Die Schwalbe

34 problem(s) found in 5379 milliseconds (displaying 34 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT S='Nordisches Turnier' AND A='Sommer, Bruno Oswald'] [download as LaTeX]

1 - P0004208
Bruno Oswald Sommer
9222 Die Schwalbe 243-244 11-12/1953
P0004208
(9+11)
#1 vor 2
VRZ
R: 1. 0-0! 0-0-0 (erzwungen wegen Retropattvermeidung) 2. b4-b5!, dann 1. Th8#

Eine mögliche Auflösung:
R: 1. 0-0 0-0-0 2. b4-b5! (nur so wird der sD nicht der schnellste Weg nach d8 versperrt) Dd8-d4 3. d5xLc6 Ld7-c6 4. e4xSd5 Lc8-d7 5. f3xSe4 d7xTe6 6. Ta6-e6 Se3-d5 7. Ta1-a6 Sc4-e3 8. a3xLb4 Ld6-b4 9. a2-a3 Lf4-d6 10. Tb1-a1 Lh6-f4 11. Tc1-b1 Lf8-h6 12. Ta1-c1 g7xLf6 13. Lg5-f6 Sf6-e4 14. Lc1-g5 Sa5-c4 15. d2-d3 d3xSc2 16. Sa3-c2 e4xDd3 17. Dc2-d3 f5xTe4 18. Th4-e4 Sg8-f6 19. Th8-h4 Sc6-a5 20. h7-h8=T Sb8-c6 21. h6-h7 g6xLf5 22. Lh3-f5 Sf6-g8 23. Lf1-h3 Sg8-f6 24. g2xTf3 Tf4-f3 25. h5-h6 Tf5-f4 26. h4-h5 Th5-f5 27. Sb1-a3 Th8-h5 28. Dd1-c2 h7xSg6 29. Sf4-g6 Sf6-g8 30. c2-c3 Sg8-f6 31. Sh3-f4 Sf6-g8 32. Sg1-h3 Sg8-f6 33. h2-h4
play all play one stop play next play all
Henrik Juel: The key R: 1.0-0 'threatens' with white retrostalemate, even though White seems to have many pawn retractions available
All missing men were captured by pawns (and White promoted on h8)
R: 1... Kd7-c8? 2.d5xLc6+ Tb8-d8 3.b4-b5 Ke8-d7 4.e4xd5 Ld7-c6 5.f3xe4 Lc8-d7 and now White is retrostalemate
not 6.g2xf3 because of [Lf1]
not 6.d2-d3 because of [Lc1]
not 6.a3xLb4 because of [Ta1]
and not 6.b3-b4 because [Lf8] was captured on a dark square
R: 1... 0-0-0 handles Td8, but it also fixes the black king, so Dd4 must retract to d8 before d7xTf6 can be retracted, but there is still just time enough:
R: 2.b4-b5 Dd8-d4 3.d5xLc6 Ld7-c6 4.e4xd5 Lc8-d7 5.f3xe4 d7xTe6
The rest is easy: Retract Te6 to a1, a3xLb4, Lb4 to f8, g7xLf6, Lf6 to c1, d2-d3, and now the road towards h7 is free for Pc2 (2023-04-08)
A.Buchanan: Great! So which Typ is this? (2023-04-08)
Henrik Juel: Any type, there are no uncaptures in the solution, so anything goes (2023-04-09)
A.Buchanan: Ok I see - the sequence of retro moves is not VRZ play, but history of the game. After the key, there is no choice for either player until wPe4xd5. But isn’t there some Typ where black can checkmate too? R: 1. 0-0 0-0-0 then c1=D#! (2023-04-09)
Henrik Juel: A black checkmate is a possibility in the tries of defensive retractors, regardless of type
When Black has completed a retraction, he has the right to mate White with a forward move, if this is possible
I should have added the testing of mating in my general story about Høeg retractors
1. White chooses a man and moves it back
2. Black chooses which man (if any) to supplement on the abandoned square
Now the white retraction is completed, and White may mate with a forward move, if this is possible
If so, a solution has been found
If not
3. Black chooses a man and moves it back
4. White chooses which man (if any) to supplement on the abandoned square
Now the black retraction is completed, and Black may mate with a forward move, if this is possible
If so, a try has been found
If not, go to step 1. (2023-04-09)
A.Buchanan: Thanks - so does that mean that the solution given here is just a try? (2023-04-09)
Henrik Juel: No, Andrew, in the solution given here White mates, so it is a solution
A try requires Black to mate (2023-04-09)
A.Buchanan: Sorry I am apparently being slow: isn't R: 1. 0-0 0-0-0, dann c1=D#! a mate for Black, so White never gets to retract further? (2023-04-09)
Henrik Juel: You are not slow, Andrew, but I never really saw the black mate in your first 04-09 comment, sorry
R: 1.0-0 0-0-0 2.b4-b5, then 1.Th8# is the intended solution (and not an intended try), but it fails because following R: 1.0-0 0-0-0, Black mates with 1.c1=D#, so you have cooked the problem
It is easily repaired by adding the condition 'Ohne Vorwärtsverteidigung' (without forward defense), but maybe the author implied this condition (or maybe he never saw your black mate) (2023-04-09)
comment
Keywords: Castling (wk,sg), Defensive Retractor
Genre: Retro
FEN: 2kr4/ppp1pp2/2P1pp2/1P6/3q4/2PP4/1Pp1PP2/5RK1
Reprints: (5) Die Schwalbe 67 02/1981
Input: Gerd Wilts, 1995-06-03
Last update: A.Buchanan, 2023-04-07 more...
2 - P0556108
Bruno Oswald Sommer
2518 Schach 1, p. 13, 01/1957
P0556108
(4+4) cooked
h#2*
*) 1. ... cxb8=L 2. Sg7 Ld6#
1) 1. Td8 cxd8=S 2. Se7 Se6#

