46 problem(s) found in 3645 milliseconds (displaying 46 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT K='Hinterstellung' AND S='Revista de Sah'] [download as LaTeX]
a) 1. 0-0-0 Txa2 2. Td7 Ta8#
b) 1. Kf8 0-0-0 2. Te8 Tf1#
In a&b have the same two forward solutions, one with White Castling the other with Black. So it must be retro concerns that eliminate one solution in each case. bRc7 is original in any case, as Black has 7 pawns, and bBb4 is promoted.
a) Black can only promote on g1, because 8 captures total are insufficient to reach further west, and wK will be disturbed on the way out. So White can't castle. Black can then cross-capture c&d pawns, so can castle himself.
b) Black only has 7 captures, and this allows for promotion on g1 (3 captures) and escape via h2, but does not allow for cross-capture of c&d pawns.
This is not PRA but twinned RS.
b) 1. Kf8 0-0-0 2. Te8 Tf1#
In a&b have the same two forward solutions, one with White Castling the other with Black. So it must be retro concerns that eliminate one solution in each case. bRc7 is original in any case, as Black has 7 pawns, and bBb4 is promoted.
a) Black can only promote on g1, because 8 captures total are insufficient to reach further west, and wK will be disturbed on the way out. So White can't castle. Black can then cross-capture c&d pawns, so can castle himself.
b) Black only has 7 captures, and this allows for promotion on g1 (3 captures) and escape via h2, but does not allow for cross-capture of c&d pawns.
This is not PRA but twinned RS.
1) 1. b5 Td7 2. bxc4 Tb7#
2) 1. b6 Txe4 2. b5 c5#
3) 1. bxa6 Sc5 2. a5 Sa6#
4) 1. bxc6 Sa5 2. c5 Sc6#
2) 1. b6 Txe4 2. b5 c5#
3) 1. bxa6 Sc5 2. a5 Sa6#
4) 1. bxc6 Sa5 2. c5 Sc6#
BSp
spiegelverkehrt von R.Senkus in Chess in Australia veröffentlicht
Yuri Bilokin: you can see 1...Rxe4 2.b5 c5# (2024-04-02)
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spiegelverkehrt von R.Senkus in Chess in Australia veröffentlicht
Yuri Bilokin: you can see 1...Rxe4 2.b5 c5# (2024-04-02)
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Keywords: Figurenspiel
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 3K4/1p6/P1P5/4p3/pkPRp3/pNp1P3/2P5/8
Reprints: 183 Chess in Australia 1992
Input: hpr, 1996-12-31
Last update: hpr, 2011-03-06 more...
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 3K4/1p6/P1P5/4p3/pkPRp3/pNp1P3/2P5/8
Reprints: 183 Chess in Australia 1992
Input: hpr, 1996-12-31
Last update: hpr, 2011-03-06 more...
1. Ka3 Sf6 2. Da8+ Se4 3. Dxa4 Sc5 4. Lb2 Txa4#
Autor klären
Felber, Volker: Ich gehe davon aus, dass hier die Korrektur zu P1406481 vorliegt. Dort ist im Original von SCHACH "Eduard Walzinsch" angegeben. In der PDB gibt es beide Schreibweisen für denselben Autor. (2022-12-07)
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Felber, Volker: Ich gehe davon aus, dass hier die Korrektur zu P1406481 vorliegt. Dort ist im Original von SCHACH "Eduard Walzinsch" angegeben. In der PDB gibt es beide Schreibweisen für denselben Autor. (2022-12-07)
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Keywords: Check Protection
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 6Nq/6b1/6p1/1n6/P6R/8/1k6/5b1K
Input: Markus Manhart, 1997-06-26
Last update: hpr, 1999-10-19 more...
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 6Nq/6b1/6p1/1n6/P6R/8/1k6/5b1K
Input: Markus Manhart, 1997-06-26
Last update: hpr, 1999-10-19 more...
1. Tf3 Sd4 2. Ke3 Le2 3. Se4 Kd1 4. Tf2 Sc2#
NL:
1. g5 Kc1 2. Kd3 La4 3. Se4 Lb5#
1. Sh3 Kc1 2. Tb3 Sd4 3. Kd3 Le2+ 4. Kc3 Sb5#
uvm
NL:
1. g5 Kc1 2. Kd3 La4 3. Se4 Lb5#
1. Sh3 Kc1 2. Tb3 Sd4 3. Kd3 Le2+ 4. Kc3 Sb5#
uvm
Teppo Mänttä: There is a sound version (with one capture) by Myllyniemi, see P0502019 (2021-05-18)
comment
comment
Keywords: Interchange (KLS kts)
Genre: h#
FEN: 6n1/7b/6p1/8/1p2k3/4r1P1/2K1Nn2/3B4
Input: Markus Manhart, 1997-09-30
Last update: hpr, 1999-10-21 more...
Genre: h#
FEN: 6n1/7b/6p1/8/1p2k3/4r1P1/2K1Nn2/3B4
Input: Markus Manhart, 1997-09-30
Last update: hpr, 1999-10-21 more...
a) 1. Tc5 Sb2 2. Td5 Kf4 3. Tc3 Se6#
b) 1. Kd3 Sb6 2. Ke3 Kh4 3. Kf4 Sd5#
b) 1. Kd3 Sb6 2. Ke3 Kh4 3. Kf4 Sd5#
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/8/8/4rrN1/2Nk4/6K1/8/8
Reprints: 2602 Revista de Sah 01/1970
Input: Markus Manhart, 1997-09-30
Last update: hpr, 1999-02-15 more...
a) 1. Ke6 Kc5 2. Ke5 Te1#
a) 1. Kc6 Ke5 2. Kc5 Tc1#
b) 1. Lbd7 Tb1 2. Kc6 Tb6#
b) 1. Lfd7 Tf1 2. Ke6 Tf6#
a) 1. Kc6 Ke5 2. Kc5 Tc1#
b) 1. Lbd7 Tb1 2. Kc6 Tb6#
b) 1. Lfd7 Tf1 2. Ke6 Tf6#
Keywords: Symmetrical position, Miniature, Obvious promotion
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/8/3k4/1p1N1p2/3K4/8/8/3R4
Input: Hans-Jürgen Schäfer, 1997-09-01
Last update: Rainer Staudte, 2023-02-27 more...
