172 problem(s) found in 1490 milliseconds (displaying 100 problem(s)).

1 - P0001547
Andrey Frolkin
Andrej N. Kornilow

418 Europe Echecs 292 04/1983
dedicated to K P Q N N P B R
1. ehrende Erwähnung
P0001547
(27+0)
Das Brett ist nicht gefärbt.
1) Färbe das Brett,
2) Bestimme die Art und Farbe der Steine,
3) Welches war der letzte Zug?
4) Wem ist das Problem gewidmet?
hans: Turn board 90°
Last move 0-0+
White:Kg1,Tf1,Te1,Lb6,Sf7,a5,b4,c3,d2,d7,f2,g2,g7, (13)
Black:Kc1,Da8,Ta4,Lb2,Sa2,Sb3,a7,b7,c5,d4,e5,f4,g3,(14)
captures White: exd hxg Black: fxe gxf hxg (5)
A=Bauer C=König D=Toren I-Dame L=Springer U=Laufer
For 4) probably a name with those six letters A-C-D-I-L-U (2012-2-22)
Henrik Juel: The answer to part 4) is, I think, Michel Caillaud, as his last name only uses the six letters in the problem (2012-2-22)
Alain Brobecker: Dedication was given with pieces symbols. This eases things a lot! (2012-2-22)
Brassaud: Wem ist das problem gewidmet ? My ‘april fool ‘solution.
Probably a name with those six letters : KPQNNPBR … for King, Pawn, Queen etc … Which suggests: ACDILU and so Michel CAILLAUD. But this is a code, and there is no reason to say that it is not the coding of other letters.Chess problem Data Base Server contains several ' retro ' problem authors whose names contain 6 different letters.
When classifying by number of published problems, we can find : M. Caillaud, L. Ceriani, T. Dawson, W. Dittmann, T. Steudel, A. Kisljak, A. Buchanan, G. Donati, T. Kardos, N. Dupont, W. Frangen, D. Baibikow, E. Bartel, P. Kniest, M. Richter etc. .. (and even, but very far behind : F. Brassaud)- So everyone has to make a choice. (2017-12-9)
Henrik Juel: Curious that so many well-known composers happen to have exactly six different letters in their last names (2017-12-9)
Olaf Jenkner: Footballers have eleven different letters in their last names. (2017-12-9)
comment
Keywords: Last Move?, Castling (wk)
Genre: Retro
Input: Gerd Wilts, 1995-6-3
Last update: Alain Brobecker, 2012-2-22 more...
2 - P0001555
Philippe Serfati
426 Europe Echecs 301 01/1984
P0001555
(12+14)
#1
Welches war der letzte Zug des weißen Königsläufers?
Brassaud: White : dxe, hxg - Black : exdxcxbxa
White checkmate : Qe5#
Rétro : 1)… a2=S 2) b2, b3xa2 3) De4, cxSb3 3) Td2, dxLc4 4) Lf1 (last move), d6 5) e2, Ld4 …. (2017-12-11)
comment
Keywords: Last move of a specific piece?, Non-standard material
Genre: Retro
Input: Gerd Wilts, 1995-6-3
Last update: Gerd Wilts, 2004-8-10 more...
3 - P0001566
Andrey Frolkin
436 Europe Echecs 307 07-08/1984
Lob
P0001566
(22+0)
Färbe die Steine! Welches war der letzte Zug?
Henrik Juel: White: Kg8, Qh8, Bf8,g3, Pa2,a6,b3,c2,d2,f2,h7 (11+11). -1.B=g7:S. (2003-11-20)
Brassaud: The solution proposed by Henrik does not seem appropriate. White: Kg8, Qh8, Bf8,g3, Pa2,a6,b3,c2,d2,f2,h7. So : Queen g8 and one of the two bishops are promotions, and seven pawns ?
Whatever the color of the pieces : on the diagram there are eleven pawns, at least three queens promotion and two bishops promotion (four bishops on black fields). Total sixteen pawns (or equivalents after promotion). So there is the necessary presence of the two originals queens.
The queen in g8 is a white promotion (last move g7xh8 = D +)
If the king f6 is black: the queens d6 d8 f4 and h6 are black. The white queen from e1 is absent.
If the king f6 is white: the queens d6 d8 f4 and h6 are white. This is the black queen from e8 who is absent.
Could this be a diagram error (2017-12-13)
Brassaud: erratum : queen in h8 (2017-12-13)
Mario Richter: Henrik's solution is absolutely legal - wQh8 is the original wQueen and last move was: g7xSf8=L+. (2017-12-13)
Brassaud: Sorry I had not understood the last move B=g7:S, it's easier with g7xSf8=L+. Thank you Mario. (2017-12-13)
Henrik Juel: In my uninformed youth I wrote in English, also for the men (S=knight), with very abbreviated notation in retroplay
-1.B=g7:S reads 'bishop unpromotes (=) to g7, uncapturing (:) a knight' (this is sufficient, as there is no bishop on h8)
Nobody else thought this was a good idea, and now I use KDTLSP for the men and full notation for uncaptures, e.g., -1.g7xSf8=L
Sorry about the confusion, Francois (2017-12-13)
Henrik Juel: For this enjoyable problem I should also have written the pawn play, like
White: e2xd3x..xa6, g7xSf8=L
Black: c3xb2, dxe, fxe, e1=D three times, gxh, hxg, g1=L (2017-12-13)
comment
Keywords: Last Move?, Coloring problem, Promotion
Genre: Retro
Input: Gerd Wilts, 1995-6-3
4 - P0001598
Michel Caillaud
468 Europe Echecs 334 10/1986
P0001598
(15+11)
#1 (wer?)
1. c1=S# (1. Sxb3#??
R: 1. Sg2-e1 La2-b1 2. Sh4-g2 Lb1-a2 3. Sg6-h4 La2-b1 4. Sh8-g6 Lb1-a2 5. Sf7-h8 La2-b1 6. 7. Sd8-f7 Lb1-a2 8. Sc6-d8 La2-b1 9. Sb4-c6 La2-b1 10. Sa2-b4 b4-b3 11. Sc1-a2 ... 12. Se2-c1 ...13. Sg3-e2 ...14. Sh5-g3 ... 15. Sg7-h5 ... 16. Se8-g7 ... 17. Sc7-e8 .... 18. Sa8-c7 .... 19. a7-a8=S .... 20. a6-a7 .... 21. a5-a6 .... 22. a4-a5
Springerkreisel
play all play one stop play next play all
Henrik Juel: Black has the move; the retroplay is -1.Sg2 Ba2 ... -8.Sb4 Bb1 -9.Sa2 b4 -10.Sc1 Ba2 ... -17.Sa8 ... -18.S=a7 etc. (2003-4-22)
Renny Bosch: Aside from that sensational 1 5/8 full circle Knight tour, this composition has some additional challenges. One never really knows one has seen all of a composition's beauty until one has actually produced a proof game. In this case a pawn analysis shows that white Pawns h and g have captured on g and f, exd, dxc, cxb6, bxc3, and a has promoted, black Pawn a has captured on b, and h has promoted. The question is, what happened to the piece that the black h Pawn promoted to? It cannot be one of the pieces still on the board, so it must have been one of the white Pawn capturees, but which one? The only way to unlock the central cluster is to uncapture a white Knight on b5, then walk the bK to b5 and the wQ to d4, after which the wPd6 can uncapture from e5.

