Die Schwalbe

23 problem(s) found in 4645 milliseconds (displaying 23 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT S='Dubuque Chess Journal' AND A='Holubec, Jozef'] [download as LaTeX]

1 - P1238804
Jozef Holubec
S2374 The Problemist 09/2011
Speziallob
P1238804
(6+3) C+
s#8
2 Lösungen
1. De3+ Sf4 2. Dd6+ Kg5 3. Dg3+ Kf5 4. Tc5+ Sd5 5. Ld7+ Txd7 6. Ddf4+ Ke6 7. Dg6+ Sf6 8. Df7+ Txf7#
1. Dd2+ Sf4 2. Dh3+ Kg5 3. Tc5+ Kf6 4. Dd8+ Te7 5. Dh6+ Sg6+ 6. Kg8 Ke6 7. Dd5+ Kf6 8. Dg7+ Txg7#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-12-11)
comment
Keywords: Aristocrat, Chameleon Echo, Obvious promotion
Genre: s#
FEN: 4BK2/7r/7k/8/1Q6/Q7/4nN2/2R5
Input: Frank Müller, 2012-05-11
Last update: Marcin Banaszek, 2020-12-14 more...
2 - P1253303
Jozef Holubec
10738 Sachova skladba 07/2011
P1253303
(9+4) C+
s#11
1. Df7+ Kg5 2. Tg6+ Kh5 3. Tg8+ Kh6 4. Th8+ Kg5 5. Dg7+ Kf5 6. Ld3+ Ke6 7. Te8+ Kd5 8. Db7+ Kc5 9. Tc8+ Lc7 10. Lf2+ Se3+ 11. Kg1 h2#
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Anton Baumann: C+ Gustav 4.1d (2021-04-21)
comment

Genre: s#
Computer test: Anton Baumann: C+ Gustav 4.1d (2021-04-21)
FEN: 8/8/R7/1N5k/5b2/P4P1p/Q3B1n1/4BK1N
Input: Frank Müller, 2012-11-09
Last update: Marcin Banaszek, 2021-04-28 more...
3 - P1275874
Jozef Holubec
10231 feenschach 07/2011
P1275874
(7+3) cooked
s#11
1. Sf2+! Kg5 2. d8=D+ Kh6 3. D8d6+ Kg5 4. D3g3+ Kf5 5. Tf4+ Sxf4 6. Ddxf4+ Ke6 7. De4+ Kf6 8. Dgh4+ Tg5 9. Dh6+ Tg6 10. Sh3 Txh6 11. h8=D,L+ Txh8#
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SCHRECKE: Nebenlösung
1.Sd2+ Sf4! 2.d8D Ta1,Tb1,Tc1 3.Df3+ Kf5 4.D:f4+ Ke6 5.De3+ Kf5 6.Dh3+ Ke5 7.De7+ Kd5 8.Dh1+ T:h1 9.Dc5+ Ke6 10.Te4+ Kf6 11.h8D+ T:h8#
2. ... Te1 3.Df3+ Kf5 4.D:f4+ Ke6 5.Dg4+ Ke5 6.De7+ Kd5 7.Ded7+ Ke5 8.Tc5+ Kf6 9.Se4+ T:e4 10.Dh4+ T:h4 11.h8D+ T:h8#
2. ... Tf1 3.Dh4+ K:h4 4.h8D+ Kg4 5.Dg7+ Kh4 6.Dh7+ Kg4! 7.Ddh3+ Kg5 8.Dg3+ Kf6 9.Dgg7+ Ke6 10.De7+ Kd5 11.Dg8+ Se6#, 4. ... Kg5 5.Dd8+ Kf5! 6.Dhf6+ Kg4 7.Dh4+ Kf5 8.Ddg5+ Ke6 9.Dhg4+ Kd6 10.De7+ Kd5 11.Dg8+ Se6#
1. ... Kg5? 2.d8D+ Kh6 3.Dh4+ S:h4 4.T:h4+ Kg5 5.Sf3+ Kf6 6.Th6+ Tg6 7.Ld7 T:h6 8.h8D+ T:h8# (2020-12-13)
Jozef Holubec: Sorry for the mistake, the correction should be +wBd2, Gustav C+ (2021-02-05)
more ...
comment

