Selfmates - SuperProblem 2024 Informal Tourney - Самоматы


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Entries should be sent to director of the section not later than 1st December 2024
Note! Not more than 3 originals per one author, including joint works, may be published; versions - unlimited.
Задачи направляйте директору раздела не позднее 1 декабря 2024 года
Важно! Могут быть опубликованы не более трех задач одного автора, включая совместные произведения; версии - неограниченно.

F363
Daniele Gatti
SuperProblem, 14-01-2024
5B2/4BB2/3BB3/q1BB4/8/8/6P1/5K1k
s#18(9+2)
F364
Daniele Gatti
SuperProblem, 14-01-2024
8/8/4k1K1/8/8/6Q1/4q3/Q4QQ1
s#8(5+2)
F365Cooked
Bosko Miloseski
SuperProblem, 19-01-2024
8/2Q5/pr1P1P2/k3K3/r7/8/2BPP3/1R2B3
s#21(9+4)
F363 (solution | решение)

Daniele Gatti (Italy)5B2/4BB2/3BB3/q1BB4/8/8/6P1/5K1k

1.g3+! Kh2 2.g4+ Kh3 3.g5+ Kh4 4.g6+ Kh5 5.g7+ Kh6 6.Bf4+ Kh7 7.Bg6+ Kxg6 8.g8Q+ Kh5 9.Qh8+ Kg6 10.Bf7+ Kf5 11.Qe5+ Kg4 12.Bde6+ Kf3 13.Qe2+ Kxf4 14.Bh6+ Kg3 15.Bf2+ Kh2 16.Be1+ Kh1 17.Bd5+ Qxd5 18.Qg2+ Qxg2#

Excelsior - Festina Lente - Black King march with Switchback - All white Bishops actively participate to solution (author).

F364 (solution | решение)

Daniele Gatti (Italy)8/8/4k1K1/8/8/6Q1/4q3/Q4QQ1

1.Qf5+! Ke7 2.Qc7+ Ke8 3.Qa4+ Qb5 4.Qe6+ Kf8 5.Qd8+ Qe8+ 6.Kh7 Qxd8 7.Qf6+ Qxf6 8.Qg7+ Qxg7#
F365 (solution | решение)

Bosko Miloseski (Hong Kong)8/2Q5/pr1P1P2/k3K3/r7/8/2BPP3/1R2B3

1.Bd2-d3 Ta4-b4 2.Ke5-e6 Ka5-b5 3.Dc7-c4 Kb5-a5 4.Dc4-c5 Tb6-b5 5.Dc5-c7 Tb5-b6 6.Be2-e4 Ka5-b5 7.Dc7-c4 Kb5-a5 8.Dc4-c5 Tb6-b5 9.Dc5-c7 Tb5-b6 10.Be4-e5 Ka5-b5 11.Dc7-c4 Kb5-a5 12.Dc4-c5 Tb6-b5 13.Dc5-c7 Tb5-b6 14.Ke6-f5 Ka5-b5 15.Dc7-c4 Kb5-a5 16.Dc4-c5 Tb6-b5 17.Dc5-c7 Tb5-b6 18.Be5-e6 Ka5-b5 19.Dc7-c4 Kb5-a5 20.Dc4-c5 Tb6-b5 21.Kf5-e5 Rb5xc5#

Cooked: 1.d3 Rb4 2.Ke6 Kb5 3.Rxb4+ Ka5 4.Rb3+ Ka4 5.Rxb6+ Ka3 6.Ba5 Ka2 7.Kd5 Ka3 8.Kc4 Ka2 9.Qb8 Ka1,Ka3 10.Rb1 Ka2 11.Kc3 Ka3 12.Kd2 Ka2 13.Rb1 Ka3 14.Bc3 Ka2 15.Bb2 a5 16.Kc1 a4 17.Qb4 a3 18.Qd2 axb2#
F366
Daniele Gatti
SuperProblem, 19-01-2024
5N1K/r2N4/5N1k/2N5/8/2N1N1N1/7N/7r
s#30(9+3)
F367
János Csák
SuperProblem, 07-02-2024
8/1N5Q/Bp1p1p2/3R4/PRPNP3/P2k2P1/1P1p1B2/3K4
s#4(14+5)
F368
Alexey Gasparyan & Bela Majoros
SuperProblem, 23-02-2024
Q7/8/1NpkN3/6P1/1p1B1rB1/1p1K4/1P1P4/8
s#8b) bPg5(9+5)
F366 (solution | решение)

