Die Schwalbe

14 problem(s) found in 4956 milliseconds (displaying 14 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND NOT K='Linienöffnung' AND A='Oganesjan, Alexej S.'] [download as LaTeX]

1 - P1140094
Aleksey Oganesyan
141 Smena (Moskwa) 11/1999
P1140094
(3+4)
#11
1. Lb5 Kc1 2. Ld2+ Kb1 3. Ke2 Kc2 4. La4+ Kb1 5. Lb4 Kc1 6. La3 Kb1 7. Ld6 Kc1 8. Lf4+ Kb1 9. Ke3 Kc1 10. Kd3+ Kb1 11. Lc2#
play all play one stop play next play all
L12K
SCHRECKE: Dual: 3. Ke3 (2023-09-25)
comment
Keywords: Miniature Collection (0337061)
Genre: n#
FEN: 8/8/B7/8/1B6/3K4/pp6/bk6
Input: Zuncke/Bruder, 2010-09-11
Last update: Rainer Staudte, 2013-09-03 more...
2 - P1286743
Aleksey Oganesyan
F011 SuperProblem (Website) 05/05/2014
4. Lob
P1286743
(11+10) cooked
s#17
1. Le1+ Kxe1 2. Td1+ Kxd1 3. Td3+ Ke1 4. Td1+ Kxd1 5. Le2+ Ke1 6. Db1+ Kd2 7. Shf1+ Kc3 8. Se4+ fxe4 9. e8=S c6 10. Sxd6 cxd5 11. Sxe4+ dxe4 12. Ka5 a6 13. Ka4 a5 14. Ka3 a4 15. Ka2 a3 16. Ka1 a2 17. Db3+ Kxb3#
play all play one stop play next play all
Cook: NL
1. Lxe3+ Ke1 2. Txd4 cxd4 3. Lxf2+ Kd1 4. Db1+ Kd2 5. e8=L f4 6. Lc6 fxg3 7. Lxg3 d3,e4 8. Lf2,Sf3+ e4 9. Sf3+,Lf2 exf3 10. Ka5 a6 11. Ta2+ Kc3 12. Db2+ Kxc4 13. Lg1 f2 14. Ta4+ Kc5 15. Lh2 d2 16. Lxa6 d1=D 17. Db6+ cxb6#
6. ... d3 7. Ta2+ Kc3 8. Se4+ Kxc4 9. Ka5 f3,a6 10. Sg4 a6,f3 11. Sd2+ Kc3 12. Lxd3 e4 13. Lxa6 e3 14. Db3+ Kd4 15. Ta4+ Kc5 16. Db6+ cxb6#
6. ... f3 7. Ld3 e4 8. Lxe4 d3 9. Ka5 a6 10. Ta4 Kc3 11. Lxd3 Kd2 12. Sg4 Kc3 13. Le1+ Kd4 14. c5+ Kxc5 15. Lxa6 f2 16. Db6+ cxb6#
6. ... e4 7. Le3+ dxe3 8. Ta2+ Kc3 9. Se2+ Kxc4 10. Ta4+ Kc5 11. Sxf4 e2 12. Lxe2 e3 13. Ka5 a6 14. Lxa6 e2 15. Db6+ cxb6#
7. ... fxe3 8. Ta2+ Kc3 9. Se2+ Kxc4 10. Ta4+ Kc5 11. Sxd4 e2 12. Lxe2 e3 13. Ka5 a6 14. Lxa6 e2 15. Db6+ cxb6#
5. ... c6 6. Sxf5 c5 7. Ld3 e4 8. Sf3+ exf3 9. Ta2+ Kc3 10. Ka5 a6 11. Ka4 a5 12. Ka3 a4 13. Lf1 d3 14. Lxa4 Kxc4! 15. Se7 Kc3 16. Db4+ cxb4#