NL:
1. Td8 Tc8 2. Ke8 cxd8=D#
play all play one stop play next play all
VoFe: wBa6 war ein untauglicher Korrekturversuch.
M. Henke gab (Schach 1957, Seite 172) als Korrektur sSf7 statt sLf7 (ohne wBa6) an. (2006-08-18)
Felber, Volker: Korrektur unter P1382933 (2020-12-12)
comment

Genre: h#
FEN: Rr3k2/K1P2b2/P7/5n2/8/8/8/8
Input: Markus Manhart, 1998-08-22
Last update: Felber, Volker, 2020-12-12 more...
3 - P1012982
Bruno Oswald Sommer
Die Schwalbe 1952
1. ehrende Erwähnung
P1012982
(3+11)
Weiß nimmt 12, Schwarz 11 Züge zurück, dann #1
VRZ Typ Proca
R: 1. Ka8xTb8 Tb7-b8+ 2. Ka7-a8 Tb6-b7+ 3. Kb7-a7 Tc6-b6+ 4. Kb6-b7 Tc5-c6+ 5. Kc6-b6 Td5-c5+ 6. Kc5-c6 Td4-d5+ 7. Kd5-c5 Te4-d4+ 8. Kd4-d5 Te3-e4+ 9. Ke4-d4 Tf3-e3+ 10. Ke3-e4 Tf2-f3+ 11. Kf3-e3 Tg2-f2+ 12. Ke4-f3, dann 1. Tf1#
play all play one stop play next play all
No. 916 HN
more ...
comment
Keywords: Defensive Retractor, Type Proca
Genre: Retro
FEN: 1K6/5p2/p4R2/p7/p7/p2B3b/p2p4/4k1bq
Input: Henri Nouguier, 2004-01-11
Last update: James Malcom, 2021-07-17 more...
4 - P1032501
Bruno Oswald Sommer
10251 Die Schwalbe 11-12/1955
1. Preis
P1032501
(10+7) C+
#3
1. Tdd4? Txd8! 2. Tb4 La4,Lb5

1. Te4! droht 2. Tdd4
1. ... Lc6 2. Le6+ Kxe4 3. Td4#
1. ... Kxe4 2. Td4+ Kf5 3. Lb1#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (17410), Turton (Zepler-Brunner)
Genre: 3#
Computer test: Juel: Popeye 4.61
FEN: 3N1r2/3b1r2/6Pn/4Pk1P/2R4p/p2R1N2/B2K2P1/8
Reprints: 10251 Die Schwalbe 283-286, p. 162, 03-06/1957
122 Das logische Schachproblem , p. 101, 1965
122 Das logische Schachproblem , p. 103, 1980
1418 Beispiele zur Ideengeschichte des Schachproblems , p. 285, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-01-01 more...
5 - P1039666
Bruno Oswald Sommer
Teplitz-Schönauer Anzeiger 1922
1. Preis
P1039666
(9+4) C+
#2
1. Df2? Ke7? 2. La3# 1. ... dxc6!
1. Te3? Kd5!
1. Te2? Sc5!