Daniele Gatti (Italy)5N1K/r2N4/5N1k/2N5/8/2N1N1N1/7N/7r

1.Sg3-f5+! Kh6-g5 2.Sc3-e4+ Kg5-f4 3.Se3-g2+ Kf4-f5 4.Se4-d6+ Kf5-g5 5.Sc5-e6+ Kg5-h6 6.Sf6-g4+ Kh6-h5 7.Se6-f4+ Kh5-g5 8.Sd6-f7+ Kg5-f5 9.Sg4-e3+ Kf5-e4 10.Sf7-d6+ Ke4-d4 11.Sd6-b5+ Kd4-e4 12.Sd7-f6+ Ke4-e5 13.Sf6-g4+ Ke5-e4 14.Sg4-f2+ Ke4-e5 15.Se3-g4+ Ke5-f5 16.Sb5-d4+ Kf5-g5 17.Sf4-h3+ Kg5-h5 18.Sg4-f6+ Kh5-h6 19.Sf6-g8+ Kh6-h5 20.Sg2-f4+ Kh5-h4 21.Sh2-f3+ Kh4-g3 22.Sf2-e4+ Kg3-g4 23.Se4-f6+ Kg4-g3 24.Sf6-h5+ Kg3-g4 25.Sf3-e5+ Kg4-h4 26.Se5-g6+ Kh4-g4 27.Sh3-f2+ Kg4-g5 28.Sf4-e6+ Kg5-h5 29.Se6-f4+ Kh5-g5+ 30.Sf8-h7+ Th1xh7(Ta7xh7)#
F367 (solution | решение)

János Csák (Hungary)8/1N5Q/Bp1p1p2/3R4/PRPNP3/P2k2P1/1P1p1B2/3K4

1.Sxd6!
1...b5 2.Rf5 bxc4 3.S4b5 c3 4.b3 c2#, 2...bxa4 3.Rb3+ axb3 4.Sc2 bxc2#
1...f5 2.Rdb5 f4 3.g4 f3 4.Se2 fxe2#, 2...fxe4 3.S4f5 e3 4.Bg1 e2#
F368 (solution | решение)

Alexey Gasparyan (Armenia) & Bela Majoros (Hungary)Q7/8/1NpkN3/6P1/1p1B1rB1/1p1K4/1P1P4/8

a) 1.Bc5+ Ke5 2.Qh8+ Rf6 3.Qh2+ Rf4 4.Sa4 Kd5 5.Sxf4+ Ke5 6.Se2+ Kd5 7.Be3 c5 8.Bd7 c4#
b) 1.Qb8+ Ke7 2.Qd8+ Kf7 3.Sxg5+ Kg6 4.Qg8+ Kh6 5.Sf7+ Rxf7 6.Be3+ Rf4 7.Be2 c5 8.Sd5 c4#
F369
Yuri Arefyev
SuperProblem, 23-02-2024
N3rN1b/2P1PR2/1B1k1p1P/1P3p1Q/3K4/n1Pbp3/3q4/3n4
s#4(11+10)
F370Cooked
Bosko Miloseski
SuperProblem, 06-03-2024
8/2Q5/pr1P1P2/k3K3/r2B4/1R6/1N2P3/8
s#21(8+4)
F371
Béla Majoros
SuperProblem, 08-03-2024
7k/6pb/3N2p1/6P1/8/P7/KB5R/Q4R2
s#52 sol.(8+4)
F369 (solution | решение)

Yuri Arefyev (Russia)N3rN1b/2P1PR2/1B1k1p1P/1P3p1Q/3K4/n1Pbp3/3q4/3n4

1.Qf3! - 2.c8S+ Rxc8 3.Bc5+ Rxc5 4.Qd5+ Rxd5#
1...Sxc3 2.Rxf6+ Kxe7 3.Bc5+ Kxf6 4.Qxf5+ B(K)xf5#
1...Rxa8/Rc8 2.e8S+ Rxe8 3.Qf4+ Re5 4.Qxe5+ fxe5#
1...Rxf8 2.exf8Q+ Ke6 3.Qe8+ Kd6 4.Qe5+ fxe5#
F370 (solution | решение)