6. ... cxd5 7. cxd5 d3 8. Lxd3 e4 9. Sf3+ exf3 10. Ka5 a6 11. Ta1 Kc3 12. La4 Kd2 13. Kb4 a5+ 14. Ka3 Kc3 15. Lf1 Kd2 16. Ta2+ Kc3 17. Db4+ axb4#
7. ... e4 8. Sf3+ exf3 9. La4 d3 10. Ka5 a6 11. Ta1 Kc3 12. Lxd3 Kd2 13. Kb4 a5+ 14. Ka3 Kc3 15. Lf1 Kd2 16. Ta2+ Kc3 17. Db4+ axb4#
6. ... d3,e4 7. Lxc6,Sf3+ e4,exf3 8. Sf3+,Lxc6 exf3,d3 9. Ka5 a6 10. c5 dxc5 11. La4 c4 12. Sd4 c3 13. Ta2+ c2 14. Kb4 a5+ 15. Ka3 Kc3 16. Db4+ axb4#
5. ... d3 6. Ta2+ Kc3 7. Se4+ Kxc4 8. Lc6 fxe4 9. Db2 e3 10. Ta4+ Kc5 11. Lxd3 exf2 12. Sf1 e4 13. Le2 e3 14. Ka5 a6 15. Lxa6 e2 16. Db6+ cxb6#
11. ... e4 12. Le2 exf2 13. Sf1 e3 14. Ka5 a6 15. Lxa6 e2 16. Db6+ cxb6#
8. ... f4 9. Sg4 f3 10. Ka5 a6 11. Sd2+ Kc3 12. Lxd3 e4 13. Lxa6 e3 14. Db3+ Kd4 15. Ta4+ Kc5 16. Db6+ cxb6#
7. ... fxe4 8. Db2+ Kxc4 9. Lc6 e3 10. Ta4+ Kc5 11. Lxd3 exf2 12. Sf1 e4 13. Le2 e3 14. Ka5 a6 15. Lxa6 e2 16. Db6+ cxb6#
11. ... e4 12. Le2 exf2 13. Sf1 e3 14. Ka5 a6 15. Lxa6 e2 16. Db6+ cxb6#
5. ... c5 6. Le3+ dxe3 7. Ta2+ Kc3 8. Sxf5 e2 9. Lxe2 e4 10. Ka5 e3,a6 11. Sg4 a6,e3 12. Ka4 a5 13. Ka3 a4 14. Se5 dxe5 15. Lxa4 e4 16. Db4+ cxb4#
8. ... e4 9. Sg4 e2 10. Lxe2 e3 11. Ka5 a6 12. Ka4 a5 13. Ka3 a4 14. Se5 dxe5 15. Lxa4 e4 16. Db4+ cxb4#
5. ... e4 6. Le3+ dxe3 7. Ta2+ Kc3 8. Se2+ Kxc4 9. Lc6 Kc5,f4 10. Ta4 f4,Kc5 11. Sxf4 e2 12. Lxe2 e3 13. Ka5 a6 14. Lxa6 e2 15. Db6+ cxb6#
2. ... exd4 3. Ld2+ Kd1 4. Sxf5 c6 5. La5 d3 6. Sf3 d2 7. Da1+ Kc2 8. Ta2+ Kb3 9. Txd2 cxd5 10. S3d4+ cxd4 11. cxd5 d3 12. e8=D Kc4 13. Da3 Kxd5 14. Kb5 a6+ 15. Ka4 Kc4 16. Db5+ axb5#
6. ... cxd5 7. Da1+ Kc2 8. S3d4+ cxd4 9. cxd5 d2 10. Ta2+ Kb3 11. Txd2 d3 12. e8=D Kc4 13. Da3 Kxd5 14. Kb5 a6+ 15. Ka4 Kc4 16. Db5+ axb5#
5. ... cxd5 6. cxd5 d3 7. Da1+ Kc2 8. Sd4+ cxd4 9. e8=D d2 10. Ta2+ Kb3 11. Txd2 d3 12. Sf3 Kc4 13. Da3 Kxd5 14. Kb5 a6+ 15. Ka4 Kc4 16. Db5+ axb5#
6. ... c4 7. Sxd4 c3 8. Db1+ Kd2 9. Se2 Ke3 10. e8=D+ Kd2 11. Dc1+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
4. ... d3 5. e8=L c6 6. Ta2 cxd5 7. cxd5 c4 8. Ka5 c3 9. La4+ c2 10. Db1+ Kxd2 11. Kb4 a6! 12. Kb3 a5 13. Ka3 Kc3 14. Db4+ axb4#