Here is a PG (as pretty as I could make it) that shows the whole thing: 1. a4 b5 2. c4 c6 3. c5 Qb6 4. cxb6 c5 5. Ra3 c4 6. Re3 c3 7. Re6 c2 8. e4 Na6 9. e5 Nc5 10. a5 Na4 11. h4 Nc3 12. bxc3 Bb7 13. Ba3 Bd5 14. Bc5 Bb3 15. Be3 b4 16. g4 Rc8 17. g5 Rc4 18. Qe2 Re4 19. Qd3 Kd8 20. Qd4 Kc8 21. Bc4 Kb7 22. Bd5+ Ka6 23. Ke2 Kb5 24. Kd3 f5 25. Rh2 f4 26. Rg2 f3 27. Rg3 h5 28. Rg4 Nf6 29. gxf6 g5 30. Rf4 g4 31. Ne2 Rg8 32. Ng1 Rg5 33. Ne2 Rf5 34. Ng1 Bh6 35. Ne2 Bg5 36. hxg5 h4 37. Ng1 h3 38. Ne2 h2 39. Ng1 h1=Q 40. Ne2 Qh8 41. Ng1 Qb8 42. Ne2 Qd6 43. exd6 a6 44. Qe5 Ba2 45. Nd4+ Kc5 46. Na3 Bb1 47. Nab5 axb5 48. a6 Ba2 49. a7 Bb1 50. a8=N Ba2 51. Nc7 Bb1 52. Ne8 Ba2 53. Ng7 Bb1 54. Nh5 Ba2 55. Ng3 Bb1 56. Nge2 Ba2 57. Nc1 Bb1 58. Na2 b3 59. Nb4 Ba2 60. Nbc6 Bb1 61. Nd8 Ba2 62. Nf7 Bb1 63. Nh8 Ba2 64. Ng6 Bb1 65. Nh4 Ba2 66. Ng2 Bb1 67. Ne1 (2007-12-11)
Brassaud: Fantastic ride of the white knight, bravo Michel Caillaud. Yes we can unpromote rook e4 still present on the board. PG 1) c4, f5 2) Sh3, f4 3) Sg1, c6 4) Dc2, b5 5) Db3, Sa6 6) Da4, Sc5 7) Dd1, Se4 8) c5, Sd6 9) g4, Sf6 10) g5, Tg8 11) g5xSf6, g5 12) e4, g4 13) e5, Lb7 14) Se2, Db6 15) c5xDb6, c5 16) e5xSd6, c4 17) a4, Tg5 18) h4, Tf5 19) Th3, Lh6 20) Te3, Lg5 21) Te6, Le4 22) Sc3, Lb1 23) Sd5, c3 24) Sg3, c2 25) a5, O-O-O 26) Sc7, Kb7 27) Sa8, Tc8 28) h4xLg5, Tc3 29) b2xTc3, h5 30) Lg2+, Ka6 31) Ld5, h4 32) Ke2, f3+ 33) Kd3, h3 34) Ta4, h2 35) Tf4, h1=T 36) De2, Th8 37) De5, Tc8 38) Se2, Tc4 39) La3, Te4 40) Lc5, b4 41) Le3, Kb5 42) Sd4+, Kc5 43) Sc7, a6 44) Sb5, a6xSb5 (the cage is closed) 45) a6, La2 46) a7, Lb1 47) a8=S, La2 48) Sc7, Lb1 49) Se8, La2 50) Sg7, Lb1 51) Sh5, La2 52) Sg3, Lb1 53) Se2, La2 54) Sc1, Lb1 55) Sa2, b3! 56) Sb4, La2 57) Sc6, Lb1 58) Sd8, La2 59) Sf7, Lb1 60) Sh8, La2 61) Sg6, Lb1 62) Sh4, La2 63) Sg2, Lb1 64) Se1, … c1=S# (2017-12-16)
Henrik Juel: typo in official retro play:
move 6. is empty, so all subsequent numbers are wrong (2017-12-16)
comment
Keywords: Whose move?, Retro Opposition, Promotion
Genre: Retro
Reprints: Die Schwalbe 120 12/1989
Input: Gerd Wilts, 1995-6-3
Last update: Gerd Wilts, 2003-4-22 more...
5 - P0001599
Leonid M. Borodatow
469 Europe Echecs 334 10/1986
A. Hazebrouck gewidmet
P0001599
(10+15)
#1
AV: Les Noirs ont le trait et matent par ...g3#. Derniers coups : 1 e3-e4 (ou d3xCe4) Ce5-d7+ 2 e4-e5 Cd7-f6 3 b2-b3 Cf6-e8 4 a2-a3 Tc3-f3+ 5 Rf4-e4 Tf3xb3+ 6 Re4-f4 Tb3-f3+ 7 Rf4-e4 Tf3xa3+ 8 Re4-f4 Ta3-f3+ 9 Rf4-e4. (2005-6-27)
Brassaud: Alain Villeneuve proposes : 1)Kf4e4, Ta3f3+ 2)Ke4f4, Tf3xa3+ 3)Kf4e4, Tb3f3+ 4)Ke4f4, Tf3xb3+ 5)Kf4e4, Tc3f3+ 6)a2a3, Sf6e8 7)b2b3, Sd7f6 8)e4e5, Se5d7+ Then he proposes d3xSe4 or e3e4. I think that the sequence d3xSe4 is not legal : 9) d3xSe4, Sf6e4 ? 10) d2d3 What else? and the white bishop can not go back to c1. The only possibility is 9)e3e4, Ta3c3 10)Ke4f4, Sf3e5+ 11)Tf5d5 … (2017-12-17)
Henrik Juel: I think that both of Alain's suggestions work
-9.d3xSe4 Sd2! -10.Ke4 Sf3-d2 -11.Kf4 Tb3 -12.Ke4 and, e.g., -12... Sc6 -13.Tf5, and there is no more time pressure (2017-12-17)
Brassaud: Agree with you Henrik, it's an oversight on my part for the shield 10 Cd2f3 (I progress slowly taking advantage of my mistakes) (2017-12-17)
comment
Keywords: Whose move?, Uncapture of pieces by pieces
Genre: Retro
Input: Gerd Wilts, 1995-6-3
6 - P0001974
Thomas R. Dawson
Eskilstuna-Kuriren 1917
P0001974
(11+15)
#3
Henrik Juel: 1.Tb5 Txg6+ 2.Lxg6. -1... d5 -2.Lf4 Tf8 -3.Dg3 Dh3 -4.Dh2 Sg3 -5.Dh1 Lh2 etc. (2004-3-18)
Erich Bartel: Nachdrucke:
1) Retro Opposition, 1989.---
2) Problemkiste (66) XII 1989.--- (2007-4-15)
Yoav Ben-Zvi: Might be the earliest publication of a sound problem showing Retro-Opposition (on g3 after -1...BPd5-d4 -2.Bf4-g3) It may also be the first instance of "Sliding Block" (Verschiebepuzzle) without conditions. Appears as D918 in Dawson's booklet on Retro-Opposition. (2017-12-5)
comment
Keywords: Cant Castler, Castling (sk)
Genre: Retro
Reprints: Problemkiste (66) 12/1989
Input: Gerd Wilts, 1995-6-3
Last update: Erich Bartel, 2013-7-27 more...
7 - P0002611
Raymond Smullyan
The Chess Mysteries of Sherlock Holmes , p. 26, 1979
P0002611
(3+1)
Ergänze einen wL auf e3 oder e4!
Monochromes Schach
+wLe3
play all play one stop play next play all
Forderungs-Alternative: Einfarben-Schach. Auf dem Brett steht ein unsichtbarer Läufer. Steht er auf einem schwarzen oder einem weißen Feld?
Yoav Ben-Zvi: In the book (page 26) the WB is placed between e3 and e4. It seems simpler to represent this with WB on e4, the stipulation "Monochrome chess. Is the position legal?" and a Twin b) WBe4 to e3. Proof of illegality with WB on e4: There is no piece that could perform the last capture on a dark square since no piece on the board is capable of a dark-squared capture and it could not be a piece that is missing since such a piece would itself have been captured later on a dark square. Smullyan's version uses poetic language including the metaphor of a Bear and a Lion fighting until each has entirely devoured the other. Essentially the argument uses the well-known mathemtical technique of "Infinite descent" leading to "Reductio ad Absurdum": It can be shown that assuming the existence of a "minimal" instance that has some property (such as most recent capture on a dark square) leads to the conclusion that it is not really minimal (there is a more recent capture on a dark square) so the assumption leads to self contradiction and is therefore not true. A formal definition of this method was developed by Fermat (17th Century) but it was used as far back as Euclid's "Elements" (300 B.C.). (2017-12-14)
Henrik Juel: It might be simpler to consider the retroplay:
With Le4 there is no way of producing a dark-squared man by uncapture (2017-12-14)
Brassaud: With Le4 it seems possible to producing a dark-squared man with the retroplay : 1) Lc2-e4, Kd7-e8 2) Ld3xPc2, b3xPc2 3) Ld3-e4, a4xb3 ep 4) b2-b4... But the position remains illegal as shown with the metaphor of the lion and the bear. (2017-12-15)
Henrik Juel: Good point, Francois
But the en passant trick still cannot create a full retroplay back to the initial position with 32 men
I should have written 'officer' instead of 'man' (2017-12-15)
Yoav Ben-Zvi: Henrik's modified claim that "with WBe4 there is no way of producing a dark-squared officer by uncapture" is correct but I do not see a simple way to prove it directly. A "lion and bear" type argument with retroplay could ask "Which of the pieces that move on the dark squares was the first to uncapture?". It should be noted that this piece could not be a pawn that was itself uncaptured e.p. (since the history of such a pawn does not include an uncapture) and that proving that such a piece does not exist proves illegality (since it implies that dark-squared officers such as BQd8 could not be uncaptured). A similar clarification is needed when applying the argument to forward moves.
The Homebase position of the diagram is an IC. It could be presented (optionally adding a WB on f1 and/or a BB on c8) with the stipulation "Is the position legal?" and the Twin b)-WPf2. (2017-12-17)
comment
Keywords: Monochrome, Add pieces (L)
Genre: Retro
Reprints: Schach mit Sherlock Holmes 1982
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-14 more...
8 - P0002624
Raymond Smullyan
The Chess Mysteries of Sherlock Holmes , p. 66, 1979
P0002624
(12+13)
Ergänze einen wB auf f4 oder f5!
1) +wBf5
play all play one stop play next play all
Henrik Juel: The dark-squared bishops were captured by officers, so the pawn captures were c7xSb6, d7xLc6 by Black and exLf, f2xSg3 by White (when the pawn has been added)
The forward sequence was e2-e3 (or e2-e4) before d7xLc6 before exLf on a light square, so [Pe2] could not reach f4, and the undetermined capture was e4xLf5.
This simple idea was later shown more elegantly in P1012384.
more ...
comment
Keywords: Add pieces
Genre: Retro
Reprints: Schach mit Sherlock Holmes 1982
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-15 more...
9 - P0003451
Knud Harald Hannemann
3823 Stella Polaris 03/1971
P0003451
(6+8) cooked
h#2
1) 1. gxf3ep 0-0-0 2. Te7 Th4#
2) 1. cxd3ep 0-0 2. Da4 Txa4#
play all play one stop play next play all
AB: I think this is cooked. I don't see how AP castling can justify earlier ep here.
1. Kf3 Bf5 2. Kg2 Be4#
1. Kf3 Bxd7 2. Kg2 Bc6#
1. cxd3 Rf1 2. Qa4 Rxa4#
1. gxf3ep Ra5 2. Kf4 Rh4#
1. gxf3ep Rd1 2. Re7 Rh4#
Also, second solution given has typos 1. *c*xd3ep & 2. Q*a*4. (2002-3-21)
V.Liskovets: Indeed this problem is cooked, and I
failed to correct it preserving symmetry.
Here is a possible correction:
W: Ke1 Ra1 Rh1 Be6 Pd4 Pf4
B: Ke4 Qd7 Rf7 Pc3 Pc4 Pe3 Pg3 Pg4 Bh7 Rb2 Pb3

Another story, justifying its contents (e.p.).
In my opinion, all published treatments are
insatisfactory (the same concerns P0004295
(corrected) by Werner Kuntsche as well).
There is a way to make it sound under the
sophisticated HYBRID stipulation 'AP, pRA':
2 partial solutions legalized JOINTLY by
both castlings (details to be published). (2002-4-2)
more ...
comment
Keywords: Castling (wkwg), En passant as key, a posteriori (AP)
Genre: h#, Retro
Reprints: (65) problem 144-147 12/1971
(8) StrateGems SG19, p. 156, 07/2002
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-4 more...
10 - P0003719
Werner Keym
(Q) Die Schwalbe 16, p. 394, 10/1972
H.-D. Leiß gewidmet
P0003719
(3+4)
h#2
pRA
1) 1. Kc2 Ta2 2. Kc1 0-0#
oder
2) 1. Tf2 0-0-0 2. Ke2 The1#
play all play one stop play next play all
siehe P0534178
more ...
comment
Keywords: Cant Castler, Castling
Genre: h#, Retro
Reprints: (IV) problem 152-156 04/1973
(2) StrateGems SG19, p. 156, 07/2002
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-4 more...
11 - P0003738
Arpad Molnar
2775v Magyar Sakkelet 11/1960
P0003738
(11+12) cooked
h#2
3.1...
1) 1. Dxa4 Txa4 2. 0-0 Txg4#
2) 1. Txd8 0-0 2. Dd7 Tae1#
3) 1. Tf2 0-0-0 2. Tff8 The1#
play all play one stop play next play all
Cook: NL
1. Txd8 Th7 2. Tc8 bxc8=D,T#
V.Liskovets: C+?? Cooked in this form:
1.Txd8 Th7 2.Tc8 b7xc8T #

My correction (to be published):
bDc6-a6, bLa8-c6, bLa7-a3, wLa4-b5

A unique "typ Keym" problem with
3 castlings (and 3 RVs).

29.9.2000 (2000-9-29)
G. Wilts: This was a display mistake (all problems were displayed as C+!). The problem is of course not C+. (2000-9-29)
more ...
comment
Keywords: Retro variants (RV, pRA), Castling
Genre: h#, Retro
Reprints: (9) StrateGems SG19, p. 157, 07/2002
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-2 more...
12 - P0003821
Pierre Gre
RA23 diagrammes 18 11-12/1975
P0003821
(6+5)
h#2
1) 1. Lf8 0-0-0 2. Lb4 Sb1#
2) 1. Kb2 0-0 2. Lc3 Tfb1#
play all play one stop play next play all
more ...
comment
Keywords: Castling (wkwg), Retro variants (RV, pRA)
Genre: h#, Retro
Reprints: (3) StrateGems SG19, p. 156, 07/2002
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-4 more...
13 - P0004295
Werner Kuntsche
1777 problem 73-78 06/1961
P0004295
(5+6)
h#3
Mario Richter: Doublette von P0002476 (2010-10-10)
more ...
comment
Keywords: Castling (wkwg)
Genre: h#, Retro
Reprints: (7) StrateGems SG19, p. 156, 07/2002
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-2 more...
14 - P0004532
György Paros
Magyar Sakkelet 1954
1. Preis
P0004532
(5+9) C+
h#3
2 Lösungen
1) 1. 0-0-0 0-0 2. Kb7 Tfb1+ 3. Ka6 Txa4#
2) 1. Lxe4 0-0-0 2. 0-0 Tdg1+ 3. Kh7 Txh5#
play all play one stop play next play all
Da Schwarz am Zug ist, muß Weiß im letzten Zug entweder einen der Türme oder den König gezogen haben. Es ist deshalb nur eine der beiden Rochaden legal.
klären: Retrogehalt? darf Weiß rochieren?
klären award: 1. oder 2. Preis?
more ...
comment
Keywords: Retro variants (RV, pRA), Castling
Genre: h#, Retro
Reprints: 1313 FIDE Album 1945-1955 1964
(VI) problem 152-156 04/1973
(17) StrateGems SG19, p. 159, 07/2002
Input: Gerd Wilts, 1995-6-3
Last update: Alfred Pfeiffer, 2017-12-2 more...
15 - P0006560
Peter Fayers
Christopher Cedric Lytton

F1557R The Problemist 05/1995
P0006560
(11+13)
Wo wurde was geschlagen?
Die Springer wurden durch Equihopper ersetzt.
wSL,sSL=Equihopper
paul: See P1001280 (2017-12-2)
comment

Pieces: sl = Equihopper (E)
Genre: Retro, Fairies
Input: Gerd Wilts, 1996-6-16
Last update: Alfred Pfeiffer, 2017-12-2 more...
16 - P0007077
Werner Keym
(I) Die Schwalbe 18, p. 432, 12/1972
H. D. Leiss gewidmet
P0007077
(3+3)
h#2 (RV)
1) 1. Kc3 0-0-0 2. Tc4 Th3#
2) 1. Kc2 Ta2+ 2. Kc1 0-0#
play all play one stop play next play all
Nur eine der beiden Rochaden ist zulässig.
more ...
comment
Keywords: Retro variants (RV, pRA), Castling in the forward play, Castling
Genre: Retro
Computer test: Popeye C-Version 3.42 (1024 KB)
Reprints: D18 feenschach 27, p. 27, 04/1975
(1) StrateGems SG19, p. 156, 07/2002
Input: Gerd Wilts, 1996-8-13
Last update: Alfred Pfeiffer, 2017-12-4 more...
17 - P0008779
Waleri A. Liskowez
7161 feenschach 123 01-06/1997
P0008779
(4+8)
h#2
a) pRA
b) wSe2 statt wBe2: 2.1...
a)
1) 1. Ke4-f4 0-0+ 2. Kf4-g3 Tf1-f3#
2) 1. Ke4-d4 0-0-0+ 2. Kd4-c3 Td1-d3#

b)
1. Ke4-e3 Th1xh2 2. e5-e4 Th2-h3#
1. Ke4-f3 Ta1-a3+ 2. Kf3-g2 Th1-g1#
play all play one stop play next play all
VL: Solution:
(a) I 1.Ke4-f4 0-0+ 2.Kf4-g3 Rf1-f3#
II 1.Ke4-d4 0-0-0+ 2.Kd4-c3 Rd1-d3#