Bosko Miloseski (Hong Kong)8/2Q5/pr1P1P2/k3K3/r2B4/1R6/1N2P3/8

1.Bd4-c3! Ra4-b4 2.Ke5-e6 Ka5-b5 3.Qc7-c4 Kb5-a5 4.Qc4-c5 Rb6-b5 5.Qc5-c7 Rb5-b6 6.Be2-e4 Ka5-b5 7.Qc7-c4 Kb5-a5 8.Qc4-c5 Rb6-b5 9.Qc5-c7 Rb5-b6 10.Be4-e5 Ka5-b5 11.Qc7-c4 Kb5-a5 12.Qc4-c5 Rb6-b5 13.Qc5-c7 Rb5-b6 14.Ke6-f5 Ka5-b5 15.Qc7-c4 Kb5-a5 16.Qc4-c5 Rb6-b5 17.Qc5-c7 Rb5-b6 18.Be5-e6 Ka5-b5 19.Qc7-c4 Kb5-a5 20.Qc4-c5 Rb6-b5 21.Kf5-e5 Rb5-c5#
Correction of F365. Cooked: 1.Bc3+ Rb4 2.Ke6 Kb5 3.Rxb4+ Ka5 4.Be5 Kxb4 5.Qxb6+ Ka3 6.Qa5+ Kb3 7.Kd5 Kc2 8.Kc4 Kc1 9.Kb3 Kb1 10.f7 Kc1 11.Qc3+ Kb1 12.Sa4 a5 13.Qd4 Kc1 14.Ka2 Kc2 15.Qd5 Kc1 16.Bb2+ Kc2 17.Sc3 a4 18.Ka1 a3 19.Sa2 axb2#, 8...Kb1 9.Kb3 Kc1 10.Qc3+ Kb1 11.Sa4 a5 12.Qd4 Kc1 13.Ka2 Kc2 14.Qd5 Kc1 15.Bb2+ Kc2 16.Sc3 a4 17.Ka1 a3 18.Sa2 axb2#
F371 (solution | решение)

Béla Majoros (Hungary)7k/6pb/3N2p1/6P1/8/P7/KB5R/Q4R2

1.Rb1 Kg8 2.Rf2 Kh8 3.Rf8+ Bg8+ 4.Sf7+ Kh7 5.Ra8 Bxf7#
1.Rh4 Kg8 2.Ra4 Kh8 3.Ra8+ Bg8+ 4.Sf7+ Kh7 5.Rb1 Bxf7#
F372
Steven B. Dowd
SuperProblem, 27-03-2024
1K1Q4/BR2q3/5k2/3PNN2/4PPP1/8/8/8
s#7*(10+2)
F373
Steven B. Dowd
SuperProblem, 10-04-2024
8/7p/7p/7K/8/3BBkrQ/2N5/8
s#7*(5+4)
F374
Anatoly Stepochkin
SuperProblem, 10-04-2024
3k4/1P2qP1R/3PPQ1K/7P/8/8/8/8
s#8*(8+2)
F372 (solution | решение)

Steven B. Dowd (USA)1K1Q4/BR2q3/5k2/3PNN2/4PPP1/8/8/8

*1...Qxd8#
1.d6! Ke6 2.Sd4+ Kf6 3.Qh8+ Qg7 4.d7 Ke7! (4...Qxh8+? 5.d8Q+ Qxd8#) 5.d8B+ Kd6 6.Be7+ Qxe7 7.Qf8 Qxf8#

Fata Morgana with underpromotion and changed mate (author).

F373 (solution | решение)

Steven B. Dowd (USA)8/7p/7p/7K/8/3BBkrQ/2N5/8

*1...Rxh3#
1.Bd4! Kf4 2.Qh2 Kf3 3.Se1+ Kf4 4.Qh4+ Rg4 5.Qf6+ Kg3 6.Qf2+ Kh3 7.Qh4+ Rxh4#

Fata Morgana with queen Rundlauf and changed mate (author).

F374 (solution | решение)

Anatoly Stepochkin (Russia)3k4/1P2qP1R/3PPQ1K/7P/8/8/8/8

*1...Qxf6#
1.f8B! Ke8 2.b8Q+ Qd8 3.Qg6+ Kxf8 4.Rf7+ Ke8 5.Qb5+ Qd7 6.Rf8+! Kxf8 7.e7+! Qxe7 8.Qg7+ Qxg7# (MM)
F375
Steven B. Dowd
SuperProblem, 13-04-2024
1RKR4/8/2Q5/1q6/k2P4/1N6/B1N5/8
s#9*(8+2)
F376
Jozef Holubec
SuperProblem, 21-04-2024
Q1B5/8/3B4/P7/5N1R/6p1/P2p1p2/K2Nbrkn
s#10b)-Sf4(9+7)
F377Cooked
Aleksandr Pankratiev
SuperProblem, 22-04-2024
5R2/3k4/2R5/3KQ3/8/8/8/1q6
s#38(4+2)
F375 (solution | решение)

Steven B. Dowd (USA)1RKR4/8/2Q5/1q6/k2P4/1N6/B1N5/8

*1...Qxc6#
1.Sd2! Ka5 2.Qc3+ Ka6 (2...Ka4? 3.Bb3+ - s#8) 3.Qa3+ Qa4 4.Bc4+ Ka7 5.Ra8+ Kxa8! 6.Bd5+ Ka7 7.Qc5+ Ka6 8.Sb4+ Qxb4 9.Bb7+ Qxb7#
3...Qa5 4.Rd6+ Ka7 5.Rd7+ Ka6 6.Qd6+ Qb6 7.Ra8+ Kb5 8.Qb4+ Kc6 9.Rc7+ Qxc7#
2...Qb4 3.Ra8+ Kb5 4.Sa3+ Qxa3! 5.Qc4+ Kb6 6.Qc7+ Kb5 7.Qb8+ Kc6 8.Ra6+ Qxa6+ 9.Qb7+ Qxb7#