8. ... a6 9. Lc6 c3 10. La4+ c2 11. Kb4 Kxd2 12. Db1 a5+ 13. Ka3 Kc3 14. Db4+ axb4#
11. ... a5+ 12. Ka3 Kxd2 13. Db1 Kc3 14. Db4+ axb4#
2. ... c6 3. Ld2+ Kd1 4. Tf4 exf4 5. Db1+ Kxd2 6. Sxf5 f3 7. Ta2+ Kc3 8. e8=L cxd5 9. cxd5 c4 10. Ka5 a6 11. Ta3+ Kd2 12. La4 c3 13. Ta2+ c2 14. Kb4 a5+ 15. Ka3 Kc3 16. Db4+ axb4#
6. ... cxd5 7. Ta2+ Kc3 8. cxd5 f3,c4 9. e8=L c4,f3 10. Ka5 a6 11. Ta3+ Kd2 12. La4 c3 13. Ta2+ c2 14. Kb4 a5+ 15. Ka3 Kc3 16. Db4+ axb4#
4. ... cxd5 5. cxd5 c4 6. Txf5 c3 7. Lxc3 e4 8. Da1+ Kc2 9. e8=D e3 10. Se4 e2 11. Txf2 Kd3 12. Txe2 Kc4 13. La5 Kxd5 14. Kb5 a6+ 15. Ka4 Kc4 16. Db5+ axb5#
6. ... e4 7. Lc3 e3 8. Da1+ Kc2 9. Se2 Kd3 10. e8=D Kc2 11. Dc1+ Kd3 12. La5+ c3 13. Kb5 a6+ 14. Ka4 Kc4 15. Db5+ axb5#
5. ... exf4 6. Sxf5 c4 7. Db1+ Kxd2 8. Ta2+ Kc3 9. e8=L f3 10. Ka5 a6 11. Ta3+ Kd2 12. La4 c3 13. Ta2+ c2 14. Kb4 a5+ 15. Ka3 Kc3 16. Db4+ axb4#
6. ... f3 7. La5 c4 8. Da1+ Kc2 9. e8=D c3 10. Kb5 Kd2 11. Sxf3+ Kc2 12. Ka4 a6 13. Ld3+ Kxd3 14. Dd1+ Kc4 15. Db5+ axb5#
10. ... a6+ 11. Ka4 Kd2 12. Sxf3+ Kc2 13. Ld3+ Kxd3 14. Dd1+ Kc4 15. Db5+ axb5#
5. ... e4 6. Lc3 e3,c4 7. Se2 c4,e3 8. Da1+ Kc2 9. e8=D Kd3 10. Txf5 Kc2 11. Dc1+ Kd3 12. La5+ c3 13. Kb5 a6+ 14. Ka4 Kc4 15. Db5+ axb5#
4. ... e4 5. Se2 cxd5 6. cxd5 c4 7. Lc3 e3 8. Da1+ Kc2 9. e8=D Kd3 10. Txf5 Kc2 11. Dc1+ Kd3 12. La5+ c3 13. Kb5 a6+ 14. Ka4 Kc4 15. Db5+ axb5#
6. ... e3 7. La5 c4 8. e8=D c3 9. Db1+ Kd2 10. Tf3 f4 11. Dc1+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
5. ... e3 6. La5 cxd5 7. cxd5 c4 8. e8=D c3 9. Db1+ Kd2 10. Tf3 f4 11. Dc1+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
2. ... f4 3. Txf4 Kd1 4. Ld2 exf4 5. Se2 c6 6. Sf3 cxd5 7. Da1+ Kc2 8. cxd5 c4 9. La5 c3 10. e8=D Kd3 11. Kb5 Kc2 12. Dc1+ Kd3 13. Kb4 a6 14. Ka4 Kc4 15. Db5+ axb5#
11. ... a6+ 12. Kb4 Kc2 13. Dc1+ Kd3 14. Ka4 Kc4 15. Db5+ axb5#
5. ... f3 6. Sxf3 c6 7. Da1+ Kc2 8. La5 cxd5 9. cxd5 c4 10. e8=D c3 11. Dc1+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