(b) 1.Ke4-e3 Rh1*h2 2. e5-e4 Rh2-h3#
1.Ke4-f3 Ra1-a3+ 2.Kf3-g2 Rh1-g1#

In (a), the solution depends on legal castling.
But when both castlings are legal (b), we need not castling at all. (2002-4-5)
more ...
comment
Keywords: Retro variants (RV, pRA), Castling, Forsberg twin
Genre: Retro
Reprints: (4) StrateGems SG19, p. 156, 07/2002
Input: Gerd Wilts, 1997-6-16
Last update: Alfred Pfeiffer, 2017-12-4 more...
18 - P0525133
Jan Ingvar Hannelius
13010 Tidskrift för Schack 06-07/1972
P0525133
(4+4) C+
h#2
2.1...
1) 1. f2+ Kxf2 2. 0-0 Tag1#
2) 1. Tg8 0-0-0 2. Tf8 The1#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if O-O-O is illegal. The genre and the soundness can be recovered by a shift of wPa2. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wgsk)
Genre: h#
Computer test: Popeye C-Version 3.47 (1024 KB)
Input: Markus Manhart, 1998-2-16
Last update: Alfred Pfeiffer, 2017-11-27 more...
19 - P0525390
Herbert Hultberg
4682v The Fairy Chess Review 02/1941
P0525390
(7+10) C+
h#3
2.1...
wenn Ta1 gezogen:
1) 1. cxb2 0-0 2. b1=S(L,T,D) Txb1 3. 0-0-0 Tc1#
wenn Th1 gezogen:
2) 1. g3 0-0-0 2. gxh2 Txh2 3. 0-0 Tg1#
play all play one stop play next play all
more ...
comment
Keywords: Cant Castler, Echo, Castling
Genre: h#, Retro
Computer test: Popeye C-Version 3.47 (1024 KB)
Reprints: (75) problem 127-132 09/1969
(15) StrateGems SG19, p. 158, 07/2002
Input: Markus Manhart, 1998-2-16
Last update: Alfred Pfeiffer, 2017-12-4 more...
20 - P0533945
Armand Lapierre
? 16/07/1937
P0533945
(4+6) C+
h#2
1. Lc5 0-0-0 2. 0-0 Tdg1#
play all play one stop play next play all
quelle Mirroir du Monde?
Klären Quelle
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if w O-O is legal. The genre and the soundness can be recovered by a shift of wPa. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wgsk)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1997-9-30
Last update: Arnold Beine, 2017-11-26 more...
21 - P0534185
Carl Erik Israel Lind
2567 Eskilstuna-Kuriren 22/09/1937
P0534185
(3+6) C+
h#3*
0.1...
*) 1. ... ... 2. Kc2 Txa2+ 3. Kc1 0-0#
1) 1. ... Th2 2. Tc4 Tc2 3. Te4 0-0-0#
play all play one stop play next play all
VL: When Bl has the move, only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if O-O is illegal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.52 (2048 KB)
Input: Andreas Mokosch, 1997-10-17
Last update: Alfred Pfeiffer, 2017-11-26 more...
22 - P0534189
Julius Dohrn-Lüttgens
829 FEENSCHACH 09/1951
P0534189
(11+6) C+
h#4
3.1...
1) 1. Th4 0-0-0 2. Txh2 Tdg1 3. Txg2 Txh7 4. Th2 Txg8#
2) 1. Ta4 0-0 2. Txa2 Tfb1 3. Txb2 Txa7 4. Ta2 Txb8#
3) 1. Kf8 0-0 2. Txe2 Tae1 3. Txf2 Te7 4. Tf7 Tfxf7#
play all play one stop play next play all
more ...
comment
Keywords: Castling (wkwkwg)
Genre: h#
Computer test: Popeye C-Version 3.52 (2048 KB)
Reprints: (18) StrateGems SG19, p. 159, 07/2002
Input: Andreas Mokosch, 1997-10-17
Last update: Alfred Pfeiffer, 2017-12-4 more...
23 - P0534191
Peter Rolf Orlik
9834vv Schach-Echo 23-24, p. 383, 12/1978
P0534191
(3+5) C+
h#2
b) sKg2 nach b3
a) 1. Tf2 0-0-0 2. Tf3 Tdg1#
b) 1. Tgc3 0-0 2. Kb2 Tfb1#
play all play one stop play next play all
Korrektur zu P1312481
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wkwg), Aristocrat
Genre: h#
Computer test: Popeye C-Version 3.47 (1024 KB)
Input: Andreas Mokosch, 1997-10-17
Last update: Arnold Beine, 2017-11-26 more...
24 - P0534194
Karl Henke
1128 Schachmatt 06/1948
P0534194
(4+3) C+
h#2*
* 1. ... 0-0-0+ 2. Ke2 Td2#
1. Kc2 Ta2+ 2. Kc1 0-0#
play all play one stop play next play all
VL: When Bl has the move, only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if O-O is illegal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-25)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Reprints: 3 Die Schwalbe 241, p. 372, 02/2010
Input: Andreas Mokosch, 1997-10-17
Last update: Alfred Pfeiffer, 2017-12-4 more...
25 - P0534195
Zdravko Maslar
1669 problem 07/1966
P0534195
(4+3) C+
h#2*
* 1. ... 0-0-0+ 2. Ke2 Td2#
1. Kc2 Ta2+ 2. Kc1 0-0#
play all play one stop play next play all
VL: When Bl has the move, only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if O-O is illegal. The genre and the soundness can be recovered by an additional technical wP.
Reprints: (23) StrateGems SG19, p.159, 07/2002 (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Reprints: (23) StrateGems SG19, p. 159, 07/2002
Input: Andreas Mokosch, 1997-10-17
Last update: Alfred Pfeiffer, 2017-11-26 more...
26 - P0534300
Luigi Ceriani
Turnier des Jugosl. SPB 1949
1. Preis
P0534300
(11+14)
h#2.5
Nur Schwarz darf noch rochieren: 1. ... Sg5 2. 0-0 c8=D 3. Kh8 Dxf8#
Nur Weiß darf noch rochieren: 1. ... 0-0-0 2. Dxe3 Te1 3. De7 c8=D,T#
play all play one stop play next play all
A.Buchanan: Earlier comments are misguided - it would be merciful Gerd if you could hide them. (1) I am pretty sure there is a typo, and Sc4 should be on c5. (2) The stipulation should be h#2.5 2 solutions. (3) This works fine as a PRA problem with two parts. (2010-3-2)
Thomas Volet: The position as given is the position in the Ceriani book. The following inscription also appears in that source: "Arrocco Camaleonte". (2010-3-7)
Kenneth Solja: 1. ... 0-0-0 2. De3 Te1 3. Se7 c8=T(D)#. Something in this cook isn't right. Blacks move Se7 isn't possible from the diagram and if queen goes to e7 then it is author's intended solution, not a cook. (2010-3-8)
Henrik Juel: Here is an attempt at analysis.
White captured [Lc8] on c8 and axb8=L; Black captured [Lc1] on c1 and a7xb6, c7xd6, e7xf6, and h3xLg2, and promoted on g1.
Trying to preserve both castlings fails:
Unpromote on g1, retract h2-h4, h3xLg2, and g2-g3; then Lh2 (now on g1, say) can exit, and [Th1] can reach h1 via f3 when it has been uncaptured. But retracting Lh2 to g8 is not sufficient, we must also get La7 out of the way. If Ke1, Pf4, and Th8 are not retracted, the only path available to La7 and Lh2 is a7-b8-c7-d8-e7-f8-h6-g5-h4-f2-g1, so sidetracking is impossible, and the two bishops cannot pass each other.
Giving up one of the castlings allows a relatively easy release.
Something like this was probably the intention, and I think Ceriani would write the stipulation as h#2.5 if this had been in use in 1949. He would consider the problem to have one solution (for each part of the history).
The 1... Tc1 cook is a minor issue. It is probably due to a typo in the Ceriani book; if not, it is easily fixed. (2010-3-12)
Gerd Wilts: The cook was fixed by Ceriani in 1961 by moving sSc4 to c5. (2016-2-18)
Henrik Juel: Stipulation should be h#2.5
The point of retro-analytical interest is that the castlings are mutually exclusive; there is a solution for each part of the game history, so you should write
If Black may castle: 1... Sg5 2.0-0 c8=D 3.Kh8 Dxf8#
If White may castle: 1... 0-0-0 2.Dxe3 Te1 3.De7 c8=DT# (2017-12-4)
Yoav Ben-Zvi: To clarify Henrik's analysis: If White castling is to be preserved then [WRh1] cannot be retracted home across WKe1. It also could not be uncaptured on g2 (The only Black capture on a light square must be of [WBf1]) or be retracted via h3 across g3 (WPg3 cannot retract to g2 before unpromoted BP uncaptures on g2 which implies previous retraction of WPh4 to h2 obstructing the path of WR from h1 to h3). This means [WRh1] retracts home via f3,f1 implying that the cross-over between the dark squared bishops cannot be effected by retracting WPf3-f4. Also the bishop's could not cross with WB on e1 (requires WK vacating e1) so the crossing of the bishops requires BB to stand on h8 which requires BR to vacate h8. For a modern example of a bishop corridor preventing castling see Caillaud's P1080604. (2017-12-5)
more ...
comment
Keywords: Castling (wgsk), Retro variants (RV, pRA), Promotion (D)
Genre: h#, Retro
Reprints: Sahovski Vjesnik 01/1951
125 32 personaggi e 1 autore 1955
Input: Andreas Mokosch, 1997-12-12
Last update: Alfred Pfeiffer, 2017-12-4 more...
27 - P0534315
Gyula Bebesi
2481 Diagramme und Figuren 04/05/1969
P0534315
(3+4) C+
h#2
3.1...
1) 1. 0-0 0-0-0 2. a1=S Tdg1#
2) 1. Tf8 0-0-0 2. a1=S The1#
3) 1. Tg8 0-0-0 2. Tf8 The1#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if w O-O is legal. The genre and the soundness can be recovered by an additional technical wP... (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wgwgwgsk), under-promotion (s)
Genre: h#
Computer test: Popeye C-Version 3.47 (1024 KB)
Input: Andreas Mokosch, 1997-12-13
Last update: Arnold Beine, 2017-11-26 more...
28 - P0534400
Milan Nemcek sen.
525 Sachova skladba 07/1986
P0534400
(4+7) C+
h#2
b) sKg4 nach b5
a) 1. Kg3 0-0-0 2. Sf2 Tdg1#
b) 1. Tc5 0-0 2. Kb4 Tfb1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1997-12-25
Last update: Alfred Pfeiffer, 2017-11-26 more...
29 - P0534405
Michail W. Matrjonin
1991 Mat (Belgrad) 11/1977
P0534405
(3+9) C+
h#2
b) sBd7 nach f7
a) 1. Sf2 0-0 2. Sh1 Tae1#
b) 1. Sd2 0-0-0 2. Sb1 The1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by an additional technical wP... (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1997-12-25
Last update: Alfred Pfeiffer, 2017-11-26 more...
30 - P0534407
Milos Marysko
5666 FEENSCHACH 01-02/1962
P0534407
(4+3) C+
h#2
b) sBf7 nach d7
a) 1. Tf8 0-0-0 2. Ke8 The1#
b) 1. Td8 0-0 2. Ke8 Tae1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by a shift of wPa2. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1997-12-25
Last update: Alfred Pfeiffer, 2017-11-26 more...
31 - P0534541
Gerhard Paul Latzel
FIDE Olympia Turnier 20 Skopje 1972
Lob
P0534541
(3+11) C+
h#2
b) sBd7 nach f7
c) sBc5 nach f7
d) sSa3 nach c7
a) 1. Td8 0-0 2. Sh1 Tae1#
b) 1. Sh3 0-0-0 2. Tf8 The1#
c) 1. Sb1 Ta5 2. 0-0 Txg5#
d) 1. 0-0-0 Txh8 2. Kb8 Txd8#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in all twins if the opposite castling is legal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wkwgsksg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1998-1-31
Last update: Alfred Pfeiffer, 2017-11-27 more...
32 - P0534543
Gyula Bebesi
Tivadar Kardos

