Die Schwalbe

22 problem(s) found in 4156 milliseconds (displaying 22 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND S='StrateGems']

1 - P0583703
Reinhardt Fiebig
Mirko Degenkolbe

H0311 StrateGems 01-03/2000
P0583703
(9+6) C+
h#14
ohne wK
1. Kxf8 c4 2. Ke8 c3 3. Kd7 c6+ 4. Kxc6 c5 5. Kxc5 c4 6. Kd4 c5 7. Kxe5 c6 8. Kf4 e5 9. Kxg5 h4+ 10. Kh6 h3 11. g5 hxg5+ 12. Kg7 g6 13. Kf8 g7+ 14. Ke8 g8=D#
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ohne wK
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comment
Keywords: Promotion in the mating move
Genre: Fairies
Computer test: popeye 4.85
FEN: 5Q2/2p1pk2/4p1p1/2P1P1Pp/4P3/2P4P/2P4P/8
Input: hpr, 2001-08-08
Last update: Alfred Pfeiffer, 2020-10-27 more...
2 - P1004002
Noam D. Elkies
R0094 StrateGems 17 01-03/2002
Richard Stanley gewidmet
P1004002
(14+15) C+
BP in 23,5
1. Sc3 d5 2. Sxd5 h6 3. Se3 Dd3 4. Tb1 Dh7 5. Sf5 a5 6. e3 a4 7. Dh5 a3 8. Ke2 axb2 9. a4 Ta6 10. a5 Tg6 11. a6 c5 12. a7 c4 13. a8=T c3 14. Ta6 cxd2 15. Tb6 d1=T 16. Ld2 Sf6 17. La5 Td8 18. c3 Sd7 19. Kd3 Dg8 20. Kd4 Th7 21. Lb5 Dh8 22. La4 Sg8 23. Kd5 f6 24. Ke6= patt
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James Malcom: Is this the record for the longest PG ending in stalemate? (2020-11-13)
A.Buchanan: There are no shorter ones in PDB without a promotion ("=" can mean promotion or draw). Coming at 41.5 by Guus Rol there is P1011937, ending in draw by 3Rep. (2020-11-13)
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comment
Keywords: Unique Proof Game, Non-standard material (Tt)
Genre: Retro
Computer test: Natch 3.1 (15 min.)
FEN: 2brkbnq/1p1np1pr/1R2Kprp/B4N1Q/B7/2P1P3/1p3PPP/1R4NR
Input: Gerd Wilts, 2002-04-05
Last update: A.Buchanan, 2020-11-13 more...
3 - P1064109
Christopher Jeremy Morse
StrateGems 2003
P1064109
(8+6)
#2

BS Problemid: 49199
Authors: Morse, C Jeremy
Sources:
Years: 2003
Henrik Juel: 1.Sc4 with 12 threats: 2.bxa8,b8,bxc8=DTLS
Three unique mates: 1... Kxd7/Tb8/Lxc4+ 2.b8=S/bxa8=S/bxc8=S# (2020-11-19)
comment
Keywords: Brian Stephenson Collection (49199), Promotion
Genre: 2#
FEN: n1r3bK/RPkBP1N1/1N6/8/8/4n3/8/1R4b1
Input: Brian Stephenson, 2004-08-12
Last update: James Malcom, 2020-11-19 more...
4 - P1067873
Roberto Osorio
Jorge Joaquin Lois

StrateGems 2004
5. Preis
P1067873
(15+13) C+
BP in 22,5
1. b3 g6 2. La3 Lg7 3. Ld6 Lc3 4. Lxc7 Sf6 5. Lxb8 Da5 6. h4 Da3 7. Lh2 a5 8. g3 Ta6 9. Lg2 Te6 10. Kf1 Te3 11. dxe3 d6 12. Dd3 Kd7 13. Da6 bxa6 14. La8 Lb7 15. Sf3 Tc8 16. Lg1 Tc4 17. Sh2 Tg4 18. f4 Kc6 19. Lf2 Kc5 20. Le1 Lf3 21. Ld2 Se4 22. Lc1 Sd2+ 23. Kg1
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paul: wBc1 circuit (2020-11-29)
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comment
Keywords: Unique Proof Game
Genre: Retro
Computer test: Natch 3.1 (3 min.)
FEN: B7/4pp1p/p2p2p1/p1k5/5PrP/qPb1PbP1/P1PnP2N/RNB3KR
Reprints: feenschach 155, p. 296, Herb/2004
Input: Gerd Wilts, 2005-05-14
Last update: Alfred Pfeiffer, 2018-12-21 more...
5 - P1068645
Roberto Osorio
Jorge Joaquin Lois