4. ... c6 5. Se2 e4 6. Txe4 cxd5 7. cxd5 c4 8. La5 c3 9. Db1+ Kd2 10. Te3 Kxe3 11. e8=D+ Kd2 12. Dc1+ Kd3 13. Kb5 a6+ 14. Ka4 Kc4 15. Db5+ axb5#
5. ... cxd5 6. cxd5 c4 7. Txc4 e4 8. La5 e3 9. Kb5 a6+ 10. Kb4 Ke1 11. e8=D Kd1 12. Da1+ Kd2 13. Kb3+ Kd3 14. Ka4+ Kxc4 15. Db5+ axb5#
6. ... e4 7. Txe4 c4 8. La5 c3 9. Db1+ Kd2 10. Te3 Kxe3 11. e8=D+ Kd2 12. Dc1+ Kd3 13. Kb5 a6+ 14. Ka4 Kc4 15. Db5+ axb5#
6. ... exf4 7. Sf3 c4 8. Da1+ Kc2 9. Lc3 Kd3 10. e8=D Kc2 11. Dc1+ Kd3 12. La5+ c3 13. Kb5 a6+ 14. Ka4 Kc4 15. Db5+ axb5#
4. ... e4 5. Txe4 c6 6. e8=D cxd5 7. cxd5 c4 8. La5 c3 9. Da1+ Kc2 10. Sf5 Kd2 11. Te2+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
9. ... Kd2 10. Sf5 Kc2 11. Te2+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
2. ... e4 3. Txe4 Kd1 4. Da1+ Kc2 5. Sxf5 c6 6. e8=D cxd5 7. cxd5 c4 8. Lg5 c3 9. Ld8 Kd2 10. La5 Kc2 11. Te2+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
3. ... fxe4 4. e8=L c6 5. Dc2 cxd5 6. cxd5 c4 7. La4 c3 8. Ka5 a6 9. Lh6 e3 10. Db1+ Kd2 11. Ta2+ c2 12. Kb4 a5+ 13. Ka3 Kc3 14. Db4+ axb4#
4. ... Kd1 5. Da1+ Kc2 6. Ta2+ Kb3 7. Lc6 Kb4 8. Db1+ Kc3 9. Ka5 a6 10. Ka4 a5 11. Ka3 a4 12. Lxa4 c6 13. Db4+ cxb4#
3. ... f4 4. Lxf4+ Kd1 5. Sf5 c6 6. Ld2 cxd5 7. cxd5 c4 8. La5 c3 9. Da1+ Kc2 10. e8=D Kd2 11. Te2+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
9. ... Kd2 10. e8=D Kc2 11. Te2+ Kd3 12. Kb5 a6+ 13. Ka4 Kc4 14. Db5+ axb5#
3. ... c6 4. Sxf5 Kd1,cxd5 5. Ld2 cxd5,Kd1 6. cxd5 c4 7. La5 c3 8. Da1+ Kc2 9. e8=D Kd2 10. Te2+ Kd3 11. Kb5 a6+ 12. Ka4 Kc4 13. Db5+ axb5#
8. ... Kd2 9. e8=D Kc2 10. Te2+ Kd3 11. Kb5 a6+ 12. Ka4 Kc4 13. Db5+ axb5#
Olaf Jenkner: Die Stellung nach 1. Lxe3+ Ke1 2. Txd4 lief 42 Tage. (2015-08-17)
Alexej Oganesjan: Perhaps Ra3-b3 eliminates this cooks... (2022-07-19)
comment

Genre: s#
FEN: 8/p1p1P3/K2p4/2pPpp2/2Pb4/R2Rp1N1/1Q1B1p1N/3k1B2
Input: Frank Müller, 2014-08-03
Last update: Marcin Banaszek, 2019-03-02 more...
