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6 problem(s) found in 2202 milliseconds (displaying 6 problem(s)). [COMMENTDATE>=20220810 AND NOT K='Rochade' AND S='www.selivanov.world'] [download as LaTeX]

1 - P1404218
Anatoly Stepochkin
www.selivanov.world 09/2022
4. Preis
Vladimir Zheltonozhko 80
section s#7-10
P1404218
(14+8) C+
s#10
1. Th2-h5! g5-g4 2. 0-0 g4-g3 3. Tf1-f5 g3-g2 4. Th5-h2 h6-h5 5. b7-b8=S h5-h4 6. Tf5-h5 h4-h3 7. Th5-h6 g7xh6 8. Lg6-h5 Lf8-g7 9. Dd8-d4+ c7-c5 10. b5xc6ep+ Lg7xd4#
play all play one stop play next play all
Judge Valery Kirillov
Vaclav Kotesovec: Was the previous test by Gustav 4.1c brute force ? (no info on testing time or used memory is given).
Tested with Gustav 4.2e and huge memory over 14 (!) days, really C+. (2023-08-27)
comment

Genre: s#
Computer test: Gustav 4.1c, V. Kotesovec: Gustav 4.2e 64 Bit (Lösezeit: 14 : 02 : 26 : 45,39 d, Hashtables: 204800 MB)
FEN: 3Q1b2/pPp1pPp1/Nk2P1Bp/NP4p1/1PP5/8/3P3R/4K2R
Input: Marcin Banaszek, 2022-09-09
Last update: Vaclav Kotesovec, 2023-08-27 more...
2 - P1404414
Viktor S. Zheglov
www.selivanov.world 09/2022
1. Preis
Anatoly Stepochkin 60
section s# miniatures
P1404414
(4+3)
s#15
1. Ta7-c7+!
1. ... Kc5-d6 2. Df3-c6+ Kd6-e5 3. Tc7-e7+ Ke5-f4 4. Dc6-f3+ Kf4-g5 5. Df3-f5+ Kg5-h6 6. Df5-h7+ Kh6-g5 7. Te7-g7+ Kg5-f6 8. Dh7-g6+ Kf6-e5 9. Dg6-e6+ Ke5-f4 10. De6-f5+ Kf4-e3 11. Sd4-c2+ Ke3-e2 12. Tg7-g2+ Ke2-d1 13. Df5-d3+ Kd1-c1 14. Dd3-d2+ Kc1-b1 15. Sc2-a3+ Ta1xa3#
1. ... Kc5-b6 2. Df3-b7+ Kb6-a5 3. Tc7-c5+ Ka5-a4 4. Db7-b5+ Ka4-a3 5. Db5-b4+ Ka3-a2 6. Db4-a4+ Ka2-b1 7. Da4-b3+ Kb1-c1 8. Db3-b2+ Kc1-d1 9. Db2-e2+ Kd1-c1 10. Kc3-d3+ Kc1-b1 11. Tc5-b5+ Kb1-c1 12. De2-e3+ Kc1-d1 13. Tb5-b1+ Ta1xb1 14. De3-e2+ Kd1-c1 15. Sd4-b3+ Tb1xb3#
play all play one stop play next play all
Judge Anatoly Stepochkin
Anton Baumann: C+ Gustav 4.2a (8,4h) (2024-03-18)
Henrik Juel: An additional short variation is found by Popeye 4.61 with 'opt non 2 1 thr 1' in 2 seconds
7...Kg5-f4
8.Qh7-f5 +
8...Kf4-e3
9.Sd4-c2 +
9...Ke3-e2
10.Rg7-g2 +
10...Ke2-d1
11.Qf5-d3 +
11...Kd1-c1
12.Qd3-d2 +
12...Kc1-b1
13.Sc2-a3 +
13...Ra1*a3 # (2024-03-18)
Henrik Juel: opt thr 0, of course, not thr 1 (2024-03-18)
comment
Keywords: Aristocrat, Miniature
Genre: s#
FEN: 8/R7/8/2k5/3N3r/2K2Q2/8/r7
Input: Marcin Banaszek, 2022-09-17
Last update: Marcin Banaszek, 2022-09-17 more...
3 - P1404710
Anatoly Stepochkin
www.selivanov.world 09/2022
5. Preis
Gennady Chumakov 80
section h#2
P1404710
(4+11) C+
h#2
3.1...
1) 1. Lc2-d3 Se5xf3+ 2. Kd5-c6 Sf3-d4#
2) 1. Td2-d3 Df5-e6+ 2. Kd5-e4 Se5-c6#
3) 1. Db7-b5 Se5-d3+ 2. Kd5-c4 Df5-e4#
play all play one stop play next play all
Judge Aleksandr Semenenko
Yuri Bilokin: more economical -bPe2 8/1qp4K/8/2PkNQ2/5p2/1pp2p2/2br4/3r4 (4+10) (2022-10-04)
comment

