14 problem(s) found in 1758 milliseconds (displaying 14 problem(s)). [COMMENTDATE>=20200919 AND COOKED AND S='British Chess Magazine'] [download as LaTeX]
1. exf3ep e3 2. 0-0-0 Tb4 3. Tg4 Tb8#
I think that this cooked problem is an early A osteriori. I can see ways that it might be made sound, but I would like to see the published version. San anyone help please? Thanks.
Cook: 17 Black pawns, retro cook and numerous forward cooks
I think that this cooked problem is an early A osteriori. I can see ways that it might be made sound, but I would like to see the published version. San anyone help please? Thanks.
Cook: 17 Black pawns, retro cook and numerous forward cooks
1. e6 Kc6 2. e5+ Kd5 3. exf4+ Kd4 4. Sf2 Se1#
NL:
1. Tc6 Kxc6 2. e5 Kd5 3. exf4+ Kd4 4. Sf2 Se1#
1. Tg5 f5 2. Kf4 Se3 3. Te6 Kxe6 4. Lf3 Sd5#
NL:
1. Tc6 Kxc6 2. e5 Kd5 3. exf4+ Kd4 4. Sf2 Se1#
1. Tg5 f5 2. Kf4 Se3 3. Te6 Kxe6 4. Lf3 Sd5#
Yuri Bilokin: Correction: -wPh2, +bPc6, +bPg3, bRh5-g6 8/3Kp3/2p3rr/8/4nP2/3N1kpP/4b3/8 (4+8)
1.e6 Kxc6 2.e5+ Kd5 3.exf4 Kd4 4.Sf2 Se1# (MM) (2021-05-14)
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1.e6 Kxc6 2.e5+ Kd5 3.exf4 Kd4 4.Sf2 Se1# (MM) (2021-05-14)
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Keywords: Check Protection
Genre: h#
FEN: 8/3Kp3/7r/7r/4nP2/5k1P/2N1b2P/8
Input: Markus Manhart, 1997-06-28
Last update: hpr, 1999-10-19 more...
Genre: h#
FEN: 8/3Kp3/7r/7r/4nP2/5k1P/2N1b2P/8
Input: Markus Manhart, 1997-06-28
Last update: hpr, 1999-10-19 more...
1. b3 Ta1 2. b2 Lb8 3. b1=L Ta8 4. Lh7 Le5#
NL:
1. La1 Kc5 2. Kg7 Lf4 3. Kf6 Lxg5+ 4. Ke5 Te1#
1. Kg8 Ld6 2. b6 Kc6 3. Kf7 Tf1+ 4. Ke8 Tf8#
NL:
1. La1 Kc5 2. Kg7 Lf4 3. Kf6 Lxg5+ 4. Ke5 Te1#
1. Kg8 Ld6 2. b6 Kc6 3. Kf7 Tf1+ 4. Ke8 Tf8#
Verstellung LpT
klären: autor?
Yuri Bilokin: correction +wPd4(-bBd4), +wPe3, +wPf2, +bPb6, +bPd5, +bPf3 7k/1p6/1p6/1K1p2p1/1p1P2P1/4Pp2/5P1B/7R (7+7) h#4
1.b3 Ra1 2.b2 Bb8 3.b1=B Ra8 4.Bh7 Be5# (MM)
Ambush (wR). Check prevention (W-B)
Corner-to-corner (wR) × 2
Herlin. Hesitation (wB)
Indian (white, pericritical). Promotion (b)
Model mate × 1. Battery mate. Double-check mate (2024-01-10)
comment
klären: autor?