765v Feladvanykedvelök Lapja 03/1972
P0534543
(4+3) C+
h#2
b) +sLh6
a) 1. Tg8 0-0-0 2. Tf8 The1#
b) 1. Ld2+ Kxd2 2. 0-0 Tag1#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if w O-O is legal. The genre and the soundness can be recovered by a shift of wPa. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wgsk), Homebase (2)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1998-1-31
Last update: Alfred Pfeiffer, 2017-11-27 more...
33 - P0534644
Thomas R. Dawson
100 The Problemist FCS 02/1931
P0534644
(4+7) C+
h#2
b) vertikal gespiegelt
a) 1. Ke8 0-0 2. Td8 Tae1#
b) 1. b2 Kc2 2. 0-0 Tag1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in a) if O-O-O is legal. The genre and the soundness can be recovered by an additional technical wP... (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling in a) as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Echo, Castling (wksk), Twin by board reflection
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Reprints: K2 ASymmetrie 2013
Input: Andreas Mokosch, 1998-2-11
Last update: Arnold Beine, 2017-11-26 more...
34 - P0534720
John A. Lewis
3562 The Fairy Chess Review 02/1939
P0534720
(3+6) C+
h#2
b) wTh1 nach h6
a) 1. Th8 0-0 2. Td8 Tae1#
b) 1. d5 Tb6 2. 0-0-0 Tc1#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite w castling is legal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wksg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Andreas Mokosch, 1998-2-18
Last update: Alfred Pfeiffer, 2017-11-27 more...
35 - P0554176
Jenö Lamoss
Magyar Sakkelet 05/1976
P0554176
(4+6) C+
h#2
b) sKc2 nach g2
a) 1. Sf2 0-0 2. Tc3 Ta2#
b) 1. Sd2 0-0-0 2. Sf2 Tdg1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling (wkwg)
Genre: h#
Computer test: Popeye C-Version 3.44 (1024 KB)
Input: Hans-Jürgen Schäfer, 1998-8-4
Last update: Alfred Pfeiffer, 2017-11-27 more...
36 - P0557648
Yosif Krikheli
7014 Schach , p. 253, 08/1972
2. ehrende Erwähnung
P0557648
(5+3) C+
h#2
2.1...
1) 1. Te6 Td2+ 2. Ke3 Sd5#
2) 1. Le6 Ld2 2. Kd1 Lf3#
play all play one stop play next play all
Aus dem Preisbericht: 'Ein weißer Grimshaw auf d2 und ein schwarzer Grimshaw auf e6 in sparsamer, bauernloser Fassung. Zwei reine Mattbilder runden das Ganze harmonisch ab.'. (PR: Karl Pohlheim)
Felber, Volker: horizontal gespiegelt unter P1343881 (Probleemblad, auch 1972, Monat??? (2017-12-1)
comment
Keywords: Aristocrat, Grimshaw (Weiß+Schwarz), Model mate
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
Reprints: 7014 Schach , p. 190, 06/1973
Input: hpr, 1999-2-2
Last update: Felber, Volker, 2017-12-1 more...
37 - P0561027
Branko Koludrovic
25 Bilten 12/1970
P0561027
(3+4) C+
h#2*
*) 1. ... Sb5 2. Tb6 Sxc7#
1) 1. Tb5 Sc6 2. Lb6 Sb8#
play all play one stop play next play all
Niemann bemerkt zum Datum: "(?)"
vgl. F. A. Sonnenfeld, Turnier Sao Paolo, 5.
ehrende Erwähung
Branko Koludrovic: Version:H#2
a)diagram;b)remove Sa5
h#2a)
White:Ka8,Sa7
Black Ka6,Rb7,Bc7Sa5
Sol.:1Kb5 Sc6 2.Bb6 Sb8#
h#2b)
White:Ka8, Sa7; Black:Ka6,Rb7,Bc7
Sol.:1.Ba5 Sb5 2.Rb6 Sc7#
Critical Grimshaw,Ideal mates (2017-12-17)
Branko Koludrovic: Typing error in h#2 a)Sol:1.Rb5(not Kb5)Sc6 2.Bb6 Sb8
Aristocrat 'Letztform' (2017-12-17)
comment
Keywords: Exchange of roles, Verstellung (t|lc), Exchange of Interference
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
Input: Günter Lauinger, 1999-1-5
Last update: hpr, 1999-11-26 more...
38 - P0579314
Drago Biscan
464 Variantim 03/1995
P0579314
(3+3) cooked
h#2
2.1...
1) 1. Tb2 0-0-0 2. Tb4 Th3#
2) 1. Kb2 0-0 2. Tc3 Tb1#
play all play one stop play next play all
Cook: NL
1. Kd3 Ta4 2. Tc3 Th3#
more ...
comment
Keywords: Aristocrat, Castling
Genre: h#
Reprints: (19) StrateGems SG19, p. 159, 07/2002
Input: hpr, 2001-1-8
Last update: Alfred Pfeiffer, 2017-12-4 more...
39 - P0580119
Mario Velucchi
1029 Suomen Tehtäväniekat 06/11/1996
P0580119
(6+7) cooked
h#3
1. Kg6 c3 2. Kf5 0-0+ 3. Ke5 Tae1#
1. Kg5 c3 2. Kf5,Kf4 (Dual) 0-0+ 3. Ke5 Tae1#
play all play one stop play next play all
klären: NL??
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if O-O-O is legal. The genre and the soundness can be recovered by a shift of a wP.
Reprints: (21) StrateGems SG19 p.159, 07/2002, (with bPf7 on f5) (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling
Genre: h#
Reprints: (21) StrateGems SG19, p. 159, 07/2002
Input: hpr, 2001-1-23
Last update: Alfred Pfeiffer, 2017-12-4 more...
40 - P0580168
Evgeny Fomichev
13718 Schach 12/1996
P0580168
(4+12) C+
h#2
b) wTa1 nach b1
a) 1. 0-0 0-0-0 2. Dg1 Tdxg1#
b) 1. Dh6 0-0 2. 0-0-0 Tfc1#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite w castling is legal. The genre and the soundness can be recovered by an additional technical wP... (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling
Genre: h#
Computer test: Popeye WIN32-Version 3.64 (2048 KB)
Input: hpr, 2001-1-24
Last update: Alfred Pfeiffer, 2017-12-4 more...
41 - P1000037
Mario Velucchi
7380 Thema Danicum 90 04/1998
P1000037
(7+4)
h#3
Henrik Juel: 1.Sb1 00 2.Sc3 fRb1 3.Sxa2 Rxa2# or 1.Sc4 000 2.Ka3 Kc2 3.Kxa2 Ra1#. White cannot castle both ways, so there is only one solution. (2003-10-14)
more ...
comment
Keywords: Castling
Genre: Retro
Reprints: (20) StrateGems SG19, p. 159, 07/2002
Input: Gerd Wilts, 2000-7-31
Last update: Alfred Pfeiffer, 2017-12-4 more...
42 - P1008845
Arnold Beine
10786 Die Schwalbe 183 06/2000
P1008845
(3+8) C+
h#11
0.1...
Doppellängstzüger
1. ... Sf4+ 2. Sxf4 h7 3. Lh4 h8=S 4. Le1 Sg6 5. Lh4 Sxh4 6. Te5 Sg6 7. Te1+ Kf2 8. Te6 Se5 9. Th6 Sg6 10. Sh3+ Kg3 11. Sg5 Sf4#
play all play one stop play next play all
Als Themen liefert uns der Autor: wS-Umwandlung als Phönix, weite Wege des sT und ein abschließendes Mustermatt.
EB: dafür, daß die Steineanzahl nahezu dreimal so groß ist wie in der 785 (P1008844), ist der thematische Gehalt zu schwach.
more ...
comment
Keywords: Maximummer (Doppel-), Model mate, Phoenix
Genre: Fairies
Computer test: Popeye 4.77
Input: Gerd Wilts, 2003-7-1
Last update: Alfred Pfeiffer, 2017-12-15 more...
43 - P1008960
Arnold Beine
10980 Die Schwalbe 186 12/2000
Franz Pachl zum 50. Geburtstag gewidmet
P1008960
(5+5) C+
h#2
Antiandernachschach
b) +wBe2
sDR=Chamäleondame
wTR=Chamäleonturm
sSR=Chamäleonspringer
a) 1. CSe2=wCL CTxe4=CD 2. CDg4=wCS CLf1=sCT#
b) 1. CSxe2=CL CTxh4=CD+ 2. CDg3=wCS CSf1=sCL#
play all play one stop play next play all
Autor: Aufbau einer wBatterie - orthogonal und diagonal - mit Funktionswechsel der beiden sChamäleons als Vorderstein; Abzug zum Block nach f1 im Mattzug ohne Schlagfall; Mustermatts.
FP schreibt in seinem Buch _Schach mit Partner_ (S. 103). "Während beim Andernachschach schlagende Figuren umgefärbt werden, erleiden dieses Schicksal beim Anti-Andernachschach ziehende Figuren; schlagende behalten ihre Farbe. Das bedeutet, daß im Mattzug geschlagen werden muß!" Auslöser dieses Problems war dieser letzte Satz, denn es stimmt nicht immer, weil es auch ohne Schlagfall im Mattzug geht - wie meine Aufgabe (erstmalig?!) beweist.
Anti-Andernach und Chamäleon, da muß man schon um vier Ecken denken! meint WW;
ähnlich KHS: Mir wird ganz schwarz vor Augen und schwindelig bei diesem Farbwechseln in aufsteigender Figurenfolge; Hut ab vor dem Komponisten, der alles im Griff hat!
EB: Batteriewechsel, durch Anti-Andernach-Schach spezifische dauernde Farbwechsel ziemlich verwirrend (zumindest für mich). Ohne Computer hätte ich mir das gar nicht angeschaut.
Résumé von KHS: Durch die Weihnachtsfeiertage bedingt, hatte ich etwas mehr Zeit zum Lösen und habe mich deshalb an einige, für mich neue, Märchenschacharten herangewagt. Ich hoffe, alles richtig gelöst zu haben!?
paul: Twin b) could be with wPg2 at e2 (C+) (2017-12-15)
more ...
comment
Keywords: Anti-Andernach
Pieces: dr = Chameleon Queen (CD), tr = Chameleon Rook (CT), sr = Chameleon Knight (CS), lr = Chameleon Bishop (CL)
Genre: Fairies
Computer test: Popeye 4.61
Input: Gerd Wilts, 2003-7-1
Last update: Alfred Pfeiffer, 2017-12-16 more...
44 - P1012384
Christopher Cedric Lytton
R172 The Problemist 11/1989
after Raymond Smullyan
P1012384
(9+9)
Letzter Zug?
R: 1. g4xLf5+
play all play one stop play next play all
No. 1931 HN
Henrik Juel: Last move was g4xLg5+, as g2xLf3 is illegal, because Black captured b7xLc6 (2013-8-28)
Yoav Ben-Zvi: -1.WPf4-f5? fails since [WPg2] could not reach f4 by WPg3xf4 as well as by WPg2xf3.
This is R172 in the November issue where it is presented as "after Raymond Smullyan". The composer called it a "Tidied up reset" of Smullyan's P0002624. (2017-12-15)
comment
Keywords: Last Move?, Kindergarten Problem
Genre: Retro
Input: Henri Nouguier, 2004-1-11
Last update: Alfred Pfeiffer, 2017-12-15 more...
45 - P1017590
Waleri A. Liskowez
237 Variant Chess 27 1998
P1017590
(5+6)
h#3
a) pRA
b) +wLe4
a) the last move?
1) 1. Kd7 0-0-0+ 2. Kc8 The1 3. Thc7 Txe8#
2) 1. Kf7 0-0+ 2. Kg8 Tae1 3. Tbg7 Txe8#
b) 1. Ke5 a3! 2. Kd4 0-0-0+ 3. Kc3 Td3#
play all play one stop play next play all
more ...
comment
Keywords: Retro variants (RV, pRA), Castling
Genre: Retro
Reprints: (5) StrateGems SG19, p. 156, 07/2002
Input: Valery Liskovets, 2004-6-25
Last update: Alfred Pfeiffer, 2017-12-4 more...
46 - P1067331
Michael McDowell
5190 Deutsche Schachzeitung 08/1987
P1067331
(3+3) C+
#4*
* 1. ... d6 2. Se6#

1. Sg6! d6 2. Se5 dxe5 3. Df3 e4 4. Dc3#
play all play one stop play next play all
Spiegelbild von Massmann 1971
Felber, Volker: gespiegelt vorweggenommen durch P1159028 sowie die ältere P1344009 (=P1159028 1 Reihe nach links). (2017-12-4)
comment
Keywords: anticipated
Genre: n#
Input: Frank Müller, 2004-12-16
Last update: Felber, Volker, 2017-12-4 more...
47 - P1077982
Roman F. Zalokotskij
Mykola Kuligin