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/8/3k4/1p1N1p2/3K4/8/8/3R4
Input: Hans-Jürgen Schäfer, 1997-09-01
Last update: Rainer Staudte, 2023-02-27 more...
1) 1. Lxd6 Lc6+ 2. Lb4 Sd3#
2) 1. Dxf4 Sc4 2. Dc7+ Lxc7#
NL:
1. Dxf4 Lf3+ 2. Db4 Sc4#
2) 1. Dxf4 Sc4 2. Dc7+ Lxc7#
NL:
1. Dxf4 Lf3+ 2. Db4 Sc4#
Yuri Bilokin: correction Yuri Bilokin & Mykola R. Vasyuchko Exchange Qa4-Rc1, +bPd2 1k1K4/pB6/p2N4/p7/r4Nb1/b1r5/1R1p3B/2q5 (6+10) h#2 2.1…
1.Bxd6 Bc6+ 2.Bb4 Sd3#
1.Rxf4 Bf3+ 2.Rb4 Sc4#
Annihilation × 2
Exchange of functions (wSf4/wSd6, Captured / Mating battery firing)
Grimshaw (black)
JT Onkoud 50 theme
Play on the same square (B2, 2)
Zilahi (passive, SS, 2)
Pin-mate
Battery mate × 2 (2022-11-22)
comment
1.Bxd6 Bc6+ 2.Bb4 Sd3#
1.Rxf4 Bf3+ 2.Rb4 Sc4#
Annihilation × 2
Exchange of functions (wSf4/wSd6, Captured / Mating battery firing)
Grimshaw (black)
JT Onkoud 50 theme
Play on the same square (B2, 2)
Zilahi (passive, SS, 2)
Pin-mate
Battery mate × 2 (2022-11-22)
comment
Keywords: Sacrifice of white pieces
Genre: h#
FEN: 1k1K4/pB6/p2N4/p7/q4Nb1/b1r5/1R5B/2r5
Input: Hans-Jürgen Schäfer, 1997-10-11
Last update: hpr, 1999-10-28 more...
Genre: h#
FEN: 1k1K4/pB6/p2N4/p7/q4Nb1/b1r5/1R5B/2r5
Input: Hans-Jürgen Schäfer, 1997-10-11
Last update: hpr, 1999-10-28 more...
a) 1. Te8 Txd2 2. Te5 c4#
b) 1. Ke5 Tf6 2. Td5 f4#
NL in a):
a) 1. Lxf2 Txf2 2. Lg2 Tf5#
b) 1. Ke5 Tf6 2. Td5 f4#
NL in a):
a) 1. Lxf2 Txf2 2. Lg2 Tf5#
Teppo Mänttä: I suggest a simple correction: move the black Bishop from e1 to c1 (C+). (2021-05-10)
comment
comment
Keywords: Echo, Fesselungsspiel (222 202 000)
Genre: h#
FEN: 3r4/1K6/2R5/3k4/3pp3/8/2PnRP2/4b2b
Input: Markus Manhart, 1998-05-09
Last update: hpr, 1999-11-11 more...
Genre: h#
FEN: 3r4/1K6/2R5/3k4/3pp3/8/2PnRP2/4b2b
Input: Markus Manhart, 1998-05-09
Last update: hpr, 1999-11-11 more...
1) 1. Kd7 Tb3 2. Kc8 Le5 3. Dd7 Tb8#
2) 1. Ke7 Td3 2. Df7+ Lf6+ 3. Ke8 Td8#
3) 1. Kf7 Th3 2. Kg8 Lf6 3. Df7 Th8#
2) 1. Ke7 Td3 2. Df7+ Lf6+ 3. Ke8 Td8#
3) 1. Kf7 Th3 2. Kg8 Lf6 3. Df7 Th8#
Yuri Bilokin: more economical –wPg2, -bPh2, +bRg4 4q3/8/4k3/8/6r1/2R5/8/B4K2 (3+3) (2022-05-26)
comment
comment
Keywords: Echo-Kombinationen
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 4q3/8/4k3/8/8/2R5/6Pp/B4K2
Input: Ronald Schäfer, 1998-01-02
Last update: hpr, 1999-01-09 more...
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 4q3/8/4k3/8/8/2R5/6Pp/B4K2
Input: Ronald Schäfer, 1998-01-02
Last update: hpr, 1999-01-09 more...
1) 1. Df8 La7 2. Dc5 Kd2 3. Kd4 Tb4#
2) 1. Dg3 La7 2. Dc3 Tb6 3. Kd4 Tb4#
NL:
1. Dh6 Lc1 2. Kc5 Kd3 3. Dc6 La3#
2) 1. Dg3 La7 2. Dc3 Tb6 3. Kd4 Tb4#
NL:
1. Dh6 Lc1 2. Kc5 Kd3 3. Dc6 La3#
Keywords: Fesselungsspiel (111 101 000)
Genre: h#
FEN: 1R6/8/8/4p3/2k1Pq2/4B3/4K3/8
Input: Markus Manhart, 1998-06-10
Last update: hpr, 1999-11-20 more...
Genre: h#
FEN: 1R6/8/8/4p3/2k1Pq2/4B3/4K3/8
Input: Markus Manhart, 1998-06-10
Last update: hpr, 1999-11-20 more...
1) 1. Dc5 Tf4 2. Kd6 Lg3 3. Sc6 Td4#
2) 1. Dc5 Ld2 2. Kd6 Td1 3. Sc6 Lf4#
3) 1. Kd7 Kg8 2. Ke8 Lb4 3. Dd7 Tf8#
2) 1. Dc5 Ld2 2. Kd6 Td1 3. Sc6 Lf4#
3) 1. Kd7 Kg8 2. Ke8 Lb4 3. Dd7 Tf8#
Yuri Bilokin: version: -wPh4, then a1=b1 8/6K1/3kq3/8/4n3/8/8/5BR1 (3+3) h#3 3.1...