Two different ways to achieve the Qxb7# (change of sacrifice) and a rook sacrifice to achieve Qxc7# (author)

F376 (solution | решение)

Jozef Holubec (Slovakia)Q1B5/8/3B4/P7/5N1R/6p1/P2p1p2/K2Nbrkn

a) 1.Sh3+ Kh2 2.Sg5+ Kg1 3.Sf3+ Kg2 4.Be6 Rg1 5.Sg5+ Kf1 6.Se3+ Ke2 7.Qa6+ Kxe3 8.Bf4+ Kd4 9.Qd6+ Kc3 10.Qxd2+ Bxd2#
b) 1.Kb1 g2 2.Bh3 Sg3 3.Bxg3 Kh1 4.Bxg2+ Kg1 5.Qg8 Kxg2 6.Bf4+ Kf3 7.Qa8+ Ke2 8.Sc3+ Kd3 9.Qd5+ Kxc3 10.Bxd2+ Bxd2#
F377 (solution | решение)

Aleksandr Pankratiev (Russia)5R2/3k4/2R5/3KQ3/8/8/8/1q6

1.Rf7+ Kd8 2.Qd6+ Ke8 3.Re7+ Kf8 4.Qf6+ Kg8 5.Rg7+ Kh8 6.Rg3+ Kh7 7.Qe7+ Kh8 8.Qe5+ Kh7 9.Rh3+ Kg8 10.Rc8+ Kf7 11.Qe6+ Kg7 12.Qe7+ Kg6 13.Rg8+ Kf5 14.Qe6+ Kf4 15.Qe3+ Kf5 16.Rg5+ Kf6 17.Qe5+ Kf7 18.Qe6+ Kf8 19.Qf6+ Ke8 20.Re5+ Kd7 21.Qd6+ Kc8 22.Rc3+ Kb7 23.Re7+ Ka8 24.Qd8+ Qb8 25.Qa5+ Qa7 26.Re8+ Kb7 27.Qc7+ Ka6 28.Ra3+ Kb5 29.Qc4+ Kb6 30.Qc5+ Kb7 31.Qc8+ Kb6 32.Re6+ Kb5 33.Qc6+ Kb4 34.Qc3+ Kb5 35.Rb3+ Ka4 36.Rb4+ Ka5 37.Rbe4+ Kb5 38.Qc5+ Q:c5#