Moutecidis Fougiaxis Prentos Jubiläumst. 12/2006
1. ehrende Erwähnung K. Prentos 40 Jahre
P1068645
(13+13) C+
BP in 17,0
1. a4 Sa6 2. a5 Sc5 3. a6 c6 4. axb7 Da5 5. b8=L La6 6. Lg3 0-0-0 7. f4 Kb8 8. Kf2 Tc8 9. f5+ Tc7 10. f6 Lb5 11. fxe7 a6 12. e8=L Ld6 13. Lxf7 Se7 14. La2 Dxa2 15. Kf3 Tf8+ 16. Kg4 Txf1 17. Lf2 Txf2
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Silvio Baier: C+ (Euclide 0.95) (2010-02-02)
paul: BB Prentos theme (2020-11-29)
comment
Keywords: Unique Proof Game, Ceriani-Frolkin Theme (LL)
Genre: Retro
Computer test: Euclide 0.95
FEN: 1k6/2rpn1pp/p1pb4/1bn5/6K1/8/qPPPPrPP/RNBQ2NR
Reprints: (3) StrateGems 10/2007
Input: Gerd Wilts, 2006-12-21
Last update: A.Buchanan, 2014-05-11 more...
6 - P1080589
Roberto Osorio
Jorge Joaquin Lois

(O5) StrateGems 10-12/2007
P1080589
(14+12) C+
BP in 15,0
1. f4 d5 2. f5 Le6 3. f6 Sd7 4. fxe7 f5 5. exf8=L Se7 6. a4 Sc8 7. Ld6 Dh4 8. Lg3 0-0 9. a5 Tf6 10. a6 Tg6 11. axb7 Tg5 12. b8=D g6 13. Dxa7 Kg7 14. Da2 Txa2 15. Lf2 Dxf2+
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Silvio Baier: 1.f4 d5 2.f5 Le6 3.f6 Sd7 4.fe f5 5.efL Se7 6.a4 Sc8 7.Ld6 Dh4 8.Lg3 0-0 9.a5 Tf6 10.a6 Tg6 11.ab Tg5 12.b8D g6 13.D:a7 Kg7 14.Da2 T:a2 15.Lf2 D:f2+
Rundläufe zweier Bauern mit anschließendem Schlag - damit auch Ceriani-Frolkin(DL); C+ (Euclide 0.95) (2010-02-16)
paul: QB Prentos theme (2020-11-29)
comment
Keywords: Unique Proof Game, Ceriani-Frolkin Theme (DL), Pure Round Trip (BB), Homebase (W)
Genre: Retro
Computer test: Euclide 0.95
FEN: 2n5/2pn2kp/4b1p1/3p1pr1/8/8/rPPPPqPP/RNBQKBNR
Input: Gerd Wilts, 2009-01-11
Last update: A.Buchanan, 2015-04-06 more...
7 - P1101117
Ion Murarasu
S0291 StrateGems 04-06/2004
nach George P. Sphicas
3. Lob
P1101117
(6+2)
s#20
1. Ld4+? Lxd4 2. Db2+ Lxb2+ 3. Kd1

1. Dc3+! Ka2 2. Dc4+ Ka1 3. Dd4+ Ka2 4. Dd5+ Ka1 5. De5+ Ka2 6. De6+ Ka1 7. Df6+ Ka2 8. Df7+ Ka1 9. Dg7+ Ka2 10. Dg8+ Ka1 11. Da8 Ka2 12. Lf3 Ka1 13. Ld1 Ka2 14. Dd5+ Ka1 15. Dd4+ Ka2 16. Dc4+ Ka1 17. Dc3+ Ka2 18. Db3+ Ka1 19. Ld4+ Lxd4 20. Db2+ Lxb2#
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Vorbild war s#13 Sphicas (US Problem Bulletin 1992)
SCHRECKE: Sphicas: P1263483 (2020-10-24)
comment
Keywords: Staircase (D), Führung w Figur, Ideal mate, Logik - Multiple Rückkehr
Genre: s#
FEN: 8/bB6/8/2B5/8/1Q6/2PP4/k1K5
Input: Frank Müller, 2010-03-13
Last update: Rainer Staudte, 2020-10-24 more...
8 - P1147727
Luke Neyndorff
25 StrateGems 01-03/2004
P1147727
(4+3)
#2
1. ... Txf1+ 2. Txf1#