1.Qd5 Rg4 2.Ke6 Bh3 3.Sd6 Re4# (IM)
1.Qd5 Be2 2.Ke6 Re1 3.Sd6 Bg4# (IM)
1.Ke7 Kh8 2.Kf8 Bc4 3.Qe7 Rg8# (2022-05-20)
comment
1.Qd5 Rg4 2.Ke6 Bh3 3.Sd6 Re4# (IM)
1.Qd5 Be2 2.Ke6 Re1 3.Sd6 Bg4# (IM)
1.Ke7 Kh8 2.Kf8 Bc4 3.Qe7 Rg8# (2022-05-20)
comment
Genre: h#
Computer test: (Popeye C-Version 3.52 (2048 KB))
FEN: 8/5K2/2kq4/8/3n3P/8/8/4BR2
Input: Markus Manhart, 1998-08-13
Last update: hpr, 1999-01-29 more...
1) 1. Sc6 Tc3 2. Kb8 Txc6 3. Ka8 Tc8#
2) 1. Sb7 Tf3 2. Ld8 Tf7 3. Te4 axb7#
2) 1. Sb7 Tf3 2. Ld8 Tf7 3. Te4 axb7#
Yuri Bilokin: more economical -bQh1 1nknr3/p7/P4b2/8/8/R5K1/6b1/6r1 (3+8)
comment (2022-06-02)
comment
comment (2022-06-02)
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Genre: h#
Computer test: (Popeye C-Version 3.47 (1024 KB))
FEN: 1nknr3/p7/P4b2/8/8/R5K1/6b1/6rq
Input: Franz Pachl, 1998-08-31
Last update: hpr, 1999-11-21 more...
a) 1. e1=L d4 2. Ke2 Lg5 3. c1=S Lf5 4. Sd3 Lxg4#
b) 1. c1=L Ld3 2. fxe1=L Lxb5 3. Lexd2 Lxa4 4. De1 Lxb3#
b) 1. c1=L Ld3 2. fxe1=L Lxb5 3. Lexd2 Lxa4 4. De1 Lxb3#
Rainer Staudte: Autor: Tibor Flórián (Feldmann war sein Pseudonym) (2008-06-07)
SCHRECKE: Nebenlösungen
a) 1. De1 d3,d4 2. f1=L Lf4 3. Dd2 Lxc2+ 4. Ke1 Lg3#
b) z.B.: 1. c1=T Lxf2 2. Kxd2 Le4 3. Td1 Lg3 4. De1 Lf4# (2022-10-19)
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SCHRECKE: Nebenlösungen
a) 1. De1 d3,d4 2. f1=L Lf4 3. Dd2 Lxc2+ 4. Ke1 Lg3#
b) z.B.: 1. c1=T Lxf2 2. Kxd2 Le4 3. Td1 Lg3 4. De1 Lf4# (2022-10-19)
comment
Genre: h#
FEN: 4K3/6r1/8/8/p5p1/PpP5/1PpPpp2/1BBk1q2
Input: Markus Manhart, 1998-11-01
Last update: Alfred Pfeiffer, 2014-03-20 more...
1) 1. f5 Kg2 2. Lf6 Kf3 3. Th4 Kxe3 4. Tf4 gxf4#
2) 1. Le7+ Kg4 2. Kf6 Kf4 3. Th7 g4 4. Tg7 g5#
NL:
1. Th7 g4 2. Le7+ Kg3 3. Kf6 Kf4 4. Tg7 g5#
2) 1. Le7+ Kg4 2. Kf6 Kf4 3. Th7 g4 4. Tg7 g5#
NL:
1. Th7 g4 2. Le7+ Kg3 3. Kf6 Kf4 4. Tg7 g5#
Genre: h#
FEN: 8/5p2/3pp1p1/3pk2r/7b/4p1PK/8/8
Input: Markus Manhart, 1999-02-20
Last update: Markus Manhart, 1999-02-20 more...
a) 1. Kd5 e3 2. Te5+ Kd7 3. Tc5 Td4#
b) 1. Tc5 e4 2. Tc6 Tc5 3. Te6 Td5#
Cook: NL
b) 1. Te5 Txc8 2. Ke6 e4 3. Tf7 Tc6#
b) 1. Tc5 e4 2. Tc6 Tc5 3. Te6 Td5#
Cook: NL
b) 1. Te5 Txc8 2. Ke6 e4 3. Tf7 Tc6#
Adrian Storisteanu: Possible fix: +bPb7 (3+7). (2015-10-03)
Yuri Bilokin: Correction: bQf6, bSc8-a7 3K4/n3r3/1p1k1q2/r7/2R5/8/4P3/8 (3+6) b) bQf6-c3 (2021-06-23)
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Yuri Bilokin: Correction: bQf6, bSc8-a7 3K4/n3r3/1p1k1q2/r7/2R5/8/4P3/8 (3+6) b) bQf6-c3 (2021-06-23)
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Keywords: Echo, Reihen-Echo
Genre: h#
FEN: 2nK4/4r3/1p1k1b2/r7/2R5/8/4P3/8
Input: Ralf Binnewirtz, 1998-10-07
Last update: Alfred Pfeiffer, 2015-10-03 more...
Genre: h#
FEN: 2nK4/4r3/1p1k1b2/r7/2R5/8/4P3/8
Input: Ralf Binnewirtz, 1998-10-07
Last update: Alfred Pfeiffer, 2015-10-03 more...
1. Sa5! droht 2. Sb3#
1. ... Td2 2. Lb2#
1. ... Ld2 2. Tad3#
1. ... Te6 2. Sf5#
1. ... Le6 2. Dg7#
1. ... e6 2. Dg4#
1. ... Td5 2. Dxd5#
1. ... Td2 2. Lb2#
1. ... Ld2 2. Tad3#
1. ... Te6 2. Sf5#
1. ... Le6 2. Dg7#
1. ... e6 2. Dg4#
1. ... Td5 2. Dxd5#
Keywords: Brian Stephenson Collection (9342), Grimshaw, theme A, Line closing
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 6QK/qN1bp2p/p2r3N/1p6/1P1k4/R3R3/B1p5/2Brb3
Reprints: 31 Schach-Express , p. 25, 02/04/1947
517 FIDE Album 1914-1944/I , p. 102, 1971
1048 Beispiele zur Ideengeschichte des Schachproblems , p. 215, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-03-26 more...
Genre: 2#
Computer test: SCHRECKE: popeye 4.87
FEN: 6QK/qN1bp2p/p2r3N/1p6/1P1k4/R3R3/B1p5/2Brb3
Reprints: 31 Schach-Express , p. 25, 02/04/1947
517 FIDE Album 1914-1944/I , p. 102, 1971
1048 Beispiele zur Ideengeschichte des Schachproblems , p. 215, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-03-26 more...
