
Keywords: Promotion in the key, Checking key
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-11-17 more...
28 - P1015774
Ernst Hasselkus
15406 Deutsches Wochenschach 11/01/1920
Bernhard Hülsen gewidmet
P1015774
(3+3) C+
s#6
1. De6+ Kd8 2. g8=T+ Kc7 3. Tg7+ Kd8 4. Td7+ Kc8 5. Td4+ Kc7 6. Dc4+ Sxc4#
play all play one stop play next play all
0531
more ...
comment
Keywords: under-promotion (T), Checking key
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-11-17 more...
29 - P1015775
Ernst Hasselkus
16494 Deutsches Wochenschach 15/04/1924
P1015775
(3+3) C+
s#6
1. c8=L+ Ka7 2. Dc7+ Ka8 3. Lb7+ Ka7 4. Ld5+ Ka6 5. Db7+ Ka5 6. Db5+ Sxb5#
play all play one stop play next play all
2182
more ...
comment
Keywords: under-promotion in key-move (L), Checking key
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-11-17 more...
30 - P1015777
Ernst Hasselkus
15665 Deutsches Wochenschach 26/12/1920
P1015777
(3+3) C+
s#7
1. g8=T+ Kc7 2. Tg7+ Kd8 3. Td7+ Kc8 4. Td5+ Kc7 5. Dd6+ Kc8 6. Df8+ Kc7 7. Dc5+ Sxc5#
play all play one stop play next play all
0530
more ...
comment
Keywords: under-promotion in key-move (T), Checking key
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-11-12 more...
31 - P1015778
Ernst Hasselkus
16493 Deutsches Wochenschach 15/04/1924
P1015778
(3+3) C+
s#7
1. Tf7+ Kg8 2. Tb7+ Kf8 3. De7+ Kg8 4. Dh7+ Kf8 5. Dg7+ Ke8 6. Df7+ Kd8 7. Tb8+ Lc8#
2. ... Kh8 3. Dh6+
play all play one stop play next play all
2181
more ...
comment
Keywords: Checking key
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-11-12 more...
32 - P1015833
Stepan P. Cirulik
3057 Problemist Pribushja 20/10/1992
P1015833
(5+2) C+
s#7
1. Lc3+! Ka2 2. Dd5+ Ka3 3. Kb1 d6 4. Dc5+ dxc5 5. Lb4+ cxb4 6. Ka1 b3 7. Lb1 b2#
play all play one stop play next play all
1440
more ...
comment

Genre: s#
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-10-26 more...
33 - P1016372
Mikhailo Mishko
1654v Koni Gipanisa 01/10/1991
P1016372
(5+2) C+
s#7
1. Tc2? Kh1 2. Sh5 Kg1 3. Sg3 Dxe1#
aber 2. ... Dg1!
1. Tg2+! Kh1 2. Tc2 Kg1,Dg1 3. Sh5 Kh1,Df1 4. Db7+ Kg1 5. Dg7+ Kh1 6. Sg3+ Kg1 7. Db2 Dxe1#
play all play one stop play next play all
Urdruck der Verbesserung; die Quelle erscheint nicht mehr.
2466
more ...
comment
Keywords: Aristocrat
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Reprints: 1909 Selbstmatt-Miniaturen Reflexmatt-Miniaturen 2003
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-10-25 more...
34 - P1016605
Andrey Selivanov
11751 Die Schwalbe 199 02/2003
P1016605
(3+3) C+
s#7
1. h8=D+! Ka2 2. a8=D Kb3 3. Dd5+ Kb4! 4. Db8+ Ka4! 5. De8+ Kb4 6. Deb5+ Kc3 7. Db2+ axb2#
play all play one stop play next play all
more ...
comment
Keywords: Kindergarten Problem, Promotion in the key, konsekutive Umwandlungen 2 (DD)
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Selbstmatt-Miniaturen/Reflexmatt-Miniaturen, 2004-5-1
Last update: Alfred Pfeiffer, 2019-10-25 more...
35 - P1020891
Gerard Doukhan
Pedagogusok Lapja 1981
3° Prize
P1020891
(9+7)
#2

BS Problemid: 5738
Authors: Doukhan, Gerard
Sources:
Years: 1981
Doukhan Gérard: Pedagogusok Lapja 1981
3° Prize

Try: 1. Re5 [A] ? [2. d6 [B] #]
But 1. ... gxf4 [b] !

Try: 1. d6 [B] ? [2. Re5 [A] #]
But 1. ... Kd5 [a] !

Try: 1. Re-e4? waiting
1. ... Kxd5 [a] 2. Re5 [A] #
1. ... gxf4 [b] 2. d6 [B] #
But 1. ... c3!

Solution: 1. Rb8! waiting
1. ... Kxd5 [a] 2. Rxb5 [D] #
1. ... gxf4 [b] 2. Bb6 [B] #

Hannelius, Changed mates (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-6)
comment
Keywords: Brian Stephenson Collection (5738)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
Last update: Doukhan Gérard, 2019-11-19 more...
36 - P1023084
Gerard Doukhan
diagrammes 1991
2. Preis
P1023084
(12+9) C+
#3
1. Le4xd3! droht 2. h5-h6 ... 3. Sg3-h5#
1. ... Le5-a1,L~ 2. Tb5-f5+ Tf8xf5 3. Ta5xf5#
1. ... Te8-d8 2. e2xf3 ... 3. Sg3-e2#
1. ... Tf8-h8 2. e2xf3 ... 3. Sg3-e2#
2. ... Le5-a1,L~ 3. Tb5-f5#
play all play one stop play next play all
Doukhan Gérard: Double Reversal (2019-11-6)
comment
Keywords: Brian Stephenson Collection (7943)
Genre: 3#
Computer test: Popeye 4.67
Reprints: 5 German Solving Championship 1994
Input: Brian Stephenson, 2004-8-12
Last update: Marcin Banaszek, 2019-5-15 more...
37 - P1029817
Gerard Doukhan
2325 Europe Echecs 12/1975
Commendation
P1029817
(6+7)
#2

BS Problemid: 14713
Authors: Doukhan, Gerard
Sources:
Years: 1975
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
Doukhan Gérard: Try: 1. Re2? waiting But 1. ... d1=promotion ! Try: 1. Re3? waiting But 1. ... c3! Try: 1. Re4? waiting But 1. ... c5 ! Try: 1. Re5? waiting 1. ... c5 [a] 2. Qd5 [A] # But 1. ... g4 ! Try: 1. Re7? waiting But 1. ... Sf8 ! Solution: 1. Re8! waiting 1. ... Sf8 2. Qxf8# 1. ... Sf6 2. Qxf6# 1. ... c5 [a] 2. Ra6 [B] # 1. ... g4 2. Qf4# 1. ... c3 2. Qd3# 1. ... d1=promotion 2. Qxd1 # (2019-11-19)
more ...
comment
Keywords: Brian Stephenson Collection (14713)
Genre: 2#
Reprints: (10535) Schach-Echo , p. 397, 10/1985
Input: Brian Stephenson, 2004-8-12
Last update: Doukhan Gérard, 2019-11-19 more...
38 - P1029917
Gerard Doukhan
Problemas , p. 50, 07-09/1978
3. Preis
Doppel-JT 40 Jahre S.E.P.A.
und 75 Jahre A.F. Argüelles
P1029917
(13+10)
#2

BS Problemid: 14815
Authors: Doukhan, Gerard
Sources:
Years: 1976-1978
Doukhan Gérard: Try: 1. Bb8? [2. Se3 [A] #]
1. ... Sxc4 2. dxe4 [B] #
But 1. ... d6 [a] !

Try: 1. Qf1? [2. dxe4 [B] #]
1. ... Sf6 2. Bb7 [C] #
But 1. ... Sxc4 [b] !

Try: 1. Bf6? [2. Bb7 [C] #]
1. ... d6 [a] 2. Se3 [A] #
1. ... Sxc4 [b] 2. dxe4 [B] #
1. ... Rxf6 2. gxf6#
But 1. ... Se7!

Solution: 1. Bc7! [2. Se3 [A] #]
1. ... d6 [a] 2. Bb7 [C] #
1. ... Sxc4 [b] 2. dxe4 [B] #
1. ... Rd6 2. g6#

Dombrovsky, reciprocal Dombrovsky, changed mates (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (14815)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
39 - P1029933
Gerard Doukhan
Jean Roche

Mat Plus 1976
2. Preis
P1029933
(11+9)
#2

BS Problemid: 14831
Authors: Doukhan, Gerard
Roche, Jean
Sources: Mat Plus 1994
Years: 1976
Doukhan Gérard: Thèmes 64 1976
2° Prize

Try: 1. Qxe7? waiting
1. ... Bg7/h6 [a] 2. Qxd6 [A] #
1. ... Ra7 ad lib [b] 2. Sxb6 [B] #
1. ... S6 ad lib [c] 2. Qxf7 [C] #
1. ... S4 ad lib [d] 2. Qxe5 [D] #
1. ... exd4 [e] 2. Rxd4 [E] #
1. ... Bxe7 2. Sxe7 [F] #
But 1. ... b5!

Solution: 1. Qxb6! waiting
1. ... Bg7/h6 [a] 2. Sxe7 [F] #
1. ... Ra7 ad lib [b] 2. Qc6 [G] #
1. ... S6 ad lib [c] 2. c4 [H] #
1. ... Sc4 [c] 2. bxc4 [I] #
1. ... S4 ad lib [d] 2. Q(x)c5 [J] #
1. ... exd4 [e] 2. Qxd4 [K] #

1. ... Rxb6 2. Sxb6 [B] #
1. ... exf6 2. Sxf6#
1. ... e6 2. Bc6#

Changed and transferred mates (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (except for a minor dual in the try 1.Dxe7? Sc4 2.Dxf7,bxc4#) (2019-11-7)
comment
Keywords: Brian Stephenson Collection (14831)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
40 - P1033512
Gerard Doukhan
Claude Wiedenhoff


1. Preis
P1033512
(10+10)
#2

BS Problemid: 18423
Authors: Doukhan, Gerard
Wiedenhoff, Claude
Sources:
Years: 1988
Doukhan Gérard: Rochade 1988
1° Prize


Try: 1. S5~? [2. Bd6 [A] , Re6 [B] , Rxb5 [C] #]
But 1. ... Bc6 [a] !