Yuri Bilokin: correction +wPd4(-bBd4), +wPe3, +wPf2, +bPb6, +bPd5, +bPf3 7k/1p6/1p6/1K1p2p1/1p1P2P1/4Pp2/5P1B/7R (7+7) h#4
1.b3 Ra1 2.b2 Bb8 3.b1=B Ra8 4.Bh7 Be5# (MM)
Ambush (wR). Check prevention (W-B)
Corner-to-corner (wR) × 2
Herlin. Hesitation (wB)
Indian (white, pericritical). Promotion (b)
Model mate × 1. Battery mate. Double-check mate (2024-01-10)
comment
Keywords: Line closure
Genre: h#
FEN: 7k/1p6/8/1K4p1/1p1b2P1/8/7B/7R
Input: Andreas Mokosch, 1997-08-09
Last update: hpr, 1999-10-26 more...
Genre: h#
FEN: 7k/1p6/8/1K4p1/1p1b2P1/8/7B/7R
Input: Andreas Mokosch, 1997-08-09
Last update: hpr, 1999-10-26 more...
1. d4 Te2 2. Lc6 Le7 3. Kg5 Te5#
Cook: NL 1. Ke4 Ka5 2. Kd4 Le5+ 3. Kc5 Tc2#
Cook: NL 1. Ke4 Ka5 2. Kd4 Le5+ 3. Kc5 Tc2#
Adrian Storisteanu: Possible fix: shift the entire position left (Ka6/Ke5) -- 1.c4 Rd2 2.Bb6 Bd7 3.Kf5 Rd5#. (2015-10-16)
Yuri Bilokin: correction: -wPg3, -bPf7, bRd5, bPh3-h4, +bPf4
8/8/1K1B1qpp/3r1k2/5ppp/5b2/5R2/6b1 (3+10)
1.Rd4 Re2 2.Bc6 Be7 3.Kg5 Re5# (MM) (2020-11-26)
comment
Yuri Bilokin: correction: -wPg3, -bPf7, bRd5, bPh3-h4, +bPf4
8/8/1K1B1qpp/3r1k2/5ppp/5b2/5R2/6b1 (3+10)
1.Rd4 Re2 2.Bc6 Be7 3.Kg5 Re5# (MM) (2020-11-26)
comment
Keywords: Fesselungsspiel (133 101 220)
Genre: h#
FEN: 8/5p2/1K1B1qpp/3p1k2/6p1/5bPp/5R2/6b1
Input: Markus Manhart, 1998-07-04
Last update: Alfred Pfeiffer, 2015-10-17 more...
Genre: h#
FEN: 8/5p2/1K1B1qpp/3p1k2/6p1/5bPp/5R2/6b1
Input: Markus Manhart, 1998-07-04
Last update: Alfred Pfeiffer, 2015-10-17 more...
1. b8=S? droht 2. Sc6#
1. ... Gxa6!
1. bxc6ep! Gxd4,Gxb6,~ 2. Lb5#
R: 1. c7-c5 2. Gd7-d5+ Gb8-d6
'The Problemist', p. 241, 09/1993: "The solution to this #2 with Grasshoppers is 1.bxc6
en passant. lf Black's last move had been 1...c6, then White's previous move would have been the illegal G(d7)-d5+.
Cook: 1. Sc4+ Kxa4 2. Sab6#
1. ... Gxa6!
1. bxc6ep! Gxd4,Gxb6,~ 2. Lb5#
R: 1. c7-c5 2. Gd7-d5+ Gb8-d6
'The Problemist', p. 241, 09/1993: "The solution to this #2 with Grasshoppers is 1.bxc6
en passant. lf Black's last move had been 1...c6, then White's previous move would have been the illegal G(d7)-d5+.