17 - P1097387
Franz Palatz
395 Revista de Sah 15/08/1926
Wolfgang Pauly zum 50. Geburtstag gweidmet
(9+7) C+
s#2
Ohneschach
Franz Palatz
395 Revista de Sah 15/08/1926
Wolfgang Pauly zum 50. Geburtstag gweidmet
(9+7) C+
s#2
Ohneschach
* 1. ... Sc3#
1. Lxd7 Kc4 2. c3 Sxd2#
1. Lxd7 Kc4 2. c3 Sxd2#
1. Tc5! b6 2. Dxg4+ Lf4 3. Dxe2+ Le3 4. Dxc4+ Ld4 5. De6+ Le5 6. Td5 g4 7. Tgd3 g3 8. Sf3 g2#
Cook: NL: 1. Td8! b6 2. Tgd3 cxd3 3. Txd3 g3 4. Sxg3+ Kf4 5. Sxe2+ Ke4 6. c4 g4 7. Txb3 g3 8. Sc2 g2#
2. ... g3 3. Sxg3+ Kf4 4. Sxe2+ Ke4 5. Tg3 g4 6. Sd3 cxd3 7. Tgxd3 g3 8. c4 g2#
1. Td7!, 1. Td6!, 1. Td2!
Cook: NL: 1. Td8! b6 2. Tgd3 cxd3 3. Txd3 g3 4. Sxg3+ Kf4 5. Sxe2+ Ke4 6. c4 g4 7. Txb3 g3 8. Sc2 g2#
2. ... g3 3. Sxg3+ Kf4 4. Sxe2+ Ke4 5. Tg3 g4 6. Sd3 cxd3 7. Tgxd3 g3 8. c4 g2#
1. Td7!, 1. Td6!, 1. Td2!
Marcin Banaszek: Eine Korrektur (+sBh6) rettet die Aufgabe, Gustav 4.1c C+ (2023-12-03)
more ...
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more ...
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Keywords: Pure Round Trip (Dl)
Genre: s#
FEN: 8/1p5B/4Q1r1/1P1Rb1pN/2p1k1p1/1pP3R1/1P2p2p/4N2K
Reprints: 21 Szachy 04/1969
208 Polskie samomaty 1991
Input: Frank Müller, 2009-12-31
Last update: Marcin Banaszek, 2023-12-03 more...
Genre: s#
FEN: 8/1p5B/4Q1r1/1P1Rb1pN/2p1k1p1/1pP3R1/1P2p2p/4N2K
Reprints: 21 Szachy 04/1969
208 Polskie samomaty 1991
Input: Frank Müller, 2009-12-31
Last update: Marcin Banaszek, 2023-12-03 more...
1. Dd8 dxe7 2. Kd6 exd8=D+ 3. Kc6 Dc7#
1. Dd8 dxe7 2. Kd7 exd8=D+ 3. Kc6 Dc7#
1. Sc6 d7 2. Dc8 Te7+ 3. Kd6 dxc8=S#
1. Dg5 dxe7 2. Df5 e8=D+ 3. Le7 Dxe7#
1. Dg6 dxe7 2. Df5 e8=D+ 3. Le7 Dxe7#
1. Dd8 dxe7 2. Kd7 exd8=D+ 3. Kc6 Dc7#
1. Sc6 d7 2. Dc8 Te7+ 3. Kd6 dxc8=S#
1. Dg5 dxe7 2. Df5 e8=D+ 3. Le7 Dxe7#
1. Dg6 dxe7 2. Df5 e8=D+ 3. Le7 Dxe7#
Yuri Bilokin: Correction: bSe7-d8, -bPb2, -bPd3 3n2q1/7R/p2Pkn2/8/2K5/b7/8/8 (3+6)
1.Sc6 d7 2.Qc8 Re7+ 3.Kd6 dxc8=S# (MM)
Check prevention (B-W) × 2. Promotion (S, 1). Valve (bS-bQ) (2021-06-24)
Yuri Bilokin: more economical 3n2q1/1p4R1/3Pkn2/8/2K5/8/8/8 (3+5) (2022-06-02)
comment
1.Sc6 d7 2.Qc8 Re7+ 3.Kd6 dxc8=S# (MM)
Check prevention (B-W) × 2. Promotion (S, 1). Valve (bS-bQ) (2021-06-24)
Yuri Bilokin: more economical 3n2q1/1p4R1/3Pkn2/8/2K5/8/8/8 (3+5) (2022-06-02)
comment
1. Df6! Kxc4 2. Dc3#
1. ... d4 2. Dc6#
1. ... dxc4 2. De5#
1. ... d4 2. Dc6#
1. ... dxc4 2. De5#
1. Kb1 Kb3 2. Sd5 Ka3 3. Kc2 Ka2 4. Ta4#
1. ... Kd2 2. Kb2 Kd1 3. Kc3 Kc1 4. Te1#
1. ... Kd2 2. Kb2 Kd1 3. Kc3 Kc1 4. Te1#
1. Dd7 Kxa5,Sxa5,Sd6,Sd8 2. Dc7#
1. ... Kxc5 2. Dc6#
1. ... Ka7 2. Dxb7#
1. ... Sxc5 2. Sc4#
1. ... Kxc5 2. Dc6#
1. ... Ka7 2. Dxb7#
1. ... Sxc5 2. Sc4#
Keywords: Miniature Collection (0254241), Aristocrat, Minimal, Miniature
Genre: 2#
FEN: 8/1n6/1k6/NBR5/8/2K4Q/8/8
Input: Felber, Volker, 2010-09-11
Last update: Rainer Staudte, 2022-11-11 more...
Genre: 2#
FEN: 8/1n6/1k6/NBR5/8/2K4Q/8/8
Input: Felber, Volker, 2010-09-11
Last update: Rainer Staudte, 2022-11-11 more...
1. Lc4+! Kxa3 2. Da1#
1. ... Kc3 2. Dh8#
1. ... Kc5 2. Dd5#
1. ... Ka4,Ka5 2. Da8#
1. ... Kc3 2. Dh8#
1. ... Kc5 2. Dd5#
1. ... Ka4,Ka5 2. Da8#
Keywords: Miniature Collection (0022812), Aristocrat, Miniature
Genre: 2#
FEN: 4K3/8/8/8/1k6/NB6/1R6/7Q
Input: Felber, Volker, 2010-09-12
Last update: Rainer Staudte, 2023-01-07 more...