Genre: s#
FEN: 4BK2/3P3P/8/8/2R1N1k1/3Q4/6n1/6r1
Input: Frank Müller, 2013-08-04
Last update: Marcin Banaszek, 2021-02-05 more...
4 - P1276621
Jozef Holubec
2302 Variantim 58 2012
P1276621
(5+2) C+
s#7
b) wKf8 nach g8
a) 1. Th5+ Kg6 2. Dg4+ Kf6 3. d8=D+ Te7 4. Dd6+ Te6 5. Sc6 Txd6 6. Dg7+ Ke6 7. Sd8+ Txd8#
b) 1. Dg3+ Kf6 2. d8=D+ Te7 3. Dg4 Ke5 4. Te1+ Kf6 5. Dh4+ Kg6 6. Te6+ Txe6 7. De8+ Txe8#
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SCHRECKE: a)+b): C+, Gustav 4.1d, Brute Force (2020-12-10)
comment
Keywords: Changed mates
Genre: s#
FEN: 5K2/r2P4/8/6k1/3N4/5Q2/8/7R
Input: Frank Müller, 2013-08-20
Last update: Marcin Banaszek, 2020-12-14 more...
5 - P1286946
Jozef Holubec
2047 harmonie-aktiv (120) 07/2014
P1286946
(7+2) C+
s#9
b) wDd4 nach c5
a) 1. Lc1 Kf5 2. Tg5+ Kf6 3. Th5 Kg6 4. Le8+ Kf6 5. Kg8 Kxe6 6. Th6+ Kf5 7. Ld7+ Te6 8. Th5+ Kg6 9. Le8+ Txe8#
b) 1. Kg8 Kf5 2. e7+ Kf6 3. Kh7 Kf7 4. Tg7+ Kf6 5. Tg6+ Kf7 6. Tf6+ Kxf6 7. De3 Kf7 8. Df3+ Tf5 9. Dh5+ Txh5#
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SCHRECKE: a)+b): C+, Gustav 4.1d, Brute Force (2020-12-12)
comment

Genre: s#
FEN: 5K2/3B4/2N1Pk2/4r3/3Q2R1/8/1B6/8
Input: Frank Müller, 2014-08-12
Last update: Marcin Banaszek, 2020-12-14 more...
6 - P1291010
Jozef Holubec
1118 Gaudium (145) 15/11/2014
P1291010
(7+4) C+
s#9
b) wTb7 nach c7
a) 1. Da5! Ke8 2. Kc5 Kf8 3. Tb8+ Ke7 4. Kd4 Kd6 5. Dd8+ Kc6 6. Ke3 Kc5 7. Le4 Kc4 8. Dd3+ Kc5 9. Sf2 g4#
b) 1. Ld3! Ke8 2. Tc8+ Kd7 3. Df8 Ke6 4. Kc5 Kd7 5. Kd4 Ke6 6. Ke3 Kd5,Kd7 7. De8+ Kd6 8. Tc6+ Kd5 9. Sf2 g4#
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Anton Baumann: a) & b) C+ Gustav 4.2a (2022-04-20)
comment

Genre: s#
FEN: 3k4/1R4p1/1K4Pb/2Q2Bp1/6N1/8/4P3/8
Input: Frank Müller, 2014-11-18
Last update: Marcin Banaszek, 2022-04-25 more...
7 - P1292536
Jozef Holubec
420 Problemiste 08/2014
P1292536
(4+2) C+
s#11
1. f8=D Kh1 2. Df4 Kg1 3. g8=D+ Kh1 4. Dd5+ Kg1 5. Dc1+ Kf2 6. h8=L Ke2 7. Le5 Kf2 8. Lh2 Ke2 9. Kg2 h3+ 10. Kh1 Kf2 11. Dg2+ hxg2#
play all play one stop play next play all
Anton Baumann: C+ Gustav 4.1d (2021-02-12)
comment
Keywords: konsekutive Umwandlungen 3 (DDL), Kindergarten Problem, Minimal, Miniature
Genre: s#
FEN: 8/5PPP/8/8/7p/7K/8/6k1
Input: Frank Müller, 2014-12-15
Last update: James Malcom, 2021-02-12 more...
8 - P1301121
Jozef Holubec
S2505 The Problemist 07/2014
4. ehrende Erwähnung
P1301121
(5+3) C+
s#12
b) -sTd3
a) 1. Da5+! Kb8 2. Da8+ Kc7 3. b8=D+ Kd7 4. Dc8+ Ke7 5. De4+ Kf7 6. Dce8+ Kg7 7. Tg6+ Kh7 8. Tg1+ Kh6 9. Df4+ Kh7 10. De7+ Kh8 11. Dd4+ Txd4 12. Dh4+ Txh4#
b) 1. b8=L+! Ka8 2. Da4+ La6 3. Lh2 Ka7 4. Tb1 Ka8 5. f4 Ka7 6. f5 Ka8 7. f6 Ka7 8. f7 Ka8 9. f8=L Ka7 10. Lc5+ Ka8 11. Dc6+ Lb7 12. Lcg1 Lxc6#
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Anton Baumann: C+ Gustav 4.1d (2020-12-21)
comment