Cook: 1. Sc4+ Kxa4 2. Sab6#
No. 2251 HN
A.Buchanan: Diagram error? Solution typo? (2023-01-06)
Mario Richter: Diagram error corrected (2023-01-07)
Ulrich Voigt: NL: 1. Sc4+ Kxa4 2. Sab6# (2023-01-08)
Mario Richter: Vielleicht sind Dawson und alle, die diese Aufgabe unkritisch nachgedruckt haben, einer typischen Halluzination erlegen: im Geiste nimmt man den Zug c7-c5 zurück, der erst den ep-Key ermöglicht, und meint dann, daß die NL: 1. Sc4+ Kxa4 2. Sab6 an 2. ... c7xb6 scheitert ... (2023-01-09)
A.Buchanan: Easily repaired e.g. by replacing wSa8 with wLa7 (2023-01-09)
comment
A.Buchanan: Diagram error? Solution typo? (2023-01-06)
Mario Richter: Diagram error corrected (2023-01-07)
Ulrich Voigt: NL: 1. Sc4+ Kxa4 2. Sab6# (2023-01-08)
Mario Richter: Vielleicht sind Dawson und alle, die diese Aufgabe unkritisch nachgedruckt haben, einer typischen Halluzination erlegen: im Geiste nimmt man den Zug c7-c5 zurück, der erst den ep-Key ermöglicht, und meint dann, daß die NL: 1. Sc4+ Kxa4 2. Sab6 an 2. ... c7xb6 scheitert ... (2023-01-09)
A.Buchanan: Easily repaired e.g. by replacing wSa8 with wLa7 (2023-01-09)
comment
Keywords: En passant as key
Pieces: = Grasshopper (G)
Genre: Retro, Fairies
FEN: N2K4/1P6/PN1*2q4/kPp*2Q4/Pp1R4/p2B4/8/8
Reprints: The Problemist , p. 241, 09/1993
Input: Henri Nouguier, 2004-01-11
Last update: A.Buchanan, 2023-01-09 more...
Pieces: = Grasshopper (G)
Genre: Retro, Fairies
FEN: N2K4/1P6/PN1*2q4/kPp*2Q4/Pp1R4/p2B4/8/8
Reprints: The Problemist , p. 241, 09/1993
Input: Henri Nouguier, 2004-01-11
Last update: A.Buchanan, 2023-01-09 more...
1. Dg7! droht 2. Dc7+ 1. ... droht 2. f7+
1. ... Tb6 2. f7+ Tf6 3. f4#
1. ... Tf5 2. Dc7+ Ke4 3. f3#
1. ... Sg3 2. f7+ Kf4 3. fxg3#
1. ... Se3 2. f7+ Kf4 3. fxe3#
Cook: 1. Dh5+
1. ... Tb6 2. f7+ Tf6 3. f4#
1. ... Tf5 2. Dc7+ Ke4 3. f3#
1. ... Sg3 2. f7+ Kf4 3. fxg3#
1. ... Se3 2. f7+ Kf4 3. fxe3#
Cook: 1. Dh5+
Keywords: Brian Stephenson Collection (30883), pin-mate (vierfach), Doppeldrohung, Albino
Genre: 3#
Computer test: Juel; Popeye 4.61
FEN: 7K/1p5B/4pP1Q/2Bpk3/2p5/3p1r2/1r3P2/3n1R1n
Reprints: 1389 Beispiele zur Ideengeschichte des Schachproblems , p. 279, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-03-16 more...
Genre: 3#
Computer test: Juel; Popeye 4.61
FEN: 7K/1p5B/4pP1Q/2Bpk3/2p5/3p1r2/1r3P2/3n1R1n
Reprints: 1389 Beispiele zur Ideengeschichte des Schachproblems , p. 279, 1982
Input: Brian Stephenson, 2004-08-12
Last update: Dieter Berlin, 2023-03-16 more...