996 Tschorno-Bili Steshyny 2007
P1077982
(4+8) C+
h#2
2.1...
1) 1. Sb4 0-0-0 2. Tf8 The1#
2) 1. gxf2+ Kxf2 2. 0-0 Tag1#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if O-O-O is illegal. The genre and the soundness can be recovered by an additional technical wP. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling
Genre: h#
Computer test: Popeye Windows-32Bit v4.47 (1200000 KB)
Input: hpr, 2008-9-4
Last update: Alfred Pfeiffer, 2017-12-4 more...
48 - P1079669
Zoran Janev
527 Vratnica-64 17 01-03/2005
P1079669
(4+2) C+
h#2*
b) nach dem 1. sZug
a) * 1. ... Tff6 2. Lf4 Tfe6#
1. Le7 Tdf6 2. Ld6 T6f5#
b) * 1. ... Tdf6 2. Ld6 T6f5#
1. Lg5 Tff6 2. Lf4 Tfe6#
play all play one stop play next play all
Felber, Volker: b) ist die diagonale Spiegelung (a1-h8) zu a) (2017-12-11)
comment
Keywords: Aristocrat
Genre: h#
Computer test: Popeye Windows-32Bit v4.47 (1200000 KB)
Input: hpr, 2008-10-26
Last update: Alfred Pfeiffer, 2016-6-1 more...
49 - P1081387
Jan A. Rusek
3386v Springaren 02/1956
1. Preis
P1081387
(11+5) C+
s#5
1. h8=T! Ta4,droht 2. Df5+ Te5 3. Lf3+ Te4 4. Td2+ Ld4 5. Tg8 Txf5#
1. ... Td3,Td2,Td1 2. Tb5+ axb5 3. Le6+ Kxe6 4. Dxe4+ Le5 5. Sd8+ Txd8#
play all play one stop play next play all
Cook: Dual
1. ... Lxb2 2. Le6+ Kxe6 3. Th6+ Kd5 4. Th5+ Ke6 5. Sd8+ Txd8#
An wPg5 or h5 would help. [Frank Richter]
Marcin Banaszek: Das Problem ist korrekt, weil 1...Lxb2 keine Parade gegen Drohung ist. (2017-12-14)
Olaf Jenkner: Die Drohung funktioniert aber nicht mehr richtig. Die Aufgabe des Tb2 wird durch Tf1 übernommen. (2017-12-15)
more ...
comment
Keywords: Fesselungswechsel, under-promotion (T)
Genre: s#
Computer test: Popeye 4.67
Reprints: 1893 Szachy 12/1957
430 FIDE Album 1956-1958 1961
4925 Problemista 01-03/1997
Input: HBae, 2009-2-6
Last update: Alfred Pfeiffer, 2017-12-14 more...
50 - P1087865
Evgeny Fomichev
König & Turm 2006
P1087865
(6+5) C+
h#3
b) sBf3 nach e3
a) 1. Td3 exd3+ 2. Kxd3 0-0-0+ 3. Ke2 Td2#
b) 1. d3 fxe3 2. Kxe3 0-0 3. Kxe2 Tae1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by a shift of wPh2 (or else). (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling
Genre: h#
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
Input: GüBü, 2009-6-8
Last update: Arnold Beine, 2017-11-27 more...
51 - P1088185
Frank Müller
Quartz 06-08/2000
P1088185
(10+3) C+
s#6
1. h8=S+ Kf6 2. g8=S+ Kxe6 3. f8=S+ Kd6 4. e8=S+ Kc6 5. d8=S+ Kb6 6. c8=S+ Txc8#
play all play one stop play next play all
SCHRECKE: Eine sD auf c4 oder h3 statt sTc2+sSe3 spart einen Stein (C+). (2017-12-3)
comment
Keywords: Promotions to Knights, konsekutive Umwandlungen 6 (SSSSSS)
Genre: s#
Reprints: U4 Die Schwalbe , p. 71, 04/2001
Input: Frank Müller, 2009-6-27
Last update: Olaf Jenkner, 2010-12-28 more...
52 - P1091221
Charles Frankiss
F2755 The Problemist 09/2009
P1091221
(15+15) C+
BP in 6,0
Annan Schach
1. a2-a6 c7-a5 2. f2xa7 a5-a4 3. d2-a5 a4-a3 4. c2-a4 f7-a2 5. Qb3 Kf7 6. b2-d1+ Kf7xb3
play all play one stop play next play all
paul: Jacobi+ (2017-12-9)
more ...
comment
Keywords: Annan Chess, Unique Proof Game
Genre: Retro, Fairies
Computer test: Jacobi+
Input: Gerd Wilts, 2009-9-20
Last update: Alfred Pfeiffer, 2017-12-10 more...
53 - P1091222
Paul Raican
F2728c The Problemist 09/2009
P1091222
(14+13) C+
BP in 8,0
Annan Schach
1. c2xh7 d7xd2+ 2. Sxd2 Dd4 3. Sd2-h6 f7-d5 4. h7xf8=S Txh6 5. Sh7 (5. Bg5? Rd6 6. Sg6 e7-f6 7. Sg6-b1 Lf5 8. Lc1 Lf5-f4, but 6. Sg6 is check!) Td6 6. Lh6 e7-f6 7. Sh7-b1 Lf5 8. Lc1 Lf5-f4
play all play one stop play next play all
paul: Jacobi+, ~21h40min (2017-12-10)
more ...
comment
Keywords: Annan Chess, Unique Proof Game, Pronkin Theme (S), Homebase (W)
Genre: Retro, Fairies
Computer test: Jacobi
Input: Gerd Wilts, 2009-9-20
Last update: Alfred Pfeiffer, 2017-12-10 more...
54 - P1091926
Werner Keym
(C) Die Schwalbe 10/2009
P1091926
(4+2) C+
h#2 PRA
2.1...
falls die kurze Rochade noch möglich ist:
1) 1. Kb2 Ta2+ 2. Kc1 0-0#
2) 1. Kb3 Kd2 2. Kb2 Thb1#

falls die lange Rochade noch möglich ist:
1) 1. Kd3 0-0-0+ 2. Ke2 Td2#
2) 1. Kb3 Kd2 2. Kb2 Thb1#
play all play one stop play next play all
more ...
comment

Genre: h#, Retro
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
Reprints: 380 Eigenartige Schachprobleme 2010
Input: hpr, 2009-10-9
Last update: Alfred Pfeiffer, 2017-12-4 more...
55 - P1116798
Kosta Mihajlovski
Makedonski Sah 01/1972
4. Lob
P1116798
(6+1) C+
#2
1. ... Kc2,Kc4 2. Tf1,Da6#
1. Dg1! (Zugzwang)
1. ... Ke4,Kc2,Kc4,Ke2 2. Db1,Db1,Df1,Df1#
play all play one stop play next play all
ST-D2D2
Felber, Volker: klären: Verschiedene Quellen, jeweils 4. Lob: P1134451 (c3/e3 vertausch) (2017-12-15)
more ...
comment

Genre: 2#
Computer test: Popeye 4.61
Input: Felber, Volker, 2010-9-11
Last update: Alfred Pfeiffer, 2017-12-15 more...
56 - P1124866
Josef Theodor Breuer
Berliner Morgenpost 1967
P1124866
(5+2)
#3
BUc1 E7b-T-LB m
vf: unlösbar, AL 1.Tc5!??, Stellung verdruckt oder AL falsch?
Hans Notzem: Yes, indeed, it is insoluble. The idea seems to have been 1.Lb5 Kb7 2. Tf7: Kb6?? 3.c8S‡, but after 2.... Ka7 there is no mate (all the other variations are solid, at least).
The “solution” given in the little book I got this problem from seems to be shifted one line to the right, starting with 1.Lc5 (-- that might be where the 1.Tc5 came from). (2017-12-1)
comment
Keywords: Miniature Collection (0043722)
Genre: 3#
Input: Felber, Volker, 2010-9-11
Last update: Felber, Volker, 2010-9-11 more...
57 - P1132202
Dieter Müller
430 Landeszeitung für die Lüneburger Heide 17/01/1976
P1132202
(4+3) C+
#2
1. Df6! droht 2. Dc6#
1. ... Kd4 2. Df3#
1. ... e4 2. Dd4#
play all play one stop play next play all
A10-34-
Felber, Volker: vorweggenommen von P1344439 (2017-12-15)
comment

Genre: 2#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192 KB)
Input: Felber, Volker, 2010-9-11
Last update: Felber, Volker, 2017-12-15 more...
58 - P1134451
Nikolai Sinowjew
216 Problemist Pribushja 4 10/1990
P1134451
(4+3) C+
#2
1. Dh5-e8!
play all play one stop play next play all
FE-S1D2
vf: wTb2->f2, Waleri Kowalenko, 05.12.2006, Olimpiya dunyasi
Henrik Juel: C+ by Popeye 4.61, except for a minor dual after 1... Sd4,Sd6 (2017-12-15)
comment
Keywords: Miniature Collection (0314730)
Genre: 2#
Computer test: Popeye 4.61
Input: Zuncke/Bruder, 2010-9-11
Last update: Alfred Pfeiffer, 2017-12-15 more...
59 - P1136443
Gilbert S. Dobbs
The Chess Review 1937
1. ehrende Erwähnung
Cheney-Miniaturenturnier
P1136443
(4+3)
#3
1. Kb8! droht 2. Se5 ... 3. Dc8#,De7# sowie 2. Sf6+ Kd8 3. Dc8#,Db6#,De7#,Dd7#,Dc7#
1. ... Kf7+ 2. Sf8+ Ke8,Kxf8 3. De7#
1. ... Tg7 2. Dc8+ Kf7 3. Se5#
play all play one stop play next play all
ks3 mm
SBD: Nachdruck: How To Solve Chess Problems, Kenneth S. Howard,
Dover, 1945., pg. 133.

"The probability is that (this) is a model mate problem."

"There are three model mates... One occurs in the threat line; a second in a variation where there is a cross-check and where the black rook blocks the black king; and in a third, where the black rook again self blocks." (2012-2-13)
Mario Richter: TO DO: Prüfen Quelle 'The Chess Review' - im gesamten Jahrgang 1937 habe ich dieses Problem nicht gefunden.
In der Turnierausschreibung heißt es: "1937 Miniature Tourney
A 1937 International Composing Tourney is held
for direct mate 3*move and 4-move miniatures (7
pieces or less). Judge: Kenneth S, Howard ... Merit Problems will be published in The American Chess Bulletin."(!) (2017-12-16)
Henrik Juel: Correct key by Popeye 4.61, but damaged by the double threat and by mate duals after other defenses by Tg8 (2017-12-16)
comment
Keywords: Miniature Collection (0047950)
Genre: 3#
Reprints: 1393 Hamburger Nachrichten 31/01/1938
How to Solve Chess Problems , p. 133, 1945
672 Schach-Express , p. 339, 11/1949
Input: Felber, Volker, 2010-9-11
Last update: Alfred Pfeiffer, 2017-12-16 more...
60 - P1144428
Vladimir Kozhakin
437 Mat Plus 17-20 1998
P1144428
(4+2) C+
#4
b) wDc4->f1
a) 1. Dg4! Kf6 2. Ke8 e5 3. Sc5 e4 4. Sd7#
2. ... Ke5 3. Ke7 Kd5 4. Dxe6#
b) 1. Df2! Ke4 2. Kxe6 Kd3 3. Kd5 Kc3 4. Dd2#
play all play one stop play next play all
m09 +m
Felber, Volker: vergleiche P1344509 (2017-12-15)
more ...
comment
Keywords: Miniature Collection (0338741)
Genre: n#
Input: Zuncke/Bruder, 2010-9-11
Last update: Alfred Pfeiffer, 2017-12-16 more...
61 - P1159028
Wilhelm Massmann
6963 Probleemblad 01-02/1971
P1159028
(3+3) C+
#4*
* 1. ... d6 2. Sc6#

1. Sa6! d6 2. Sc5 dxc5 3. Db3 c4 4. De3#
play all play one stop play next play all
B5-23 ZP4S
Felber, Volker: vergleiche P1344009 (mit Pattverführung) (2017-12-4)
comment
Keywords: Miniature Collection (0335803)
Genre: n#
Input: Zuncke/Bruder, 2010-9-12
Last update: Felber, Volker, 2017-12-4 more...
62 - P1166106
Ladislav Prokes
Sportovni Revue 19/05/1921
P1166106
(5+2) cooked
#3
1. Sh7 droht 2. Lf5 ... 3. Ld4#
1. ... e6 2. Ld5 exd5 3. Te8#
1. ... Ke6 2. Ld4 Kf7 3. Sg5#
1. ... Kxe4 2. Sg5+ Ke5 3. Ld4#
play all play one stop play next play all
Cook: NL
1. Lf5 e6 2. Ld4#
1. ... Kf6 2. Se6 Kf7 3. Tf8#
2. ... Ke5 3. Ld4#
B21a-T 3m
Hans Notzem: Second solution!