1. Df3+? Dg2 2. Th8#
1. ... Tg2!

1. Dh8? Dh4+,D~ 2. Dxh4#,DxD
1. ... Dxh8 2. Txh8#
1. ... Txf1+,T~

1. Th8! droht 2. Dxh2#
1. ... Txf1+ 2. Dxf1#
1. ... Tg2 2. Dxg2#
1. ... Dxh3 2. Txh3#
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FE-D2D2 m
SCHRECKE: C+, popeye 4.85 (2020-11-14)
comment
Keywords: Miniature Collection (0319823)
Genre: 2#
FEN: 5R2/8/8/8/8/7Q/7q/4KBrk
Input: Zuncke/Bruder, 2010-09-12
Last update: Rainer Staudte, 2020-11-14 more...
9 - P1235616
Jiri Jelinek
StrateGems 10-12/2002
Petko Petkov 60 JT
4. Lob
P1235616
(14+4) C+
s#6
1. f8=D! Lxg4 2. Dd8+ Ld7 3. Da5+ Lb5 4. Tb6 axb6 5. Ke1 bxa5 6. Df3+ Sxf3#
1. ... Lxg6 2. Dff5+ Lxf5 3. g8=D+ Le6 4. Dg5+ Lf5 5. Kc1 Ke6 6. Db3+ Sxb3#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-11-06)
comment
Keywords: Echo
Genre: s#
FEN: 1NR5/p4PP1/P5R1/3k3b/3n2P1/3Q3B/1P1K1P1B/3N4
Input: Frank Müller, 2012-03-31
Last update: Marcin Banaszek, 2020-11-07 more...
10 - P1241444
Steven B. Dowd
Mirko Degenkolbe
Rolf Wiehagen

H1230 StrateGems 07-09/2007
P1241444
(3+3) C+
h#6
0.3.1...
b) sBc3
a1) 1. ... e4 2. Td2 e5 3. Txc2 e6 4. Kd3 e7 5. Kd2 e8=D 6. Kd1 De1#
a2) 1. ... e4 2. Sd5 exd5 3. Kb4 d6 4. Ka3 d7 5. Tb4 d8=D 6. Tb2 Da5#
a3) 1. ... e4 2. Sd5 e5 3. Sf6 exf6 4. Te4 f7 5. Kd4 f8=D 6. Ke3 Df2#
b1) 1. ... e4 2. Td2 e5 3. Txc2 e6 4. Kd3 e7 5. Kd2 e8=D 6. Kd1 De1#
b2) 1. ... e4 2. Kb4 e5 3. Ka3 e6 4. Kb2 e7 5. Kxc2 e8=D 6. Kd3 De2#
b3) 1. ... e4 2. Td2 e5 3. Txc2 e6 4. Td2 e7 5. Td4 e8=D 6. Kd3 De2#
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Frank Müller: Das ist nicht wirklich 0.3.1.... (2012-06-13)
Felber, Volker: klären: Könnte 1.1.1... + 1.2.1.1 gemeint sein? (2020-09-20)
comment

Genre: h#
Computer test: Popeye Windows-32Bit v4.51 (100000 KB)
FEN: 8/8/8/8/2kr4/2n5/2P1P3/5K2
Input: hpr, 2012-06-13
Last update: hpr, 2012-06-13 more...
11 - P1243231
Stephan Dietrich
S0482 StrateGems 10-12/2010
P1243231
(7+4) C+
s#8
1. Dc8 Lg1 2. Txg3+ Kh2 3. Tg2+ Kxg2 4. Lf3+ Kxf3 5. Df5+ Kg2 6. Lb8 La7,Lf2 (bel) 7. Tg1+ Lxg1 8. Df1+ Kxf1#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-10-10)
comment
Keywords: Batteriematt diagonal
Genre: s#
FEN: K7/8/8/4B3/6B1/5RpN/6kb/2Q1R2b
Input: Frank Müller, 2012-06-26
Last update: Marcin Banaszek, 2020-10-12 more...
12 - P1249312
Mirko Degenkolbe
Frank Richter