Genre: s#
FEN: 8/kP6/1R6/8/1Q6/3r4/5P2/5b1K
Input: Frank Müller, 2015-04-07
Last update: Marcin Banaszek, 2020-12-21 more...
9 - P1332377
Jozef Holubec
1483 Gaudium 11/03/2017
P1332377
(9+3) C+
s#9
2 Lösungen
1) 1. Ke1! d5 2. Sf3+ Lh3 3. Sd4 Kh4 4. Tg5 dxe4 5. Sf3+ exf3 6. Th5+ Kg3 7. Dg5+ Lg4 8. T5h3+ Kg2 9. Ld2 f2#
2) 1. Tf2! Kg4 2. Txf5 Kg3 3. T5f1 d5 4. Ld4 dxe4 5. Lf2+ Kf4 6. Le1+ Ke3 7. Dc5+ Kxd3 8. Tf4 e3 9. Dc1 e2#
2. ... d5 3. Ld4 Kg3 4. T5f1 dxe4 5. Lf2+ ...
3. ... dxe4 4. T5f1+ Kg3 5. Lf2+ ...
1. ... d5 2. Txf5+ Kg4 3. Ld4 Kg3 4. T5f1 dxe4 5. Lf2+ ...
3. ... dxe4 4. T5f1 Kg3 5. Lf2+ ...
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more ...
comment

Genre: s#
Computer test: Gustav 4.1d
FEN: 8/8/3pB3/1Q3b1k/4P2N/3PB3/6R1/3K3R
Input: Frank Müller, 2017-03-12
Last update: Marcin Banaszek, 2021-03-23 more...
10 - P1361314
Jozef Holubec
1966 The Macedonian Problemist 51 09-12/2016
P1361314
(7+2)
s#10
1. Dg8-f7+!
1. ... Kd7-d6 2. Df7-c7+ Kd6-e6 3. Tc8-e8+ Lf8-e7 4. Dc7-d8 Ke6-e5 5. La8-f3 Ke5-e6 6. Lf3-h5 Ke6-e5 7. Dd8-d4+ Ke5-e6 8. Kg6-h6 Ke6-f5 9. Dd4-d5+ Kf5-f6 10. Te8-f8+ Le7xf8#
1. ... Lf8-e7 2. Kg6-g7 Kd7-d6 3. Le3-f4+ Kd6-d7 4. Tc8-c7+ Kd7-d8 5. Df7-g8+ Le7-f8+ 6. Kg7-h8 Kd8-e8 7. La8-c6+ Ke8-d8 8. Lc6-d7 Kd8-e7 9. Dg8-g5+ Ke7-f7 10. Dg5-g7+ Lf8xg7#
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Anton Baumann: C+ Gustav 4.2a (17h35') (2023-09-15)
comment