It’s a nice problem with nice mates, but 1.Lf5 also does the trick:
1.... e6 2.Ld4‡, 1.... Kf6 2.Se6 Kf7 3.Tf8‡ or 2.... Ke5 3.Ld4‡. (2017-12-4)
Olaf Jenkner: mögliche Korrektur: wS nach h7, wT nach f8 (2017-12-4)
more ...
comment
Keywords: Miniature Collection (0059307)
Genre: 3#
Input: Felber, Volker, 2010-9-12
Last update: Alfred Pfeiffer, 2017-12-4 more...
63 - P1180283
Vilhelm Röpke
Skakbladet 1942
P1180283
(6+4) C+
#6
1. d4 b5 2. d5 b4 3. axb4 a3 4. b5 a2 5. b6 a1=D 6. b7#
play all play one stop play next play all
Nachdruck: Richter, Kurzgeschichten um Schachfiguren
Nachläufer (vertikal gespiegelt): Hünerkopf/Rinder R428 feenschach (21) 04/1974
"Die automatische Schachaufgabe"
Felber, Volker: Versuchen Sie mal in 6 Zügen n i c h t Matt zu setzen! (2017-12-3)
VL: Reprints: (5) The Problemist, p.255, 11/2013 (in my article "Completely Unavoidable Mate"). Røpke is the correct name. (2017-12-3)
Henrik Juel: Røpke constructed this as a sort of joke problem, when Dansk Skakproblem Klub (The Danish Chess Problem Society) held a one day excursion for members (all men) with their spouses
The motto was Alt for damerne (Everything for the ladies) and the problem was posed for the spouses
ö is the German equivalent of the the Danish ø
The Genre should be n#, not Fairies, I think (2017-12-3)
comment

Genre: n#
Computer test: Popeye Windows-32Bit v4.55 (1524 MB)
Input: HBae, 2010-11-15
Last update: Felber, Volker, 2017-12-3 more...
64 - P1181950
Yaakov Mintz
202 e4-e5 16 12/2010
P1181950
(7+5) C+
h#2
1. 0-0 0-0-0 2. De8 Tdg1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore, due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION if w.O-O is legal. The genre and the soundness can be recovered by a shift of a wP. (2017-11-25)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Homebase (2), Castling
Genre: h#
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
Input: YM, 2010-12-5
Last update: A.Buchanan, 2013-1-26 more...
65 - P1189353
Peter Wong
50 Chess in Australia 1988
P1189353
(4+4) C+
h#2
b) sBd7 nach f7
a) 1. Sa6 0-0 2. Td8 Tae1#
b) 1. Ta7 0-0-0 2. Te7 Th8#
play all play one stop play next play all
VL: Only one w castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite w castling is legal. The genre and the soundness can be recovered by a shift of wPa. (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Homebase (2), Castling
Genre: h#
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
Input: hpr, 2011-3-6
Last update: Alfred Pfeiffer, 2017-12-4 more...
66 - P1196622
Elmar Bartel
991 Jugendschach (35) 11/1982
P1196622
(3+1)
41 ! -> (--) s N

41 erzwungene Zug-Meidungen
more ...
comment
Keywords: Einzügerrekord
Genre: Fairies
Input: Erich Bartel, 2011-5-30
Last update: Alfred Pfeiffer, 2017-12-4 more...
67 - P1199193
Metschislowas Rimkus
1370 Sachmatija 2008
P1199193
(3+10) C+
h#3
b) sBf6 nach d6
a) 1. Df8 0-0-0 2. Lg8 Txd3 3. Tf7 Te1#
b) 1. Dd8 0-0 2. Lc8 Txf3 3. Td7 Te1#
play all play one stop play next play all
VL: Only one castling is legal. Therefore presently (since 2009), due to Art.16 (3) of the Codex, this diagram, as is, represents a retro-problem (PRA) with NO SOLUTION in both twins if the opposite castling is legal. The genre and the soundness can be recovered by an additional technical wP... (2017-11-26)
VL: Continuation. In reality, the second part of Art.16(3) formally preserves the soundness of problems like this one (without any changes in their positions): namely, in the framework of Retro-Strategy (RS), which justifies the choice of appropriate castling as a part of the solution! However, such a subtle retro-enrichment lies, apparently, beyond the original intention. (2017-12-1)
comment
Keywords: Castling
Genre: h#
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
Input: hpr, 2011-7-14
Last update: Alfred Pfeiffer, 2017-12-4 more...
68 - P1212114
Peter Fayers
F2418 The Problemist 09/2005
P1212114
(13+13)
BP in 12.0
Fast Berolina
1. e2-g4 f7-d5 2. g4-e6 Sh6 3. e6-g8=S g7-e5 4. Sxh6 Lxh6 5. c2-e4 0-0 6. e4-g6 Tf3 7. g6-e8=L Td3 8. Lxd7 Lxd7 9. g2-e4 Lb5 10. e6-g6 Sc6 11. g6-e8=T+ Kf7 12. Txd8 Txd8
play all play one stop play next play all
Fast Berolina: All pawns are Berolina pawns; they are also "fast" which means they may make a double-step non-capturing move at any time, rather than merely on their first move. The last move to the the diagram could have been 12. - g7-e5 or 12. - d7xXd5.
paul: Intended solution: 1.e2-g4 f7-d5 2.g4-e6 Sh6 3.e6-g8=S g7-e5 4.Sxh6 Bxh6 5.c2-e4 0-0 6.e4-g6 Rf3 7.g6-e8=B 8.Bxd7 9.g2-e4 Bb5 10.e6-g6 Sc6 11.g6-e8=R+ Kf7 12.Rxd8 Rxd8. (2017-12-2)
comment
Keywords: Non-Unique Proof Game, Homebase (w)
Genre: Fairies, Retro
Input: Hans Gruber, 2011-10-9
Last update: Alfred Pfeiffer, 2017-12-4 more...
69 - P1238099
Hansjörg Schiegl
Klaus Funk

167 Problemkiste (5) 04/1983
P1238099
(2+2)
31 ? x (--) s D

31 freiwillige Schlag-Meidungen
HBae: Ist das ein Rekord mit möglichst wenigen Zügen? vgl. P1196593 (2017-12-2)
comment
Keywords: Einzügerrekord, Aristocrat
Genre: Fairies
Input: Erich Bartel, 2012-5-6
Last update: Alfred Pfeiffer, 2017-12-4 more...
70 - P1238908
Klaus Funk
504 Problemkiste (11) 10/1983
P1238908
(3+2)
22 ? D (++) w D

22 freiwllige Doppelangriff-Erhaltungen
more ...
comment
Keywords: Einzügerrekord
Genre: Fairies
Input: Erich Bartel, 2012-5-13
Last update: HBae, 2017-12-2 more...
71 - P1239937
Milomir Babic
1157 The Macedonian Problemist 36 09-12/2011
P1239937
(9+7) cooked
s#14
* 1. ... Kd6 2. d8=D+ Kc6 3. Df8 Kd6 4. Tf6! Kc6 5. De8+ Kd6 6. Dd8+ Kc6 7. Ld7+ Kd6 8. Kb7 exf6 9. Le8+ Ld7 10. Lf7 f5 11. Se7 f4 12. Ka6 f3 13. Sf5+ Kc6 14. Dc8+ Lxc8#
11. ... fxe4 12. Ka6 e3 13. Sf5+ Kc6 14. Dc8+ Lxc8#

1. d8=L Kd6 2. Lxe7+ Kc6 3. Lxh4 Kd6 4. Lg5 Kc6 5. h4 Kd6 6. h5 Kc6 7. h6 Kd6 8. h7 Kc6 9. h8=T Kd6 10. Td8+ Kc6 11. Se7+ Kc7 12. Td7+ Lxd7 13. Sd5+ Kxc8 14. Tc6+ Lxc6#
play all play one stop play next play all
Cook: NL (Anton Baumann)
1. Kb8! (Wartezug) ...
1. Th6! (Wartezug) ...
jeweils weiter wie im Satz.
Anton Baumann: Satz: 1. .. Kd6 2.d8=D+ Kc6 3.Df8 Kd6 4.Tf6! Kc6 5.De8+ Kd6 6.Dd8+ Kc6 7.Ld7+ Kd6 8.Kb7 exf6 9.Le8+ Ld7 10.Lf7 f5 11.Se7 f4 12.Ka6 f3 (bzw. 11. ..fxe4 12.Ka6 e3) 13.Sf5+ Kc6 14.Dc8+ Lxc8#
Entsprechend führen die beiden möglichen Wartezüge zu Nebenlösungen: 1.Kb8 1.Th6 (2017-12-7)
comment
Keywords: konsekutive Umwandlungen 2 (LT), under-promotion
Genre: s#
Input: Frank Müller, 2012-5-28
Last update: Alfred Pfeiffer, 2017-12-7 more...
72 - P1240727
Paul Raican
Problemaz 05/2008
P1240727
(16+8)
BP in 10
Masand, Einsteinschach
paul: Solution: 1.e4 d5 2.exd5=S Bf5=S 3.Sxe7=B Sd7=P 4.Bxf8=R+(wSg8, wPf7) Kxf8 5.S8e7=P+(wQd8) Kxf7 6.e8 Rxe8=Q+(bQd8, wPd7) 7.dxe8=S Sg3=P 8.Sxc7=B Qh8=R 9.Bf4=S Raf8=B 10.S4e2=P Ke8.
Phoenix-Pronkin Pe2
Sibling Rh8, Bf8, bK triangle. (2013-8-6)
paul: Checked the first 8 moves with Jacobi (the new program of F. Labelle) and demolished: 1.e4 d5 2.exd5=S Bf5=S 3.Sxe7=B Sg3=P 4.Bxf8=R [f7,g8=w]+ Kxf8 5.Sf6=P Qe8=R [b8=w]+ 6.fxe8=S Rxb8=Q 7.f7 Kxf7 8.Sxc7=B Qa8=R 9.Bf4=S etc. (2017-12-3)
comment
Keywords: Unique Proof Game, Einstein, Masand
Genre: Retro, Fairies
Input: Gerd Wilts, 2012-6-4
Last update: A.Buchanan, 2014-5-20 more...
73 - P1240785
Michael Schreckenbach
3442 Sächsische Zeitung 11/03/2006
5. ehrende Erwähnung
P1240785
(9+7)
#4
1. Th3! droht 2. Lh2 ... 3. Lg1 ... 4. f4#
1. ... La4 2. Lh2 b5 3. Tg3 Kxe5 4. Txd3#
play all play one stop play next play all
Der Schlüssel 1.Th3! droht still 2.Lh2 3.Lg1 4.f4 matt, wogegen sich Schwarz durch 1...La4! bei Ausführung der Drohung selbst einsperren und Patt erreichen könnte (2.Lh2 b5!) – das ist die Kombination Kling, doch Weiß kommt mit dem indischen Manöver 2.Lh2 b5 3.Tg3 (Rückkehr) K:e5 4.T:d3 matt doch noch zum Ziel (4 Punkte) "Schwarz sperrt seinen Läufer ein, doch ein Patt bringts auch nicht ein." (Jürgen Selbmann, Annaberg.Buchholz). Das Problem wurde durch einen Sechszüger vom F.Uhlig, „Freie Presse“ 2004; Nr. 4445 angeregt.
Ka5 Th8 Ld3 Se1 Bb2 b4 c5 d2 f4 g3 g5 – Kd4 Lf7 Bb3 b5 d5 f5 g4 g7 c6; 1.Ta8! usw.
Das Problem wurde durch einen Sechszüger vom F.Uhlig, „Freie Presse“ 2004; Nr. 4445 angeregt (= P1239466 )
SCHRECKE: Nach 1.Th3! droht 2.Lh2 ... 3.f4! ... 4.Lg1#, in der SZ wurden der 3.+4. Zug vertauscht. (2017-12-18)
comment
Keywords: Kling, Indian
Genre: n#
Input: Felber, Volker, 2012-6-5
Last update: Felber, Volker, 2016-11-10 more...
74 - P1245531
Klaus-Peter Zuncke
1862v Freie Presse (Chemnitz) 24/12/1976
P1245531
(7+11)
#13
1. Sg4! Kf1 2. Tf2+ Ke1 3. Tb7 Sb6 4. Tb2 Kf1 5. Se3+ Ke1 6. Txa7 Lxa7 7. Sg4 Kf1 8. Sxh2+ Ke1 9. Sg4 Kf1 10. Se3+ Ke1 11. f4 ... 12. Sf3+ Sxf3 13. Te2#
play all play one stop play next play all
Korrektur 07.04.1977: wTf7 nach d7
Anton Baumann: Dies ist ein #11, das Pendel 2.Tf2+ .. 4.Tb2 ist nicht erforderlich:
1.Sg4 Kf1 2.Tb7 (droht 3.Tf2+ 4.Tb1#) h1=S? 2.T7b4!
1.Sg4 Kf1 2.Tb7 Sb6! 3.Se3+ Ke1 4.Txa7 Lxa7 5.Sg4 ...
aber nicht dualfrei: 3.Txa7 Se2 4.Txe2 g6 5.Se3+ Kg1 6.Tg2+ Kh1 7.Tf2 Dd4+ 8.Kxd4 e5+ 9.Kd3 e4+ 10.Kc2 .. 11.Ta1,Tf1# (2017-12-13)
comment