3 - P1289230
Aleksey Oganesyan
16083 Die Schwalbe (269) 10/2014
P1289230
(6+4) C+
s#11
1. Kf2! c4 2. Ke3 d6 3. Le4 d5 4. Kd4 dxe4 5. Ke3 exf3 6. Kf2 fxg2 7. Kg1 Kh3 8. Dg5 h4 9. Dh5 Kg3 10. Df5 h3 11. De4 h2#
play all play one stop play next play all
SCHRECKE: C+, Gustav 4.2a, Brute Force (2022-03-21)
comment

Genre: s#
FEN: 6Q1/3p4/8/2pB3p/7k/2P2P2/6P1/6K1
Input: Frank Müller, 2014-10-15
Last update: Marcin Banaszek, 2022-03-25 more...
4 - P1294119
Aleksey Oganesyan
436 KoBulChess 18/08/2014
2. Lob
P1294119
(9+8) C+
s#12
1. Lb6+? Td4? 2. Tg5+ Sg3 3. De2 usw. wie in der Lösung, aber
1. ... Sd4!

1. Tg5+! Sg3 2. Lb6+ Td4 3. De2! gxh5 4. Kd2 g6,h4 5. Kc3 h4,g6 6. Kb4 h3 7. a6! bxa6 8. Ka5 axb5 9. Kb4 bxc4 10. Kc3 cxd3 11. Kd2 dxe2+ 12. Ke1 Kg2#
play all play one stop play next play all
Anton Baumann: C+ Gustav 4.1d (2021-02-18)
comment
Keywords: Pac-Man
Genre: s#
FEN: 3B4/1p1r2p1/6p1/PP2R2P/2P1Q3/3P4/4n2p/4K1kr
Input: Rainer Staudte, 2015-01-05
Last update: James Malcom, 2021-02-18 more...
5 - P1307629
Aleksey Oganesyan
Shakhmatnaya Kompozitsiya (125) 09-10/2015
Moskauer Turnier 2015
2. Lob
P1307629
(7+3) cooked
s#24
1. Df5+ Kh4 2. Dg5+ Kxh3 3. Tf3+ Kh2 4. Dg3+ Kh1 5. Dh3+ Kg1 6. Tg3+ Kf2 7. Dg2+ Ke1 8. Te3+ Kd1 9. De2+ Kc1 10. Tc3+ Kb1 11. Dc2+ Ka1 12. Dc1+ Ka2 13. Tc2+ Kb3 14. Db2+ Ka4 15. Tc4+ Ka5 16. Db4+ Ka6 17. Tc6+ Ka7 18. Db6+ Ka8 19. Da6+ Kb8 20. Tb6+ Kc7 21. Db7+ Kd8 22. Td6+ Ke8 23. Dd7+ Kf8 24. Tf6+ Sxf6#
play all play one stop play next play all
Cook: Nebenlösung in 16 Zügen:
1. Df5+ Kh4 2. Dg5+ Kxh3 3. Tf3+ Kh2 4. Dg3+ Kh1 5. Dh3+ Kg1 6. Df1+ Kh2 7. Tf2+ Kg3 8. Tg2+ Kh4 9. Df2+ Kh3,Kh5 10. Df3+ Kh4 11. Tg4+ Kh5 12. Td4+ Kg5 13. Dg4+ Kf6 14. Td6+ Ke7 15. Dd7+ Kf8 16. Tf6+ Sxf6#
8. ... Kh3 9. Df3+ Kh4 10. Tg4+ Kh5 11. Td4+ Kg5 12. Dg4+ Kf6 13. Td6+ Ke7 14. Dd7+ Kf8 15. Tf6+ Sxf6#
Alexej Oganesjan: Possible fix - https://pdb.dieschwalbe.de/P1388001 (2020) (2022-03-29)
comment
Keywords: Königslenkung, Pure Round Trip (DT)
Genre: s#
FEN: 6nN/3Q3K/5RPP/4p2k/8/7N/8/8
Input: Frank Müller, 2015-08-14
Last update: Olaf Jenkner, 2015-08-16 more...
