Die Schwalbe

3 problem(s) found in 3609 milliseconds (displaying 3 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND A='Smotrow, Sergej']

1 - P1378051
Sergey Smotrov
FIDE World Cup 8th 07/2020
Lob e.a.
P1378051
(4+8) C+
s#12
1. Tf6+! Ke7 2. Tf8+ Kd6 3. Df6+ Kd7 4. De7+ Kc6 5. Tf6+ Kb7 6. De4+ c6! 7. Db1+ Kc7 8. Tf7+ Kd6 9. Dg6+ Ke5 10. Df5+ Kd6 11. Dd7+ Ke5 12. Dd5+ cxd5#
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Judge Aleksandr Azhusin
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comment
Keywords: Checking key
Genre: s#
Computer test: A. Baumann: Gustav 4.1 d
FEN: brr5/p1p2R2/p2k4/5QB1/2K5/8/8/4n3
Input: Marcin Banaszek, 2020-07-20
Last update: Olaf Jenkner, 2020-11-23 more...
2 - P1380327
Sergey Smotrov
S0825 StrateGems SG92 10-12/2020
P1380327
(5+5)
s#14
1. Ta7-a8+! Kd8-c7 2. Db5-c4+ Kc7-b6 3. Dc4-b4+ Kb6-c7 4. Sd6-b5+ Kc7-b6 5. Ta8-b8+ Kb6-a6 6. Lh1-b7+ Ka6-b6 7. Lb7-d5+ Kb6-a6 8. Tb8-a8+ Ka6-b6 9. Sb5-d6+ Kb6-c7 10. Db4-c4+ Kc7-b6 11. Dc4-b5+ Kb6-c7 12. Ta8-a7+ Kc7-d8 13. Db5xe8+ Lh5xe8 14. Ta7-d7+ Le8xd7#
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Henrik Juel: Popeye 4.61 with 'opt non 0 1' found no flaws (2020-09-27)
comment
Keywords: Checking key
Genre: s#
FEN: 3kn2n/R7/3NK3/1Q5b/8/8/8/b6B
Input: Marcin Banaszek, 2020-09-27
Last update: Alfred Pfeiffer, 2020-10-07 more...
3 - P1380824
Sergey Smotrov
1374 Rochade Europa 05/1997
P1380824
(5+11)
s#19
1. Lxg6+? Sxg6+ 2. Kc7!
1. Lf5-g4+! Kh5-h4 2. Le3-f2+ Kh4-g5 3. Lg4-e6+ Kg5-h5 4. Tg2-h2+ Kh5-g5 5. Lf2-h4+ Kg5-h5 6. Lh4-e1+ Kh5-g5 7. Th2-g2+ Kg5-h5 8. Le6-g4+ Kh5-g5 9. Lg4-e2+ Kg5-f5 10. Tg2-f2+ Kf5-g5 11. Td4-g4+ Kg5-h5 12. Tg4xc4+ Kh5-g5 13. Tc4-g4+ Kg5-h5 14. Tg4-d4+ Kh5-g5 15. Tf2-g2+ Kg5-f5 16. Le2-g4+ Kf5-g5 17. Le1-h4+ Kg5xh4 18. Lg4-f5+ Kh4-h5 19. Lf5xg6+ Se7xg6#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws (2020-10-11)
comment
Keywords: Logical Problem, Switchback (TTL, k), Line opening, discovered checkmate, Batteriematt diagonal, Battery creation, Discovered check, Checking key, Perpetual check
Genre: s#
FEN: 5q2/3pn3/1n1K1ppp/b4B1k/2pR4/4B3/6R1/2r5
Input: Marcin Banaszek, 2020-10-11
Last update: Gunter Jordan, 2020-10-11 more...
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The problems of this query have been registered by the following contributors:

Marcin Banaszek (3)