Die Schwalbe

13 problem(s) found in 6963 milliseconds (displaying 13 problem(s)). [COMMENTDATE>=20220810 AND NOT K='Damenopfer' AND K='Dauerschach'] [download as LaTeX]

1 - P1086747
Frank Müller
Die Schwalbe 02/2005
Hemmo Axt 60 JT
4. Preis
P1086747
(4+4)
s#22
Probe 1. Dh5+? Dxh5+ 2. Kg8
1. Df2+! Kh3 2. Lg2+ Kh2 3. Dg3+ Kg1 4. Ld5+ Kf1 5. Df3+ Ke1 6. Tg1+ Kd2 7. Td1+ Kc2 8. De2+ Kc3 9. Dc4+ Kb2 10. Dxa2+ Kc3 11. Da3+ Kc2 12. Lb3+ Kc3 13. Lg8+ Kc2 14. Tc1+ Kd2 15. Dc3+ Ke2 16. Te1+ Kf2 17. De3+ Kg2 18. Te2+ Kf1,Kh1 19. Df3+ Kg1 20. Tg2+ Kh1 21. Tg7+ Kh2 22. Dh5+ Dxh5#
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Korrektur (sBh5 nach a2) in Die Schwalbe 12/2016
Henrik Juel: Popeye 4.61 with 'opt non 1 1 thr 0' found no flaws (2022-10-17)
comment
Keywords: Führung w Figur, Logik - Multiple Rückkehr, Checking key, Perpetual check
Genre: s#
FEN: 4q3/1B2p1RK/8/8/8/5Q2/p6k/8
Reprints: M33 mpk-Blätter 10/2011
F236 FIDE Album 2004-2006 2013
Input: Frank Müller, 2009-06-18
Last update: Gunter Jordan, 2022-10-17 more...
2 - P1280119
Gerald Ettl
6712 feenschach 11/1994
Lob
P1280119
(6+8)
s#14
1. a8=T+ Kb6 2. b8=D+ Kxc6 3. d8=S+ Kd7 4. c8=L+ Kxd8 5. La6+ Kd7 6. Lb5+ Ke6 7. De8+ Kf6 8. De7+ Kg6 9. Le8+ Kh6 10. Df6+ Kh7 11. Lg6+ Kh6 12. Lf7+ Kh7 13. Dg6+ Kh8 14. Dh6+ Lxh6#
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Henrik Juel: Popeye 4.61 with 'opt non 0 1 thr 0' found no flaws (2022-08-15)
comment
Keywords: Allumwandlung, Königslenkung, konsekutive Umwandlungen 4 (TDSL), under-promotion key, Checking key, Perpetual check, Antiphönix, Königswanderung, Edge to edge
Genre: s#
FEN: 5K2/PPPP4/k1Bp4/2pp1p2/8/4b3/8/r3r3
Input: Frank Müller, 2013-11-05
Last update: Gunter Jordan, 2022-08-15 more...
3 - 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#
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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...
4 - P1361830
Vladimir I. Katsnelson
Leonard I. Katsnelson

Wetscherni Peterburg 10/11/2017
4. Ehrende Erwähnung
P1361830
(5+3)
Remis
1. fxg5+? Kxg5! Schwarz gewinnt

1. g4! Th4 2. Kg3 Le7 3. g5+ Lxg5 4. fxg5+ Kxg5 5. f6! Tg4+ 6. Kh3! Th4+ 7. Kg3 Tg4+ 8. Kh3
5. ... Th6? 6. f7! Weiß gewinnt
5. g7? Tg4+
2. ... Th1 3. fxg5+ Kg7 4. Kg2,Kf2,Kf3,Kf4
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Anton Baumann: mögliche Lösung: 1.g4! Th4 2.Kg3 Th1 3.fxg5+ Kg7 4.Kg2 Ta1 5.Kf3 =
2. ... Lf6 3.g5+ Lxg5 4.fxg5 Kxg5 5.f6! Tg4+ 6.Kh3 Tf4 7.g7 Th4+ 8.Kg3 Tg4+ 9.Kf3 Kxf6 10.Kxg4 =
2. ... Ld8 3.g5+ Kh5 4.g7 Lxg5 5.g8=D Tg4+ Kf3 Txf4 7.Ke2 Txf5 = (2023-05-23)
comment
Keywords: Positional draw, Perpetual check
Genre: Studies
FEN: 8/8/6Pk/5Pbr/5P2/6P1/6K1/8
Input: Mario Richter, 2019-03-02
Last update: Rainer Staudte, 2023-05-26 more...
5 - P1396555
Sergey Smotrov
The Ural's Problemist Website 11/2021
3. Preis
Aleksandr Azhusin 70 JT
Section logical s#
WCCI=7.5
P1396555
(5+11)
s#18
1. Df7-f4+? Sg3-e4 2. Sc7-b5+ Kd4-c4 3. Sb5-d6+ Kc4-d4 4. Lf8-f2+??
1. Tg5-d5+? Kd4-c4 2. Td5-a5+ Kc4-d4 3. Lf8-c5+ Kd4-e5 4. Lc5-e7+ Ta4xa5!