Cooked:
- s#37: 1.Rf8-f7 Kd7-d8 2.Qe5-g5 Kd8-e8 3.Rf7-e7 Ke8-d8 4.Re7-a7 Kd8-e8 5.Rc6-e6 Ke8-f8 6.Qg5-e7 Kf8-g8 7.Ra7-a8 Qb1-b8 8.Re6-g6 Kg8-h8 9.Qe7-f6 Kh8-h7 10.Rg6-h6 Kh7-g8 11.Qf6-h8 Kg8-f7 12.Rh6-h7 Kf7-g6 13.Rh7-g7 Kg6-f5 14.Qh8-h3 Kf5-f4 15.Rg7-g4 Kf4-f5 16.Rg4-g8 Kf5-f4 17.Qh3-g3 Kf4-f5 18.Qg3-g4 Kf5-f6 19.Qg4-g6 Kf6-e7 20.Qg6-h7 Ke7-f6 21.Rg8-g6 Kf6-f5 22.Rg6-g2 Kf5-f6 23.Qh7-g7 Kf6-f5 24.Qg7-g6 Kf5-f4 25.Qg6-g4 Kf4-e3 26.Rg2-e2 Ke3-d3 27.Qg4-e4 Kd3-c3 28.Qe4-c2 Kc3-b4 29.Ra8-a4 Kb4-b5 30.Qc2-c4 Kb5-b6 31.Qc4-a6 Kb6-c7 32.Ra4-c4 Kc7-d7 33.Qa6-c6 Kd7-d8 34.Qc6-f6 Kd8-d7 35.Re2-e7 Kd7-d8 36.Re7-e4 Kd8-d7 37.Qf6-d6 Qb8-d6#
or 2.Qe5-d6 Kd8-e8 3.Rf7-e7 Ke8-f8 4.Qd6-f6 Kf8-g8 5.Re7-g7 Kg8-h8 6.Rg7-g3 Kh8-h7 7.Rg3-h3 Kh7-g8 8.Qf6-e6 Kg8-g7 9.Rc6-c7 Kg7-f8 10.Rc7-c8 Kf8-g7 11.Qe6-e7 Kg7-g6 12.Rc8-g8 Kg6-f5 13.Qe7-e6 Kf5-f4 14.Qe6-e3 Kf4-f5 15.Rg8-g5 Kf5-f6 16.Qe3-e5 Kf6-f7 17.Qe5-e6 Kf7-f8 18.Qe6-f6 Kf8-e8 19.Rg5-e5 Ke8-d7 20.Qf6-d6 Kd7-c8 21.Rh3-c3 Kc8-b7 22.Re5-e7 Kb7-a8 23.Qd6-d8 Qb1-b8 24.Qd8-a5 Qb8-a7 25.Re7-e8 Ka8-b7 26.Qa5-c7 Kb7-a6 27.Rc3-a3 Ka6-b5 28.Qc7-c4 Kb5-b6 29.Qc4-c5 Kb6-b7 30.Qc5-c8 Kb7-b6 31.Re8-e6 Kb6-b5 32.Ra3-b3 Kb5-a4 33.Qc8-c4 Ka4-a5 34.Qc4-c3 Ka5-a4 35.Rb3-b4 Ka4-a5 36.Rb4-e4 Ka5-b5 37.Qc3-c5 Qa7-c5#
- s#33: 1.Rf8-f7 Kd7-d8 2.Qe5-f6 Kd8-e8 3.Rf7-e7 Ke8-d8 4.Re7-e5 Kd8-d7 5.Qf6-e6 Kd7-d8 6.Rc6-d6 Kd8-c7 7.Rd6-d7 Kc7-c8 8.Qe6-c6 Kc8-b8 9.Qc6-d6 Kb8-a8 10.Qd6-a3 Ka8-b8 11.Rd7-d8 Kb8-b7 12.Qa3-e7 Kb7-b6 13.Rd8-b8 Kb6-a5 14.Rb8-a8 Ka5-b6 15.Qe7-a7 Kb6-b5 16.Qa7-a6 Kb5-b4 17.Qa6-a3 Kb4-b5 18.Kd5-d4 Kb5-b6 19.Qa3-a5 Kb6-c6 20.Qa5-d5 Kc6-b6 21.Re5-e6 Kb6-c7 22.Qd5-d8 Kc7-b7 23.Re6-e7 Kb7-c6 24.Qd8-c7 Kc6-b5 25.Ra8-a5 Kb5-b4 26.Qc7-c5 Kb4-b3 27.Qc5-a3 Kb3-c2 28.Ra5-c5 Kc2-d2 29.Qa3-c3 Kd2-d1 30.Qc3-f3 Kd1-d2 31.Re7-e2 Kd2-d1 32.Re2-e5 Kd1-d2 33.Qf3-d3 Qb1-d3#
F378Cooked
Aleksandr Pankratiev
SuperProblem, 22-05-2024
K1k5/1R6/1Q6/2N5/1p6/8/6r1/8
s#45(4+3)
F379
Grigory Filin, Luka Tyrtyshnikov
SuperProblem, 02-06-2024
8/P3p3/3N1R2/8/5P2/2pkP3/8/2BKR3
s#2(8+3)
F380
Aleksandr Kotov
SuperProblem, 04-07-2024
6n1/2pPpP1p/4Kb1r/7p/3pkp2/4P3/5P2/2R1N2R
s#2(8+10)
F378 (solution | решение)

Aleksandr Pankratiev (Russia)K1k5/1R6/1Q6/2N5/1p6/8/6r1/8

1.Qe6+ Kd8 2.Rd7+ Kc8 3.Ra7+ Kd8 4.Sb7+ Kc7 5.Sa5+ Kd8 6.Rd7+ Kc8 7.Rd4+ Kc7 8.Rc4+ Kd8 9.Sc6+ Kc7 10.Sa7+ Kd8 11.Rd4+ Kc7 12.Qc4+ Kb6 13.Sc8+ Ka5 14.Q:b4+ Ka6 15.Qa3+ Kb5 16.Qa4+ Kc5 17.Rc4+ Kd5 18.Qc6+ Ke5 19.Qd6+ Kf5 20.Se7+ Kg5 21.Qf4+ Kh5 22.Rc5+ Rg5 23.Qh2+ Kg4 24.Rc4+ Kf3 25.Rf4+ Ke3 26.Qf2+ Kd3 27.Rd4+ Kc3 28.Qd2+ Kb3 29.Rb4+ Ka3 30.Qc3+ Ka2 31.Rb2+ Ka1 32.Rb7+ Ka2 33.Qb3+ Ka1 34.Qd1+ Ka2 35.Qb1+ Ka3 36.Qb2+ Ka4 37.Qb7+ Ka5 38.Qb4+ Ka6 39.Qa3+ Ra5 40.Qd3+ Rb5 41.Ra7+ Kb6 42.Qe3+ Rc5 43.Qd4 Kb5 44.Qa4+ Kb6 45.Sc8+ R:c8#