Try: 1. Se3? [2. Bd6 [A] #] not [B] not [C]
1. ... Bc6 [a] 2. Sxc4#
1. ... dxe3 2. Qxe3#
But 1. ... Sxh3!

Try: 1. Se7? [2. Re6 [B] #] not [A] not [C]
1. ... Bc6 [a] 2. Sxc6#
1. ... Sxh3 2. Re1#
But 1. ... Bd7!

Try: 1. Sd6? [2. Rxb5 [C] #] not [A] not [B]
1. ... Bc6 [a] 2. Sxc4#
1. ... Sxh3 2. Re1#
But 1. ... Ba6!

Solution: 1. Sxd4! [2. Qe3#] not [A] not [B] not [C]
1. ... Bxd4 2. Bd6 [A] #
1. ... Bc6 [a] 2. Sxc6#
1. ... Kxd4 2. Qf4#

Threat corrections (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (18423)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
41 - P1044206
Gerard Doukhan
C6424 The Problemist 11/1980
P1044206
(10+11)
#3

BS Problemid: 29205
Authors: Doukhan, Gerard
Sources:
Years: 1980
Doukhan Gérard: The Problemist 1980
5° Mention


Try: 1. Bf6? [2. Rxe5#]
But 1. ... fxe3!

Try: 1. Bd6? [2. Rxe5#]
But 1. ... dxe3!

Try: 1. Bb4? [2. Rxe5+
2. ... Kxe5 3. Rbe7#]
But 1. ... Rxe3!

Solution: 1. Ba3! [2. Rxe5+
2. ... Kxe5 3. Rbe7#]

1. ... dxe3 2. Rd7 ad lib 3. Bb7#
1. ... fxe3 2. Rf7 [3. Bb7#]
2. ... Kd5 3. Bb7#
1. ... Rxe3 2. Rb3 [3. Bb7#]
2. ... Kd5 3. Bb7#
1. ... Sxe3 2. Rbe7 [3. Rxe5#]
2. ... Kd5 3. Bb7#

Bishop tries are refuted by black blocks (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (29205)
Genre: 3#
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
42 - P1051281
Gerard Doukhan
diagrammes 1980
1. Preis
P1051281
(10+13)
#3

BS Problemid: 36320
Authors: Doukhan, Gerard
Sources:
Years: 1980
Doukhan Gérard: Solution: 1. Sb8! [2. Qxc5+
2. ... Bxc5 3. Sc6#]

1. ... cxd3 2. Qb5! ad lib 3. Sc6#
1. ... exd3 2. Qg6! ad lib 3. Sc6#
1. ... Rcxd3 2. Qa6! ad lib 3. Sc6#
1. ... Rexd3 2. Qh6! [3. Sc6#]
2. ... e3 3. Qf4#
1. ... Sxd3 2. Qf6! [3. Sc6#]
2. ... Sb4 3. e6#

Five blocks on d3 and Queen continuations (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (36320)
Genre: 3#
Input: Brian Stephenson, 2004-8-12
43 - P1054428
Leonid I. Zagoruyko
? 1989
Sacharow-Memorial
1. Preis
P1054428
(9+8)
#4
1. Td7! droht 2. Le5+ Ke6 3. Tc7+ Kd5 4. Tc5#
1. ... Sc6 2. Lc5+ Ke6 3.Te7+ Kd5 4. Le6#
1. ... Txf7 2. Le7+ Ke5 3. Tdxd8 ~ 4. Sd3#
1. ... Sxf7 2. Lc7+ Ke6 3. Td6+ Ke7,Ke5 4. Te6,Sd3#

1. ... Sxb7 2. Lxb7+ Ke6 3. Te7+ Kf5 4. Le4#
play all play one stop play next play all
BS Problemid: 39475
Authors: Zagoruyko, Leonid I
Sources:
Years: 1989
Nightrider: Compare with P1350304. (2019-11-15)
Henrik Juel: Damaged by duals and mate duals in other variations, e.g.
1.Td7 thr. 2.Le5+ Kc6 3.Td6+,b8=D,b8=S+
1... Sxf7 2.Lc7+ Sd6 3.Txd6+ Ke5 4.Td1,Td2,Td3,Td8,Sd3# (2019-11-15)
comment
Keywords: Brian Stephenson Collection (39475)
Genre: n#
Input: Brian Stephenson, 2004-8-12
Last update: Nightrider, 2019-11-15 more...
44 - P1055436
Gerard Doukhan
Claude Wiedenhoff

1262 Buletin Problemistic 40 07-12/1983
1. Preis
1982-1983
P1055436
(11+3)
#2

BS Problemid: 40487
Authors: Doukhan, Gerard
Wiedenhoff, Claude
Sources: FIDE Album (1983-1985) 1992
Years: 1982-1983
Doukhan Gérard: Try: 1. Qe8 [A] ? waiting
1. ... Sb4~ [a] 2. c7 [B] #
1. ... Sxc6 2. Qxc6#
But 1. ... Kxc5!

Try: 1. c7 [B] ? waiting
1. ... Sb4~ [a] 2. Qe8 [A] #
1. ... Kxc5 [b] 2. g6#
But 1. ... Sc6!

Try: 1. Rxd4 [C] ? waiting
1. ... Sb4~ [a] 2. Qe2 [D] #
1. ... Kxc5 [a] 2. Rd5#
But 1. ... Sd3!

Try: 1. Qf7? waiting
1. ... Sb4~ [a] 2. Qb7#
1. ... Kxc5 [a] 2. Qf5#
But 1. ... Sd5 [b] !

Solution: 1. Qe2 [D] ! waiting
1. ... Sb4~ [a] 2. Rxd4 [C] #
1. ... Kxc5 [a] 2. Qe5#

1. ... Sxd3 [b] 2. Qxd3#

Double Reversal, Zagoruijko 2x4 (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (40487)
Genre: 2#
Reprints: 23 FIDE Album 1983-1985 1992
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
45 - P1059751
Gerard Doukhan
Claude Wiedenhoff

Afeladvany 1983
3. Preis
P1059751
(9+9)
#2

BS Problemid: 44820
Authors: Doukhan, Gerard
Wiedenhoff, Claude
Sources: FIDE Album (1983-1985) 1992
Years: 1983
Doukhan Gérard: Try: 1. Se~? [2. Rf3 [A] #]
1. ... Se5 [a] 2. Sf5 [B] #
1. ... Be1 [b] 2. Rxd3 [C] #
But 1. ... Rxb2!

Try: 1. Sc3? [2. Sf5 [B] #] not [A]
1. ... Sxd6 2. Rf3 [A] #
1. ... Bxc3 2. Rxd3 [C] #
But 1. ... Qc8!

Try: 1. Be~? [2. Sf5 [B] #]
1. ... dxe2 2. Rf3 [A] #
1. ... Qc8 2. Sxc4#
But 1. ... Sxd6!

Solution: 1. Bxd3! [2. Rf3 [A] #] not [B]
1. ... Be1 [b] 2. Sf5 [B] #
1. ... Se5 [a] 2. Qe4#

1. ... Kxd3 2. Qxb3#

White corrections and changed mates (2019-11-6)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (44820)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
46 - P1060274
Gerard Doukhan
? 1976
1. Preis
P1060274
(9+11)
#2

BS Problemid: 45351
Authors: Doukhan, Gerard
Sources:
Years: 1976
Doukhan Gérard: Jubile D. Hjelle 1976
1° Prize

Try: 1. Sc6? [2. Qd4#]
But 1. ... dxc6!

Try: 1. Se6? [2. Qd4#]
But 1. ... dxe6!

Try: 1. Sf3? [2. Qd4#]
But 1. ... d6!

Try: 1. Sc2? [2. Qd4#]
But 1. ... d5!

Solution: 1. Sb5! [2. Qd4#]
1. ... Be5 2. Qxe5 #
1. ... d6 2. Rf4 #
1. ... d5 2. Bb1#
1. ... f4 2. Qg6#
1. ... Sf3 2. gxf3#

wSd4 versus bPd7 (2019-11-9)
comment
Keywords: Brian Stephenson Collection (45351)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
47 - P1060448
Gerard Doukhan

1. Preis
P1060448
(11+8)
#2

BS Problemid: 45527
Authors: Doukhan, Gerard
Sources:
Years: 1975
Doukhan Gérard: Try: 1. Rc3? [2. Re6, Rc5 #]
But 1. ... dxc3!

Try: 1. Rd3? [2. Re6#]
But 1. ... Sb5+!

Try: 1. Re3? [2. Re6#]
But 1. ... Bxe4!

Try: 1. Rf3? [2. Re6#]
But 1. ... Re7!

Try: 1. Rg3? [2. Re6#]
But 1. ... Bxh3!

Try: 1. Rb2? [2. Re6#]
But 1. ... d3 !

Thèmes 64 1975
1° Prize

Solution: 1. Rb1! [2. Re6#]
1. ... Sb5+ 2. Qxb5#
1. ... Re7 2. Qxh5#
1. ... Rxd7+ 2. Sxd7#
1. ... d3 [a] 2. Qb2 #
1. ... Bxe4 2. Qxe4#
1. ... Bxh3 2. Qxh2#

Five white Queen interceptions done by the white tower b3 (2019-11-7)
Doukhan Gérard: Thèmes 64 1975
1° Prize (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45527)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
48 - P1060450
Gerard Doukhan
Europe Echecs 1976
2. Preis
P1060450
(11+11)
#2

BS Problemid: 45529
Authors: Doukhan, Gerard
Sources:
Years: 1976
Doukhan Gérard: Try: 1. Bf5? [2. Re6#]
But 1. ... e6!