6 - P1378233
Aleksey Oganesyan
FIDE World Cup 7th 06/2019
Spezialpreis
P1378233
(13+6) C+
hs#7
2.1...
1) 1. Le6! a5! 2. bxa5 f5 3. a6 fxg4 4. a7 gxh3 5. a8=D h2 6. De4 h1=L 7. De1 Lg2#
2) 1. Lc6! f5! 2. gxf5 a5 3. f6 axb4 4. f7 b3 5. f8=T b2 6. Te8 b1=S 7. Te1 Sd2#
play all play one stop play next play all
Judge Petko Petkov
Anton Baumann: C+ Gustav 4.1d (2020-11-19)
comment

Genre: Fairies
FEN: 1N1B4/3B4/p2k1p2/8/1P1P2PP/p1p2p1P/P1P2P2/5KN1
Input: Marcin Banaszek, 2020-07-23
Last update: Marcin Banaszek, 2020-11-24 more...
7 - P1380474
Aleksey Oganesyan
M1639 StrateGems SG89 01-03/2020
Lob
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
Judge Mike Prcic 01/2020:
The Grab Theme has been extended perhaps too far, but the try 1. axb6? saves the day.
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: Marcin Banaszek, 2021-01-03 more...
8 - P1383289
Aleksey Oganesyan
18200 Die Schwalbe 303 06/2020
P1383289
(11+10) C+
s#10
1. Tde2+! fxe2 2. Dc8+ Ke7 3. Dc7+ Kf6! 4. Dxf4+ Ke7 5. Dc7+ Ke8 6. Txe2+ Se6 7. Sg5 droht 8. De7+ Kxe7#
7. ... Kf8! 8. De7+ Kg8 9. Sf3 Df1,~ 10. Df7+ Kxf7#
1. ... Se6 2. Txe6+ Kf8 3. Sd8 Da3! 4. Dxf4+ Kg8 5. Txb6+ Dxb3 6. Txb3 g5 7. Dxg5+ Kf8 8. Dg7+ Ke8 9. Df7+ Kxd8 10. Dd7+ Kxd7#
play all play one stop play next play all
SCHRECKE: 1.Tde2+! f:e2 2.Dc8+ Ke7 3.Dc7+ Kf6! 4.D:f4+ Ke7 5.Dc7+ Ke8 6.T:e2+ Se6 7.Sg5 (8.De7+ K:e7#) Kf8! 8.De7+ Kg8 9.Sf3 Df1,~ 10.Df7+ K:f7#
1. ... Se6 2.T:e6+ Kf8 3.Sd8 Da3! 4.D:f4+ Kg8 5.T:b6+ D:b3 6.T:b3 g5 7.D:g5+ Kf8 8.Dg7+ Ke8 9.Df7+ K:d8 10.Dd7+ K:d7# (2020-12-25)
Anton Baumann: C+ Gustav 4.1d (2021-01-21)
comment

Genre: s#
Computer test: Gustav 4.1d
FEN: 1K2kn1r/PPQ2N1p/1p4pP/8/P4p2/1Bp2p2/2PR1R2/q7
Input: Gerd Wilts, 2020-12-23
Last update: Marcin Banaszek, 2021-01-24 more...
9 - P1387072
Aleksey Oganesyan

JT W. Tschepischny-80 2014
1. Preis
P1387072
(2+10) C+
h#6
1. Ld6 Kb2 2. Dd8 Kc3 3. Sg8 Kd4 4. Th8 Kxd5 5. Ke8 Ke6 6. Lf8 Lg6#
play all play one stop play next play all
5 schwarze Steine ziehen auf ihre PAS-Stellung, 6 Steine zeigt die P1387384
SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-03-06)
comment
Keywords: Liniensperrung, Check Protection, Selfblock, Minimal (L), homecoming matrix
Genre: h#
FEN: 8/2q1k3/7n/3p3r/6pp/b3p1p1/2B5/1K6
Input: Gunter Jordan, 2021-03-06
Last update: Gunter Jordan, 2021-03-15 more...