1. Te1! Sc5 2. Dh2#
1. ... Ke7 2. Dc5#
1. ... Kd5 2. Td1#
1. ... Sf8 2. La3#
1. ... Ta8,Th8 2. Txd7#
1. ... dxc6 2. Dxc6#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (24622), Option key, Zugzwang-Goal
Genre: 2#
Computer test: Popeye 4.61
FEN: 3r4/1R1p1B2/2Pkn1P1/1P2R3/8/8/1BQ5/6K1
Reprints: 177 Deutsche Allgemeine Zeitung 29/10/1922
69 Postimees 09/06/1923
2 Illustrierte Kronen Zeitung 04/12/1933
701 FIDE Album 1914-1944/I , p. 135, 1971
88 Schach ohne Partner [Grasemann] , p. 96, 1977
886 Beispiele zur Ideengeschichte des Schachproblems , p. 185, 1982
3 Solving in Style [Nunn] 1985
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-03-30 more...
6 - P1049356
Bruno Oswald Sommer
Die Schwalbe 1930
Preis
P1049356
(7+6) C+
#3
1. Kb7! droht 2. Dg4+
1. ... Lc2 2. Dg4+
1. ... c4 2. d4
1. ... Lf5 2. Db3+
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (34384)
Genre: 3#
Computer test: Juel: Popeye 4.61
FEN: Kn2B3/8/4kPp1/2p3P1/8/5Q2/1p1P3B/1b6
Reprints: 1242 FIDE Album 1914-1944/II , p. 230, 1972
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-01-02 more...
7 - P1051799
Bruno Oswald Sommer
10348 Die Schwalbe 01-02/1956
Dr. K. Falbel zum 50. Geburtstag gewidmet
2. Preis
Informalturnier Mehrzüger
P1051799
(11+7) C+
#4
1. Kg5? Lxe7! 1. Kxg6? Sxe7+!

1. Lg4! droht 2. Lf3+ Kxf5 3. e4#
1. ... Lc6 2. Kg5 Lxe7+ 3. Kxg6 ... 4. Lf3#
1. ... Ta4 2. Kxg6 Sxe7+ 3. Kg5 Lxc7 4. Lf3#
play all play one stop play next play all
more ...
comment
Keywords: Brian Stephenson Collection (36839), Preplan, Pawn mate (in der Drohung), Knight sacrifice
Genre: n#
Computer test: Juel: Popeye 4.61
FEN: r1n5/2NbPN2/3b2pK/1p2PP2/4k3/1PP4B/3BP3/8
Reprints: FIDE Album 1956-1958 1961
1447 Beispiele zur Ideengeschichte des Schachproblems , p. 291, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2022-08-29 more...
8 - P1053026
Bruno Oswald Sommer
Die Welt 1957
P1053026
(12+7) C+
#4
1. Lf3? b5! 2. Le2 b4!