Genre: h#
Computer test: Popeye 4.83
FEN: 8/1qp4K/8/2PkNQ2/5p2/1pp2p2/2brp3/3r4
Input: Marcin Banaszek, 2022-09-27
Last update: Marcin Banaszek, 2022-09-27 more...
4 - P1404715
Mykola Kolesnik
www.selivanov.world 09/2022
5. ehrende Erwähnung
Gennady Chumakov 80
section h#2
P1404715
(6+10) C+
h#2
2.1...
1) 1. Th1xg1 Ld7xe8 2. Kg4xf5 Le8-d7#
2) 1. Le8xd7 Tg1xh1 2. Kg4xg3 Th1-g1#
play all play one stop play next play all
Judge Aleksandr Semenenko
Yuri Bilokin: you can see 1...Bf4+ 2.Kf3 Bxh2# 1...Bf4+ 2.Kf3 Be3# 1...Bf4+ 2.Kf3 Be5# 1...Bf4+ 2.Kf3 Bxg5# 1...Bf4+ 2.Kf3 Bd6# 1...Bf4+ 2.Kf3 Bc7# 1...Bf4+ 2.Kf3 Bb8# 1...Bxe8 2.Kxf5 Bd7# 1...Rxh1 2.Kxg3 Rg1# (2022-10-04)
comment

Genre: h#
Computer test: Popeye 4.83
FEN: 4b3/3B1p2/5p2/5RpP/4p1kp/6Bp/3K3n/6Rr
Input: Marcin Banaszek, 2022-09-27
Last update: Marcin Banaszek, 2022-09-27 more...
5 - P1404717
Valery Kopyl
Vidadi Zamanov

www.selivanov.world 09/2022
1. Lob
Gennady Chumakov 80
section h#2
P1404717
(7+8) C+
h#2
b) wSd4->g4
c) wSd4->g7
d) wSd4->h3
a) 1. d7-d5 Sd4-b3+ 2. Kc5xc6 Tb4-b6#
b) 1. d7-d6 Sg4-e5 2. Dh4-d4 Tb4-b5#
c) 1. d7xe6 Tb4-d4 2. Le8xc6 Sg7xe6#
d) 1. d7xc6 Sh3xg5 2. Td8-d5 Sg5-e4#
play all play one stop play next play all
Judge Aleksandr Semenenko
more ...
comment

Genre: h#
Computer test: Popeye 4.83
FEN: 3rb3/2rp4/2P1P3/K1k3p1/1R1N2Pq/8/1n3P2/8
Input: Marcin Banaszek, 2022-09-27
Last update: Marcin Banaszek, 2022-09-27 more...
6 - P1404747
Janos Csak
www.selivanov.world 09/2022
1. ehrende Erwähnung
Gennady Chumakov 80
section h#3,5-n
P1404747
(3+15) C+
h#5
0.1.1...
b) sKd6->e6
a) 1. ... Kf2-e1 2. Se7-g6 h5xg6 3. Kd6-c6 g6-g7 4. Td4-d7 g7-g8=D 5. Td3-d6 Dg8-a8#
b) 1. ... Kf2-f1 2. Lc7-b6 a5xb6 3. Ke6-f6 b6-b7 4. Lc4-f7 b7-b8=D 5. Db3-e6 Db8-h8#
play all play one stop play next play all
Judge Aleksandr Semenenko
Yuri Bilokin: you can see a) *) 1.Sg6 hxg6 2.Kc6 g7 3.Rd7 g8=Q 4.R3d6 Qa8#
b) *) 1.Bb6 axb6 2.Kf6 b7 3.Bf7 b8=Q 4.Qe6 Qh8# (2022-10-04)
comment

Genre: h#
Computer test: Gustav 4.1c
FEN: 8/2b1n3/p2k3p/Ppp2ppP/2br4/1q1r1p2/5K1p/8
Input: Marcin Banaszek, 2022-09-29
Last update: Marcin Banaszek, 2022-09-29 more...
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The problems of this query have been registered by the following contributors:

Marcin Banaszek (6)