C0205 StrateGems 10-12/2006
2. Spezialpreis
P1249312
(15+6)
ser-h#37
b) -wTa1, -wTc1
SCHRECKE: a)+b): C+, Gustav 4.1d, Brute Force
a) 1.Kh2 2.Kh3 3.Kg4 4.Kh5 5.Kh6 6.Kh7 7.Kg8 8.Kf8 9.Ke8 10.Kd8 11.Kc8 12.Kb8 13.Ka7 14.Kb6 15.Kc5 16.K:d5 17.Kc5 18.Kb6 19.Ka7 20.Kb8 21.Kc8 22.Kd8 23.Ke8 24.Kf8 25.Kg8 26.Kh7 27.Kh6 28.Kh5 29.Kg4 30.Kh3 31.K:g2 32.Kh1 33.g2 34.g1T 35.T:d1 36.T:c1 37.Tg1 D:g1#
b) 1.Kh2 2.Kh3 3.Kg4 4.Kh5 5.Kh6 6.Kh7 7.Kg8 8.Kf8 9.Ke8 10.Kd8 11.Kc8 12.Kb8 13.Ka7 14.Kb6 15.Ka5 16.K:a4 17.K:b5 18.Kc5 19.K:d5 20.K:c6 21.Kd7 22.Ke8 23.Kf8 24.Kg8 25.Kh7 26.Kh6 27.Kh5 28.Kg4 29.Kh3 30.K:g2 31.Kh1 32.g2 33.g1T 34.Tg3 35.T:e3 36.Th3 37.Th2 Se3# (2020-10-29)
comment
Keywords: Series mover
Genre: Fairies
FEN: 8/2p2p2/2P2P2/1P1B1P2/P1p2P2/1p2P1p1/1K2P1N1/RQRN3k
Input: Frank Müller, 2012-09-20
Last update: Frank Müller, 2012-09-20 more...
13 - P1266589
Milomir Babic
S0526 StrateGems 01-03/2012
P1266589
(7+3) C+
s#8
1. Ld3 Lg8 2. Td5+ Kxd5 3. Dd7+ Kc5 4. f8=D+ Kb6 5. Dfd8+ Kc5 6. Dd4+ Kxc6 7. D4d5+ Lxd5 8. Dc7+ Kxc7#
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SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-10-11)
comment

Genre: s#
FEN: K1Q5/P4P1b/B1Nk2p1/6R1/8/8/8/8
Input: Frank Müller, 2013-04-06
Last update: Marcin Banaszek, 2020-10-12 more...
14 - 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...
15 - P1380328
Oleg E. Efrosinin
S0826 StrateGems SG92 10-12/2020
P1380328
(10+9) cooked
s#14
1. e5-e6! h5-h4 2. Lh2-b8 h4-h3 3. Tg2-g3+ Kh1-h2 4. Tg3-f3 Kh2-h1 5. Tf3-f4+ Kh1-h2 6. Tf4-e4 Kh2-h1 7. Te4-e5+ Kh1-h2 8. Te5-d5 Kh2-h1 9. Td5-d6+ Kh1-h2 10. Td6-c6 Kh2-h1 11. Tc6-c7+ Kh1-h2 12. Tc7-b7 Kh2-h1 13. b5-b6 h3-h2 14. Sc4xa5 Ta4xa5#
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Cook: NL 1. Lg3 h4! 2. Td2+ Kg1 3. Lxh4+ Kf1 4. Lg2+ Kg1 5. e6 Kh2 6. b6 Kg1 7. b7 Kh2 8. Ka8 Kg1 9. Td8 Kh2 10. Tb8 Kg1 11. Sxa5 Kh2 12. Lf3 Kh3 13. Lg3 Txa5#
Anton Baumann: Cook: NL (mit Zugumstellungen): 1.Lg3 h4! 2.Td2+ Kg1 3.Lxh4+ Kf1 4.Lg2+ Kg1 5.e6 Kh2 6.b6 Kg1 7.b7 Kh2 8.Ka8 Kg1 9.Td8 Kh2 10.Tb8 Kg1 11.Sxa5 Kh2 12.Lf3 Kh3 13.Lg3 Txa5# (2020-11-17)
comment