Genre: s#
FEN: B1R2bQ1/N2k3P/6K1/8/8/4B3/8/8
Input: Marcin Banaszek, 2019-02-19
Last update: Marcin Banaszek, 2019-02-19 more...
11 - P1381075
Jozef Holubec
F211 SuperProblem (Website) 07/04/2020
P1381075
(7+4) C+
s#10
1. Sbd1+! Kc7 2. Txf7+ Kc6 3. Dxc4+ Kd6 4. De6+ Kc5 5. Tc7+ Kd4 6. Sc2+ Kd3 7. Td7+ Kxc2 8. Dg6+ Te4 9. Dc6+ Tc4 10. Da4+ Txa4#
1. ... Ka8 2. Dd8+ Ka7 3. Txf7+ Ka6 4. Dd6+ Ka5 5. Tf5+ Ka4 6. Sb2+ Kb3 7. Tb5+ Kc3 8. Sbd1+ Txd1 9. T5b3+ cxb3 10. Tc1+ Txc1#
play all play one stop play next play all
more ...
comment
Keywords: Checking key
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 8/1k3b2/5R2/8/2pQ2B1/4N3/1N6/KR2r3
Input: Marcin Banaszek, 2020-10-17
Last update: Alfred Pfeiffer, 2020-10-19 more...
12 - P1381408
Jozef Holubec
Gravure 2020
2. Lob
P1381408
(7+2) C+
s#8
b) +wBa2
a) 1. La2! Kd4 2. Dg1+ Ke4 3. Ke1 Kf5 4. Tf3+ Ke4 5. Ld2 Kxf3 6. Th4 e4 7. Kf1 e3 8. Le1 e2#

b) 1. Lf8! Kd4 2. Th4+ e4 3. Lb4 Kxc4 4. La5 Kd4 5. Kd1 Kc4 6. Ta4+ Kd3 7. Dc1 e3 8. Le1 e2#
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more ...
comment
Keywords: Twin, Pawn mate, Echo, Selfblock, Model mate
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 8/5N1R/7B/4p1Q1/2B1k3/R7/3K4/8
Input: Olaf Jenkner, 2020-10-31
Last update: Alfred Pfeiffer, 2020-11-03 more...
13 - P1384262
Jozef Holubec
S448 Problemist Ukrainy 10-12/2020
P1384262
(12+3) C+
s#9
b) sBd5 statt wBd5
c) wBa6 statt sBa6
a) 1. Da5-a3+! Kb3-c2 2. Da3-a4+ Tb8-b3 3. Td1-d3 a6-a5 4. Sc4-b6 Kc2xb2 5. Td3xb3+ Kb2-c2 6. Tb3-b4+ Kc2-c3 7. 0-0-0 a5xb4 8. Le2-d3 b4-b3 9. Ld3-b1 b3-b2#
b) 1. Se6-c5+! Kb3-c2 2. Sc4-a3+ Kc2xb2 3. Sc5-d3+ Kb2-b3 4. Ta1-b1+ Kb3-a2 5. Sd3-b4+ Tb8xb4 6. Td1-d2+ Tb4-b2 7. Da5xd5+ Ka2xa3 8. Dd5-a5+ Ka3-b3 9. Ke1-d1 Tb2xb1#
c) 1. Sc4-d2+! Kb3-c2 2. Da5-c5+ Kc2xb2 3. Dc5-a3+ Kb2-c2 4. Ta1-a2+ Tb8-b2 5. Le2-f3 Tb2xa2 6. Da3-c1+ Kc2-d3 7. Dc1-c4+ Kd3-e3 8. Sd2-f1+ Ke3xf3 9. Dc4-e2+ Ta2xe2#
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Henrik Juel: Popeye 4.61 with 'opt non 0 1' found no flaws in a) and b) (2020-12-27)
Henrik Juel: ditto for c) with 'opt non 1 1'
1.Sd2+ Kxb2? 2.Da3+ and s#8 (2020-12-27)
SCHRECKE: a),b)+c): C+, Gustav 4.1d, Brute Force (2021-01-05)
comment

Genre: s#
Computer test: Gustav 4.1d
FEN: 1r6/8/p2PN3/Q2PP3/2NP4/1k6/1P2B3/R2RK3
Input: Marcin Banaszek, 2020-12-27
Last update: Marcin Banaszek, 2021-01-06 more...
14 - P1386279
Jozef Holubec
S2813 The Problemist 27-10, p. 392, 07/2020
P1386279
(7+3)
s#12
b) +wBg3
a) 1. Ld3+ Kf7 2. De7+ Kg8 3. Dd8+ Kf7 4. Tf4+ Ke6 5. Lf5+ Kf7 6. Le4+ Ke6 7. Sd4+ Ke5 8. Dd5+ Kxf4 9. Se6+ Kg4 10. Dd1+ Kh3 11. Sf4+ Kh2 12. Dg1+ Txg1#

b) 1. Dd6+ Kf5 2. Dd3+ Kf6 3. Ld4+ Kg5 4. Le3+ Kf6 5. Tf4+ Kg5 6. Tf1+ Kg4 7. Df5+ Kxg3 8. Df4+ Kg2 9. Tg1+ Kh3 10. Th1+ Kg2 11. Df2+ Kxh1 12. Dg1+ Txg1#
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Henrik Juel: For part a Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws
For part b Popeye 4.61 with 'opt thr 0' found no flaws, but several short solutions when Black defends poorly (2021-02-06)
comment