Try: 1. Bg4? [2. Re6#]
But 1. ... Bb3!

Try: 1. Bd5? [2. Re6#]
But 1. ... Bxc5!

Try: 1. Bc4? [2. Re6#]
But 1. ... Qh3!

Try: 1. Bb3? [2. Re6#]
But 1. ... Bc3!

Try: 1. Ba2? [2. Re6#]
But 1. ... Ba1!

Try: 1. Bd7? [2. Re6#]
But 1. ... Sxc6!

Try: 1. Bf7? [2. Re6#]
But 1. ... Rg6!

Try: 1. Bg8? [2. Re6#]
But 1. ... Rexg8!

Solution: 1. Bh3! [2. Re6#]
1. ... Sxc6 2. Sd7#
1. ... e6 2. Bf6#
1. ... Rg6 2. Sf7#
1. ... Bc3 2. Qxc3#
1. ... Bb2 2. Qxb2#
1. ... Ba1 2. Qxa1#
1. ... Bxc5 2. Qxc5#
1. ... Bb3/g4 2. S(x)g4#
1. ... Qc4/xh3 2. S(x)c4#

Task : wBe6 eight tries (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45529)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
49 - P1060451
Gerard Doukhan
9248 Schach-Echo 05/1977
6. Preis
P1060451
(11+8)
#2*

BS Problemid: 45530
Authors: Doukhan, Gerard
Sources:
Years: 1977
Doukhan Gérard: Set Play:
1. ... cxd4 [a] 2. Bd3 [A] #
1. ... Bf4 [b] 2. Sf6 [B] #
1. ... Qc3 [c] 2. Sxc5 [C] #
1. ... Sd5 [d] 2. Bxd5 #
1. ... Sf5 [e] 2.Qxf5 #
1. ... Sxg2 [f] 2. Qf5 #

Solution: 1. Sd5! [2. Re3#]
1. ... cxd4 [a] 2. Rxd4 #
1. ... Bf4 [b] 2. Qxf4 #
1. ... Qc3+ [c] 2. Sxc3 #
1. ... Sxd5 [d] 2. Bd3 [A] #
1. ... Sf5 [e] 2.S7f6 [B] #
1. ... Qxd2 2. Sxc5 [C] #
1. ... Sxg2 [f] 2. Qf3 #

6 changed mates and triple Ruchlis (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45530)
Genre: 2#
Reprints: 9248 Schach-Echo 23-24, p. 388, 12/1978
Input: Brian Stephenson, 2004-8-12
Last update: Felber, Volker, 2015-11-21 more...
50 - P1060452
Gerard Doukhan
11341 British Chess Magazine 1978
2. Preis
P1060452
(15+4)
#2

BS Problemid: 45531
Authors: Doukhan, Gerard
Sources:
Years: 1978
PR A.C. Reeves: "An intense six-fold Zagorujko featuring correction defenses by the Black S in the tries and post-key play. Not the most beautiful-looking problem, perhaps, but the task is very well co-ordinated."
Doukhan Gérard: Try: 1. Ra7? waiting
1. ... Kxc5 [a] 2. Sa8 [A] #
But 1. ... S ad lib !

Try: 1. Bh5? waiting
1. ... Kxc5 [a] 2. Se8#
1. ... S ad lib [b] 2. B(x)e2 #
But 1. ... Sf3!

Try: 1. Qg3? waiting
1. ... Kxc5 [a] 2. Qxc3#
1. ... S ad lib [b] 2. Qd3#
But 1. ... Sf3!

Try: 1. Kb7? waiting
1. ... Kxc5 [a] 2. Sa6#
1. ... S ad lib [b] 2. Ra4#
But 1. ... Sc6!

Try: 1. e7? waiting
1. ... Kxc5 [a] 2. Se6#
1. ... S ad lib [b] 2. d6#
But 1. ... Se6!

Try: 1. b6? waiting
1. ... Kxc5 [a] 2. Sb5#
1. ... S ad lib [b] 2. B(x)b5#
But 1. ... Sc6!

Solution: 1. d6! waiting
1. ... Kxc5 [a] 2. Sd5#
1. ... S ad lib [b] 2. e7#
1. ... Sxe6 2. Qxe6#

Zagoruijko 2x6 (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45531)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
51 - P1060453
Gerard Doukhan
1991 De Waarheid 13/05/1978
1. Preis
P1060453
(7+9)
#2

BS Problemid: 45532
Authors: Doukhan, Gerard
Sources:
Years: 1978
Doukhan Gérard: Set Play:
1. ... Be4 [a] 2. c4 [A] #
1. ... Re5 [b] 2. Rd4 [B] #

1. ... Se6 [c] 2. Qxh1#
1. ... Qa6 [d] 2. Qxd7#

Try: 1. Rf4? [2. c4 [A] #]
But 1. ... Be4 [a] !

Try: 1. Bh8? [2. Rd4 [B] #]
But 1. ... Re5 [b] !

Solution: 1. Qe3! [2. c4 [A] , Rd4 [B] #]
1. ... Be4 [a] 2. Qxe4#
1. ... Re5 [b] 2. Qxe5#

1. ... Se6 [c] 2. c4 [A] #
1. ... Qa6 [d] 2. Rd4 [B] #

1. ... Sb3+ 2. Qxb3#

Dombrowsky, Ruchlis and changed mates (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
Mario Richter: in 'De Waarheid' the second try is given as 1. Lf6?? Te5!! (2019-11-8)
comment
Keywords: Brian Stephenson Collection (45532)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
52 - P1060454
Gerard Doukhan
11604 British Chess Magazine 08/1979
2. Preis
P1060454
(10+9)
#2

BS Problemid: 45533
Authors: Doukhan, Gerard
Sources:
Years: 1979
4 thematic tries
Doukhan Gérard: Try: 1. c3? [2. e4 #]
But 1. ... Sd2 !

Try: 1. Sc5? [2. Be6#]
But 1. ... Bxe5!

Try: 1. Bc5? [2. e4 #]
But 1. ... Rb4!

Try: 1. Rc3? [2. Rd3#]
But 1. ... Sc6 [a] !

Solution: 1. Bb2! [2. e4 #]
1. ... Bxe5 2. Qxe5#
1. ... Rb4 2. Rc5#
1. ... Sd2 2. Sc3#

Cycle of white block : Pc2 blocks Sa4/ Sa4 blocks Ba3/ etc.... (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45533)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
53 - P1060455
Gerard Doukhan
4068 Revista Romana de Sah 09/1979
3. Preis
P1060455
(12+2)
#2

BS Problemid: 45534
Authors: Doukhan, Gerard
Sources:
Years: 1979
Doukhan Gérard: Try: 1. d6? waiting
1. ... Kxb6 [a] 2. d7#
1. ... S ad lib [b] 2. Qc4#
But 1. ... Sd5!

Try: 1. Sd6? waiting
1. ... Kxb6 [a] 2. Se4#
1. ... S ad lib [b] 2. Qe2 [E] #
But 1. ... Sd3!

Try: 1. Bd6? waiting
1. ... Kxb6 [a] 2. Bb8#
1. ... S ad lib [b] 2. b8=S#
But 1. ... Sc6!

Solution: 1. Qh3! waiting
1. ... Kxb6 [a] 2. Qe6#
1. ... S ad lib [b] 2. Q(x)d3#

Zagoruijko 2x4, switchback on the king move (2019-11-7)
Henrik Juel: Diagram error: add wPd5
With this correction, C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45534)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
Last update: Mario Richter, 2019-11-8 more...
54 - P1060456
Gerard Doukhan
Schach-Echo 1979
P1060456
(6+10)
#2

BS Problemid: 45535
Authors: Doukhan, Gerard
Sources:
Years: 1979
Doukhan Gérard: Set Play:
1. ... g1=Q/R/B/S 2. Qc2 [A] #
1. ... e4 2. Qc7 [B] #


Try: 1. Qxg2? [2. Qc2 [A] #]
But 1. ... d6 [b] !

Try: 1. Qxe5? [2. Qc7 [B] #]
1. ... d6 [b] 2. Qe8#
But 1. ... Rd6 [a] !

Solution: 1. Qh7! [2. Qxd7#]
1. ... Rd6 [a] 2. Qc2 [A] #
1. ... d6 [b] 2. Qc7 [B] #

1. ... Se7/d6 2. S(x)e7#

Hannelius and transferred mates (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45535)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
55 - P1060458
Gerard Doukhan
? 1979-1980
1. Preis
P1060458
(11+10)
#2

BS Problemid: 45537
Authors: Doukhan, Gerard
Sources:
Years: 1979-1980
Doukhan Gérard: Try: 1. h3? waiting
1. ... b5 [a] 2. Re6#
1. ... e2 [b] 2. Bd4#
1. ... Sh ad lib [c] 2. Bh2#
But 1. ... Sg3 !

Try: 1. Rd6? waiting
1. ... b5 [a] 2. Sd7#
1. ... e2 [b] 2. Re6#
1. ... Sh ad lib [c] 2. Q(x)g3#

1. ... Kxd6 2. Qe7#
1. ... Sf4 2. Qf6#
1. ... Sb ad lib 2. R(x)d5#
But 1. ... bxc5 !

Memorial Stosic 1979
1° Prize

Solution: 1. Rd4! waiting
1. ... b5 [a] 2. Re4#
1. ... e2 [b] 2. Sd7#
1. ... Sh ad lib [c] 2. Q(x)g7 #

1. ... Kxd4 2. Qxe3#
1. ... Sf6 2. Qf4#
1. ... Sb ad lib 2. R(x)d5#

Zagoruijko 3x3 (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45537)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
56 - P1060459
Gerard Doukhan
diagrammes 1979
1. ehrende Erwähnung
P1060459
(9+14)
#2

BS Problemid: 45538
Authors: Doukhan, Gerard
Sources:
Years: 1979
Doukhan Gérard: Try: 1. Sce6? [2. Bxd4#]
1. ... exf3 2. Sc7 #
But 1. ... Be5!