Genre: s#
FEN: B4b2/K3p1p1/6R1/pP2P2p/rpN5/pP6/P5RB/7k
Input: Marcin Banaszek, 2020-09-27
Last update: Marcin Banaszek, 2020-11-18 more...
16 - P1380474
Aleksey Oganesyan
M1639 StrateGems SG89 01-03/2020
P1380474
(4+11) C+
#14
1. c5xb6+! Kc7-c8 2. De7-f8+ Td7-d8 3. Df8xf5+ Td8-d7 4. Df5-f8+ Td7-d8 5. Df8xg7 Td8-d7 6. Dg7-g8+ Td7-d8 7. Dg8xg4+ Td8-d7 8. Dg4-g8+ Td7-d8 9. Dg8xh7 Td8-d7 10. Dh7-h8+ Td7-d8 11. Dh8xh3+ Td8-d7 12. Dh3-f5 c6-c5 13. Df5xc5+ Td7-c7 14. Dc5xc7#
13. ... Kc8-d8 14. Dc5-f8#
play all play one stop play next play all
more ...
comment

Genre: n#
Computer test: Gustav 4.1d, Brute Force
FEN: K7/1pkrQ1pp/ppp5/P1P2p2/6p1/7n/8/8
Input: Marcin Banaszek, 2020-09-30
Last update: James Malcom, 2020-09-30 more...
17 - P1380485
Vasily Malyuk
M1643 StrateGems SG90 04-06/2020
P1380485
(4+6) C+
#3
* 1. ... Sf6-e8 2. Tg7xd7+ Kxd7,Lxd7 3. De2-e7#
* 1. ... Sf6-h7 2. Tg7xg8+ Sh7-f8 3. Tg8xf8#

1. De2-a6! droht 2. Da6-c8#
1. ... Lc6-b7 2. Da6xf6+ Td7-e7 3. Df6xe7#
2. ... Kd8-e8 3. Tg7xg8#
1. ... Kd8-e8 2. Da6-c8+ Td7-d8 3. Tg7-e7#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (also) (2020-09-30)
comment