1. Te7! f3 2. Sxe5+ Ke3 3. Sg4+ Kd3 4. Dxd2+ Dxd2#
1. ... Db8 2. Sxe5+ Dxe5 3. Df3+ De3 4. Tb7 c3 5. Tb3 Dxf3#
1. ... Db5 2. Sxe5+ Ke3 3. Sxc4+ Kd3 4. Scb2+ Dxb2 5. Dxd2+ Dxd2#
1. ... c3 2. Sc5+ Kc4 3. De2+ d3 4. Sxe5+ Kd4 5. Sb3+ Dxb3#
Cook: Dual: 1. ... Db8 2. Sf2+ Ke3 3. Txe5+ Dxe5 4. Sg4+ Kd3 5. De2+ Dxe2#
1. ... Db8 2. Sxe5+ Dxe5 3. Df3+ De3 4. Tb7 c3 5. Tb3 Dxf3#
1. ... Db5 2. Sxe5+ Ke3 3. Sxc4+ Kd3 4. Scb2+ Dxb2 5. Dxd2+ Dxd2#
1. ... c3 2. Sc5+ Kc4 3. De2+ d3 4. Sxe5+ Kd4 5. Sb3+ Dxb3#
Cook: Dual: 1. ... Db8 2. Sf2+ Ke3 3. Txe5+ Dxe5 4. Sg4+ Kd3 5. De2+ Dxe2#
Genre: s#
FEN: 2R1B3/7R/8/p2pb3/N1pp1pN1/P2k4/1q1p2Q1/B2K4
Reprints: 703 Les Mille et un Mats Inverses 1907
Input: HBae, 2009-02-06
Last update: Marcin Banaszek, 2021-05-19 more...
8 - P1081913
Irwin Lester Stein
British Chess Magazine 02/1969
Spezielle Erwähnung
(12+5) cooked
s#15
Irwin Lester Stein
British Chess Magazine 02/1969
Spezielle Erwähnung
(12+5) cooked
s#15
1. Kb4+ Kd8 2. Tb8+ Ke7 3. Dc7+ Kf6 4. Lg7+ Kf5 5. Tf8+ Ke4 6. d6+ Ke3 7. Dc1+ Ke2 8. Dd1+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3#
Frank Richter: Duals 8.Dd1+ and 7.Dc3,Dc5+ (2009-05-13)
Frank Richter: Sorry, correct 8.Dd4+ (2009-05-13)
Frank Müller: Dieses Erstlingswerk bekam eine Spezielle ehrende Erwähnung. (2009-05-17)
Olaf Jenkner: Die Duale zerstören die Aufgabe
8. Dc4+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3#
7. Dc3+ Ke2 8. Dc4+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3#
7. Dc5+ Ke2 8. Dc4+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3# (2010-02-09)
Gerald Ettl: Verbesserungsvorschlag: +wBd4 und +sBb2
1.Kb4+ Kd8 2.Tb8+ Ke7 3.Dc7+ Kf6 4.Lg7+ Kf5 5.Tf8+ Ke4 6.d6+ Ke3 7.Dc3+ Ke2 8.Dc4+ Ke3 9.Db3+ Ke2 10.Sg1+ Kd2 11.Dxb2+ Ke3 12.Te1+ De2 13.Lh6+ Tg5 14. Kc5 Dxe1 15.Dc3+ Dxc3#
geprüft mit Gustav (automatische Parameter) Wer prüft vollständig? (2023-10-01)
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Frank Richter: Sorry, correct 8.Dd4+ (2009-05-13)
Frank Müller: Dieses Erstlingswerk bekam eine Spezielle ehrende Erwähnung. (2009-05-17)
Olaf Jenkner: Die Duale zerstören die Aufgabe
8. Dc4+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3#
7. Dc3+ Ke2 8. Dc4+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3#
7. Dc5+ Ke2 8. Dc4+ Ke3 9. Db3+ Ke2 10. Sg1+ Kd2 11. Db2+ Ke3 12. Te1+ De2 13. Lh6+ Tg5 14. Kc5 Dxe1 15. Dc3+ Dxc3# (2010-02-09)
Gerald Ettl: Verbesserungsvorschlag: +wBd4 und +sBb2
1.Kb4+ Kd8 2.Tb8+ Ke7 3.Dc7+ Kf6 4.Lg7+ Kf5 5.Tf8+ Ke4 6.d6+ Ke3 7.Dc3+ Ke2 8.Dc4+ Ke3 9.Db3+ Ke2 10.Sg1+ Kd2 11.Dxb2+ Ke3 12.Te1+ De2 13.Lh6+ Tg5 14. Kc5 Dxe1 15.Dc3+ Dxc3#
geprüft mit Gustav (automatische Parameter) Wer prüft vollständig? (2023-10-01)
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Genre: s#
FEN: B1k5/1R6/1P2p1PB/1PKPN2q/8/2Q2Nr1/6p1/5R2
Input: HBae, 2009-02-06
Last update: Frank Müller, 2010-02-09 more...