Genre: 2#
FEN: 4K3/8/8/8/1k6/NB6/1R6/7Q
Input: Felber, Volker, 2010-09-12
Last update: Rainer Staudte, 2023-01-07 more...
1. Dc1 Kd3 (1... Ke4 2. Dd2 Ke5 3. Df4#) 2. Kf3 Kd4 3. De3#
e018
Sally: Doppelsetzung (Echo) ohne Nebenspiele; das entsprechende Modellmatt lässt sich im vier-Steiner, nicht als reines Echo darstellen. Die Aufgabe ist an sich nur eine von 2 Varianten eines 4- Steiners von Knotek - die Abkürzung strafft aber den Inhalt und ermöglichte es, einen guten Schlüsselzug vorzubauen.
Nr.575 Mattaufg. mit 3 und 4 Steinen I. Teil(Speckmann 1976) (2012-04-11)
SCHRECKE: C+, popeye 4.87 (2022-04-12)
comment
Sally: Doppelsetzung (Echo) ohne Nebenspiele; das entsprechende Modellmatt lässt sich im vier-Steiner, nicht als reines Echo darstellen. Die Aufgabe ist an sich nur eine von 2 Varianten eines 4- Steiners von Knotek - die Abkürzung strafft aber den Inhalt und ermöglichte es, einen guten Schlüsselzug vorzubauen.
Nr.575 Mattaufg. mit 3 und 4 Steinen I. Teil(Speckmann 1976) (2012-04-11)
SCHRECKE: C+, popeye 4.87 (2022-04-12)
comment
Keywords: Miniature Collection (0059430)
Genre: 3#
FEN: 8/5B2/8/8/3k2K1/8/2Q5/8
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...
Genre: 3#
FEN: 8/5B2/8/8/3k2K1/8/2Q5/8
Input: Felber, Volker, 2010-09-12
Last update: Felber, Volker, 2010-09-12 more...
1. b1=T 2. Txb6 3. Tc6 4. b5 5. b4 6. b3 7. b2 8. b1=T 9. Tg1 10. Txg5 11. Te5 12. g5 13. g4 14. g3 15. gxf2 16. f1=T 17. Tfxf6 18. Tfd6 19. f5 20. f4 21. f3 22. f2 23. f1=T 24. Tff6 25. Tfe6 c4#
Keywords: Seriesmover, Kindergarten Problem, Promotion (tttt), under-promotion, Excelsior
Genre: Fairies
FEN: 8/1p3p2/1P3Pp1/2pk2P1/8/2PK4/1p3P2/8
Input: Erich Bartel, 2013-03-03
Last update: Alfred Pfeiffer, 2018-01-22 more...
Genre: Fairies
FEN: 8/1p3p2/1P3Pp1/2pk2P1/8/2PK4/1p3P2/8
Input: Erich Bartel, 2013-03-03
Last update: Alfred Pfeiffer, 2018-01-22 more...
1. Da1! Kg2 2. Kc3 Kf1 3. Kd2 Kg2 4. Da8 Kf1 5. Dg8 c6,f5 6. Dg7 f5,c6 7. Da1 Kg2 8. Kc3 Kf1 9. Kd4 Kg2 10. Dc3 Kf1 11. Lxf3 Sxf3#
Anton Baumann: obige Lösung ist die dualfreie Variante;
andere vollzügige Varianten haben zahlreiche Duale:
zB. 4. ... f5 5.Da1,Df8,Dg8,Dh8
oder 3. ... c6 4.Da2,Da3 ... (2022-07-01)
comment
andere vollzügige Varianten haben zahlreiche Duale:
zB. 4. ... f5 5.Da1,Df8,Dg8,Dh8
oder 3. ... c6 4.Da2,Da3 ... (2022-07-01)
comment
Keywords: Pure Round Trip (DK)
Genre: s#
FEN: 8/2p5/5p2/2P4B/1PPK1p2/2QP1p1p/4pP1p/4Bknr
Reprints: 489 FIDE Album 1968-1970 1977
Input: Frank Müller, 2013-07-04
Last update: Marcin Banaszek, 2020-05-26 more...
Genre: s#
FEN: 8/2p5/5p2/2P4B/1PPK1p2/2QP1p1p/4pP1p/4Bknr
Reprints: 489 FIDE Album 1968-1970 1977
Input: Frank Müller, 2013-07-04
Last update: Marcin Banaszek, 2020-05-26 more...
1. Dd5! Tb8 2. Ta2+ Kb7 3. Sca7+ c6 4. Dd7+ Ka8 5. Dxc6+ Tb7 6. Txg7 Lxg7#
1. ... Ta7 2. Tf8+ Kb7 3. Scb8+ c6 4. Dd7+ Ka8 5. Dxc6+ Tb7 6. Txg7 Lxg7#
Cook: Dual 1. Dd5! Tb8 2. Ta2+, 2. Sa5+
1. ... Ta7 2. Tf8+ Kb7 3. Scb8+ c6 4. Dd7+ Ka8 5. Dxc6+ Tb7 6. Txg7 Lxg7#
Cook: Dual 1. Dd5! Tb8 2. Ta2+, 2. Sa5+
SCHRECKE: Nach 1. ... Tb8 ist es dualistisch:
2.Sa5+ c6 3.D:c6+ Tb7 4.Ta2 b:a5 5.Ta3 a4 6.T:g7 L:g7#
2. ... Tb7 3.L:c7 b:a5 4.Ta2 a4 5.Lh2 a3 6.T:g7 L:g7# (2021-03-26)
comment
2.Sa5+ c6 3.D:c6+ Tb7 4.Ta2 b:a5 5.Ta3 a4 6.T:g7 L:g7#
2. ... Tb7 3.L:c7 b:a5 4.Ta2 a4 5.Lh2 a3 6.T:g7 L:g7# (2021-03-26)
comment
Genre: s#
FEN: k5BK/1rp3pP/1pN3Rb/1N4p1/6P1/6B1/5RQ1/8
Input: Frank Müller, 2013-07-04
Last update: Marcin Banaszek, 2021-04-01 more...