Genre: s#
FEN: 7b/6r1/2N3k1/4Q3/2B4R/8/P4B2/K7
Input: Felber, Volker, 2021-02-06
Last update: Felber, Volker, 2021-02-06 more...
15 - P1388516
Jozef Holubec
1006 Pat a Mat 115 03/2021
2. ehrende Erwähnung
Pat a Mat 2020-2021
P1388516
(7+2)
s#15
b) Tb5>b6
a) 1. Lg3-h4+! Ke7-d6 2. Df5-d5+ Kd6-c7 3. Dd5-b7+ Kc7-d6 4. Tb5-d5+ Kd6-e6 5. Td5-c5+ Ke6-d6 6. Lh4-e7+ De8xe7 7. Db7-b6+ Kd6-d7 8. Db6-c6+ Kd7-d8 9. Dc6-a8+ Kd8-d7 10. Da8-c8+ Kd7-d6 11. Tc5-c6+ Kd6-e5 12. Dc8-f5+ Ke5-d4 13. Tc6-c4+ Kd4xe3 14. Df5-f2+ Ke3-d3 15. Df2-e2+ De7xe2#
b) 1. Df5-f6+! Ke7-d7 2. Df6-d6+ Kd7-c8 3. Dd6-b8+ Kc8-d7 4. Tb6-b7+ Kd7-c6 5. Lb3-d5+ Kc6-c5 6. Lg3-d6+ Kc5-d4 7. Db8-a7+ Kd4-d3 8. Da7-a3+ Kd3-d4 9. Da3-c5+ Kd4-d3 10. Ld5-e4+ Kd3xe4 11. Tb7-b4+ Ke4-f3 12. Dc5-d5+ De8-e4 13. Dd5-d1+ Kf3xe3 14. Dd1-d2+ Ke3-f3 15. Dd2-e2+ De4xe2#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws in a (2022-08-03)
comment
Keywords: Checking key, Minimal
Genre: s#
FEN: 4q3/4k3/8/1R3Q2/8/1B2N1B1/P7/4K3
Input: Marcin Banaszek, 2021-04-13
Last update: Marcin Banaszek, 2022-08-03 more...
16 - P1393015
Jozef Holubec
FIDE World Cup 9th 08/2021
1. ehrende Erwähnung
P1393015
(3+5)
s#19
1. Td2-b2+! Kb1-a1 2. Tb2-g2+ Ka1-b1 3. Dc3-c2+ Kb1-a1 4. Tg2-g1+ Lg3-e1 5. Dc2-c3+ Ka1-a2 6. Tg1-g2+ Ka2-b1 7. Tg2-b2+ Kb1-a1 8. Tb2-d2+ Ka1-b1 9. Td2-d1+ Kb1-a2 10. Dc3-c2+ Ka2-a3 11. Td1-a1+ Ka3-b4 12. Ta1-a4+ Kb4-b5 13. Dc2-c4+ Kb5-b6 14. Ta4-a6+ Kb6-b7 15. Dc4-c6+ Kb7-b8 16. Dc6-a8+ Kb8-c7 17. Ta6-c6+ Kc7-d7 18. Da8-b7+ Kd7-d8 19. Db7-e7+ Dh7xe7#
play all play one stop play next play all
Judge Mikhail Khramtsevich
Preliminary award 08/2021, final award 09/2021
Henrik Juel: Popeye 4.61 with 'opt non 3 1 thr 0' found no flaws (2021-08-22)
comment