1. Tf6 Sa3,Se5 2. Lxc4+ Sxc4 3. Sxe3+ Sxe3#
1. Tf6 Lb4 2. Td6+ Lxd6 3. Sxc3+ Sxc3#
1. Tf6 Sf4,Sh4,Se7 gestatten Duale
1. Tf6 Sh8,Sf8 2. Sf4+ gxf4 3. Dh5+ Lxh5#
1. Tf6 Lxd7 2. Txa5+ Lb5 3. Sxc3+ Sxc3#
1. Tf6 Lf7 2. d8=D+ (T) Lxd8 3. Sxc3+ Sxc3#
NL 1. dxe8=S
NL 1. Txg6!
1. Tf6 Lb4 2. Td6+ Lxd6 3. Sxc3+ Sxc3#
1. Tf6 Sf4,Sh4,Se7 gestatten Duale
1. Tf6 Sh8,Sf8 2. Sf4+ gxf4 3. Dh5+ Lxh5#
1. Tf6 Lxd7 2. Txa5+ Lb5 3. Sxc3+ Sxc3#
1. Tf6 Lf7 2. d8=D+ (T) Lxd8 3. Sxc3+ Sxc3#
NL 1. dxe8=S
NL 1. Txg6!
A.Buchanan: I don't know much about selfmates, but I do note that this problem can be "fixed" by shifting wTc6 to f-file (except f5 or f6). Does this break any content, and if not, is there a preferred location on f-file? (2023-04-02)
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comment
Genre: s#
FEN: 4b3/3P4/R1R3n1/b2k2p1/2pP2Q1/2pPp3/B1NpN3/1n1K4
Input: Frank Müller, 2010-10-17
Last update: Frank Müller, 2010-10-17 more...
SCHRECKE: Unlösbar - 1. Sf6? Tc5!
Mit sLb6 nach c5 geht:
1. Sf6! droht 2. Sh7+ Lxh7#
1. ... Tc2 2. De3+ Lxe3#
1. ... Td4 2. Df4+ Txf4#
1. ... Te4 2. Sxe4+ Lxe4# (2024-02-27)
comment
Mit sLb6 nach c5 geht:
1. Sf6! droht 2. Sh7+ Lxh7#
1. ... Tc2 2. De3+ Lxe3#
1. ... Td4 2. Df4+ Txf4#
1. ... Te4 2. Sxe4+ Lxe4# (2024-02-27)
comment
Genre: s#
Computer test: SCHRECKE: unlösbar
FEN: 8/q4p2/1b5R/3N2k1/2r3PR/7p/p4QpB/rb4K1
Input: Frank Müller, 2013-03-15
Last update: Dieter Berlin, 2024-02-28 more...
1. Lc1 d4 2. f8=D+ Kd5 3. Dh4 Kc4 4. e4 Kc3 5. Da3+ Kc4 6. c3 Kxd3 7. Db4 dxc3 8. De1 c2#
6. ... dxc3 7. Db4+ Kxd3 8. De1 c2#
Cook: Dual:
4. Da3 Kd5 5. c3 dxc3 6. e4+ Kc4,Kd4 7. Db4+ Kxd3 8. De1 c2#
5. ... Kc4 6. e4 Kxd3 7. Db4 dxc3 8. De1 c2#
6. ... dxc3 7. Db4+ Kxd3 8. De1 c2#
Cook: Dual:
4. Da3 Kd5 5. c3 dxc3 6. e4+ Kc4,Kd4 7. Db4+ Kxd3 8. De1 c2#
5. ... Kc4 6. e4 Kxd3 7. Db4 dxc3 8. De1 c2#
SCHRECKE: 4. ... d:e3 e.p. ?? wäre illegales Selbstschach !!