1. Lc2! b5 2. Ld3 b4 3. Le2 Kxe4 4. Ld1# 2. ... bxa4 3. Lc4 ... Sd3#
1. ... bxc5 2. Td1 c4 3. bxc4 c5 4. Td5#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2022-05-15)
Henrik Juel: tiny typo: last solution line should end with 4. Td5# (the 4. is missing) (2022-05-15)
comment
Keywords: Brian Stephenson Collection (38068)
Genre: n#
Computer test: Popeye 4.61
FEN: 8/7p/1pp1N2P/p1P1k1P1/P3PNP1/1P6/6p1/3BR1Kb
Reprints: 221 Problemschach [Grasemann] , p. 160, 1959
FIDE Album 1956-1958 1961
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2022-05-15 more...
9 - P1160597
Bruno Oswald Sommer
59 Brandenburgische Schachzeitung 05/1925
P1160597
(4+3)
#3
1. Ld3 g1=S 2. Le4 Sxh3,Sg1~ 3. Lf3# 2. ... Sg6,Sf7 3. Lxg6#,Lg6#
1. ... g1=D 2. Le2+ Dg4 3. Lxg4#
play all play one stop play next play all
F4LS TEL B7-3a5 m
vf: Schwalbe 03.1931, Heft 39, S. 88, LB zu 1423
SCHRECKE: 1. ... g1D 2.Le2+ Dg4 3.L:g4,h:g4# (Mattdual) (2020-11-10)
comment
Keywords: Miniature Collection (0332278), under-promotion (S)
Genre: 3#
FEN: 7n/7B/5K2/6Bk/8/7P/6p1/8
Reprints: 91 Dom Rodzinny (Torun) 20/12/1931
Input: Felber, Volker, 2010-09-12
Last update: Rainer Staudte, 2020-11-10 more...
10 - P1217125
Bruno Oswald Sommer
Deutscher Schachbund 1929
Deutscher Schachbund
1. Preis
P1217125
(8+10) C+
#2
* 1. ... Ld4 2. Txd4# 1. ... Le3 2. Txe3#

1. Tbd3? Ld4! 1. Tdd3? 2. Le3!

1. Se7! droht 2. Dxe6#
1. ... Ld4 2. Sd2#
1. ... Le3 2. Sc3#
play all play one stop play next play all
more ...
comment
Keywords: Changed mates, Themawechsel, Theme B2
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 4r3/P1B2Qpp/4p3/5N2/4k2r/1R6/K5bp/1N1R2bn
Reprints: 15 Windausche Zeitung 14/12/1929
15 Rigaer Jüdische Rundschau 14/12/1929
986 Beispiele zur Ideengeschichte des Schachproblems , p. 203, 1982
Input: Felber, Volker, 2011-11-08
Last update: Mario Richter, 2023-05-13 more...
11 - P1219439
Bruno Oswald Sommer
1576 Die Schwalbe 43, p. 105, 07/1931
P1219439
(9+5) C+
#2
1. Dc8! droht 2. Le2#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2022-04-25)
Henrik Juel: variations
1... Kd1,Tg4/Txd5,Lg4/Ld1 2.Sg2/Sf3/Sa2# (2022-04-25)
comment

Genre: 2#
Computer test: Popeye 4.61
FEN: 8/8/6p1/3R2rb/1NB5/1P2p2Q/3P4/K1k1N1R1
Input: Felber, Volker, 2011-11-08
Last update: Dieter Berlin, 2022-04-26 more...
12 - P1220690
Bruno Oswald Sommer
3976 Die Schwalbe 98, p. 444, 02/1936
Der beste Dreizüger, 1. Quartal 1936
1. Preis
P1220690
(6+4) C+
#3
1. Te5? Tf1!

1. Te4! droht 2. Th4#
1. ... Lg1 2. Te5 Th4+ 3. Lf4#
1. ... Kg6 2. Th4+ Kg7 3. Lf6#
play all play one stop play next play all
more ...
comment
Keywords: Hamburger (LT), Cross check, Blocknutzung
Genre: 3#
Computer test: SCHRECKE: popeye 4.87
FEN: 8/7N/7N/6Bk/2K5/6p1/2B1R2b/7r
Reprints: 3976 Die Schwalbe 130, p. 370, 10/1938
4309 Schach-Echo 9, p. 144, 05/1966
1102 Beispiele zur Ideengeschichte des Schachproblems , p. 225, 1982
Input: Felber, Volker, 2011-11-08
Last update: Dieter Berlin, 2022-08-24 more...
13 - P1227929
Bruno Oswald Sommer
5427 Die Schwalbe 131, p. 387, 11/1938
P1227929
(9+13) C+
#2
1. Dg7! droht 2. Se3#
1. ... e4 2. Se1#
1. ... Lf2 2. Sf4#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment

Genre: 2#
Computer test: popeye 4.87
FEN: 8/qp3R1p/1B1p3Q/4p3/n1pb3P/n1P4B/3K2Np/Rb4kr
Input: Felber, Volker, 2011-12-25
Last update: Dieter Berlin, 2022-04-25 more...
14 - P1230676
Bruno Oswald Sommer
6243 Die Schwalbe 12/1940
P1230676
(4+10)
#2
1. Db1! droht 2. Le6#
1. ... Tc2 2. Db3#
1. ... Lc2 2. Dg1#
1. ... Th7 2. Lxh7#
play all play one stop play next play all
SCHRECKE: 1. ... Lg4 2.D:a2,Db3# (Mattdual) (2022-04-25)
comment

Genre: 2#
FEN: 1Q2K1kr/8/2p4p/5B1p/5p2/b1B1p3/r7/3b4
Input: Felber, Volker, 2012-01-20
Last update: Dieter Berlin, 2022-04-25 more...
15 - P1230970
Bruno Oswald Sommer
Die Schwalbe , p. 141, 03/1941
2. Preis
9. Mannschaftskampf
P1230970
(8+8)
#2
1. Lc8!
play all play one stop play next play all
Hans-Jürgen Manthey: Nachdruck SExpress 11.Jun 1947 S.76 Nr.57 (2022-10-17)
SCHRECKE: C+, popeye 4.87
1. Lc8! droht 2. Dd7#
1. ... Lg1,L~ 2. De4#
1. ... Lc3 2. Dxc4#
1. ... Lc5 2. b5# (2022-10-17)
comment

Genre: 2#
FEN: N7/2N2n2/B1k5/4p3/1Prb2QK/6p1/1pR5/2rR4
Input: Felber, Volker, 2012-01-24
Last update: Felber, Volker, 2012-01-24 more...
16 - P1231015
Bruno Oswald Sommer
I Die Schwalbe , p. 154, 03/1941
P1231015
(5+8) C+
#2
1. Db1! droht 2. Db8#
1. ... Tb2 2. Dg6#
1. ... Lb2 2. Da2#
1. ... Lg7 2. Lf7#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment

Genre: 2#
Computer test: popeye 4.87
FEN: K5kr/2pNR3/8/7B/p4p2/4p3/7r/b3Q3
Input: Felber, Volker, 2012-01-25
Last update: Dieter Berlin, 2022-04-25 more...
17 - P1231016
Bruno Oswald Sommer
II Die Schwalbe , p. 154, 03/1941
P1231016
(5+9) C+
#2
1. Db1! droht 2. Db8#
1. ... Tb2 2. Txf7#
1. ... Lb2 2. Dxh1#
1. ... Dh7 2. Tg8#
1. ... Dxb1 2. Th6#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment

Genre: 2#
Computer test: popeye 4.87
FEN: 7k/2pK1pR1/6R1/3pBpp1/8/3Q4/r7/b6q
Input: Felber, Volker, 2012-01-25
Last update: Dieter Berlin, 2022-04-25 more...
18 - P1231138
Bruno Oswald Sommer
6438 Die Schwalbe 09/1941
P1231138
(11+13) C+
#2
1. d4! droht 2. Te3#
1. ... cxd3ep 2. Sg5#
1. ... c3 2. Le4#
1. ... Lxd4 2. Dxc6#
1. ... f1=S 2. Sxg1#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment
Keywords: Double step of white Pawn, Multiple publication
Genre: 2#
Computer test: popeye 4.87
FEN: 8/r1p2K2/Qbp1R2B/5B1p/R1p2Pp1/5k1N/b2P1ppP/2nN2n1
Reprints: 6526 Die Schwalbe 01/1942
Input: Felber, Volker, 2012-01-27
Last update: Dieter Berlin, 2022-04-25 more...
19 - P1231591
Bruno Oswald Sommer
6676 Die Schwalbe 08-09/1942
P1231591
(11+6) C+
#2*
* 1. ... Lh4+ 2. T1xh4#
1. 0-0? Lxh5!
1. Tf1! droht 2. Lf3#
1. ... Lxh5 2. Lg1#
1. ... Lg5 2. Sxg5#
1. ... Lh4+ 2. Txh4#
1. ... exd4 2. Dxd4#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment
Keywords: Castling
Genre: 2#
Computer test: popeye 4.87
FEN: q3b3/2N1b3/4N3/p1P1pP1R/Q2Bk3/8/2P5/3BK2R
Reprints: Am Rande des Schachbretts , p. 15, 1947
Input: Felber, Volker, 2012-02-03
Last update: Dieter Berlin, 2022-04-25 more...
20 - P1231593
Bruno Oswald Sommer
6677 Die Schwalbe 08-09/1942
Jahresturnier 1942-43
5. Lob
P1231593
(7+5) C+
#2*
* 1. ... Dxa5+ 2. Txa5#
1. 0-0-0! droht 2. Dh1#
1. ... Dxc6+ 2. Sc2#
1. ... e5 2. Sf6#
1. ... Sd6 2. Tc5#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment
Keywords: Castling key, Blocknutzung (dreifach), Provoked check, Battery creation, Batteriematt vertikal, Cross check
Genre: 2#
Computer test: popeye 4.87
FEN: q1n5/3N2n1/2R1p3/P2k4/3N3Q/8/8/R3K3
Reprints: Am Rande des Schachbretts , p. 15, 1947
6677 Die Schwalbe , p. 54, 07-08/1947
Input: Felber, Volker, 2012-02-03
Last update: Dieter Berlin, 2022-04-25 more...
21 - P1233456
Bruno Oswald Sommer
110 Die Schwalbe , p. 4, 01-02/1950
3. lobende Erwähnung
Internationales Problemturnier der Arbeitsgemeinschaft Deutscher Schachverbände 1949
P1233456
(11+7) C+
#2
* 1. ... Sxg6 2. Le6#
* 1. ... Se1 2. Tf4#
1. Tc4? Sxg6!
1. Lc4? Sge1!
1. Sc4! Sxg6 2. Scd6#
1. ... Sge1 2. Se3#
1. ... Ke4 2. Scd6#
1. ... Kg4 2. Se3#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment

Genre: 2#
Computer test: popeye 4.87
FEN: 8/5Np1/R5P1/2p1Pk1p/R6n/5pP1/B1PN1PnK/8
Reprints: 824 Schach-Express 01/06/1950
Input: Felber, Volker, 2012-03-01
Last update: Dieter Berlin, 2022-04-25 more...
22 - P1250313
Bruno Oswald Sommer
1801 Schach 8, p. 126, 04/1954
1. Preis
P1250313
(12+12)
#3
1. Sxd5? e6! 2. Tf2 exd5!
1. Sd3? Sd6!
1. Sa6! (droht 2. Tb5 3. Lb2)
1. ... Th4 2. Tg2
1. ... e6 2. Tf2
1. ... d6 2. Tb4
1. ... Sd6 2. Td2 Sc4 3. Td3#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (except for the double mate threat 1.Sa6 Sd6 2.Td2 thr. 3.Lb2,Td3#) (2022-11-25)
comment

Genre: 3#
FEN: 2b1qb2/1P1ppn2/7r/2Ppp1p1/PN2P3/k4P1P/pR5P/B2B2K1
Input: Felber, Volker, 2012-09-30
Last update: Felber, Volker, 2022-11-25 more...
23 - P1252247
Bruno Oswald Sommer
7825 Die Schwalbe 05-06/1950
P1252247
(7+8) C+
#2
1. 0-0-0? d5!
1. Td1! droht 2. Db5#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2022-04-25)
Henrik Juel: 1.0-0-0? thr. 2.Db5#, but 1... d5!
1.Td1 thr. 2.Db5#
1... d5 2.Tc1# (2022-04-25)
comment

Genre: 2#
Computer test: Popeye 4.61
FEN: 1nrbnNb1/N2p4/Q7/2k3p1/6R1/1B6/8/R3K3
Input: Felber, Volker, 2012-10-25
Last update: Dieter Berlin, 2022-04-26 more...
24 - P1253711
Bruno Oswald Sommer
8462 Die Schwalbe 07-08/1952
2. Preis - Zweizüger
1. Internationales Problemturnier des Schachvereins Dortmund - Hombruch – Barop, 1951
P1253711
(11+9) C+
#2
1. Dc1! droht 2. Se3#
1. ... Lf7 2. e4#
1. ... Lb5 2. Sd3#
1. ... Lc6 2. Se4#
1. ... Tb3 2. Dxe1#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-04-25)
comment