1. Kf1 Ld1 2. Kg2 Le2 3. Kh2 Ld1 4. Kh1 Lf3+ 5. Kg1 Le2 6. Kg2 Ld1 7. Kf1 Lf3 8. Ke1
Cook: Nebenlösung in 16 Zügen:
1. Ld7 e2 2. Le6 a6 3. Ld7 a5 4. Le6 b6 5. Ld7 a4 6. Le6 a3 7. Ld7 b5 8. Le6 c6 9. Ld7 c5 10. Le6 c4 11. Ld7 cxb3 12. cxb3 e5 13. Le6 e4 14. Ld7 e3 15. Le6 Lg4 16. hxg4#
Cook: Nebenlösung in 16 Zügen:
1. Ld7 e2 2. Le6 a6 3. Ld7 a5 4. Le6 b6 5. Ld7 a4 6. Le6 a3 7. Ld7 b5 8. Le6 c6 9. Ld7 c5 10. Le6 c4 11. Ld7 cxb3 12. cxb3 e5 13. Le6 e4 14. Ld7 e3 15. Le6 Lg4 16. hxg4#
msterkowiec: I think it is worth noting that #16 can be reached also after 3.Kd2 or 3.Kf2 (wh.Be6 can stand still there blocking bl.p.e7), for example: 3. Kf2 e1Q+ 4. K:e1 c6
Now there are again two possibilities:
* 5. Kd2 c5 6. Ke1 b6 7. Kd2 a5 8. Ke1 b5 9. Kd2 c4 10. Ke1 a4 11. Kd2 a3 12. Ke1 c3 13. Kf2 (or 13. Kf1) 13....Bd1 14. Ke3 Be2 15. K:e2 g5 16. Bf7x
* 5. Kf2 Bd1 6. Ke3 a5 7. Kf2 b6 8. Ke3 c5 9. Kf2 b5 10. Ke3 a4 11. Kf2 c4 12. Ke3 a3 13. Kf2 c3 14. Ke3 Be2 15. K:e2 g5 16. Bf7x (2024-04-10)
comment
Now there are again two possibilities:
* 5. Kd2 c5 6. Ke1 b6 7. Kd2 a5 8. Ke1 b5 9. Kd2 c4 10. Ke1 a4 11. Kd2 a3 12. Ke1 c3 13. Kf2 (or 13. Kf1) 13....Bd1 14. Ke3 Be2 15. K:e2 g5 16. Bf7x
* 5. Kf2 Bd1 6. Ke3 a5 7. Kf2 b6 8. Ke3 c5 9. Kf2 b5 10. Ke3 a4 11. Kf2 c4 12. Ke3 a3 13. Kf2 c3 14. Ke3 Be2 15. K:e2 g5 16. Bf7x (2024-04-10)
comment
1. Ke5 g4 2. Kd4 Kf6 3. Kd3! Ke5 4. Ke3 f4+ 5. gxf4+ Kf5 6. Kf2! Kxf4 7. Kg2 g3 8. Kh3 Kf3 patt
7. ... Ke4 8. Kf2 Kd3 9. Kg3 Ke3
4. ... Kd5 5. Kd3!
5. Kf4? Ke6 6. Ke3 Ke5
3. Ke3? Ke5 4. Kf2 f4 5. Kg2 fxg3! 6. Kxg3 Ke4 7. Kg2 Kf4 8. Kh2 Kf3
3. Kd5? f4! 4. Ke4! fxg3 5. Ke3 Kf5 6. Ke2 Kf4
2. Ke6? f4 3. gxf4 g3 4. f5+ Kg7! 5. Ke7 g2 6. f6+ Kg6 7. f7 g1=D 8. f8=D Dc5+ 9. Ke8 Dxf8+ 10. Kxf8 Kf5 11. Kf7 Kg4 12. Ke6 Kxh4 13. Ke5 Kg3
2. Kf4? Kf6 3. Ke3 Ke5 4. Kf2 f4 5. Kg2 fxg3! 6. Kxg3 Ke4 7. Kg2 Kf4 8. Kh2 Kf3
1. ... gxh4 2. gxh4
1. ... f4 2. gxf4 gxh4! 3. Ke4 h3 4. Kf3 h4 5. Kf2
7. ... Ke4 8. Kf2 Kd3 9. Kg3 Ke3
4. ... Kd5 5. Kd3!
5. Kf4? Ke6 6. Ke3 Ke5
3. Ke3? Ke5 4. Kf2 f4 5. Kg2 fxg3! 6. Kxg3 Ke4 7. Kg2 Kf4 8. Kh2 Kf3
3. Kd5? f4! 4. Ke4! fxg3 5. Ke3 Kf5 6. Ke2 Kf4
2. Ke6? f4 3. gxf4 g3 4. f5+ Kg7! 5. Ke7 g2 6. f6+ Kg6 7. f7 g1=D 8. f8=D Dc5+ 9. Ke8 Dxf8+ 10. Kxf8 Kf5 11. Kf7 Kg4 12. Ke6 Kxh4 13. Ke5 Kg3
2. Kf4? Kf6 3. Ke3 Ke5 4. Kf2 f4 5. Kg2 fxg3! 6. Kxg3 Ke4 7. Kg2 Kf4 8. Kh2 Kf3
1. ... gxh4 2. gxh4
1. ... f4 2. gxf4 gxh4! 3. Ke4 h3 4. Kf3 h4 5. Kf2
Anton Baumann: Cook: unlösbar! nach 5.gxf4+ Kf5! gewinnt gemäss Nalimov Schwarz:
6.Kf2 Kxf4 7.Kg2 Ke4 (7. .. g3??) 8.Kf2 Kd3 9.Kg2 Ke2 10.Kg3 Kf1 11.Kh2 Kf2! 12.Kh1 Kg3 (12. .. g3??) 13.Kg1 Kxh4 14.Kg2 g3 ... und S gewinnt. (2021-10-29)
comment
6.Kf2 Kxf4 7.Kg2 Ke4 (7. .. g3??) 8.Kf2 Kd3 9.Kg2 Ke2 10.Kg3 Kf1 11.Kh2 Kf2! 12.Kh1 Kg3 (12. .. g3??) 13.Kg1 Kxh4 14.Kg2 g3 ... und S gewinnt. (2021-10-29)
comment
Keywords: Stalemate defense
Genre: Studies
FEN: 8/8/3K2k1/5ppp/7P/6P1/8/8
Input: Rainer Staudte, 2016-09-14
Last update: Rainer Staudte, 2016-09-14 more...