Die Aufgabe ist also "nach heutigen Maßstäben" keineswegs unlösbar.
Allerdings gibt es Duale, z.B.:
4.Da3 Kd5 5.c3 d:c3 6.e4+ Kc4,Kd4 7.Db4+ K:d3 8.De1 c2#
5. ... Kc4 6.e4 K:d3 7.Db4 d:c3 8.De1 c2#
Oder auch schon 3.Da3 ... (2021-04-09)
James Malcom: It is now fixed. (2021-04-10)
comment
Die Aufgabe ist also "nach heutigen Maßstäben" keineswegs unlösbar.
Allerdings gibt es Duale, z.B.:
4.Da3 Kd5 5.c3 d:c3 6.e4+ Kc4,Kd4 7.Db4+ K:d3 8.De1 c2#
5. ... Kc4 6.e4 K:d3 7.Db4 d:c3 8.De1 c2#
Oder auch schon 3.Da3 ... (2021-04-09)
James Malcom: It is now fixed. (2021-04-10)
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12 - P1373317
Samuel H. Thomas
British Chess Magazine 1882
1. Preis Set
2. J. Löwenthal-Memorial 1879-1882
Motto: 'Peep beneath'
(12+8) cooked
#4
Samuel H. Thomas
British Chess Magazine 1882
1. Preis Set
2. J. Löwenthal-Memorial 1879-1882
Motto: 'Peep beneath'
(12+8) cooked
#4
1. Db1! Dd3 2. Ta2 Kg6 3. Ta6 Kf6 4. Sd4#
1. ... De4 2. Dxe4
Cook: Duale
1. ... De4 2. Lxe4, 2. Tc6, 2. Sg7+
1. ... De4 2. Dxe4
Cook: Duale
1. ... De4 2. Lxe4, 2. Tc6, 2. Sg7+
Preisbericht: BCM, März 1882
athulin: First published in Westminster Papers v. 11, p. 265 (Apr., 1879), prb. 1126 (2022-08-01)
comment
athulin: First published in Westminster Papers v. 11, p. 265 (Apr., 1879), prb. 1126 (2022-08-01)
comment
Genre: n#
FEN: B7/K1R2N1p/4N2P/1Pp4k/2p2pp1/2P1q1P1/1Q4R1/2b1B3
Reprints: 5061 Deutsche Schachzeitung , p. 125, 04/1882
Input: Felber, Volker, 2020-03-11
Last update: Alfred Pfeiffer, 2020-03-11 more...
1. Lg2! Kxe5 2. Txe6+ Kxf5 3. Lh3#
2. ... Kd4 3. Db4#
1. ... Sc8 2. Sc6+ Kc4,Kc5 3. Db4#
1. ... Sb5 2. Df4+, Dual 2. Txe6
2. ... Kd4 3. Db4#
1. ... Sc8 2. Sc6+ Kc4,Kc5 3. Db4#
1. ... Sb5 2. Df4+, Dual 2. Txe6
athulin: Won 6 pr of the #3 section of 2nd Problem Tourney of the B.C.M.
First publ.: B.C.M., v. 3, p. 355 (Oct., 1883), prb. 39 (2022-08-16)
comment
First publ.: B.C.M., v. 3, p. 355 (Oct., 1883), prb. 39 (2022-08-16)
comment
Genre: 3#
FEN: 4R3/nB6/1P2p3/4NP2/3k4/3p4/3QP3/N1K5
Reprints: 5567 Deutsche Schachzeitung , p. 186, 06/1884
Input: Felber, Volker, 2020-06-13
Last update: Felber, Volker, 2020-06-13 more...