Genre: 2#
Computer test: popeye 4.87
FEN: 4bR2/B7/B3R3/8/1p4P1/p3Q2P/r1p1PNNp/1r2bk1K
Input: Felber, Volker, 2012-11-16
Last update: Dieter Berlin, 2022-04-25 more...
25 - P1253973
Bruno Oswald Sommer
8659 Die Schwalbe 10-11/1952
2. ehrende Erwähnung
Informalturnier
P1253973
(7+10)
#4
1. De1? Ka3 2. Tc6 Ka2!
1. Tf1! droht 2. De1 Ka3 3. Da1+ Kb4 4. Da4#
1. ... axb5 2. Dg1 Ka3 3. Ta1+ Kb4 4. Lc3#
1. ... Ka3 2. Ta1 Kb4 3. Dxd6 Kxb5 4. Dc5#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2021-11-11)
comment
Keywords: Turton (T-D), Holzhausen (virtueller)
Genre: n#
FEN: 3b4/1b1p4/p2p1p2/1P1p4/3B4/1p1p1KQ1/kN1P4/2R5
Reprints: 50 Die Schwalbe 259/260, p. 369, 03/1955
Input: Felber, Volker, 2012-11-19
Last update: Gunter Jordan, 2022-11-21 more...
26 - P1254644
Bruno Oswald Sommer
9098 Die Schwalbe 09-10/1953
P1254644
(8+4) C+
#2*
* 1. ... Kg4 2. e4#
1. e3! (Zugzwang) Kg5 2. e4#
1. ... Lg5 2. g4#
1. ... Le1 2. Dh5#
play all play one stop play next play all
more ...
comment
Keywords: Zugzwang-Goal, discovered checkmate, Pawn mate
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 5N2/8/5p2/3p1k2/3P3b/3K4/4P1PP/2BQ4
Input: Felber, Volker, 2012-12-02
Last update: Dieter Berlin, 2023-01-01 more...
27 - P1256917
Bruno Oswald Sommer
9692 Die Schwalbe 11-12/1954
P1256917
(5+8) C+
#3
1. Ld4? d2!
1. Le5! Tc2 2. Ld4 d2 3. Sxf2#
1. ... Lc4 2. Lxc4 ... 3. Sc5#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2022-02-12)
comment
Keywords: shift of focus, Grimshaw (T/B)
Genre: 3#
Computer test: Popeye 4.61
FEN: 7B/8/b3N1Kp/8/4k1N1/1B1p1p2/p3rp2/8
Input: Felber, Volker, 2012-12-20
Last update: Dieter Berlin, 2022-02-12 more...
28 - P1282174
Bruno Oswald Sommer
Die Schwalbe 1961
P1282174
(6+4) C+
#3
1. Ld3? droht 2. Tc1#
1. ... g1=D!
1. Lf5! droht 2. Lg4#
1. ... g1=S 2. Ld3 Se2 3. Lc2#
1. ... Ke2 2. Txe5+
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2022-02-12)
comment
Keywords: Holst promotion, Dresdner
Genre: 3#
Computer test: Popeye 4.61
FEN: 8/8/1K6/2R1p3/8/1N4B1/3P2p1/1B1k3b
Reprints: XIV. Die Schwalbe 22, p. 79, 08/1973
III Europa-Rochade , p. 33, 08/1984
Input: Felber, Volker, 2014-01-17
Last update: Dieter Berlin, 2022-02-12 more...
29 - P1385720
Bruno Oswald Sommer
2825v Schach 3, p. 45, 02/1958
P1385720
(5+6) C+
h#2
1. Kxd2 d8=L 2. Te2 La5#
play all play one stop play next play all
In der LB 05/1958, Heft 9, Seite 140: sLe8->g1
HBae: Ursprüngliche Absicht siehe P1384927 (2021-01-25)
HBae: Die Versetzung des sLe8 nach g1 macht keinen Sinn. Mit sLf7 klappt es mit zwei Lösungen (C+, Popeye). Der sLg1 ist überflüssig:
1.Kxd2 d8=L 2.Te2 La5#
1.Le8 dxe8=L 2.Txd2 Lh5# (2021-01-25)
more ...
comment