1. Tg5-d5+! Kd4-c4 2. Td5-b5+! Kc4-d4 3. Lf8-c5+ Kd4-e5 4. Lc5-e7+ Ke5-d4 5. Tb5-d5+ Kd4-c4 6. Td5-a5+ Kc4-d4 7. Sc7-b5+ Kd4-e5 8. Le7-f6+ Ke5-f5 9. Lf6-h4+! Kf5-e5 10. Df7-f6+ Ke5-d5 11. Sb5-c7+ Kd5-c4 12. Df6-f7+ Kc4-d4 13. Ta5-d5+ Kd4-c4 14. Td5-g5+ Kc4-d4 15. Df7-f4+ Sg3-e4 16. Sc7-b5+ Kd4-c4 17. Sb5-d6+ Kc4-d4 18. Lh4-f2+ Tg2xf2#
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1. Returns of white figures
2. Logic maneuver Bf8 => h4
Henrik Juel: Popeye 4.61 with 'opt thr 0 non 0 1' found no flaws (2022-09-02)
comment
Keywords: Checking key, Perpetual check
Genre: s#
FEN: 1n3B2/2N2Q2/7b/6Rp/rp1k4/1ppp1Kn1/6r1/8
Input: Marcin Banaszek, 2021-12-03
Last update: Marcin Banaszek, 2022-09-02 more...
6 - P1404828
Wladimir A. Schmatow
12 Albino pljus 71 03/2017
P1404828
(3+2)
#6
1. Lc2+! Ka2 2. De6+ Kb2 3. De5+ Ka3,Ka2 4. Da5+ Kb2 5. Dc3+ Kc1 6. Dxa1#
5. ... Ka2 6. Db3#
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SCHRECKE: C+, Gustav 4.2b, Brute Force (2022-10-03)
comment
Keywords: Aristocrat, Minimal (d), Miniature, Checking key, Perpetual check
Genre: n#
FEN: 8/8/8/8/8/1B1KQ3/8/qk6
Input: Rainer Staudte, 2022-10-03
Last update: Gunter Jordan, 2022-10-03 more...
7 - P1404839
Sergey Smotrov
Moscow tourney 10/2022
4. Lob
P1404839
(4+4)
s#13
1. Tf5-f4+! Kd4-d3 2. Dg5-f5+ Kd3-e3 3. Tf4-e4+ Ke3-d3 4. Te4-h4+ Kd3-e3 5. Sf6-g4+ Ke3-d4 6. Sg4-f2+ Kd4-e3 7. Df5-g5+ Ke3-f3 8. Th4-f4+ Kf3-e3 9. Tf4-f5+ Ke3-d4 10. Dg5-g4+ Kd4-e3 11. Dg4-f3+ Ke3-d4 12. Df3-d5+ Kd4-e3 13. Dd5-d2+ c3xd2#
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Judge Igor Agapov
Henrik Juel: Popeye 4.61 with 'opt non 2 1 thr 0' found no flaws
1... Ke3? 2.Sd5+ gives selfmate in 10 (2022-10-03)
comment
Keywords: Checking key, Perpetual check
Genre: s#
FEN: 8/8/5N2/5RQ1/b2k4/2p5/6p1/4K3
Input: Marcin Banaszek, 2022-10-03
Last update: Gunter Jordan, 2022-10-03 more...
8 - P1408779
Valery Surkov
ru_chess_art 09/04/2023
P1408779
(4+2)
s#3
1. Tb1+? Txb1+ 2. Dxb1+!

1. De3+? Kc2 2. De2+ Kc1 3. Tb1+ Txb1#
1. ... Kd1!

1. Df1+! Kc2 2. De2+ Kc1 3. Tb1+ Txb1#
1. ... Kd2 2. Td3+ Kc2 3. Db1+ Txb1#
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SCHRECKE: C+, popeye 4.87 (2023-04-11)
comment
Keywords: Minimal (t), Miniature, Checking key, Perpetual check
Genre: s#
FEN: 8/8/8/1r6/8/1R1Q4/P7/K1k5
Input: Rainer Staudte, 2023-04-11
Last update: Gunter Jordan, 2023-04-11 more...
9 - P1408788
Valery Surkov
G45-16 feenschach 247 10-12/2021
P1408788
(5+2)
s#4
1. Lb6+! Dxb6 2. Df7+ Kc6 3. Dd5+ Kc7 4. b8=D+ Dxb8#
1. ... Kc6 2. Dd5+ Kxb6 3. b8=D+ Ka6 4. Da7+ Dxa7#
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SCHRECKE: C+, Gustav 4.2c, Brute Force (2023-04-11)
comment
Keywords: Minimal (d), Miniature, Checking key, Promotion (D), Perpetual check, Corner mate
Genre: s#
FEN: K7/1Pk5/8/2B5/8/1Q1R4/8/6q1
Input: Rainer Staudte, 2023-04-11
Last update: Gunter Jordan, 2023-04-13 more...
10 - P1408793
Valery Surkov
G45-19 feenschach 247 10-12/2021
P1408793
(5+2)
s#4
2 Lösungen
1. Dd4+? Kc6 2. Tc5+ Kb6 3. Db4+ Ka6 4. Db7+ Lxb7#
1. ... Ka6!