14 - P1380261
Dawid Przepiorka
2341 British Chess Magazine 01/1922
Dedicated to Dr. G.C.A. Oskaw, Rotterdam
(7+8) cooked
#3
Dawid Przepiorka
2341 British Chess Magazine 01/1922
Dedicated to Dr. G.C.A. Oskaw, Rotterdam
(7+8) cooked
#3
1. Kb2! droht 2. Da3 ... 3. De7#, 2. ... fxg2 3. Ld8#
1. ... Kg5 2. De3+ Kh4 3. De7#
2. ... Kf6 3. Ld8#,De5#
Co-Dual 2. Dxd5+ Kh4 3. Dd8#
2. ... Kf6 3. Ld8#,De5#
1. ... Sf2 2. g3+ Kh3 3. Df1#
2. ... Kg5 3. Ld8#,Df5#
Cook: Duale
1. ... Kg5 2. De3+ Kh4 3. De7#
2. ... Kf6 3. Ld8#,De5#
Co-Dual 2. Dxd5+ Kh4 3. Dd8#
2. ... Kf6 3. Ld8#,De5#
1. ... Sf2 2. g3+ Kh3 3. Df1#
2. ... Kg5 3. Ld8#,Df5#
Cook: Duale
Genre: 3#
FEN: 8/2B3p1/6Pp/3b3B/p5Pk/K2Q1p2/6Pp/7n
Reprints: 22 Wiener Morgenzeitung 06/10/1924
Input: Mario Richter, 2020-09-25
Last update: Alfred Pfeiffer, 2020-09-25 more...
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https://pdb.dieschwalbe.de/search.jsp?expression=COMMENTDATE%3E%3D20200919+AND+COOKED+++AND+S%3D%27British+Chess+Magazine%27
The problems of this query have been registered by the following contributors:
Gerd Wilts (1)Markus Manhart (2)
Andreas Mokosch (1)
Henri Nouguier (1)
Brian Stephenson (1)
HBae (2)
Frank Müller (3)
Felber, Volker (2)
Mario Richter (1)
Alfred Pfeiffer: 9 schwarze Bauern! (2012-02-07)
Ladislav Packa: Auch mit wBb2 NL, z.B. 1.exf3 e.p. Txg5 2.0-0-0 Tb5 3.Tg~ Tb8# (2012-02-07)
A.Buchanan: And adding to earlier comments, if we do swap sBb2 for wB, the retraction is still not unique with R: 1. f3-f4 Lh6xg5+ (2021-11-26)
A.Buchanan: I think that this cooked problem is an early A Posteriori. I can see ways that it might be made sound, but I would like to see the published version. Can anyone help please? Thanks. (2022-04-25)
Gerald Ettl: Verbesserungsvorschlag: -sBa2, -sBb2, -sSg7, +sBg7
r3k3/3b2p1/5p2/6b1/4pPRp/2pq2rp/2p1P1pB/2K3n1/ (2022-04-25)
Gerald Ettl: und +sSg8 (wegen exf4 Vermeidung) (2022-04-25)
Gerald Ettl: +sSa4 nicht g8 (2022-04-25)
A.Buchanan: Hi Gerald. Thanks for this. Your final proposed version is r3k3/3b2p1/5p2/6b1/n3pPRp/2pq2rp/2p1P1pB/2K3n1, yes? There are 16 candidate solutions, all using castling. But wPa cannot leave the a-file, and is required for capture balance, so Black cannot castle. Five of the candidates begin with e.p.: play might have just been R: 1. Kb1-c1 b3xPc2+, so e.p. is not permitted in any case. What am I missing? (2022-04-25)
Gerald Ettl: Hi Andrew,
Those were 2 mistakes I made. I improved it again.
r3k3/3b4/4pp2/6b1/4pPRp/n1pq2rp/PPp1P1pB/2K3n1/
(den wBa2 habe ich auf das Brett gestellt, da sonst wieder Lh6xXg5 geht.) (2022-04-26)
A.Buchanan: Hi Gerald: Deine Retro-Logik ist gut. Aber es gibt 18 Lösungsvorschläge für die Zukunft. Ich habe heute im Discord meinen eigenen Vorschlag zur AP-Korrektur von Kardos veröffentlicht. Ich werde ihn hier im PDB hinzufügen. (2022-04-26)
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