Genre: Studies
FEN: 8/8/3K2k1/5ppp/7P/6P1/8/8
Input: Rainer Staudte, 2016-09-14
Last update: Rainer Staudte, 2016-09-14 more...
1. Kd2! Kb5 2. Se5 Kb4 3. Tb8#
1. ... Kd5 2. Db6 Kc4 3. Se3#
1. ... Kd6 2. Db6+ Kd5 3. Se3#
2. ... Kd7 3. Sf6#
1. ... Kd5 2. Db6 Kc4 3. Se3#
1. ... Kd6 2. Db6+ Kd5 3. Se3#
2. ... Kd7 3. Sf6#
Keywords: Aristocrat
Genre: 3#
FEN: 4R3/Q7/2k5/8/6N1/8/8/4K3
Input: Rainer Staudte, 2020-11-22
Last update: Rainer Staudte, 2020-11-22 more...
Genre: 3#
FEN: 4R3/Q7/2k5/8/6N1/8/8/4K3
Input: Rainer Staudte, 2020-11-22
Last update: Rainer Staudte, 2020-11-22 more...
1. Lc7! Kf7 2. Ld6 Ke6 3. Ld5#
1. ... Ke7 2. Ld5 Kf8 3. Ld6#
1. ... Ke7 2. Ld5 Kf8 3. Ld6#
Genre: 3#
FEN: 3BNk2/8/5N2/8/4B1K1/8/8/8
Input: Rainer Staudte, 2020-11-22
Last update: Rainer Staudte, 2020-11-22 more...
1. Lg1! droht 2. Td4#
1. ... Lc5 2. Sxc5+ Ke5 3. Ld4#
1. ... Ld6 2. Txd6 g2 3. Td4#
1. ... Lg7 2. Sc5+ Ke5 3. Ld4#
1. ... Lc5 2. Sxc5+ Ke5 3. Ld4#
1. ... Ld6 2. Txd6 g2 3. Td4#
1. ... Lg7 2. Sc5+ Ke5 3. Ld4#
Genre: 3#
FEN: 5b2/3R4/1B6/8/4k1K1/3N2p1/8/8
Input: Rainer Staudte, 2020-11-22
Last update: Rainer Staudte, 2020-11-22 more...
1. Lb8! droht 2. Se6#
1. ... Te5 2. Dg4#
1. ... Se5 2. Dg5#
1. ... Te5 2. Dg4#
1. ... Se5 2. Dg5#
Keywords: Unpinning (Präventiv-Simultan)
Genre: 2#
Computer test: popeye 4.87
FEN: 6nK/BpN3Qb/2pr4/1r6/1R1q1k1P/3n2N1/1b1P2pP/3BR3
Reprints: Die Schwalbe 82, p. 99, 08/1983
Input: Dieter Berlin, 2022-01-09
Last update: Dieter Berlin, 2022-01-09 more...
Genre: 2#
Computer test: popeye 4.87
FEN: 6nK/BpN3Qb/2pr4/1r6/1R1q1k1P/3n2N1/1b1P2pP/3BR3
Reprints: Die Schwalbe 82, p. 99, 08/1983
Input: Dieter Berlin, 2022-01-09
Last update: Dieter Berlin, 2022-01-09 more...
1. d4! Kc4 2. Sa5+ Kb4 3. Sc6+ Kc4 4. b3#
Genre: n#
FEN: 8/8/8/8/1k6/1NN1P3/1PKP4/8
Input: Rainer Staudte, 2022-09-07
Last update: Rainer Staudte, 2022-09-07 more...
1. Sd6! Ke3 2. La7+ Kf4 3. Df5#
2. ... Kf3 3. De4#
1. ... Ke5 2. Df5+ Kd4 3. La7#
1. ... Kd5 2. Df5+ Kc6 3. Db5#
2. ... Kd4 3. La7#
2. ... Kf3 3. De4#
1. ... Ke5 2. Df5+ Kd4 3. La7#
1. ... Kd5 2. Df5+ Kc6 3. Db5#
2. ... Kd4 3. La7#
Genre: 3#
FEN: 1B6/8/8/8/2Nk4/8/1KQ4P/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
1. e8=L! Kxe4 2. Lf7 Kd3 3. Lg6#
2. ... Ke5 3. Df4#
Schwarzer Bauer 12/1927 ergänzt
2. ... Ke5 3. Df4#
Schwarzer Bauer 12/1927 ergänzt
Keywords: Promotion key (L), under-promotion (L), Stalemate avoidance, Minimal, Miniature
Genre: 3#
FEN: 8/4P3/8/8/1K2P1p1/3k2P1/5Q2/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
Genre: 3#
FEN: 8/4P3/8/8/1K2P1p1/3k2P1/5Q2/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
1. Sg4! c4 2. De5#
1. ... Kc4 2. Se3#
1. ... Ke4 2. De5#
1. ... Kc4 2. Se3#
1. ... Ke4 2. De5#
Keywords: Flight-giving key
Genre: 2#
FEN: 8/3K4/8/2pkN3/8/8/1Q2P3/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
Genre: 2#
FEN: 8/3K4/8/2pkN3/8/8/1Q2P3/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
1. Df3! Ka5 2. Da8#
1. ... b3 2. Da8#
1. ... b3 2. Da8#
Keywords: anticipated (P1160177)
Genre: 2#
FEN: 8/8/8/2K5/kp6/3Q4/8/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
Genre: 2#
FEN: 8/8/8/2K5/kp6/3Q4/8/8
Input: Rainer Staudte, 2022-09-08
Last update: Rainer Staudte, 2022-09-08 more...