Try: 1. Sge6? [2. Bxd4#]
1. ... exf3 2. Sg7 #
But 1. ... Qd7!

Try: 1. Ba3? [2. Bc1#]
1. ... dxc3 2. Bc5#
But 1. ... b2!

Try: 1. Rxc4? [2. Bxd4#]
1. ... Sxc4 2. Sd5#
1. ... dxc2 2. Rc3#
But 1. ... d2+!

Try: 1. Qh4? [2. Qf2#]
1. ... Kxf3 2. Qh3#
But 1. ... Sg4!

Try: 1. Bxd3? [2. B ad lib #]
1. ... Bc2 2. Bxc2#
1. ... Be2 2. Bxe2#
But 1. ... cxd3!

Solution: 1. Rd8! [2. Bxd4#]
1. ... exf3 2. Re8 #

1. ... Sd7/d5 2. S(x)d5#

Task : Unique realization with seven switchback (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45538)
Genre: 2#
Input: Brian Stephenson, 2004-8-12
57 - P1060490
Gerard Doukhan
Europe Echecs 1976
1. ehrende Erwähnung
P1060490
(13+8)
#3

BS Problemid: 45569
Authors: Doukhan, Gerard
Sources:
Years: 1976
Doukhan Gérard: Try: 1. Ra1? [2. Qa4 [3. Qc4, Qe4#] Bristol
1. ... Rh4 2. Qa3 ad lib 3. Qc5# Bristol
1. ... Rh2 2. Qa2 [3. Ka3, Kb4, Kc3, Ka4#] Bristol
2. ... Rc2 3. Kxc2#
2. ... Rxb2+ 3. Kxb2#
But 1. ... Rh3!

Europe Echecs 1975
1° Honourable Mention

Try: 1. Be3/Bf2/Bg1? ad lib 2. Qc5# Bristol
But 1. ... Rxd7!

Solution: 1. Kb4! [2. Ra1 ad lib 3. Qa2#] Bristol
1. ... Rh4 2. Bd4 ad lib 3. Qc5# Bristol
1. ... Rh3 2. Be3 ad lib 3. Qc5# Bristol
1. ... Rh2 2. Bf2 ad lib 3. Qc5# Bristol
1. ... Rh1 2. Bg1 ad lib 3. Qc5# Bristol

Task : Multiple Bristols (9) and changed mates (2019-11-7)
Henrik Juel: C+ by Popeye 4.61 except for the trial 1.Kb4 e4? 2.Le3,Lf2,Lg1 (2019-11-7)
comment
Keywords: Brian Stephenson Collection (45569)
Genre: 3#
Input: Brian Stephenson, 2004-8-12
58 - P1060496
Gerard Doukhan
Europe Echecs 1978
1. Preis
P1060496
(9+13)
#3

BS Problemid: 45575
Authors: Doukhan, Gerard
Sources:
Years: 1978
Doukhan Gérard: Try: 1. Bxe7 [A] ? [2. Bxd6#]
But 1. ... Rd5 [a] !

Try: 1. Sf2 [B] ? [2. Se4#]
But 1. ... Bd5 [b] !

Solution: 1. Qf3! [2. Rc6+
2. ... dxc6 3. Qxc6#]

1. ... Rd5 [a] 2. Sf2 [B] [3. Se4#]
2. ... Bf5 3. Qxd5#
2. ... Re5 3. cxd4#
1. ... Bd5 [b] 2. Bxe7 [A] [3. Bxd6#]
2. ... Be5 3. Qxd5#
2. ... Re5 3. cxd4#

1. ... d5 2. Bxe7+
2. ... d6 3. Bxd6, Rc6#
2. ... Bxe7 3. cxd4#
1. ... d3/dxc3 2. Qf2+
2. ... Bd4 3. Qxd4#

Hannelius, Grimshaw (2019-11-9)
comment
Keywords: Brian Stephenson Collection (45575)
Genre: 3#
Input: Brian Stephenson, 2004-8-12
59 - P1060497
Gerard Doukhan

2. Preis
P1060497
(10+12)
#3

BS Problemid: 45576
Authors: Doukhan, Gerard
Sources:
Years: 1980
Doukhan Gérard: Het Parol 1980
2° Prize

Solution: 1. Qb6! [2. d4+
2. ... cxd4 3. Qxd4#]
1. ... cxd3 2. Sxe3 [3. Bg7#]
2. ... Kd4 3. Bg7#
1. ... exd3 2. Sxg3 [3. Bg7#]
2. ... Kd4 3. Bg7#
1. ... Rxd3 2. Sd4 [3. Bg7#]
2. ... Kxd4 3. Bg7#
1. ... Sxd3 2. Se7 [3. Bg7#]
2. ... Kd4 3. Sc6#
1. ... Bxd3 2. Sh4 [3. Bg7#]
2. ... Kd4 3. Bg7#

Stocchi (2019-11-9)
comment
Keywords: Brian Stephenson Collection (45576)
Genre: 3#
Input: Brian Stephenson, 2004-8-12
60 - P1066140
Gerard Doukhan
Claude Wiedenhoff

Mat Plus 1994
P1066140
(11+10)
#3

BS Problemid: 51234
Authors: Doukhan, Gerard
Wiedenhoff, C
Sources:
Years: 1994
Doukhan Gérard: Mat 1994
1° Honourable Mention

Set Play:
1. ... Re4 [a] 2. Qd5 [A]#
1. ... Be4 [b] 2. Qxg7 [B]#

Try: 1. Qg6 [C]? ad lib 2. Qd3#
But 1. ... Re4 [a]!

Try: 1. Qf5 [D]? ad lib 2. Qd3#
But 1. ... Be4 [b]!

Solution: 1. Rb7! [2. Rd3+
2. ... Kc4 3. Sb2#
2. ... Ke4 3. Sc3#]

1. ... Bb6 2. Qg6 [C] [3. Qd3#]
2. ... Re4 [a] 3. Qxd6#
2. ... Be4 [b] 3. Qxg7 [B]#
2. ... Re3 3. fxe3#
1. ... Sxb7 2. Qf5 [D] [3. Qd3#]
2. ... Re4 [a] 3. Qd5 [A]#
2. ... Be4 [b] 3. Se6#
2. ... Re3 3. fxe3#