Genre: s#
FEN: 5K2/7q/5n2/8/4p3/2Q3b1/3R4/1k6
Input: Marcin Banaszek, 2021-08-22
Last update: Marcin Banaszek, 2021-09-23 more...
17 - P1396506
Jozef Holubec
The Ural's Problemist Website 11/2021
4. Lob
Aleksandr Azhusin 70 JT
Section s# miniatures
P1396506
(5+2) cooked
s#13
1. Dg1! Kh4 2. e8=L Kh3 3. Lh5 Kh4 4. h8=D Kh3 5. Kf1 Kh4 6. Lg4+ Kg5 7. Le6+ Kf4 8. Dhd4+ Kf3 9. Dh4 dxe6 10. d7 e5 11. d8=L e4 12. La5 e3 13. Le1 e2#
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Cook: 1. Db1-b4 Kh3-g2 2. e7-e8=D Kg2-g1 3. h7-h8=D Kg1-g2 4. Ke2-d1 Kg2-f1 5. De8-e1 Kf1-g2 6. Dh8-h4 Kg2-f3 7. De1-h1 Kf3-e3 8. Db4-e1 Ke3-d3 9. Dh1-c6 d7xc6 10. d6-d7 c6-c5 11. d7-d8=L c5-c4 12. Ld8-g5 c4-c3 13. Lg5-c1 c3-c2#
1. e7-e8=D Kh3-g2 2. Db1-b4 Kg2-g1 3. h7-h8=D Kg1-g2 4. Ke2-d1 Kg2-f1 5. De8-e1 Kf1-g2 6. Dh8-h4 Kg2-f3 7. De1-h1 Kf3-e3 8. Db4-e1 Ke3-d3 9. Dh1-c6 d7xc6 10. d6-d7 c6-c5 11. d7-d8=L c5-c4 12. Ld8-g5 c4-c3 13. Lg5-c1 c3-c2#
1. h7-h8=D Kh3-g2 2. Db1-b4 Kg2-g1 3. e7-e8=D Kg1-g2 4. Ke2-d1 Kg2-f1 5. De8-e1 Kf1-g2 6. Dh8-h4 Kg2-f3 7. De1-h1 Kf3-e3 8. Db4-e1 Ke3-d3 9. Dh1-c6 d7xc6 10. d6-d7...
Jozef Holubec: KORREKTUR: Db1-g1, Kh3-h4 - s#12 (2021-12-21)
comment
Keywords: Minimal, Miniature
Genre: s#
FEN: 8/3pP2P/3P4/8/8/7k/4K3/1Q6
Input: Marcin Banaszek, 2021-12-01
Last update: Vaclav Kotesovec, 2021-12-19 more...
18 - P1398268
Jozef Holubec
S2859 The Problemist 28-3, p. 110, 05/2021
P1398268
(4+6) C+
s#12
b) sTd7->f7
a) 1. Ta1+! Kb2 2. Ta2+ Kc1 3. Ld3+ Kd1 4. Dc2+ Ke1 5. Df2+ Kd1 6. De2+ Kc1 7. De3+ Kd1 8. Le2+ Ke1 9. Ta1+ Td1 10. Lxd1+ Kf1 11. La4+ Kg2 12. Lc6+ Lxc6#
b) 1. Tb3+! Ka2 2. Tb6+ Ka3 3. Db4+ Ka2 4. Db1+ Ka3 5. Dc1+ Ka2 6. Lb1+ Ka1 7. Ta6+ La4 8. Ld3+ Ka2 9. Dc2+ Ka3,Ka1 10. Dxa4+ Kb2 11. Da1+ Kb3 12. Tb6+ Sxb6#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws
(part b required 'non 2 1') (2022-01-11)
SCHRECKE: a)+b): C+, Gustav 4.2a, Brute Force (2022-01-12)
comment

Genre: s#
FEN: K1n1b3/3r4/8/8/2Q3p1/k7/2B4b/1R6
Input: Felber, Volker, 2022-01-11
Last update: Marcin Banaszek, 2022-01-17 more...
19 - P1400298
Jozef Holubec
Sergey Smotrov

S0855 StrateGems 10-12/2021
2. Preis
P1400298
(5+8)
s#15
1. Dd5-d7+? Kc7-b8 2. Te3-e8+ Lh5xe8!