Genre: n#
Input: Felber, Volker, 2012-7-27
Last update: Felber, Volker, 2014-7-13 more...
75 - P1261756
Ernst Hasselkus
5537 Deutsches Wochenschach 08/11/1903
Dem Schachklub Springer in Berlin gewidmet
P1261756
(8+9)
s#10
1. c8=T+ Lc6 2. Lxd6 h5 3. f3 h4 4. Df2+ Kd3 5. Td1+ Kc4 6. Dxh4+ f4 7. Le7 b2 8. Dh7,De1 Sb3,Sc2 9. De4+ Sd4 10. De6+ Sxe6#
7. ... Sc2 8. Dxf4+ Sd4 9. De4 b2 10. De6+ Sxe6#
1. ... Lc4 2. Tc6 h5 3. Kc7 h4 4. Kb6 h3 5. Kxa5 h2 6. Sd2 d5 7. Ld6 f4 8. La3 f3 9. Sxb3 Sxb3+ 10. Kb4 a5#
play all play one stop play next play all
SCHRECKE: Das ist alles ziemlich dualistisch. Nach 1.c8T+ Lc4 geht z.B. gleich 2.Sd2 usw. (2017-12-3)
comment
Keywords: under-promotion (T)
Genre: s#
Input: Frank Müller, 2013-2-3
Last update: Alfred Pfeiffer, 2017-12-4 more...
76 - P1269137
Arnold Beine
15429 Die Schwalbe 258 12/2012
P1269137
(10+8) cooked
BP in 28.5 Zügen
Ultraschachzwang
Annanschach
1. f2-b6 d7xd2+ 2. Kf2 c7-g3+ 3. Kxg3 Dc7+ 4. g2-f4 h7-h4+ 5. Kg2 h3+ 6. Ke3 dxc1=D+ 7. Ke4 D1xc2+ 8. Dxc2 Sc6+ 9. Dxc6+ bxc6+ 10. bxc7 f7-d5+ 11. Kd4 c5+ 12. Kc3 d4+ 13. Kc2 d3+ 14. Kd1 dxe2+ 15. Kd2 e1=L+ 16. Kd3 Lf5+ 17. Kc4 Kf7+ 18. Kb5 a6+ 19. Kxc5 e6+ 20. Kd4 Td8+ 21. cxd8=D e5+ 22. Ke3 Th4+ 23. Ke2 h3-d3+ 24. Kxe1 d2+ 25. Kf2 d1=S+ 26. Dxd1 Lc5+ 27. Kg3 exf4+ 28. Kg2 Tg4+ 29. Ke1
play all play one stop play next play all
Cook: Duale
15. Kxe2 Lg4+ 16. Kd3 Lf5+ 17. Kc4 Kf7+ etc
15. Kc2 Lf5+ 16. Kc3 e1=L+ 17. Kc4 Kf7+ etc.
PR Andrej Frolkin in seinem Entscheid für 2012: "Hier paßt der gewaltige Wust an Märchenregeln nicht zum relativ moderaten Inhalt und rechtfertigt nicht die Geduldsprobe für Löser und Prüfer, die nur sehr beschränkt mit Logik an die Lösung heran gehen können. Redakteure sollten solche Stücke vielleicht nur bei 'C+' veröffentlichen oder außerhalb des Löserwettbewerbs präsentieren.
paul: Cooked by: 15.Kxe2 Bg4+ 16.Kd3 Bf5+ 17.Kc4 Kf7+ etc
or by: 15.Kc2 Bf5+ 3.Kc3 e1=B+ 4.Kc4 Kf7+ etc.
I hope that Arnold will fix this. (2017-12-15)
comment
Keywords: Unique Proof Game, Ultraschachzwang, Annan Chess, Homebase (weiß), Round Trip (wK (2x)), Pronkin Theme (wD), Ceriani-Frolkin Theme (sD), Schnoebelen Theme (sL, sS)
Genre: Retro, Fairies
Input: Mario Richter, 2013-5-3
Last update: Alfred Pfeiffer, 2017-12-15 more...
77 - P1286113
Bernhard Geismann
2802 Problemkiste (77) 10/1991
P1286113
(2+5)
h#5
Ringzylinder
1. g5 f4 2. g4 f5 3. g3 f6 4. g2 f7 5. g1=S f8=S#
play all play one stop play next play all
Das 100 Lire-Thema!! (Autor)
Kommentare: Ja, mit Torus...man sollte meinen, dass es da noch viel gefährlicher wird, oder? (HG).
Sehr sparsam realisiert. Hier kam ein schönes Problem dabei heraus und nicht wie bei vielen anderen Versuchen wurde die Bedingung genutzt, um das Ganze nur mal darzustellen (AB).
100 Dollar im (Ring-)Zylinder. Intelligente Begründung für die bei diesem Thema schwierige sS-UW (TS).
100 Dollar auf anderem Brett (MN).
Da haben wir ja das 100 Dollar-Ding (HM).
Noch nicht ganz, siehe die Autoranmerkung. Ich habe mit dem Autor beim letzten mpk-Treff gesprochen. Es ist noch nicht sicher, welche Währung als nächste dran ist. Vielleicht Escudos? \eb
Olli Heimo: Why torus? Isn't horizontal cylinder enough? Moving everything two squares to the right (or six squares to the left) makes full use of the torus-board. PS. Are there any freeware programs to check cylinder-board problems. (2017-12-11)
Henrik Juel: 5.g1=L? f8=S+ 6.Lg1xf8 (2017-12-11)
comment
Keywords: 100 Dollar task (Variation), Torus, Excelsior (Doppel-)
Genre: Fairies
Input: Erich Bartel, 2014-7-17
Last update: Alfred Pfeiffer, 2014-7-17 more...
78 - P1297219
Francesco Simoni
S1352 The Problemist 11/1990
P1297219
(8+7) C+
s#2
1. Tb2? droht 2. T3xf6+, 1. ... f5!
1. Tc3? droht 2. T6xf6+, 1. ... d6!
1. Da3! droht 2. Df8+ Kxf8#
1. ... f5 2. T6f6+ Kxf6#
1. ... d6 2. T3xf6+ Kxf6#
play all play one stop play next play all
Iwan Soroka: Anticipated by P1088829 (2017-12-10)
comment
Keywords: Hannelius Theme
Genre: s#
Input: Frank Müller, 2015-2-8
Last update: Alfred Pfeiffer, 2015-2-9 more...
79 - P1299122
Saturnin Limbach
586 L'Echiquier (Brüssel) 12/1928
P1299122
(5+5) cooked
s#8
1. a8=D a3 2. Sxa2 Kxa2 3. Dg8+ Kb1 4. De1+ Kc2 5. Td2+ Kc3 6. Dgg3+ Kc4 7. De6+ Kc5 8. Dxa3+ Dxa3#
2. ... Dxa2 3. De1+ Kc2 4. Dd1+ Kc3 5. Daf3+ Kc4 6. Ddf1+ Kc5 7. Dxa3+ Dxa3#
play all play one stop play next play all
Cook: Dual: 2. Dd3+ Kc1 3. Sxa2+ Dxa2 4. Df1+ Kc2 5. Dd1+ Kc3 6. Daf3+ Kc4 7. Ddf1+,Dde2+ Kc5 8. Dxa3+ Dxa3#
Dual: 5. Dag2+ Kb3,Kc3 6. Dff3+ Kc4 7. Dgf1+,Dge2+,Dg8+ Kc5 8. Dxa3+ Dxa3#
Thomas Brieden: Nach 1. a8=D a3 wird es nebenlösig 2. Sxa2,Dd3+
C- durch Chest 3.19 (2015-3-14)
Olaf Jenkner: 2. Sxa2 könnte die Autorlösung sein, weil sie keine weiteren Duale hat. (2017-12-12)
comment

Genre: s#
Input: Frank Müller, 2015-3-14
Last update: Olaf Jenkner, 2017-12-12 more...
80 - P1299184
Gregor Werner
661 mpk-Blätter 93 03/2015
P1299184
(15+16) C+
Kürzeste Beweispartie?
Annanschach
1. d2-c3 Sb8-c6 2. Dd1-d5 Sc6xd5 3. c3-c4 Sd5-e3 4. Sb1-c3 Se3-d1 5. c4-d2
play all play one stop play next play all
In bereits 9 Halbzügen kann die geforderte Stellung erspielt werden, wobei die Bedingung Annanschach gut genutzt wird. Überraschenderweise wird die weiße Dame nicht auf ihrem Ursprungsfeld geschlagen. Ein schöner Abschluss dieser Beweispartie ist die Annanschach-spezifische Rückversetzung des weißen Bauern c4 auf die Grundreihe.
paul: Jacobi+ (2017-12-11)
Henrik Juel: C+ by Popeye 4.61 also, but it took 51 minutes (2017-12-11)
Henrik Juel: To show that 4.5 moves is the length of the shortest proof game, one must also check shorter lengths, I think
Popeye uses 3 minutes to verify that no proof game in 4.0 exists (2017-12-11)
comment
Keywords: Annan Chess, Unique Proof Game
Genre: Fairies
Computer test: lt. Quelle
Input: Frank Müller, 2015-3-14
Last update: Alfred Pfeiffer, 2016-7-20 more...
81 - P1305639
Gregor Werner
11099 feenschach 211 01-02/2015
P1305639
(15+14)
BP in 8
Annanschach
1. c2-g6 d7-h3 2. Dd1-c2 Dd8-d4 3. Dc2-f5 Dd4-h4 4. Df5-g5 h3-d7 5. g6-c2 g7-f5 6. Dg5xg8 h7-g7 7. Dg8xh8 Dh4-f6 8. Dh8-h7 f5xh7
play all play one stop play next play all
more ...
comment
Keywords: Unique Proof Game, Annan Chess, Homebase (w), Switchback (2x), Interchange
Genre: Retro
Input: Frank Müller, 2015-7-14
Last update: Alfred Pfeiffer, 2017-12-14 more...
82 - P1313234
Gregor Werner
688 mpk-Blätter 11/2015
P1313234
(15+15) C+
Kürzeste Beweispartie?
Annanschach
1) 1. dg5 d6 2. Dd4 Lh3 3. Dg4 Dd7 4. gd2 Dc8 5. Dxc8+ Lxc8
2) 1. da5 d6 2. Dd4 Dd7 3. Da4 Kd8 4. ad2 De8 5. Dxe8 Kxe8
play all play one stop play next play all
paul: 1.dg5 d6 2.Qd4 Bh3 3.Qg4 Qd7 4.gd2 Qc8 5.Qxc8+ Bxc8
1.da5 d6 2.Qd4 Qd7 3.Qa4 Kd8 4.ad2 Qe8 5.Qxe8+ Kxe8
(Jacobi+) (2017-12-10)
comment

Genre: Fairies
Computer test: Jacobi
Input: Frank Müller, 2015-12-11
Last update: Alfred Pfeiffer, 2017-12-13 more...
83 - P1321336
Vito Rallo
1292 Gaudium 158 12/2015
P1321336
(2+1+2) C+
h#3
0.2.1...
Annanschach
1) 1. ... Kf2 2. Kg5 Ld2+ 3. Kh5 Kg3#
2) 1. ... Lb4 2. Ke6 Le7 3. Kh3 Kg1#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 found only the first solution
so something must have been lost from version 4.55 (2016-6-17)
paul: If we have a White Bc3, then the solutions are:
1. - Kf1-f2 2.Kf6-g5 Bc3-d2 + 3.Kg5-h5 Kf2-g3#
1. - Bc3-e1 2.nSe5-f7 Sg2-h4 3.Kf6-h5 Kf1-e2# (2017-12-11)
Gunter Jordan: In der Popeye-Version 4.75 werden beide Lösungen angezeigt. (2017-12-11)
comment
Keywords: Annan Chess, Exchange of roles (wS-wK)
Genre: Fairies
Computer test: Popeye Windows-32Bit v4.55 (1024 MB)
Input: Gunter Jordan, 2016-6-17
Last update: Alfred Pfeiffer, 2016-6-19 more...
84 - P1340051
George P. Sphicas
Michel Caillaud

9 StrateGems (80) 10-12/2017
P1340051
(15+1)
ser-s=33
1. b5 2. Kb4 3. a4 4. a5 5. a6 6. a7 7. La6 8. c8=T 9. Lb8 10. d6 11. d7 12. d8=L 13. Sc7 14. Sa8 15. c7 16. Db7 17. Te4 18. f4 19. f5 20. f6 21. f7 22. Tf6 23. Tb6 24. c6 25. Kc5 26. Kd6 27. Ke7 28. Kf8 29. Te8 30. e4 31. e5 32. e6 33. e7 Kh7=
play all play one stop play next play all
Längenrekord im schlagfreien Serienzugselbstpatt
Olaf Jenkner: Ebenso das längste Serienzugeigenpatt, da P1335234 kaputt ist. (2017-12-4)
comment
Keywords: Series mover, Move Length Record, Rex solus (S), under-promotion (TL)
Genre: Fairies
Input: Frank Müller, 2017-9-24
Last update: Alfred Pfeiffer, 2017-9-25 more...
85 - P1341648
Tadeusz Czarnecki
148 Szachy 10/1954
1.-2. Preis
P1341648
(8+10) cooked
#3
1. Dd7-b7? droht 2. Db7xa6+, 2. a7-a8=D,T
1. ... Tc5-c4 2. Db7-c7+ Le3-b6 3. Dc7xb6#
1. ... Lf7-g6 2. Db7xa6+ Ka5xa6 3. a7-a8=D#
1. ... Tc5-b5!