Changed Grimshaw, 4th WCCT B1 theme (2019-11-9)
comment
Keywords: Brian Stephenson Collection (51234)
Genre: 3#
Input: Brian Stephenson, 2004-8-12
61 - P1066828
Aleksandr Mikholap
The Ural's Problemist 04-06/2004
2. Thematurnier
Spezialpreis
P1066828
(11+8)
s#2
Schwarz hat zuletzt fehlerhaft d7-d6 gespielt, da sein König aber im Schach steht nimmt er diesen Zug zurück und spielt nun
a) 0. ... d7xe6 wonach folgt
1. Lxe6+ Sxe6 2. fxe6 Lb6#
1. ... Sd5 2. f4 Lb6#
oder b) 0. ... d7-d5 wonach folgt
1. Dxd5+ Sfxd5 2. Le6 Lb6#
play all play one stop play next play all
A.Buchanan: Is this intended to be Touch Move as well? There is also a solution after 0. ... Sxe6+ or 0. ... Sd5, although in the latter case there is a dual after 1. Dxd7! e6 2. Dxe6,Lxe6. (2019-10-21)
comment
Keywords: Retract illegal move (self-check), Illegal position, Joke
Genre: Retro, s#
Input: Frank Müller, 2004-11-1
Last update: A.Buchanan, 2019-10-21 more...
62 - P1067439
Dirk Borst
Problemkiste (155) 10/2004
1. Preis
25. PK-KT
P1067439
(15+12)
BP in 32,0
Stafettenschach
1. a4 e5 2. Ta3 e4 3. Tb3 e3 4. Tb6 axb6 5. Sh3 Ta5 6. Tg1 Tb5 7. Th1 Tb3 8. f4 Lb4 9. f5 Ke7 10. f6+ Ke6 11. cxb3 Sc6 12. Dc2 Sce7 13. Dd1 c6 14. Sc3 Dc7 15. Se4 Df4 16. Sg3 Dh4 17. a5 Df4 18. a6 Db8 19. a7 Da8 20. Se4 Db8 21. Sc3 Df4 22. Sb1 Df2+ 23. Sxf2 Sh6 24. Sg4 Shf5 25. Sxe3 Sd6 26. Sf5 Te8 27. Sxg7+ Kd5 28. Sf5 h5 29. Sh4 Lc5 30. Sf3 Le3 31. Sg1 Lh6 32. Kf2 Lf8
play all play one stop play next play all
Richter: Hans Gruber
Ein Stück mit einer unschuldig-unscheinbaren Stellung, die in einer
Beweispartie voller Phantasie und komplizierter Stafettenstrategie
erreicht wird. Besonders spannend ist, wie Ba4, Sg3 und Lb4
reaktiviert werden. Fein gelungen sind die Rückkehren von wSb1,
wSg1, wDd1, wTh1 und sLf8, die die Stafetterie umso verborgener
machen, weil alle Aktivisten wieder verräumt werden. (Ein ---
wünschenswertes! --- Wunder wäre es, wenn das korrekt wäre.)
paul: Partially tested with Jacobi:
stip dia 5.5 forsyth 1sbqkbsr/1ppp1ppp/1p6/r7/P7/4p2S/1PPPPPPP/1SBQKBR1
stip dia 13.5 forsyth q1b3sr/Pp1psppp/1pp1kP2/8/1b6/1P2p1SS/1P1PP1PP/2BQKB1R
stip dia 13 forsyth 2b1rb2/Pp1psp2/1pps1P2/3k3p/8/1P6/1P1PPKPP/1SBQ1BSR
cond relay
(in about 4h30min) (2019-11-8)
comment
Keywords: Unique Proof Game, Relay Chess
Genre: Retro, Fairies
Reprints: feenschach 154, p. 257, 2004
A3990 Phénix (148-149) 02-03/2006
Input: Gerd Wilts, 2005-1-9
Last update: Erich Bartel, 2017-12-24 more...
63 - P1067440
Unto Heinonen
Problemkiste (155) 10/2004
2. Preis
25. PK-KT
P1067440
(13+14)
BP in 27,5
Stafettenschach
1. c4 a5 2. c5 Ta6 3. Db3 Th6 4. De6 fxe6 5. Kd1 Kf7 6. Kc2 Kf6 7. Kb3 Ke5 8. Ka4 Sf6 9. h4 Tg8 10. h5 b5+ 11. cxb6ep c5 12. g4 c4 13. g5 Lb7 14. g6 Le4 15. gxh7 Lg6 16. h8=D Le8 17. Dh7 g5 18. Dc2 g4 19. Dd1 Lg7 20. d4+ cxd3ep 21. Lg2 Sc6 22. Ld5 Sd4 23. Lb3 Sf5 24. f4+ gxf3ep 25. Lf4+ Kd4 26. Ld6 Da8 27. Sa3 De4 28. Sc2#
play all play one stop play next play all
Richter: Hans Gruber
Drei en passant-Schläge, keiner davon am Ende. Das Pronkin-Thema ist
eine feine Zugabe zu diesem Problem mit faszinierender
Stafettenstrategie. Der Autor betont das Fesselungsmatt; auch wenn
das kein sonderlich aufregender Punkt ist, ist das Mattbild doch für
eine Beweispartie ungewöhnlich elegant und damit eine feine Zugabe.
paul: The first 16 moves checked by Jacobi. (2019-11-5)
paul: And also tested the last 17 moves. (2019-11-5)
Henrik Juel: [Pc2] finishes its series of moves with 2.c5, so after 10... b6?, 11.cxb6 is illegal, because wPc5 is 'used'
10... b5+ 11.cxb6ep is legal, because the check cannot be answered by a 'fresh' man
Similar motivations for the black ep captures (2019-11-5)
comment
Keywords: Unique Proof Game, En passant (3), Pronkin Theme (d), Relay Chess
Genre: Retro, Fairies
Reprints: feenschach 154, p. 257, 2004
A3931 Phénix (148-149) 02-03/2006
Input: Gerd Wilts, 2005-1-9
Last update: Erich Bartel, 2017-12-24 more...
64 - P1068430
Michel Caillaud
France-Echecs 2005
Retour a l'envoyeur
petiteglise gewidmet
P1068430
(12+13)
21 letzte Einzelzüge?
#1 (wer?)
1. ... Dh6#!
Not 1. f3#?
R: 1. Sf3-g1 b3-b2 2. Sd4-f3 b4-b3 3. Sc6-d4 b5-b4 4. Sb8-c6 b6-b5 5. c7xSb8=S Sc6-b8 6. d6xBc7 Sd4-c6 7. d5-d6 Sf3-d4 8. d4-d5 Sg1-f3 9. d3-d4 h2xTg1=S 10. d2-d3 h3-h2 11. h2xSg3
play all play one stop play next play all
Bauernhistorie
w: c7xSb8=S d6xBc7 h2xSg3 a7-a8=D
s: h2xTg1=S a7xBb6 g7xf6 f7xe6
Henrik Juel: I believe that the given retroplay is wrong. If you change it to
-5.c7xSb8=S Sc6 -6.d6xPc7 Sd4 -7.d5 Sf3 -8.d4 Sg1 -9.d3 h2xTg1=S -10.d2 h3 -11.h2xSg3
the position is legal: Black captured a7xPb6 and White promoted to D or T on a8. (2019-10-27)
Henrik Juel: The pawn play must be this:
White captured dxPc-c7xb8 and h2xg3 and promoted [Pa2] on a8
Black captured axPb, f7xe6, g7xf6, and h2xTg1 (2019-10-28)
comment
Keywords: Ceriani-Frolkin Theme (s), Last Moves?, Pronkin Theme, Whose move?, Type A
Genre: Retro
Reprints: H4 FIDE Album Annexe 2004-2006 2013
H4 Phénix 261/262, p. 10347, 05-06/2016
Input: Gerd Wilts, 2006-6-2
Last update: Mario Richter, 2019-10-29 more...
65 - P1070002
Jorge Joaquin Lois
Roberto Osorio

R337 Probleemblad 2 2008
2. Lob
PR Thomas Brand
P1070002
(13+15) C+
BP in 19.0
1. e4 c5 2. Df3 Sc6 3. Df6 gxf6 4. Ke2 Lh6 5. Kf3 Lxd2 6. Le2 La5 7. Lf4 Kf8 8. Lb8 Kg7 9. Kf4 Df8 10. Sf3 Ld8 11. Td1 b6 12. Td6 La6 13. Sd2 Lc4 14. Te1 Le6 15. Ld1 Lf5 16. exf5 exd6 17. Te8 Le7 18. Tc8 Dd8 19. Tc7 Lf8
play all play one stop play next play all
Henrik Juel: 2nd Commendation awarded by Thomas Brand in 12/2010, p.238-240 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game
Genre: Retro
Computer test: Natch 2.4 Copyright (C) 1997,98,99,2001-2005 Pascal Wassong
Input: Gerd Wilts, 2008-9-4
Last update: Alfred Pfeiffer, 2019-11-19 more...
66 - P1070029
Wolfgang Dittmann
R330 Probleemblad 10-12/2007
Ehrende Erwähnung
PR Thomas Brand
P1070029
(9+3)
#1 vor 4
Verteidigungsrückzüger, Typ Proca
Anticirce
R: 1. b6xBc7[+wBc2] Kb8-a7 2. Ka1-a2 Ka7-b8 3. Ka2-a1 Ka6-a7 4. Ta8-h8, dann 1. Sxh1[+wSb1]#
play all play one stop play next play all
3. Kb8-a7?? ist illegal, da nach 4. Ka1-a2 Ka7-b8 5. Ka2-a1 eine illegale dreifach Stellungswiederholung entsteht.
Henrik Juel: Honorary Mention awarded by Thomas Brand in 12/2010, p.236-237 (2019-11-18)
comment
Keywords: Defensive Retractor, Type Proca, Circe (Anti-), Draw by repetition
Genre: Retro, Fairies
Input: Gerd Wilts, 2008-9-8
Last update: Alfred Pfeiffer, 2019-11-19 more...
67 - P1072876
Bert Kölske
2006 idee & form 10/2005
P1072876
(3+3) C+
h#3*
* 1. ... Td7 2. Lb7 axb7 3. Sb6 b8=S#
1. Sc7 Txc7+ 2. Kb6 a7 3. La6 a8=S#
play all play one stop play next play all
Bert Kölske: 6-Steiner mit Reihen-Echomatt, Funktionswechsel s/l und Unterverwandlung „...ausgezeichnete Konstruktionsleistung, Letztform“ Th. Steudel (2019-4-20)
Bert Kölske: Nachdruck in der "Rhein-Neckar-Zeitung" am 27.04.2019 (2019-10-21)
comment
Keywords: Symmetrical constellation, Promotion in the mating move, under-promotion (S)
Genre: h#
Computer test: Popeye WINDOWS-32Bit V4.05 (1598156 KB)
Input: hpr, 2007-8-29
Last update: Alfred Pfeiffer, 2019-4-21 more...
68 - P1074536
Vitaly Medintsev
1896 Best Problems 43 2007
Spezielle ehrende Erwähnung
P1074536
(5+7) C+
h#2
3.1...
1) 1. Lxe4 Le7 2. Lg6 Lf8#
2) 1. Sxe5 Sd6 2. Sg6 Sf7#
3) 1. Txf6 Te7 2. Tg6 Th7#
play all play one stop play next play all
Auszeichnung wurde in Heft 49 (01/2009) geändert von 1. Preis auf Spez.ehr. Erw.
Rolf Wiehagen: Zyklischer Zilahi TLS, Block auf demselben Feld, s + w Solisten (2019-10-22)
comment