1. Dd5-b7+! Kc7-d8! 2. Db7-a8+ Kd8-c7 3. Da8-c8+ Kc7-d6 4. Dc8-d7+ Kd6-c5 5. Sb6-a4+ Kc5-c4 6. Lb1-d3+ Kc4-b3 7. Ld3-g6+! Kb3-c4 8. Sa4-b6+ Kc4-c5 9. Dd7-c7+ Kc5-d4 10. Dc7-f4+ Kd4-c5 11. Df4-e5+ Kc5-c6 12. De5-d5+ Kc6-c7 13. Dd5-d7+ Kc7-b8 14. Te3-e8+ Sg7xe8 15. Dd7-a7+ Th7xa7#
play all play one stop play next play all
Judge Mike Prcic, 10-12/2022
Henrik Juel: Popeye 4.61 with 'opt non 1 1 thr 0' found no flaws (2022-04-06)
Henrik Juel: 1... Kd6? allows s#13 with 2.Dd7+ etc. as above (2022-04-06)
comment

Genre: s#
FEN: 5b2/2k3nr/KN6/3Q3b/1p6/n3R3/p7/1B6
Input: Marcin Banaszek, 2022-04-06
Last update: Marcin Banaszek, 2022-10-02 more...
20 - P1402670
Jozef Holubec
S2883 The Problemist 28-6, p. 240, 11/2021
P1402670
(8+2) C+
s#11
3 Lösungen
1) 1. Sa2! Ke1 2. Lb4+ Kf1 3. Tf3 Ke2 4. Tb3+ Kf1 5. Dg2+ Ke2 6. Sg3+ Kd1 7. Tb1+ Kc2 8. Sf5 Kd3 9. Df1+ Kc2 10. Sd4+ Lxd4 11. Tb2+ Lxb2#
2) 1. De2+! Kg1 2. Dd1+ Le1 3. Sf2 Kf1 4. g8=L Kg1 5. La2 Kf1 6. Dd3+ Kg1 7. Se2+ Kf1 8. Dh3+ Kxe2 9. Lb5+ Kd2 10. Dd3+ Kc1 11. Dc3+ Lxc3#
3) 1. g8=L! Ke1 2. Lb4+ Kf1 3. Df4 Kg1 4. Se2+ Kf1 5. Tc5 Kxe2 6. Lc4+ Kd1 7. Lf3+ Kc2 8. Dh2 Kc1 9. La2+ Lxc5 10. La3+ Lxa3 11. Db2+ Lxb2#
play all play one stop play next play all
SCHRECKE: Lösung:
I) 1. Sa2! Ke1 2. Lb4+ Kf1 3. Tf3 Ke2 4. Tb3+ Kf1 5. Dg2+ Ke2 6. Sg3+ Kd1 7. Tb1+ Kc2 8. Sf5 Kd3 9. Df1+ Kc2 10. Sd4+ Lxd4 11. Tb2+ Lxb2#
II) 1. De2+! Kg1 2. Dd1+ Le1 3. Sf2 Kf1 4. g8=L Kg1 5. La2 Kf1 6. Dd3+ Kg1 7. Se2+ Kf1 8. Dh3+ Kxe2 9. Lb5+ Kd2 10. Dd3+ Kc1 11. Dc3+ Lxc3#
III) 1. g8=L! Ke1 2. Lb4+ Kf1 3. Df4 Kg1 4. Se2+ Kf1 5. Tc5 Kxe2 6. Lc4+ Kd1 7. Lf3+ Kc2 8. Dh2 Kc1 9. La2+ Lxc5 10. La3+ Lxa3 11. Db2+ Lxb2# (2022-11-19)
comment
Keywords: Minimal (l)
Genre: s#
FEN: 8/6P1/2BB4/5R2/6Q1/8/5b2/K1N2k1N
Input: Felber, Volker, 2022-07-13
Last update: Marcin Banaszek, 2022-11-20 more...
21 - P1403230
Jozef Holubec
1345 Pat a Mat 118 12/2021
P1403230
(6+5)
s#13
b) -sSd5
a) 1. Ld2-f4+! Sd5xf4 2. Df3xf4+ Kh2-g2 3. Df4-f2+ Kg2xh3 4. Df2-f3+ Kh3-h4 5. Tf1-h1+ Kh4-g5 6. Df3-f6+ Kg5-g4 7. Th1-h4+ Kg4-g3 8. Df6-f4+ Kg3-g2 9. Df4-h2+ Kg2-f3 10. Th4-f4+ Kf3-e3 11. Dh2-f2+ Ke3-d3 12. Df2-d4+ Kd3-e2 13. Dd4-d2+ La5xd2#