Genre: 3#
Computer test: Popeye 4.83
FEN: 1K1k2r1/2pr2R1/2b2nN1/8/8/8/4Q3/8
Input: Marcin Banaszek, 2020-09-30
Last update: James Malcom, 2020-10-01 more...
18 - P1380493
Bosko Miloseski
M1651 StrateGems SG90 04-06/2020
P1380493
(6+8) C+
#14
1. Ta8xa3+! Ka1-b1 2. Sf2-d1 e5xd4 3. Ta3-a4 e3-e2 4. Ta4xd4 e2xd1=D 5. Lb3xd1 Ka1,Ka2 6. Td4-a4+ Kb1 7. Ta4-a8 d5-d4 8. Kb8-a7 Ka1,Ka2 9. Ka7-b6+ Kb1 10. Kb6-a5 Ka1,Ka2 11. Ka5-b4+ Kb1 12. Kb4-a3 Kb1-a1 13. Ka3-b3+ Ka1-b1 14. Ld1-c2#
play all play one stop play next play all
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comment
Keywords: Capture key, Checking key
Genre: n#
Computer test: Gustav 4.1d, Brute Force
FEN: RK6/8/8/3pp3/3P4/pB1Pp3/1p1p1N2/k1b5
Input: Marcin Banaszek, 2020-09-30
Last update: Alfred Pfeiffer, 2020-10-08 more...
19 - P1380509
Yuri Gorbatenko
M1658 StrateGems SG91 07-09/2020
P1380509
(9+12) C+
#3
1. Tf6-d6! droht 2. d2-d3+ A c4xd3 3. Td6xd4# B
1. ... Ld7-e6 2. Td6xd4+ B Ke4xd4 3. De2xe3# C
1. ... Sh4-f3 2. De2xe3+ C d4xe3 3. d2-d3# A
1. ... Ta4xb4 2. a7-a8=D+ Ld7-c6 3. Da8xc6#
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Iwan Soroka: Keywords: White moves cycle AB-BC-CA (2020-10-01)
comment
Keywords: white move cycle
Genre: 3#
Computer test: Popeye 4.83
FEN: 8/P1Nbr3/5R2/1p3p2/rRppkP1n/p3p1P1/K2PQ1p1/8
Input: Marcin Banaszek, 2020-10-01
Last update: Marcin Banaszek, 2020-10-05 more...
20 - P1380513
Mykhailo Marandyuk
M1662 StrateGems SG91 07-09/2020
P1380513
(8+13) C+
#4
1. Sg5-f7! droht 2. Dd2-b4+ A Sd3xb4 3. Sf7-e5+ B Kc4-c3 4. Ta5-c5# C
1. ... c6-c5 2. Sf7-e5+ B Sd3xe5 3. Ta5xc5+ C Kc4xc5 4. Dd2-b4# A
1. ... Ld7-e6 2. Ta5-c5+ C Sd3xc5 3. Dd2-b4+ A Kc4-d3 4. Sf7-e5# B
3. ... Kc4-d5 4. La8xc6#
1. ... Tc1-c3 2. Dd2xd3+ Tc3xd3 3. Sf7-e5+ Kc4-c3 4. Ta5-c5#
1. ... Sd3-c5 2. Ta5xc5+ Kc4xc5 3. Dd2-a5+ Kc5-c4 4. Sf7-e5#
2. ... Kc4xc5 3. Dd2-a5+ Kc5-c4 4. Sf1-d2#
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Iwan Soroka: Keywords: White moves cycle ABC-BCA-CAB (2020-10-01)
comment
Keywords: white move cycle
Genre: n#
Computer test: Popeye 4.83
FEN: B7/p1Kb4/2p5/R4nN1/2kpp3/Pp1n4/1p1Q2Rr/1qr2N2
Input: Marcin Banaszek, 2020-10-01
Last update: Marcin Banaszek, 2020-10-05 more...
21 - P1380522
Vaclav Kotesovec
FB1893 StrateGems 90 2020
P1380522
(5+1) C+
h#9
Alphabetschach
3.1.1...
wDU=Grashüpfer
1) 1. Kb5 Gc6 2. Kc4 Gc3 3. Kd5 Gf3 4. Ke6 Gf4 5. Kf6 Ge4 6. Kg5 Ke2 7. Kh4 Kf2 8. Kh3 Gg2 9. Kh2 Gg3#
2) 1. Kb4 Gc4 2. Kb3 Gc8 3. Kc2 Gf4 4. Kd1 Ge4 5. Ke1 Kf3 6. Kf1 Ge6 7. Kg1 Gf5 8. Kh2 Gg3+ 9. Kh3 Gg4#
3) 1. Kb6 Ga5 2. Kc6 Gd7 3. Kd5 Gd4 4. Ke6 Gf5 5. Kf7 Gf6+ 6. Kg6 Ge4+ 7. Kh6 Kf4 8. Kh5 Gg4 9. Kh4 Gg5#
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Triple exact echoes with shift [0,1].

Solver's comment: "Fantastic ABC problem with three mates." (Wilfried Seehofer)
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comment
Keywords: Chameleonecho, Aristocrat, Rex solus (s), Alphabetic Chess, just one species, Miniature
Pieces: du = Grasshopper (G)
Genre: Fairies
Computer test: Popeye 4.61
FEN: 8/2*2Q5/8/k3*2Q3/*2Q7/4K3/8/4*2Q3
Input: Vaclav Kotesovec, 2020-10-01
Last update: Alfred Pfeiffer, 2020-10-16 more...
22 - P1381887
Luke Neyndorff
T0758 StrateGems 56 2011
P1381887
(4+3) C+
#2
1. Tf7! droht 2. Dxg7#
1. ... Dxg4,Dg5,Dg6 2. Texf8#
1. ... Kxf7 2. De6#
play all play one stop play next play all
more ...
comment
Keywords: fluchtfeldgebender Opferschlüssel, Aristocrat
Genre: 2#
Computer test: Popeye 4.61
FEN: 4Rrk1/6q1/8/8/6Q1/5R2/8/7K
Input: Rainer Staudte, 2020-11-14
Last update: Alfred Pfeiffer, 2020-11-16 more...
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