1. Se4! Kc4 2. Da2+ Kd3 3. De2#
2. ... Kb5 3. Ld7#
1. ... Kxe4 2. Dd6 ... 3. Dd4#
1. ... Kc6 2. Da8+ Kb5 3. Le2#
2. ... Kc7 3. Dc8#
1. ... Ke5 2. Dd6+ Kxe4 3. Dd4#
1. ... b5 2. Dd6+,Dc5+
2. ... Kb5 3. Ld7#
1. ... Kxe4 2. Dd6 ... 3. Dd4#
1. ... Kc6 2. Da8+ Kb5 3. Le2#
2. ... Kc7 3. Dc8#
1. ... Ke5 2. Dd6+ Kxe4 3. Dd4#
1. ... b5 2. Dd6+,Dc5+
1. Df7! Kd4 2. Df4+ Kc5 3. Dxb4#
2. ... Kd3 3. Lf1#
1. ... Kd6 2. Kxb4 Ke5 3. Df6#
1. ... Kb6 2. Kxb4 Ka6 3. Db7#
1. ... Kb5 2. Dc7 Ka6 3. Lf1#
2. ... Kd3 3. Lf1#
1. ... Kd6 2. Kxb4 Ke5 3. Df6#
1. ... Kb6 2. Kxb4 Ka6 3. Db7#
1. ... Kb5 2. Dc7 Ka6 3. Lf1#
Genre: 3#
FEN: 8/8/8/2k3P1/1p6/1K6/6B1/5Q2
Input: Rainer Staudte, 2022-09-17
Last update: Rainer Staudte, 2022-09-17 more...
1. Df1! b4 2. Dc4#
1. ... Ke6 2. Df7#
1. ... Kc5 2. Dxb5#
1. ... e4 2. Df5#
1. ... Ke6 2. Df7#
1. ... Kc5 2. Dxb5#
1. ... e4 2. Df5#
Duplicate Diagram: P1136452
Genre: 2#
FEN: 8/2K5/3N4/1p1kp3/8/2P5/8/2Q5
Input: Rainer Staudte, 2022-11-11
Last update: Rainer Staudte, 2022-11-11 more...
* 1. ... Lxg1#
1. Dd4! Lg1 2. De3+ Kh2 3. Df2 Lxf2#
1. ... g1=D,T,L,S 2. Dxg1+ Lg2 3. c7 Lxg1#
1. Dd4! Lg1 2. De3+ Kh2 3. Df2 Lxf2#
1. ... g1=D,T,L,S 2. Dxg1+ Lg2 3. c7 Lxg1#
Keywords: Mutate, Pelle move, Tempo Loss, Switchback (D)
Genre: s#
FEN: 8/8/2PB4/1PK5/1PP2nBp/6kP/6pb/6Qb
Input: Rainer Staudte, 2022-11-25
Last update: Marcin Banaszek, 2022-11-27 more...
Genre: s#
FEN: 8/8/2PB4/1PK5/1PP2nBp/6kP/6pb/6Qb
Input: Rainer Staudte, 2022-11-25
Last update: Marcin Banaszek, 2022-11-27 more...
1. Ke2! Kxb3 2. Tb5+ Ka2 3. Sc3#
2. ... Kc2 3. Sa3#
2. ... Kc4 3. Sa3#
2. ... Ka4 3. Sc3#
2. ... Kc2 3. Sa3#
2. ... Kc4 3. Sa3#
2. ... Ka4 3. Sc3#
1. Sf4-e2! droht 2. Se2xg3#
1. ... Lg3-e1,L3~ 2. Tf8-f4#
1. ... Lg3-e5 2. Sd5-c3#
1. ... Lg4-c8,L4~ 2. Lh1xf3#
1. ... Lg4-f5 2. Sd5-f6#
1. ... Th5xd5+ 2. Da8xd5#
Siehe Version: P1405249
Cook: NL 1. Td4+!
1. ... Lg3-e1,L3~ 2. Tf8-f4#
1. ... Lg3-e5 2. Sd5-c3#
1. ... Lg4-c8,L4~ 2. Lh1xf3#
1. ... Lg4-f5 2. Sd5-f6#
1. ... Th5xd5+ 2. Da8xd5#
Siehe Version: P1405249
Cook: NL 1. Td4+!
msterkowiec: I think a simple way to avoid dual is just add wh.p.c4 ( Q4R2/7p/n2p2r1/K2N3r/1pP1kNb1/4pqbp/7p/B2R3B ) (2024-03-20)
comment
comment
Genre: 2#
FEN: Q4R2/7p/n2p2r1/K2N3r/1p2kNb1/4pqbp/7p/B2R3B
Input: Marcin Banaszek, 2023-02-20
Last update: Marcin Banaszek, 2023-02-20 more...
1. Lb3? Txb3 2. Tf7# 1. ... Lxb3 2. Sg3# 1. ... Lf4!
1. Ld5? Txd5 2. Sd6# 1. ... Lxd5 2. Tf7# 1. ... Da6!
1. Le3? Txe3 2. Tg5# 1. ... Lxe3 2. Sg3# 1. ... Dg2!
1. Ld2! Txd2 2. Tg5#
1. ... Lxd2 2. Sd6#
Breuer: Auswahl zwischen vier Nowotnys auf vier verschiedenen Schnittpunkten.
1. Ld5? Txd5 2. Sd6# 1. ... Lxd5 2. Tf7# 1. ... Da6!
1. Le3? Txe3 2. Tg5# 1. ... Lxe3 2. Sg3# 1. ... Dg2!
1. Ld2! Txd2 2. Tg5#
1. ... Lxd2 2. Sd6#
Breuer: Auswahl zwischen vier Nowotnys auf vier verschiedenen Schnittpunkten.
Keywords: Nowotny, Sacrifice key (L), Line closing
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 8/3pKBRp/7B/4pk1P/4N2R/r7/b4p2/2br1qn1
Reprints: 1626 Beispiele zur Ideengeschichte des Schachproblems , p. 329, 1982
Input: Dieter Berlin, 2023-03-04
Last update: Dieter Berlin, 2023-03-05 more...
Genre: 2#
Computer test: Juel: Popeye 4.61
FEN: 8/3pKBRp/7B/4pk1P/4N2R/r7/b4p2/2br1qn1
Reprints: 1626 Beispiele zur Ideengeschichte des Schachproblems , p. 329, 1982
Input: Dieter Berlin, 2023-03-04
Last update: Dieter Berlin, 2023-03-05 more...
1. S4f5! Ka7 2. Se7 Kb6 3. Sec8#
2. ... Kb8 3. Sc6#
2. ... Kb8 3. Sc6#
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