Die Schwalbe

7 problem(s) found in 3081 milliseconds (displaying 7 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='logisches Problem' AND A='Smotrow, Sergej'] [download as LaTeX]

1 - P1361354
Sergey Smotrov
2138 The Macedonian Problemist 55-56 01-08/2018
P1361354
(4+6)
s#16
1. Dd6+ exd6+ 2. Kf4!
1. Dd4+! Kc6 2. Tb6+ Kc7 3. Dc5+ Kd7 4. Tb7+ Ke8 5. Tb8+ Kd7 6. Da7+ Kc6 7. Tb6+ Kc5 8. Lb4+ Kc4 9. Da6+ Kb3 10. Le1+ Kc2 11. De2+ Kc1 12. Ld2+ Kc2 13. Lf4+ Kc3 14. Dd2+ Kc4 15. Tb4+ Kc5 16. Dd6+ exd6#
play all play one stop play next play all
Henrik Juel: 3... Kd8+ 4.Tb8+ and s#15 (2023-12-08)
Henrik Juel: Popeye 4.61 with 'non 1 1 thr 0' founnd no flaws (2023-12-08)
comment
Keywords: Perpetual check, Checking key, Switchback (DTk), Logical Problem
Genre: s#
FEN: 7r/4pppb/8/B1k1K3/1R6/8/3Q4/8
Input: Marcin Banaszek, 2019-02-20
Last update: Gunter Jordan, 2023-12-08 more...
2 - 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...
3 - P1383362
Sergey Smotrov
18013 Die Schwalbe 300 12/2019
Spezialpreis
PR Mark Erenburg
WCCI=7
P1383362
(7+9)
s#20
1. De5+? fxe5 2. Kg4,Kg5!
1. Td3+! Kc4 2. Ta3+ Kd4 3. Sc2+ Kd5 4. Lg2+ Kc4 5. Dc8+ Kb5 6. Sc3+ Kb6 7. Db7+ Kc5 8. Se4+ Kc4 9. Da6+ Kd5 10. Sxf6+ Kc5 11. Se4+ Kd5 12. Sc3+ Kc5 13. Db5+ Kd6 14. Db8+ Kc5 15. Sa4+ Kc4 16. Lf1+ Kd5 17. Sb4+ Kd4 18. Td3+ Kc4 19. Tf3+ Kd4 20. De5+ Lxe5#
play all play one stop play next play all
1. Returns of white figures
2. Logic capture Pf6
3. The cross closed ring maneuver
White Q b8 – c8 – a6 – b5 – b8
4. Active blocking Rf3
more ...
comment
Keywords: Perpetual check, Checking key, Switchback (DTLSSk), Logical Problem
Genre: s#
FEN: 1Q3nr1/3pp1b1/5p1r/5P2/NN1k1K2/5R2/8/5B1n
Input: Gerd Wilts, 2020-12-25
Last update: Marcin Banaszek, 2022-09-02 more...
4 - P1386918
Sergey Smotrov
2046 Gaudium 229 31/07/2020
Lob
PR Michael Barth
P1386918
(5+3) C+
s#14
1. Tc1+? Kxc1+ 2. Db2#
1. Tc3+! Kd2 2. Tce3+ Kc2 3. T1e2+ Kc1 4. Sd3+ Kd1 5. Sb2+ Kc1 6. Te1+ Kc2 7. Dc5+ Kd2 8. Sc4+ Kc2 9. Se5+ Kd2 10. Db4+ Kc2 11. Tc3+ Kd2 12. Td3+ Kc2 13. Tc1+! Kxc1+ 14. Db2+ Dxb2#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws (2021-03-02)
comment
Keywords: Discovered check, Aristocrat, Battery creation, Berlin Theme, Perpetual check, Logical Problem, Switchback (DTT), Checking key
Genre: s#
Computer test: Gustav 4.2e
FEN: 8/8/5r2/8/1Q6/3R4/K1k2N1q/4R3
Input: Gunter Jordan, 2021-03-02
Last update: Nightrider, 2024-01-13 more...
5 - P1399333
Sergey Smotrov
S492 Problemist Ukrainy 71 01-03/2022
5. ehrende Erwähnung
P1399333
(6+7)
s#19
1. Lb1+? d3 2. Dh4+ Kf3 3. Dg4+ Kf2 4. De2+ dxe2+ 5. Kc2!