Cooked: 1.Tb7-c7 Kc8-d8 2.Sc5-b7 Kd8-e8 3.Db6-e3 Ke8-f8 4.De3-e7 Kf8-g8 5.De7-h7 Kg8-f8 6.Tc7-f7 Kf8-e8 7.Sb7-d6 Ke8-d8 8.Dh7-h4 Tg2-g5 9.Tf7-g7 Bb4-b3 10.Sd6-f5 Kd8-e8 11.Dh4-e1 Ke8-f8 12.De1-b4 Kf8-e8 13.Db4-b5 Ke8-f8 14.Db5-c5 Kf8-e8 15.Dc5-e5 Ke8-f8 16.De5-f6 Kf8-e8 17.Df6-f7 Ke8-d8 18.Df7-e7 Kd8-c8 19.De7-e6 Kc8-d8 20.Tg7-d7 Kd8-c8 21.Td7-d4 Kc8-c7 22.De6-d6 Kc7-c8 23.Dd6-f8 Kc8-c7 24.Df8-b8 Kc7-c6 25.Db8-b7 Kc6-c5 26.Db7-b4 Kc5-c6 27.Sf5-e7 Kc6-c7 28.Db4-a5 Tg5xa5#
F379 (solution | решение)

Grigory Filin, Luka Tyrtyshnikov (Russia)8/P3p3/3N1R2/8/5P2/2pkP3/8/2BKR3

1.a8B!
1...e5 2.fxe5 c2#
1...e6 2.Rxe6 c2#
1...exf6 2.f5 c2#
1...exd6 2.Bd5 c2#

Юные участники представили тему Пикенини. Григорий 2011 г. р., а Лука 2014 г. р. (директор).

F380 (solution | решение)

Aleksandr Kotov (Russia)6n1/2pPpP1p/4Kb1r/7p/3pkp2/4P3/5P2/2R1N2R

1.Rc4? - 2.Rxd4+ Bxd4#, 1...fxe3 2.Rh4+ Bxh4#, 1...c5!
1.Rc5! - 2.Re5+ Bxe5#
1...dxe3 2.Rc4+ Bd4#
1...fxe3 2.Rh4+ Bxh4#
X
F381a
Sergey Evko (after Schudel & Fritsch)
SuperProblem, 28-07-2024
Solution | Решение

1.Ra4 e4 2.Bh4 exd3 3.Qc6+ Sd5 4.Se5+ Kxe3 5.Qc1+ d2 6.Qc3+ Sxc3#
1...h4 2.Sd2+ Kxe3 3.Qxe5+ Kxd3 4.Qe4+ Kc3 5.Qc4+ Kxb2 6.Qc2+ bxc2#

8/8/5Q2/pP2p2p/2N2n2/1p1PNk2/1R6/R2KB3
8/8/5Q2/pP2p2p/2N2n2/1p1PNk2/1R6/R2KB3
s#6(9+6)
F381See also version F381a
Sergey Evko (after Schudel & Fritsch)
SuperProblem, 28-07-2024
8/8/5Q2/4p2p/1PN2n2/1p1PNk2/1R6/R2KB3
s#6(9+5)
F382
Sergey Smotrov
SuperProblem, 29-07-2024
1n6/7R/3k4/P1pN4/1PK5/1rpQ4/1r2pp2/4bb1n
s#18(6+11)
F383
Vidadi Zamanov
SuperProblem, 31-07-2024
8/8/P6p/5N1Q/3p3p/6Nk/7p/7K
s#5(5+5)
F381 (solution | решение)

Sergey Evko (Russia)8/8/5Q2/4p2p/1PN2n2/1p1PNk2/1R6/R2KB3

1.Ra5 e4 2.Rxh5 exd3 3.Qc6+ Sd5 4.Rh4 d2 5.Se5+ Kxe3 6.Qc3+ Sxc3#
1...h4 2.Sd2+ Kxe3 3.Qxe5+ Kxd3 4.Qe4+ Kc3 5.Qc4+ Kxb2 6.Qc2+ bxc2#

Cooked predecessor - P1081591

F382 (solution | решение)

Sergey Smotrov (Kazakhstan)1n6/7R/3k4/P1pN4/1PK5/1rpQ4/1r2pp2/4bb1n

Main plan: 1.bxc5+? Kc6 2.Sb4+ Rxb4#, but 1...Ke5(e6)!
1.Se3+! Ke5 2.Qf5+ Kd6 3.Qg6+ Ke5 4.Rh5+ Kf4 5.Sd5+ Kf3 6.Rf5+ Ke4 7.Rg5+ Kf3 8.Qh5+ Ke4 9.Rg4+ Kf3 10.Rg7+ Ke4 11.Sf6+ K~ 12.Qg5+ Kf3 13.Qf5+ Ke3 14.Qd3+ Kf4 15.Sd5+ Ke5 16.Re7+! Kd6, and main plan 17.bxc5+ Kc6 18.Sb4+ Rxb4#
1...Kc6 2.Qe4+ Kd6 3.Qg6+ Ke5 (etc.), 1...Ke6 2.Qg6+ Ke5 (etc.)