Genre: h#
Computer test: Popeye WINDOWS-32Bit V4.37 (1457008 KB)
Input: hpr, 2007-10-5
Last update: Alfred Pfeiffer, 2019-10-23 more...
69 - P1080344
Unto Heinonen
R342 Probleemblad 07-09/2008
2. Preis
PR Thomas Brand
P1080344
(15+13) C+
BP in 21.5
1. g4 d5 2. Lg2 d4 3. Lxb7 Sh6 4. Le4 Lb7 5. Lxh7 Sf5 6. Lg6 Th3 7. Sa3 Tc3 8. Sh3 d3 9. 0-0 Lg2 10. dxc3 d2 11. De1 d1=T 12. Lg5 Td3 13. Td1 Tg3 14. Td6 Sc6 15. Tf6 exf6 16. Sb1 La3 17. f3 De7 18. Kf2 0-0-0 19. Th1 Td1 20. Sg1 Tc1 21. Dd1 Sd6 22. Ke1
play all play one stop play next play all
Henrik Juel: 2nd Prize awarded by Thomas Brand in 12/2010, p.238-240 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game, under-promotion (t)
Genre: Retro
Computer test: Natch 3.1 (1 m)
Input: Gerd Wilts, 2008-11-10
Last update: Alfred Pfeiffer, 2019-11-19 more...
70 - P1080345
Nicolas Dupont
R343 Probleemblad 07-09/2008
Unto Heinonen gewidmet
3. Lob
PR Thomas Brand
P1080345
(11+16) C+
BP in 28.5
1. e4 h5 2. Dg4 hxg4 3. e5 Th3 4. e6 Tg3 5. h4 d5 6. h5 d4 7. h6 d3 8. h7 dxc2 9. Th6 Dd3 10. Tf6 exf6 11. e7 Kd7 12. e8=T b5 13. Te6 Se7 14. Tb6 axb6 15. h8=T Ta4 16. Th1 Tf4 17. a4 Sec6 18. a5 La3 19. a6 b4 20. a7 Da6 21. d4 Sa5 22. d5 c5 23. d6 Kc6 24. d7 c4 25. a8=D Kb5 26. Dd5 Ka4 27. Dg5 fxg5 28. d8=D f5 29. Dd1
play all play one stop play next play all
Henrik Juel: 3rd Commendation awarded by Thomas Brand in 12/2010, p.238-240 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game, Homebase (w), under-promotion (T), konsekutive Umwandlungen 4 (TTDD), Pronkin Theme (DT), Ceriani-Frolkin Theme
Genre: Retro
Computer test: Euclide 0.93
Input: Gerd Wilts, 2008-11-10
Last update: Alfred Pfeiffer, 2019-11-19 more...
71 - P1080392
Unto Heinonen
13945 Die Schwalbe 234 12/2008
P1080392
(14+8)
BP in 16,0
Antispiegelcirce
1. g3 d5 2. Lg2 Lg4 3. Le4 Sd7 4. Lxh7[+wLc8] Th3 5. b3 Sh6 6. Sxh3[+wSg8] Sf6 7. 0-0 Sh5 8. Te1 Lxe2[+sLf1] 9. Txe7[+wTh8] La3 10. Sxa3[+wSb8] Ke7 11. f3 Kf6 12. Kxf1[+wKe8] Dd6 13. Dg1 Kg6 14. Dxa7[+wDd8] Ta3 15. Lxa3[+wLf8] Dxg3[+sDd1] 16. Txd1[+wTa8] Kh7
play all play one stop play next play all
paul: The first 10 moves checked by Jacobi. (2019-11-5)
Henrik Juel: The animation does not work
Would it help to write 4. Lxh7-c8 etc.?
The final move is not a self-check, because 17.Txh7-a8 is illegal, as a8 is occupied (2019-11-5)
Alfred Pfeiffer: The PDB program cannot execute moves for each condition and variants. For the condition Circe it knows only the variants 'Circe' and 'Anticirce'. (2019-11-5)
comment
Keywords: Circe (Anti-Spiegel-), Unique Proof Game, Interchange, Castling
Genre: Retro, Fairies
Input: Gerd Wilts, 2009-1-3
Last update: Alfred Pfeiffer, 2019-11-5 more...
72 - P1080399
Nicolas Dupont
R346 Probleemblad 07-09/2008
1. Lob
PR Thomas Brand
P1080399
(14+13) C+
BP in 17,5
1. h4 c5 2. Th3 Db6 3. Tg3 Db3 4. Tg6 hxg6 5. axb3 Th5 6. Ta6 Td5 7. Tc6 a5 8. h5 a4 9. h6 a3 10. h7 a2 11. h8=T a1=D 12. Th1 Da5 13. Txc8+ Dd8 14. Tc6 Dc7 15. Sh3 Dh2 16. f4 Dg1 17. Sf2 Dxf1+ 18. Txf1
play all play one stop play next play all
Zwei Pronkinsteine (sDd8 und wTh1) verlassen die Themafelder wieder und einer der Pronkinsteine wird von dem anderen geschlagen.
Henrik Juel: 1st Commendation awarded by Thomas Brand in 12/2010, p.238-240 (2019-11-18)
more ...
comment
Keywords: Unique Proof Game, Pronkin Theme (dT), under-promotion (T), konsekutive Umwandlungen 2 (Td)
Genre: Retro
Reprints: (8) Quartz 35 08/2010
Input: Gerd Wilts, 2009-1-5
Last update: Alfred Pfeiffer, 2019-11-19 more...
73 - P1081260
Ernst Hasselkus
8175 Deutsches Wochenschach 05/1908
P1081260
(6+5) C+
s#6
1. b8=S Ke4 2. T6f4+ Ke5 3. Sd3+ Ke6 4. Te2+ Le4 5. Kc1 b2+ 6. Sxb2 Sb3#
play all play one stop play next play all
more ...
comment
Keywords: under-promotion in key-move (S)
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: HBae, 2009-2-6
Last update: Alfred Pfeiffer, 2019-11-17 more...
74 - P1081496
Ernst Hasselkus
5194 Deutsches Wochenschach 18/01/1903
P1081496
(7+3) C+
s#6
1. Dh7+ f5 2. Dg7 Sb3 3. Td4+ Sxd4 4. Lg2+ Sf3 5. Kh3 Kxf4 6. Dg4+ fxg4#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: M. Schreckenbach: Gustav 4.1 a
Input: HBae, 2009-2-6
Last update: Olaf Jenkner, 2019-11-6 more...
75 - P1081539
Reinhardt Fiebig
Länderkampf Bulgarien-DDR 1984
2. Platz
P1081539
(14+5)
s#5
1. Lg7 Dxb7 2. Dg8+ Kxg8 3. Lb2+ Kh7 4. Tg7+ Kh8 5. Tg5+ Dxb2#
1. Lg7 Da7 2. Dg8+ Kxg8 3. Ld4+ Kh7 4. Tg7+ Kh8 5. Tg5+ Dxd4#
1. Lg7 Db8 2. Dg8+ Kxg8 3. Le5+ Kh7 4. Tg7+ Kh8 5. Tg5+ Dxe5#
1. Lg7 Dxc8 2. Dg8+ Kxg8 3. Lc3+ Kh7 4. Tg7+ Kh8 5. Tg5+ Dxc3#
1. Lg7 Dxa6 2. Dg8+ Kxg8 3. Lf6+ Kh7 4. Tg7+ Kh8 5. Tg5+ Dxf6#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-17)
comment
Keywords: Opposition
Genre: s#
Reprints: 10437 Schach , p. 373, 08/1984
Input: HBae, 2009-2-6
Last update: Felber, Volker, 2013-11-22 more...
76 - P1089001
Camillo Gamnitzer
203 Problem-Forum 03/2006
1. ehrende Erwähnung
P1089001
(8+9) C+
s#7
1. Ld4! droht 2. Lxb2+ Txb2#
1. ... Tg2,Tg3 2. Lxa7 droht 3. Dxb2+ Txb2#
2. ... Tg1 3. Ld4 Tg2,Tg3 4. Lg1 Txg1 5. Tfxb3 axb3 6. Ta8+ Kb4 7. De1+ Txe1#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: Gustav 4.1a (Schrecke)
Reprints: F184 FIDE Album 2004-2006 2013
Input: Frank Müller, 2009-7-19
Last update: Marcin Banaszek, 2019-10-23 more...
77 - P1089016
Volodymyr Chornous
S27 Problemist of Ukraine 01-03/2009
P1089016
(9+9) C+
s#7
1. Tg6! Kh7 2. Sf8+ Kh8 3. Th4 h5 4. Txc4 h4 5. Tb4 axb4 6. Lxc3+ bxc3 7. Dxd3 b2#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2009-7-19
Last update: Alfred Pfeiffer, 2019-10-26 more...
78 - P1090468
Iwan O. Brjuchanow
14784 Ideal-Mate Review 04-06/2005
P1090468
(3+4) C+
s#7
1. De7+? Ka4!
1. Dc5+! Kb3! 2. Db4+ Ka2 3. Dc4+ Ka3 4. Lb4+ Ka4 5. Ld2+ Ka3 6. Db4+ Ka2 7. Db2+ Lxb2#
play all play one stop play next play all
more ...
comment
Keywords: Ideal mate
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2009-8-28
Last update: Alfred Pfeiffer, 2019-10-26 more...
79 - P1090514
Valery Surkov
14202 Ideal-Mate Review 01-06/2004
P1090514
(4+3) C+
s#7
1. Da5+! Kb3 2. Db5+ Ka2 3. De2 Kb3 4. Td1 Ka4,Ka2 5. Da6+ Kb3 6. Db5+ Ka2 7. Db2+ cxb2#
play all play one stop play next play all
more ...
comment
Keywords: Ideal mate
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2009-8-29
Last update: Alfred Pfeiffer, 2019-10-26 more...
80 - P1091720
Victor Sisonenko
Suomen Tehtäväniekat 2009
2. Preis
Solja-50-Jubiläumsturnier
P1091720
(2+6) C+
h#5
3.1...
1) 1. Ta1 Kf2 2. Kf4 Ke2 3. Kg3 Lh4+ 4. Kh2 Kf2 5. Th1 Lg3#
2) 1. Ta3+ Kh4 2. Kf3 Kg5 3. Kg3 Kf6 4. Kh4 Le7 5. Tg3 Kg6#
3) 1. Kd5 Kf4 2. Kc6 Ke5 3. Kb7 Kd6 4. Ka6 Kc7 5. Ka5 Kb7#
play all play one stop play next play all

Duplicate Diagram: P1368437

Vorgänger scheint WinChloe No. 221278 zu sein, kann das jemand nachsehen, bitte!?
Felber, Volker: Steingetreu vorweggenommen durch P1368437 (2019-10-22)
comment
Keywords: anticipated (P1368437)
Genre: h#
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
Input: hpr, 2009-9-16
Last update: Felber, Volker, 2019-10-22 more...
81 - P1093360
Camillo Gamnitzer
2479 Schach-Aktiv 01/2001
Alex Doppelreiter gewidmet
3. ehrende Erwähnung
P1093360
(12+11)
s#7
1. Tf3 droht 2. Df5+ Kd5 3. Txd4+ Kxd4 4. Dd3+ Lxd3#
1. Tf3 Lb2 2. Tg3 droht 3. Sf6+ Kf4 4. Sd5+ Ke4 5. Sc3+ Lxc3 6. d3+ Lxd3#
1. Tf3 Lb2 2. Tg3 La3 3. Sc5+ Lxc5 4. Lg4 droht 5. Lf3+ Kd3 6. Le2+ Ke4 7. Ld3+ Lxd3#
1. Tf3 Lb2 2. Tg3 La3 3. Sc5+ Lxc5 4. Lg4 Dxg2 5. Lf5+ Kf4 6. Lh3+ Ke4 7. Lxg2+ Lxg2#
1. Tf3 Lc5? 2. Df5+ Kd5 3. Txc5+ Kd6 4. Df6+ Se6 5. Td3+ Lxd3#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-10)
comment