1. Dg3-g4+! Ke4-d3 2. La2-b1+ Kd3-c4 3. Dg4-c8+ Kc4-b3 4. Dc8-c2+ Kb3-a3,Kb4 5. Dc2-c5+ Ka3-b3 6. Dc5-b5+ Kb3-a3 7. Db5-a5+ Ka3-b3 8. Lb1-c2+ Kb3-c4 9. Da5-a6+ Kc4-b4 10. Tg5-b5+ Kb4-c4 11. Lc2-b3+ Kc4-d3 12. Tb5-g5+ Kd3-e4 13. Da6-e2+ Ke4-f4 14. De2-e5+ Kf4-f3 15. De5-g3+ Kf3-e4 16. Lb3-c2+ d4-d3 17. Dg3-h4+ Ke4-f3 18. Dh4-g4+ Kf3-f2 19. Dg4-e2+ d3xe2#
play all play one stop play next play all
Judge Sergiy Borodavkin, 12/2022
Henrik Juel: Popeye 4.61 with 'opt non 3 2 thr 0' found no flaws (2022-02-22)
comment
Keywords: Checking key, Perpetual check, Pawn mate, Selfblock, Battery creation, Discovered check, Switchback (DT), Logical Problem
Genre: s#
FEN: 5nnr/8/1P5p/6R1/3pk3/6Q1/Bb1P4/3K4
Input: Marcin Banaszek, 2022-02-22
Last update: Marcin Banaszek, 2022-12-08 more...
6 - P1406264
Vidadi Zamanov
Sergey Smotrov

2534 The Macedonian Problemist 66 09-12/2021
1. ehrende Erwähnung
PR Predrag Žuvic
P1406264
(7+7)
s#18
1. e4+? Ke5 2. Dc3+ Kd6!

1. Db4-e4+! Kd5-d6 2. De4-c6+ Kd6-e5 3. Dc6-f6+ Ke5-d5 4. Df6-e6+ Kd5-c5 5. De6-c6+ Kc5-b4 6. Lg5-e7+ Kb4-a5 7. Dc6-c7+ Ka5-a6 8. Ld7-c8+ Ka6-b5 9. Dc7-c5+ Kb5-a4 10. Dc5-a7+ Ka4-b5 11. Lc8-d7+ Kb5-c4 12. Da7-c7+ Kc4-d5 13. Dc7-d6+ Kd5-c4 14. Dd6-b4+ Kc4-d5 15. e3-e4+! Kd5-e5 16. Db4-c3+ Ke5-f4 17. Le7-g5+ Kf4xf3 18. Dc3xd3+ Lb1xd3#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 and 'non 1 1 thr 0' found no flaws (2022-11-29)
Henrik Juel: 1... Kc5? 2.Dc6+ Kb4 3.Le7+ Ka5 4.Dc7+ etc. and s#15 (2022-11-29)
comment
Keywords: Logical Problem, Switchback (DLk), Round Trip (D-4), Checking key, Queen sacrifice
Genre: s#
FEN: 8/3B4/8/3k2B1/1Q5P/np1pPPp1/5p2/1b3K2
Input: Marcin Banaszek, 2022-11-29
Last update: Gunter Jordan, 2023-02-26 more...
7 - P1407594
Sergey Smotrov
Z378 Probleemblad 2009
2. ehrende Erwähnung
PR Hans Gruber + Dirk Borst
P1407594
(4+8)
s#23
1. Te5+? dxe5 2. Dxg6+ Txg6+ 3. Kh7!
1. Df2+! Kg4 2. Te4+ Kh3 3. Sf4+ Kg4 4. Sxg6+ Kh3 5. Te3+ Kg4 6. Dg3+ Kf5 7. Se7+ Kf6 8. Dg5+ Kf7 9. Dg8+ Kf6 10. Sd5+ Kf5 11. Dc8+ Dd7 12. Dc2+ Kg4 13. Dg6+ Kh4 14. Df6+ Kg4 15. Df3+ Kh4 16. Df2+ Kg4 17. Te4+ Kh3 18. Sf4+ Kg4 19. Sh5+ Kh3 20. Te3+ Kg4 21. Dg3+ Kf5 22. Te5+! dxe5+ 23. Dg6+ Txg6#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' foud no flaws (2023-02-02)
comment
Keywords: Queen sacrifice, Perpetual check, Cross check, Logical Problem, Switchback (DTSk), Round Trip (D-11 S-6), Checking key
Genre: s#
FEN: 8/8/r2p2pK/n4k1N/qp6/4R1Q1/3p4/8
Input: Gunter Jordan, 2023-02-02
Last update: Gunter Jordan, 2023-02-02 more...
Show statistic for complete result. Show search result faster by using ids.

https://pdb.dieschwalbe.de/search.jsp?expression=COMMENTDATE%3E%3D20200919+AND+NOT+K%3D%27Hilfsr%C3%BCckz%C3%BCger%27+AND+K%3D%27logisches+Problem%27+AND+A%3D%27Smotrow%2C+Sergej%27

The problems of this query have been registered by the following contributors:

Marcin Banaszek (4)
Gerd Wilts (1)
Gunter Jordan (2)