Returns of white figures. Logic maneuver Rh7 => e7. Active blocking Qd3 (author).

F383 (solution | решение)

Vidadi Zamanov (Azerbaijan)8/8/P6p/5N1Q/3p3p/6Nk/7p/7K

1.Se4! - 2.a7 d3 3.a8Q d2 4.Qa6 d1Q(R)+ 5.Qf1+ Q(R)xf1#, 4...d1S 5.Sf2+ Sxf2#, 4...d1B 5.Qf3+ Bxf3#
1...d3 2.Sxh6 d2 3.Qe5 d1S 4.Sf2+ Sxf2#, 3...d1B 4.Qf5+ Bg4 5.Qf3+ Bxf3#

Популярная задача с мотивами цугцванга и превращениями белой и черной пешек. (Aвтор)
Однако угроза виртуальная, так как нет у чёрных хода, на который она проходит, поэтому белая пешка и не нужна. (Директор)

F384
Anatoly Slesarenko
SuperProblem, 05-08-2024
2B2br1/4pRPb/p3nBn1/5k1P/6p1/p6P/Pp2Q1N1/1K6
s#3(10+11)
F385
Vidadi Zamanov & Viktor Volchek
SuperProblem, 19-08-2024
2B5/3Q4/1p3pp1/bpk3pR/1r4P1/2Kp1NrP/3P1N2/1qnbn1BR
s#4(11+14)
F386
Aleksandr Kuzovkov
SuperProblem, 09-09-2024
8/2N2p2/1PPkp1N1/p2B3P/2RQ1P2/2KRpP2/bp1rrp2/3qb3
s#4(12+12)
F384 (solution | решение)

Anatoly Slesarenko (Russia)2B2br1/4pRPb/p3nBn1/5k1P/6p1/p6P/Pp2Q1N1/1K6

1.Qc4! - 2.Sh4+ Sxh4 3.Qf4+ Kxf4#
1...exf6 2.Qd5+ Se5 3.Qxe5+ Kxe5#, 1...Sg~ 2.Qc5+ Ke4 3.Qd5+ Kxd5#
(1st system)
1...Se5! 2.hxg4+ Sxg4 3.Qxg4+ Kxg4#, 1...Sf4! 2.Bxe6+ Sxe6 3.Qxe6+ Kxe6# (2nd system)

Игра королевской батареи в пяти (!) вариантах, черная коррекция (автор).

F385 (solution | решение)

Vidadi Zamanov (Azerbaijan) & Viktor Volchek (Belarus)2B5/3Q4/1p3pp1/bpk3pR/1r4P1/2Kp1NrP/3P1N2/1qnbn1BR

1.Sxg5! - 2.Qc7+ Kd5 3.Se6+ g5 4.Sf4+ Rxf4# - связана Pg5 (нет 4...gxf4?)
1...Bf3 2.Sf7+ Bd5 3.Ba6! ~ 4.Qxb5+ Rxb5# - связан Bd5 (нет 3...Bc4?), 2...f5/g5 3.Ba6! Bc6 4.Qd4+ Rxd4# - блокирование поля c6.
1...fxg5 2.Bh2! Re3 3.R:g5+ Re5 4.Se4+ Rbxe4# - связана Re5 (нет 4...Rxe4?)
1...Sg2 2.Sf3+ f5 3.Sxd1+ Se3 4.Bxe3+ Rd4#

Четырехкратная игра черной батареи на матующем ходу на поля f4/b5/d4/e4 с использованием связки черных фигур. (Aвторы)

F386 (solution | решение)

Aleksandr Kuzovkov (Russia)8/2N2p2/1PPkp1N1/p2B3P/2RQ1P2/2KRpP2/bp1rrp2/3qb3

1.Sa6! - 2.Bxe6+ Kxe6 3.Qd6+ Kf5 4.Rd5+ Rxd5#
1...Bxc4 2.Bxc4+ Kxc6 3.Qd7+ Kxb6 4.Rd6+ Rxd6#
1...fxg6 2.Be4+ Ke7 3.Qd8+ Kf7 4.Rd7+ Rxd7#

1...exd5 2.Qc5+ Ke6 3.Qe7+ Kf5 4.Rxd5+ Rxd5#

3/4 звезды слона, игра батареи и бристольская тема в трёх вариантах. Выбор первого хода: 1.Sa8? Bxc4! (author).