1. Sc8-d6!? droht 2. a7-a8=S droht 3. Sd6-b7#, 2. ... Tc5-b5 3. Sd6-c4#
1. ... Ka5-b6 2. a7-a8=S+ Kb6-a5 3. Sd6-b7#
1. ... Lf7-g6 2. Dd7-c7+ Sd5xc7 3. Sd6-c4#
1. ... Le3-c1 2. Sd6-c4+ Tc5xc4 3. Dd7-c7#
1. ... Sg4xe5!
play all play one stop play next play all
Cook: Unlösbar: 1. ... Sg4xe5!
Marcin Banaszek: Siehe korrekte Version: P1344446 (2017-12-14)
comment
Keywords: no solution
Genre: 3#
Reprints: - Szachy 05/1955
Szachy 01/1957
Input: Marcin Banaszek, 2017-10-13
Last update: Marcin Banaszek, 2017-12-7 more...
86 - P1343873
Vladimir Pachman
211 Szachy 05/1956
P1343873
(11+8) cooked
#3
1. Sc3-d1! droht 2. Se5-g6+ Kf4xg4 3. Sd1xe3#
1. ... Lc2xd1 2. Td4xe4+ Sc5xe4 3. g2-g3#
1. ... De4xd4 2. g2-g3+ Kf4-e4 3. Sd1-c3#
dual: 2. Se5-g6+ Kf4xg4 3. Sd1xe3#
play all play one stop play next play all
Cook: Dual: 1. ... De4xd4 2. g2-g3+, 2. Se5-g6+
Marcin Banaszek: Siehe korrekte Version: P1344467 (2017-12-14)
comment

Genre: 3#
Input: Marcin Banaszek, 2017-11-30
Last update: Marcin Banaszek, 2017-12-14 more...
87 - P1343881
Jan Hartong
Probleemblad 1972
P1343881
(5+3) C+
h#2
2.1...
1) 1. Te3 Td7+ 2. Ke6 Sd4#
2) 1. Le3 Ld7 2. Kd8 Lf6#
play all play one stop play next play all
Felber, Volker: klären: Monat??

horizontal gespiegelt unter P1343881 (Schach 08/1972) (2017-12-1)
comment
Keywords: Aristocrat, Grimshaw (Weiß+Schwarz), Model mate
Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
Reprints: (95) Torre & Cavallo - Scacco! , p. 51, 02/2006
Input: Felber, Volker, 2017-12-1
Last update: Felber, Volker, 2017-12-1 more...
88 - P1343927
Franz Palatz
244 Hamburger Nachrichten 13/07/1924
P1343927
(3+3) C+
h#2
Duplex
s) 1. Kd1 Sf5 2. Sc1 Se3#
w) 1. ... Ke1 Sc5 2. Sf1 Sd3#
play all play one stop play next play all
Offenbar ein Werk aus Palatz' "symmetrischer Periode", vgl. z.B. P0514373, P0515148, P0517914, P0545427, P1244546, P1295560

Erinnert vom Material her an die bekannte Aufgabe von A.de Musset (P1128098, P1128100), aber die Mattbilder sind anders.
more ...
comment
Keywords: Symmetrical constellation, Symmetrisches Spiel, Aristocrat
Genre: h#
Computer test: Popeye 4.61
Input: Mario Richter, 2017-12-1
Last update: Alfred Pfeiffer, 2017-12-4 more...
89 - P1343931
Zarko Pesikan
4045 idee & form (136) 10/2017
P1343931
(9+10)
h#22
Gunter Jordan: Hier fehlt der Zusatz 'nach Hegermann', siehe P0552688. (2017-12-7)
comment

Genre: h#
Input: Frank Müller, 2017-12-2
Last update: Frank Müller, 2017-12-2 more...
90 - P1343963
Rainer Staudte
1398 Troll 25 29/11/2017
P1343963
(4+2) C+
#4
more ...
comment

Genre: n#
Computer test: Henrik Juel: C+ by Popeye 4.61 (2017-12-3)
Input: Rainer Staudte, 2017-12-3
Last update: Erich Bartel, 2017-12-3 more...
91 - P1343964
Rainer Staudte
18708 Schach 12/2017
nach Hasselkus
P1343964
(3+3) C+
s#6
more ...
comment
Keywords: Kindergarten Problem
Genre: s#
Computer test: Henrik Juel: C+ by Popeye 4.61 (2017-12-3)
Input: Rainer Staudte, 2017-12-3
Last update: Erich Bartel, 2017-12-3 more...
92 - P1343973
Viktor S. Zheglov

Sheltonoshko - 75, 2017
2. Lob
P1343973
(4+3) C+
s#6
1. Tb4+ Ka7 2. Dc7+ Ka6 3. Lb7+ Ka7 4. Lc8+ Ka8 5. Tb8+ Txb8 6. Da5+ Txa5#
1. ... Td5 2. Dc8+ Ka7 3. Db8+ Ka6 4. Ta4+ Ta5 5. Ld3+ Tbb5 6. Ka2 Txa4#
play all play one stop play next play all
more ...
comment
Keywords: Aristocrat
Genre: s#
Computer test: Henrik Juel: C+ by Popeye 4.61 (2017-12-3)
Input: Rainer Staudte, 2017-12-3
Last update: Erich Bartel, 2017-12-3 more...
93 - P1344006
Islam Kazimov
1442 Best Problems 36, p. 318, 10-12/2005
P1344006
(10+5) C+
#2
1. Td6! droht 2. Lb4#
1. ... Kxd6 2. c5#
1. ... Lc6 2. Txc6#
play all play one stop play next play all
Henrik Juel: Mates are ready for every defense but La8
C+ by Popeye 4.61
Pg6 seems without real purpose (2017-12-4)
comment
Keywords: Sacrifice key, Flight giving
Genre: 2#
Computer test: Popeye 4.61
Input: Felber, Volker, 2017-12-4
Last update: Alfred Pfeiffer, 2017-12-4 more...
94 - P1344009
William Mitcheson
140 Cassel's Illustrated Family Paper 26/04/1856
P1344009
(3+3) C+
#4
1. Sa7? e6! 2. Sc8 patt

1. Sb6! e6 2. Sd5! exd5 3. Dc3! d4 4. Df3#
play all play one stop play next play all
Felber, Volker: vergleiche die Nachläufer P1159028 und P1067331 (2017-12-4)
comment

Genre: n#
Computer test: Popeye 4.67
Reprints: SH4517 Gmünder WochenBlatt-Lokal 08/11/2017
Input: Marcin Banaszek, 2017-12-4
Last update: Mario Richter, 2017-12-4 more...
95 - P1344032
Henryk Zuk
268v Szachy 09/1956
P1344032
(9+6) C+
#2
1. Dc6-f6! zz
1. ... Se3-c2,Sc~ 2. Tg8-g4#
1. ... Se3xf5 2. e2-e3#
1. ... Sg3-h1,Sg~ 2. Te8-e4#
1. ... Sg3xf5 2. g2-g3#
1. ... Td5-d1,Td~ 2. Df6-e5#
1. ... Td5-d6+ 2. Lf8xd6#
1. ... Th5-h1,Th~ 2. Df6-g5#
1. ... Th5xf5 2. Lf8-h6#
1. ... Th5-h6 2. Lf8xh6#
play all play one stop play next play all
Original (wDc6>g6) mit NL.
Stefan Felber: Umwandlungsläufer f5 (2017-12-6)
comment
Keywords: Promoted material on the board (L)
Genre: 2#
Computer test: Popeye 4.67
Input: Marcin Banaszek, 2017-12-5
Last update: Alfred Pfeiffer, 2017-12-6 more...
96 - P1344045
Andris Strebkovs
1481 Best Problems 36, p. 321, 10-12/2005
P1344045
(6+3) cooked
s#16
1. Se6+ Kc4 2. Da2+ b3 3. Da4+ Tb4 4. Da6+ Tb5 5. 0-0-0 Kb4 6. Da3+ Kc4 7. Da4+ Tb4 8. Da6+ Tb5 9. Kb1 Kb4 10. Da3+ Kc4 11. Da4+ Tb4 12. Da6+ Tb5 13. Ka1 Kb4 14. Da3+ Kc4 15. Da4+ Tb4 16. Tb1 Txa4#
play all play one stop play next play all
Cook: Nebenlösung in 9 Zügen (M. Schreckenbach):
1. Se6+! Kc4 2. Dc6+ Tc5! 3. Dxc5+ Kb3 4. Sd8 Kxb2 5. De5+ Kb3 6. Sc6 Kc4 7. Dd5+ Kc3 8. 0-0-0 b3 9. Lb1 b2#
more ...
comment

Genre: s#
Input: Felber, Volker, 2017-12-5
Last update: Alfred Pfeiffer, 2017-12-6 more...
97 - P1344053
Yoav Ben-Zvi
Al Hamishmar 1976
P1344053
(9+7) C+
s#3* v
Längstzüger
* 1. ... bxc3 2. Th2 Txf5 3. Te6 Txe6#
1. Lxb4? axb4 2. Th2 Txf5 3. Te6 Ta5!

1. Ld3! (Zugzwang)
1. ... cxd3 2. Te5 Txe5 3. Tf6 Txf6#
1. ... bxc3 2. Tf5 Txf5 3. Te6 Txe6#
play all play one stop play next play all
Echo of strategy (capture of one bishop obstruction of the other) and mating position. (Author)
more ...
comment

Genre: s#
Computer test: Henrik Juel: C+ by Popeye 4.61 (2017-12-6)
Reprints: The Problemist Supplement , p. 537, 11/2016
Input: Alfred Pfeiffer, 2017-12-6
Last update: Erich Bartel, 2017-12-6 more...
98 - P1344054
Yoav Ben-Zvi
Probleemblad 01-02/1977
Version TPS 2017
P1344054
(4+7) C+
h#3*
* 1. ... Td6 2. exd6 Th8 3. Ke6 Te8#
1. Td6 Tf6 2. exf6 Ta8 3. Ke6 Te8#
play all play one stop play next play all
Echo of sacrifice strategy and model mate position. (Author)
Probleemblad 1977 = P0524702
Yoav Ben-Zvi: The current version (wKa1->a5[-wPa5], bRd6->f6) saves the White pawn at a5 and reduces the symmetry so the problem is no longer a “Perpetuum Mobile”.
more ...
comment

Genre: h#
Computer test: Henrik Juel: C+ by Popeye 4.61 (2017-12-6)
Reprints: The Problemist Supplement , p. 584, 07/2017
Input: Alfred Pfeiffer, 2017-12-6
Last update: Alfred Pfeiffer, 2017-12-6 more...
99 - P1344055
Yoav Ben-Zvi
The Problemist 10/1975
Version D. M. Davey
P1344055
(10+8) C+
#2*
* 1. ... Sc5,Sb7-~ 2. Scxd6#
* 1. ... Se1,Se3 2. Se3#
* 1. ... Sxf4 2. e4# (A)
* 1. ... Lg4 2. Lg6# (B)
* 1. ... Lg5 2. Txg5# (C)

1. Lg5! (Zugzwang)
1. ... Sc5,Sb7-~ 2. Sexd6#
1. ... Se3,Se1 2. Tf4#
1. ... Sf4 2. Txf4# (D)
1. ... Lg4 2. e4# (A)
1. ... Lxg5 2. Lg6# (B)
play all play one stop play next play all
The Black moves Nxf4, B-g4, B-g5 produce 3 changed mates and 2 transferred mates between Set and Solution (ABC->DAB). Additionally there are changed mates on random moves by either Black knight. In both Set play and Solution 2 Black self-blocks allow the mate to cut off a White Rook. (Author)
Yoav Ben-Zvi: The published version had a cook (1.B-g8), corrected here as suggested by D. M. Davey.
more ...
comment

Genre: 2#
Computer test: Henrik Juel: C+ by Popeye 4.61 (2017-12-6)
Input: Alfred Pfeiffer, 2017-12-6
Last update: Erich Bartel, 2017-12-6 more...
100 - P1344078
Alessandro Cuppini
868 Best Problems 27, p. 122, 07-09/2003
P1344078
(11+11) C+
#2*
* 1. ... Txe5 2. d5#
* 1. ... Ld5 2. Dd3#

1. Kxe6? droht 2. d5#, 2. Dd3#
1. ... Txe5+ 2. dxe5#
1. ... Ld5+ 2. Dxd5#
1. ... Txf6+!

1. Txf3! droht 2. Te3#
1. ... Txf3 2. d5#
1. ... Kxf3 2. Dd3#
1. ... Sxf3 2. Txe2#
play all play one stop play next play all
more ...
comment
Keywords: Duplicate publication
Genre: 2#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192 KB)
Reprints: Pat a Mat 43 12/2003
Input: Felber, Volker, 2017-12-6
Last update: Felber, Volker, 2017-12-6 more...
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