b) 1. Tf1-f2+! Kh2-g1 2. Tf2-g2+ Kg1-h1 3. Tg2-g4+ Kh1-h2 4. Df3-g3+ Kh2-h1 5. Dg3-e1+ Kh1-h2 6. Ld2-f4+ Kh2xh3 7. Tg4-h4+ Kh3-g2 8. De1-e2+ Kg2-g1 9. Lf4-h2+ Kg1-h1 10. Lh2-g1+ Kh1xg1 11. De2-h2+ Kg1-f1 12. Th4-f4+ Kf1-e1 13. Dh2-d2+ La5xd2#
play all play one stop play next play all
Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws in part b (2022-07-30)
Henrik Juel: Popeye 4.61 with 'opt non 3 1 thr 0' found no flaws in in the full-length variation of part a (2022-07-30)
comment

Genre: s#
FEN: 8/8/6b1/b2nP3/8/p4Q1P/3B3k/2K2R2
Input: Marcin Banaszek, 2022-07-30
Last update: Marcin Banaszek, 2022-07-30 more...
22 - P1406037
Jozef Holubec
S2902 The Problemist 28-9, p. 368, 05/2022
P1406037
(6+5)
s#10
1. Sxd5! e3 2. Sc3+ Kf1 3. Dxf3+ Kg1 4. De2 Kh1 5. Le5 Kg1 6. Dh2+ Kf1 7. Se2 Ke1 8. Lb2 Kf1 9. Sg3+ Ke1 10. Dd2+ exd2#
1. ... Kf1 2. Dh1+ Ke2 3. Sc3+ Ke3 4. Le5 Kf2 5. Sd1+ Ke2 6. Dg1 f2 7. Dg2 Ke1 8. Lc3+ Ke2 9. Ld2 e3 10. Sb2 exd2#
play all play one stop play next play all
Anton Baumann: 1. ... Kf1 2.Dh1+ ... 6.Dg1 e3 7.Sb2 f2 8.Dg2 Ke1 9.Lc3+ Ke2 10.Ld2 exd2#
C+ Gustav 4.2a (2023-05-02)
comment
Keywords: Capture key, Pawn mate, changed blocks, Change of Sacrifices
Genre: s#
FEN: 8/8/8/3p3Q/4p3/4NpB1/p1P1k3/R1K5
Input: Felber, Volker, 2022-11-21
Last update: Gunter Jordan, 2022-11-21 more...
23 - P1413625
Jozef Holubec
The Royal Moroccan Chess Federation (FRME) 11/2023
Lob
9th FRME Tourney
P1413625
(8+3) C+
s#10
b) Kd4>f6
a) 1. Dd2-e3+! Kg3-h4 2. Lh3-g2+ Kh4-g4 3. Sd5-f6+ Kg4-f5 4. De3-f2+ Kf5-g5 5. Sf6-h7+ Kg5-g4 6. Lg2-f3+ Kg4-f4,Kf5 7. Lf3-d5+ Kf4-g4 8. Df2-h4+ Kg4-f5 9. Dh4-h3+ Kf5-f4 10. Sf8-e6+ Sg7xe6#
b) 1. Dd2-g2+! Kg3-h4 2. Sf8-g6+ Kh4-h5 3. Dg2-g4+ Kh5-h6 4. Dg4-g5+ Kh6-h7 5. Sg6-f8+ Kh7-g8 6. Sf8-e6 Kg8-h7 7. Dg5-g6+ Kh7-g8 8. Dg6-f7+ Kg8-h7 9. Sd5-e7 Kh7-h6 10. Lh3-f5+ Sg7-h5#
play all play one stop play next play all
Judge Sergiy Borodavkin
Henrik Juel: a) Popeye 4.61 with opt 'non 1 1 thr 0' found no flaws (2023-11-23)
SCHRECKE: a)+b): C+, Gustav 4.2e, Brute Force (2023-11-24)
comment

Genre: s#
Computer test: Gustav 4.2e
FEN: 5N1b/6n1/8/3N4/2PK4/3P2kB/3Q4/7R
Input: Marcin Banaszek, 2023-11-23
Last update: Marcin Banaszek, 2024-03-04 more...
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The problems of this query have been registered by the following contributors:

Frank Müller (9)
Marcin Banaszek (9)
Olaf Jenkner (1)
Felber, Volker (4)