1) 1. Dc4! Lh3,L~ c8=S+ Lxc8 3. Dc7+ Ka6 4. Db7+ Lxb7#

2) 1. La7+! Kxc7 2. Da5+ Kc6 3. Db5+ Kc7 4. Db7+ Lxb7#
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SCHRECKE: C+, Gustav 4.2c, Brute Force (2023-04-12)
comment
Keywords: Minimal (l), Miniature, Perpetual check (in 2), under-promotion (S in 1), Antiphönix, Checking key
Genre: s#
FEN: KBb5/2P5/1k6/3R4/Q7/8/8/8
Input: Rainer Staudte, 2023-04-11
Last update: Gunter Jordan, 2023-04-13 more...
11 - P1408822
Valery Surkov
G45-48 feenschach 247 10-12/2021
P1408822
(5+2)
s#7
2 Lösungen
1) 1. Dd4+! Kc6 2. Tc5+ Kb6 3. Db4+ Lb5 4. Lc7+ Ka6 5. b8=L! droht 6. Tc6+ Lxc6+ 7. Db7+ Lxb7#
5. ... Lf1,L~ 6. Db5+ Lxb5 7. Tc6+ Lxc6#

2) 1. Dd8+! Kc6 2. De8+ Kb6 3. Lc7+ Kxc7 4. b8=L+ Kb6 5. Dd8+ Kc6 6. Dd5+ Kb6 7. Db7+ Lxb7#
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Henrik Juel: C+ Popeye 4.61 (2023-04-13)
comment
Keywords: under-promotion (L,L), Minimal (l), Miniature, Checking key, Perpetual check (in 2), Corner mate, Model mate (Gnaden-)
Genre: s#
FEN: KB6/1P1Q4/bk6/4R3/8/8/8/8
Input: Rainer Staudte, 2023-04-13
Last update: Gunter Jordan, 2023-04-13 more...
12 - P1408824
Valery Surkov
G45-52 feenschach 247 10-12/2021
P1408824
(4+2)
s#8
b) sDh1->a1
a) 1. Ta7+! Kb6 2. Dd8+ Kc6 3. Tc7+ Kb6 4. Tc1+ Ka6 5. Dc8+ Kb6 6. Tb1+ Dxb1 7. Db8+ Ka6,Kc6 8. Db7+ Dxb7#

b) 1. Df7+! Kc8 2. Df5+ Kc7 3. Td7+ Kc8 4. Td4+ Kc7 5. Dc2+ Dc3 6. Dh7+ Kc8 7. Tc6+ Dxc6+ 8. Db7+ Dxb7#
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SCHRECKE: b) sDh1 nach a1
a)+b): C+, Gustav 4.2c, Brute Force (2023-04-13)
comment
Keywords: Echo, Aristocrat, Minimal (d), Miniature, Checking key, Corner mate, Model mate (Gnaden-), Perpetual check, Twin
Genre: s#
FEN: K3Q3/2k5/R7/3R4/8/8/8/7q
Input: Rainer Staudte, 2023-04-13
Last update: Gunter Jordan, 2023-04-13 more...
13 - P1412776
Sergiy Karnatsky
C437 Problemist Ukrainy 77 07-09/2023
1. ehrende Erwähnung
P1412776
(8+6) C+
#13
1. Ta6-a1+! Kb1-c2 2. Ta1-c1+ Kc2-d3 3. Tc1-c3+ Kd3-e4 4. Tc3-e3+ Ke4-f5 5. Te3-e5+ Kf5-g6 6. Te5-g5+ Kg6-h7 7. Tg5-h5+ Kh7-g6 8. Th5-h6+ Kg6-f5 9. Th6-f6+ Kf5-e4 10. Tf6-f4+ Ke4-d3 11. Tf4-d4+ Kd3-c2 12. Td4-d2+ Kc2-b1 13. Td2-b2#
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Judge Yuri Gordian 10/2023
SCHRECKE: C+, Gustav 4.2e, Brute Force (2023-10-06)
comment
Keywords: Schlüssel = Eckzug, Checking key, Perpetual check, Switchback (k), Rook's Staircase
Genre: n#
Computer test: Gustav 4.1c
FEN: 6rB/1n3N2/R3P3/3b4/1K4p1/1N4P1/4pP2/1k6
Input: Marcin Banaszek, 2023-10-06
Last update: Gunter Jordan, 2023-10-06 more...
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The problems of this query have been registered by the following contributors:

Frank Müller (2)
Marcin Banaszek (4)
Mario Richter (1)
Rainer Staudte (6)