Genre: h#
Computer test: Popeye WINDOWS98-32Bit-Version 3.77 (8192KB)
FEN: 8/B2P3B/8/8/8/8/3Pk3/K1nrrnb1
Input: Felber, Volker, 2021-01-25
Last update: HBae, 2021-01-25 more...
30 - P1388128
Bruno Oswald Sommer
Zürcher Illustrierte 22/08/1930
P1388128
(13+9) C+
#3
1. Dg4! d6 2. e3+ Kc1 3. Tc7#
1. ... d5 2. e4+ Kc2 3. e4xd5#
play all play one stop play next play all
more ...
comment

Genre: 3#
Computer test: Popeye 4.61
FEN: 2b2b2/1p1p2RB/1P2p2B/4P3/Kp1P3Q/1P6/1p2PPp1/1N1k2N1
Reprints: 2127 Deutsche Schachzeitung 4, p. 144, 04/1966
Input: Dieter Berlin, 2021-04-04
Last update: Arnold Beine, 2021-04-06 more...
31 - P1390913
Bruno Oswald Sommer
508 Deutsche Schachzeitung 8, p. 200, 05/1954
P1390913
(8+7) C+
#4
1. b5! Lxb5 2. Ld2 Lc6 3. Txc6 h4 4. Te6#
2. ... Ld7 3. Txd7 h4 4. Td5#
play all play one stop play next play all
more ...
comment
Keywords: Schlagrömer
Genre: n#
Computer test: SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-06-18)
FEN: 8/2R5/b4p2/p3kP1p/1P1pP3/3p1P1K/6P1/2B5
Input: Dieter Berlin, 2021-06-18
Last update: Alfred Pfeiffer, 2021-10-29 more...
32 - P1391107
Bruno Oswald Sommer

2. Preis
Baden-Berlin 1954
P1391107
(12+8) C+
#2
* Ld7 2. Df2#

1. Tf4! Ld7 2. Lf1# 1. ... Kxf4 2. Ld2#
play all play one stop play next play all
more ...
comment

Genre: 2#
Computer test: Popeye 4.61
FEN: 8/p7/p2p1Qp1/B2P1bP1/p1P1P2K/R2Bk3/1P4P1/5Rn1
Reprints: 654 Deutsche Schachzeitung 8, p. 645, 05/1955
Input: Dieter Berlin, 2021-06-26
Last update: Alfred Pfeiffer, 2021-11-17 more...
33 - P1391148
Bruno Oswald Sommer

2. Preis
Baden-Berlin 1953
P1391148
(13+10) C+
#3
1. Kh8? Lb2!

1. Lf1! droht 2. Lg2
1. ... Lf4 2. Kh8 Le5 3. Df7#
1. ... Le3 2. Kh8 Ld4 3. Db3#
play all play one stop play next play all
more ...
comment
Keywords: Römer (Gamage)
Genre: 3#
Computer test: Popeye 4.61, except for a few mate duals
FEN: 5BK1/2RN2Pp/p1PP2p1/1p1k2pr/4r1PP/5Q2/P1N1Bn2/2b5
Reprints: 464 Deutsche Schachzeitung 4, p. 104, 01/1954
Input: Dieter Berlin, 2021-06-30
Last update: Alfred Pfeiffer, 2021-11-22 more...
34 - P1395206
Bruno Oswald Sommer
Deutsche Schachblätter 01/11/1937
P1395206
(9+9) C+
#3
1. Ta7! droht 2. Ld4
1. ... Tgxf2/Tfxf2 2. Lf6
1. ... g3xf2 2. Lg7
1. ... Lxf2 2. Lb2
1. ... Te1 2. Le5
play all play one stop play next play all
more ...
comment

Genre: 3#
Computer test: Juel: Popeye 4.61
FEN: K7/4R3/2p5/2P5/1pQ5/1N4pp/2PP1Pr1/B2k1rbq
Reprints: III. Die Schwalbe 133, p. 435, 01/1939
Input: Dieter Berlin, 2021-10-31
Last update: Dieter Berlin, 2022-08-29 more...
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