10 - P1388001
Aleksey Oganesyan
F21 Shakhmatnaya Kompozitsiya 154 12/2020
P1388001
(8+4)
s#24
1. Df5+! Kh4 2. Dg5+ Kxh3 3. Tf3+ Kh2 4. Dg3+ Kh1 5. Dh3+ Kg1 6. Tg3+ Kf2 7. Dg2+ Ke1 8. Te3+ Kd1 9. De2+ Kc1 10. Tc3+ Kb1 11. Dc2+ Ka1 12. Dc1+ Ka2 13. Tc2+ Kb3 14. Db2+ Ka4 15. Tc4+ Ka5 16. Db4+ Ka6 17. Txc6+ Ka7 18. Db6+ Ka8 19. Da6+ Kb8 20. Tb6+ Kc7 21. Db7+ Kd8 22. Td6+ Ke8 23. Dd7+ Kf8 24. Tf6+ Sxf6#
play all play one stop play next play all
Alexej Oganesjan: It's possible fix of cooked P1307629 (2015) (2022-03-29)
comment
Keywords: Checking key, Perpetual check
Genre: s#
FEN: 6nN/3Q3K/2p2RPP/4p2k/3P4/7N/8/8
Input: Marcin Banaszek, 2021-03-31
Last update: James Malcom, 2021-09-14 more...
11 - P1398009
Aleksey Oganesyan
1055 The Ural's Problemist 68 2011
P1398009
(4+3)
#3v
1. Ke3? droht 2. Sd3# 2. Sg2#
1. ... f1=S+!

1. Ke4! f1=D,~ 2. Sd3+ Kxe2 3. Sc3#
play all play one stop play next play all
SCHRECKE: C+, popeye 4.87 (2022-01-07)
comment

FEN: 8/8/8/8/3K1N2/8/3pBp2/3Nk3
Input: Rainer Staudte, 2022-01-07
Last update: Rainer Staudte, 2022-01-07 more...
12 - P1398010
Aleksey Oganesyan
? 2012
Lob
Aljona Koschakina - 20
P1398010
(6+1) C+
#3
1. Sgh4! Kg5,Kh5,Kf4 2. Sf3+ Kf6 3. Th6#
2. ... Kf4,Kg4 3. Th4#
play all play one stop play next play all
more ...
comment
Keywords: Miniature, Flight-giving key, Rex solus (s)
Genre: 3#
Computer test: popeye 4.87
FEN: 8/8/4B3/5N2/6k1/8/4P1N1/4K2R
Input: Rainer Staudte, 2022-01-07
Last update: Alfred Pfeiffer, 2022-01-07 more...
13 - P1403693
Aleksey Oganesyan
10059 Seven Chess Notes 199 08/2022
P1403693
(4+2)
#3
1. e7! d2 2. Ld7 ... 3. e8=D#,e8=T#
1. ... dxc2 2. Lc6 ... 3. e8=D#,e8=T#
1. ... Kc8 2. La4,Lb5,Lc6 ... 3. e8=D#,e8=T#
play all play one stop play next play all
Henrik Juel: seven threats, 2.L~, the trial after 1... Kc8, and the promotion mate dual (2022-08-17)
comment

Genre: 3#
FEN: 1k2B3/8/1K2P3/8/8/3p4/2P5/8
Input: Rainer Staudte, 2022-08-17
Last update: Rainer Staudte, 2022-08-17 more...
14 - P1408263
Aleksey Oganesyan
SuperProblem (Website) 15/02/2017
10.-12. Platz
181. Thematurnier
P1408263
(4+3)
#3
1. Tc4! droht 2. Txh4#
1. ... Ld4 2. Txd4 h3 3. Th4#
1. ... Lg3 2. Txh4+ Lxh4 3. g4#
1. ... Lf4 2. Txf4 h3 3. Th4#
play all play one stop play next play all
Henrik Juel: C+ Popeye 4.61 (2023-03-15)
comment
Keywords: Miniature
Genre: 3#
FEN: 8/8/8/4bKBk/7p/8/2R3P1/8
Input: Rainer Staudte, 2023-03-15
Last update: Rainer Staudte, 2023-03-15 more...
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