Genre: s#
Input: Frank Müller, 2009-11-1
Last update: Frank Müller, 2009-11-1 more...
82 - P1093890
Ivan Soroka
The Ural's Problemist 07-09/2009
Wladimir Bron 100 MT
Speziallob
P1093890
(9+8) C+
s#7
1. g7 (droht 2. Txb2+ Kxb2#) Lxg7 2. f6 Lxf6 3. e5 Lxe5 4. d4 Lxd4 5. c3 Lxc3 6. Txb2+ Lxb2 7. Lc2+ Lxc2#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-9)
Input: Frank Müller, 2009-11-12
Last update: Erich Bartel, 2019-11-9 more...
83 - P1094203
Udo Degener
2092 idee & form 04/2006
Informalturnier 2006/07
1. Lob
P1094203
(7+2)
s#6
b) sTd2 nach e3 = s#7
a) 1. Kf1 Ke3 2. Tg3+ Kf4 3. Sd5+ Ke4 4. Ld3+ Txd3 5. Tg4+ Kf3 6. Dd1+ Txd1#
b) 1. Sd5+ Ke4 2. Dc2+ Td3 3. Lf3+ Kxf3 4. Df2+ Ke4 5. Sc3+ Txc3 6. Tg4+ Kd3 7. Sc1+ Txc1#
play all play one stop play next play all
SCHRECKE: a)+b): C+, Gustav 4.1a, Brute Force (2019-11-19)
comment
Keywords: Aristocrat
Genre: s#
Input: Frank Müller, 2009-11-15
Last update: Frank Müller, 2009-11-15 more...
84 - P1095476
Camillo Gamnitzer
15004 Schach 05/2002
Informalturnier 2002/03
1. Preis
P1095476
(12+13)
s#7
1. Le2? (droht 2. Sf1+) La5 2. Txe8 Tb4!
1. Lg7! droht 2. Sf5+ exf5 3. Lh6+ f4 4. Df2+ Dxf2#
1. Lg7! cxd3 2. Lh3 La5 3. Txe8 Tb4 4. Sg4+ Lxg4 5. Df2+ Kf4 6. Tf8+ Lf5 7. Kxd2 Dxf2# Tb1#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-20)
comment

Genre: s#
Input: Frank Müller, 2009-12-5
Last update: Frank Müller, 2009-12-5 more...
85 - P1097708
Dieter Werner
1534 idee & form 07/2002
Informalturnier 2002/03
3. Lob
P1097708
(12+9) C+
s#7
Hauptplan: 1. Lxc2+? Txc2+ 2. Kd1
1. Lc5+? Lf3? 2. Lxc2+
aber 1. ... Sf3!
1. Td5+! Kc4 2. Dc6+? Sxc6?
2. Td3+ Kxd3 3. Dd6+ Kc4 4. Dc5+ Kd3 5. Db5+ Sc4 6. Lc5+ Lf3 7. Lxc2+ Txc2#
play all play one stop play next play all
more ...
comment
Keywords: Beseitigung hinderlicher Masse (w), Vorpläne, gestaffelte
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2010-1-5
Last update: Alfred Pfeiffer, 2019-10-26 more...
86 - P1106002
Camillo Gamnitzer
3527 Schach-Aktiv 04/2009
Jürgen Bischoff zum Gedenken
2. Preis
P1106002
(6+9)
s#7
1. Dd5+? Ld4+ 2. Dxh1
1. Dd7+? Sd6 2. Dxd6+ Kc4 3. Txa4+ Kc3 4. Dxe5+ Ld4+ 5. De1 und es geht nicht weiter
1. Da6! Sg6,Sf7? 2. Dxg6+ e4 3. Sxe4+ Sxa3 4. Dc6,De6 Sb5,Sc2 5. Dd5+ Sd4 6. Dxd4+ Lxd4#
1. Da6! e4 2. Db5 e3 3. Dd7+ Sd6 4. Dxd6+ Kc4 5. Txa4+ Kxc3 6. De5+ Kd3 7. Dxe3+ Lxe3#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-10)
comment

Genre: s#
Input: Frank Müller, 2010-5-24
Last update: Frank Müller, 2010-5-24 more...
87 - P1106792
Unto Heinonen
A16 Problemkiste 188 05/2010
P1106792
(15+15)
BP in 18,0
1. e4 e5 2. Lb5 Se7 3. Lc6 bxc6 4. f4 La6 5. f5 Lc4 6. f6 Le6 7. fxe7 f5 8. d3 Kf7 9. e8=L+ Kf6 10. Lh5 f4 11. Le2 f3 12. Lf4 Le7 13. Dc1 f2+ 14. Kd1 f1=S 15. Sf3 Sg3 16. Te1 Sf5 17. Lf1 Sh6 18. Te3 Sg8
play all play one stop play next play all
Henrik Juel: Natch 3.1 did not find the solution in half an hour
Stopped at pos. 2 (2018-12-29)
paul: Cooked by Euclide 1.11: 1. Pd2-d3 Pe7-e5 2.Pf2-f4 Qd8-e7 3. Pf4-f5 Qe7-e6
4. Pf5xe6 Pf7-f5 5. Pe2-e4 Pf5-f4 6. Pe6-e7 Ke8-f7 7. Bf1-e2 Pf4-f3 8.Bc1-f4 Pf3-f2 9. Ke1-d2 Pf2-f1=Q 10. Qd1-c1 Qf1-f2 11. Kd2-d1 Qf2-h4 12. Pe7-e8=R Qh4-d8 13. Re8-e6 Bf8-e7 14. Re6-c6 Pb7xc6 15. Ng1-f3 Bc8-a6 16. Rh1-e1 Ba6-c4 17. Be2-f1 Bc4-e6 18. Re1-e3 Kf7-f6. (2019-11-5)
comment
Keywords: Unique Proof Game, Pronkin Theme (Ls)
Genre: Retro
Input: Gerd Wilts, 2010-6-3
Last update: Gerd Wilts, 2011-4-15 more...
88 - P1109578
Alois Johandl
Pat a Mat 10/1992
Arnold Pongracz MT
Lob
P1109578
(7+8)
s#7
1. Dh1+? Th2 2. ??
1. c4! h5 2. c5 a4 3. c6 a3 4. c7 a5 5. c8=T a4 6. Dh1+ Th2 7. Tc2 Txh1#
play all play one stop play next play all
SCHRECKE: Kurzlösung in 5 Zügen: 1.a4 h5 2.Sf7 Kg4 3.Sh6+ Kh3 4.Dh1+ Th2 5.Le5 T:h1# (2019-11-9)
comment
Keywords: Excelsior (T), Rückkehr nach Umwandlung
Genre: s#
Input: Frank Müller, 2010-7-3
Last update: Frank Müller, 2010-7-3 more...
89 - P1110155
Nikolajus Zujevas
Albinas Biciusas

1925 Sachmatija 04-06/2010
P1110155
(4+3) C+
s#7
Längstzüger
sDU=Grashüpfer
1. Sb4! c5 2. Sed5 cxb4 3. Sc3 bxc3 4. Df5 Ge5 5. Ka1 Gb2 6. Db5 Gb6 7. Db2+ cxb2#
play all play one stop play next play all
more ...
comment
Keywords: Maximummer
Pieces: du = Grasshopper (G)
Genre: Fairies
Computer test: popeye 3.61
Input: Frank Müller, 2010-7-10
Last update: Alfred Pfeiffer, 2019-10-24 more...
90 - P1112939
Joost de Heer
Dirk Borst

Andernach TT 2006
3. Platz
P1112939
(16+7)
BP in 11,5
2 Lösungen
Take & Make
1) 1. d3 Sf6 2. Lg5 Se4 3. Lxe7-e5 Dh4 4. Lxc7-c5 Le7 5. Lxa7-a6 Ta7 6. Lxb7-b5 Tc7 7. Lxd7-d5 Lb7 8. Lxf7-f5 Kf7 9. Lxh7-h6 Td8 10. Lxg7-g5 Kg6 11. Lc1 Lg5 12. dxe4-d2
2) 1. Sc3 Sf6 2. Sd5 Se4 3. Sxe7-e6 Dh4 4. Sxg7-g5 Le7 5. Sxh7-h6 Lg5 6. Sxf7-f6+ Kf7 7. Sxd7-d6+ Kg6 8. Sxb7-b5 Td8 9. Sxa7-a6 Ta7 10. Sxc7-c5 Tc7 11. Sxe4-c3 Lb7 12. Sb1
play all play one stop play next play all
paul: In 1), the first 10 moves tested by WinChloe 3.46 in 1h30min. (2019-11-9)
comment
Keywords: Unique Proof Game, Homebase (W), Take & Make, Initial Game Array (W)
Genre: Retro, Fairies
Reprints: (24) Mat Plus Review 13-14 08/2010
Input: Gerd Wilts, 2010-8-15
Last update: Alfred Pfeiffer, 2014-8-4 more...
91 - P1113684
Alexander Kislyak
332 Shakhmatnaya Kompozitsiya 54, p. 61, 2003
P1113684
(13+14)
#2
Henrik Juel: Solution
-1.Sh7 c3 -2.Db2 c4 -3.De5 c5 -4.Db8 c6 -5.c7-c8=D c7 -6.c6xSb7 Sd6 -7.c5 Se4 -8.c4 Sf2 -9.c3 Sh1 -10.c2 Sf2xDh1 -11.Dh2
and e.g. -11... Se4 -12.Kh1 Sd6 -13.Kg1 Sb5 -14.Kh1 Sc7xPb5 -15.Kg1 Sa6 -16.Kh1 Lf2 -17.b4 Le3 -18.Kg1 Lf4 -19.Kf2 etc. (2019-11-10)
Henrik Juel: The above is actually the somewhat tricky retroplay with the last 10.5 moves determined
The solution to the formal stipulation is:
0... Th7/Lh7 1.Txh7+ Lxh7/Txh7 2.Txh7# (2019-11-10)
comment
Keywords: Last Moves? (21)
Genre: Retro
Input: Nikolai Beluhov, 2010-8-27
Last update: Nikolai Beluhov, 2010-8-27 more...
92 - P1172525
F. B.
The Illustrated London News 1868
P1172525
(4+1) C+
#3
1. De1+! Kd6 2. De3 Kc6 3. Db6#
1. ... Kf5 2. De8 Kg5 3. Dh5#
play all play one stop play next play all
e091f
Mario Richter: Beim Autor "F.B." könnte es sich um F.B. Kemerton handeln, vgl. P1041765 (2019-10-21)
more ...
comment
Keywords: Miniature Collection (0321534), Rex solus (s), Aristocrat, Checking key
Genre: 3#
Computer test: Popeye 4.61
Reprints: XIII Die Schwalbe 7, p. 62, 04/1925
Input: Zuncke/Bruder, 2010-9-12
Last update: Alfred Pfeiffer, 2019-10-22 more...
93 - P1176628
Gunter Jordan
12398 Die Schwalbe 10/2004
P1176628
(13+12)
s#7
1. Df2+? gxf2+ 2. Kd2
1. Ta6? droht 2. Ta3+ Sb3 3. Df2+ gxf2#, aber 1. ... Da8! (aber auch brutal 1. ... bax6,Sxa6!)
1. Lg4+? Ke4,Kf4 2. Lc8+ Kf3 3. Lxb7+ Sd5 4. Ta6 Da8 5. Lxd5+ Dxd5 6. Df2+ gxf2#, aber 1. ... Txg4!
1. Lh6! (droht 2. Ld2 3. Df2+ gxf2#) Txh6! 2. Lg4+ Ke4,Kf4 3. Lc8+ Kf3 4. Lxb7+ Sd5 5. Ta6 Da8 6. Lxd5+ Dxd5 7. Df2+ gxf2#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-19)
comment
Keywords: Vorpläne, gestaffelte
Genre: s#
Input: Frank Müller, 2010-9-16
Last update: Frank Müller, 2010-9-16 more...
94 - P1177182
Ivan Soroka
2379 Tschorno-Bili Steshyny 06/2010
Spezielle ehrende Erwähnung
P1177182
(5+3) C+
s#7*
* 1. ... Sf2#
1. Sg7 Kd4 2. Se6+ Kd3 3. Sc5+ Kd4 4. Te4+ Kd5 5. Te6+ Kd4 6. Sb3+ Kd3 7. Te1 Sf2#
play all play one stop play next play all
more ...
comment
Keywords: Tempoverlustrückkehr, quasi
Genre: s#
Computer test: SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-9)
Input: Frank Müller, 2010-9-25
Last update: Erich Bartel, 2019-11-9 more...
95 - P1178381
Edgar Fielder
British Chess Magazine 03/1970
P1178381
(16+16)
13 erzwungene Duplex-Mattzüge mit 32 Steinen
HBae: Thur Row hat diese Stellung steingetreu nachempfunden: 22 Chess Ultimates 05/1970.
In einem kleinen Artikel werden die konstruktiven Änderungen gegenüber dem alten Rekord P1182003 (Fielder, 12) beschrieben. (2019-11-4)
comment
Keywords: Einzügerrekord (A21a4)
Genre: Fairies
Reprints: 22 Chess Ultimates 05/1970
CLXX feenschach 12 12/1972
R381 feenschach 19 01/1974
Input: HBae, 2010-10-18
Last update: Alfred Pfeiffer, 2019-11-19 more...
96 - P1180740
Johannes Bruski
7028 Deutsches Wochenschach 05/08/1906
P1180740
(5+7) C+
s#7
1. Da4+! La7 2. Dc2 Lb8 3. Lg4 La7 4. Lc8 Lb8 5. Da4+ La7 6. Lb7+ Kb8 7. Dc2 Ta1#
play all play one stop play next play all
Olaf Jenkner: vergleiche mit P1081768 (2010-11-21)
more ...
comment

Genre: s#
Computer test: Gustav 4.1a (Schrecke)
Reprints: (10) Festschrift des Akademischen Schachklubs München , p. 322, 1911
Input: Frank Müller, 2010-11-21
Last update: Marcin Banaszek, 2019-10-23 more...
97 - P1183851
Henk B. F. Boumeester
S1643 The Problemist 01/1996
P1183851
(11+6) C+
s#7
1. Tb6! d6 2. Tb2 b6,b5 3. axb6,ep a5 4. Lb1 a4 5. Td2 a3 6. e4+ fxe3ep 7. Sc2+ exd2#
play all play one stop play next play all
more ...
comment
Keywords: En passant
Genre: s#
Computer test: Gustav 4.1a, Brute Force
Input: Frank Müller, 2011-1-1
Last update: Alfred Pfeiffer, 2019-10-26 more...
98 - P1183978
Alexandr A. Derewtschuk
Volodymyr Chornous

1803 Tschorno-Bili Steshyny 03/2009
P1183978
(7+13)
s#10
Korrektur der 1737
1. Txg4 b3 2. Df1+ Kh2 3. Th4+ Kg3 4. Th3+ Kf4 5. Dxf3+ Ke5 6. Df6+ Ke4 7. Te6+ dxe6 8. Df3+ Kd4 9. Th4+ Ke5 10. Sxc6+ Sxc6#
5. ... Kg5 6. Dh5+ Kf4 7. Tf3+ Ke4 8. Dg4+ Ke5 9. Te6+ dxe6 10. Sxc6+ Sxc6#
4. ... Kg4 5. Dxf3+ Kg5 6. Dh5+ Kf4 7. Tf3+ Ke4 8. Dg4+ Ke5 9. Te6+ dxe6 10. Sxc6+ Sxc6#
play all play one stop play next play all
Anton Baumann: nach 5.Dxf3+ Ke5 kürzer: 6.T3h6 nebst 7.The6+ dxe6 8.Sxc6+ Sxc6#
nach 5. .. Kg5 DL: 6.Dg2+ Kf4,5 7.Tf3+ Ke4,5 8.Dg4+ nebst 9.Te6+ dxe6 10.Sxc6+ Sxc6# (2019-10-21)
comment

Genre: s#
Input: Frank Müller, 2011-1-2
Last update: Frank Müller, 2011-1-2 more...
99 - P1186129
Camillo Gamnitzer
S2217 The Problemist 05/2008
3. Preis
P1186129
(13+12) cooked
s#7
1. Lxd5? droht 2. Tf3+
1. ... Lxg4+ 2. Lf3 Lh3!
1. a5! droht 2. Da3+ Kxc4 3. Da4+ Kd3 4. Db5+ c4 5. Txd4+ Kxd4 6. Db6+ Kd3 7. De3+ Sxe3
1. a5! dxc4 2. Ld5 droht 3. Tf3+
2. ... Lxg4+ 3. Lf3 Lh3 4. Dc3+ dxc3 5. Le4+ Kd4 6. Lc2+ Kxe5 7. Txh4+ Sxg3#
1. a5! hxg3,Tb8 2. Lxd5 Lxg4+ 3. Txg4,Sxg4 Th1 4. Txg3+,Tf3+
play all play one stop play next play all
Cook: Kurzlösung:
1. Dc2+ Ke3 2. Dxf2+ Kd3 3. Dc2+ Ke3 4. Ke1 ... 5. Dd2+ Sxd2# (Schrecke)
SCHRECKE: Kurzlösung in 5 Zügen: 1.Dc2+ Ke3 2.D:f2+ Kd3 3.Dc2+ Ke3 4.Ke1 - 5.Dd2+ S:d2#
Hier fehlt wohl ein wBd2! (2019-11-10)
Henrik Juel: With wPd2 added, the position is still legal, but just barely:
White captured b5xb6, hxg, and crosscaptured above [Pf7,g7]
Black captured axb, exd, and promoted twice on b1 (2019-11-10)
SCHRECKE: P1267194 zeigt die Stellung mit wBd2. (2019-11-14)
comment

Genre: s#
Input: Frank Müller, 2011-1-29
Last update: Alfred Pfeiffer, 2019-11-14 more...
100 - P1186176
Ulrich Auhagen
Manfred Zucker

1319 idee & form 01/2001
Informalturnier 2000/01
2. ehrende Erwähnung
P1186176
(9+6) C+
s#7
1. Dg5? h5? 2. De3+ Sxe3#, aber 1. ... gxh4!
1. Txh6? b6? 2. Dg5 b5 3. De3+ Sxe3#, aber 1. ... b5! 2. Dg5=
1. De8+! Se7 2. Db5+ Sd5 3. Txh6 b6 4. De8+ Se7 5. Dh5+ Sf5 6. Dg5 b5 7. De3+ Sxe3#
play all play one stop play next play all
more ...
comment

Genre: s#
Computer test: SCHRECKE: C+, Gustav 4.1a, Brute Force (2019-11-9
Input: Frank Müller, 2011-1-29
Last update: Erich Bartel, 2019-11-9 more...
Show statistic for complete result.

The problems of this query have been registered by the following contributors:

Gerd Wilts (31)
Torsten Linss (2)
Frank Müller (22)
Selbstmatt-Miniaturen/Reflexmatt-Miniaturen (10)
Brian Stephenson (26)
hpr (3)
HBae (4)
Nikolai Beluhov (1)
Zuncke/Bruder (1)