F387
Anatoly Stepochkin
SuperProblem, 22-09-2024
4B3/8/R1Pb4/p1k5/P1N1Qpq1/Kp3r2/1Pp1n3/n6b
s#2(8+11)
F388
Béla Majoros
SuperProblem, 23-09-2024
8/2p5/2B4B/2P5/1P6/2P5/KPpr1N2/2k5
s#5(8+4)
F389
Borislav Atanasov
SuperProblem, 25-09-2024
8/8/8/6B1/1R4B1/2pSp1kp/5Sp1/6K1
s#2(6+5)
F387 (solution | решение)

Anatoly Stepochkin (Russia)4B3/8/R1Pb4/p1k5/P1N1Qpq1/Kp3r2/1Pp1n3/n6b

1.Sb6? - 2.Qb4+ axb4#, 1...Sd4 2.Qxd4+ Kxd4#, 1...Qd7!
1.Se3! - 2.Qb4+ axb4#
1...Rxe3 2.Qc4+
(Qd5+?) Kxc4#
1...fxe3 2.Qd5+
(Qc4+?) Kxd5#
1...Sd4 2.Qxd4+ Kxd4#
F388 (solution | решение)

Béla Majoros (Hungary)8/2p5/2B4B/2P5/1P6/2P5/KPpr1N2/2k5

1.Ba4! c6 2.b5 cxb5 3.Bb3 b4 4.Ka1 bxc3 5.Ba2 cxb2#
F389 (solution | решение)

Borislav Atanasov (Bulgaria)8/8/8/6B1/1R4B1/2pSp1kp/5Sp1/6K1

1.Rb3!
1...c2 2.Sc1 h2#
1...e2 2.Se1 h2#
1...exf2+ 2.Sxf2 h2#
F390
Anatoly Stepochkin
SuperProblem, 04-10-2024
8/1PPP3R/2K1Rrk1/1PPN4/4P2Q/6p1/6P1/8
s#10*(12+3)
F391
Yuri Arefiev
SuperProblem, 04-10-2024
k7/5pQ1/4Rp1K/3p4/7b/7r/8/qR6
s#11(4+7)
F392
Jozef Holubec
SuperProblem, 17-10-2024
8/7B/2N1Pk1B/8/5b2/7Q/4N3/3RKR2
s#10b) Pe6->d6(9+2)
F390 (solution | решение)

Anatoly Stepochkin (Russia)8/1PPP3R/2K1Rrk1/1PPN4/4P2Q/6p1/6P1/8

*1...R:e6#
1.Qh1! Kg5 2.d8Q Kg6 3.Kd7 R:e6 4.Rg7+! K:g7 5.Qdh8+ Kg6 6.Q1h6+ Kf7 7.Qh5+ Rg6 8.Kc8 Ke6 9.Qg8+! R:g8+ 10.Qe8+ R:e8#
(5...Kf7 6.Qh5+ Rg6 7.Kc8 Ke6 8.Qg8+ R:g8+ 9.Qe8+; 3...Kg5 4.Qh4+ Kg6 5.Kc8 R:e6 6.Se7+ R:e7 7.Qh5+ Kf6 8.Rf7+ Ke6 9.Qe8; 2...Kg4 3.Rh4+ Kg5 4.Rd6 Kg6 5.Rg4+ Kf7 6.Qd7+ Kf8 7.Qg7+ Ke8 8.Re6+)
F391 (solution | решение)

Yuri Arefiev (Russia)k7/5pQ1/4Rp1K/3p4/7b/7r/8/qR6

1.Re8+ Ka7 2.Q:f7+ Ka6 3.Qb7+ Ka5 4.Qb4+ Ka6 5.Qb5+ Ka7 6.Qc5+ Ka6 7.Rb6+ Ka7 8.R:f6+ Kb7 9.Rb6+ Ka7 10.Rg6+ Kb7 11.Qe7+ B:e7#
F392 (solution | решение)

Jozef Holubec (Slovakia)8/7B/2N1Pk1B/8/5b2/7Q/4N3/3RKR2

a) diagram: 1.e7 Kf7 2.Qd7 Kf6 3.Ra1 Kf7 4.Se5+ Kf6 5.Bg8 Kxe5 6.Bg7+ Ke4 7.Qd5+ Ke3 8.Bd4+ Kd3 9.Bf2+ Kc2 10.Qd2+ Bxd2#
b) Pe6->d6: 1.Bg8 Kg6 2.Qe6+ Kh5 3.Rh1+ Bh2 4.Bd2 Kh4 5.Qg6 Kh3 6.Sf4+ Kh4 7.Qh5+ Kg3 8.Rf1 Bg1 9.Se2+ Kg2 10.Rf2+ Bxf2#
F393
Aleksandr Pankratiev & Yuri Gorbatenko
SuperProblem, 07-11-2024
1b6/1Pp2R2/npK1k3/1PB1pR1b/1pN3p1/3Q2N1/2r5/2q5
s#3(9+11)
F394
Mikhail Kostylev
SuperProblem, 12-11-2024
Q7/6B1/2B3N1/1N2R3/4q3/4k3/5R2/5K2
s#8b) Ke3->d3(8+2)
F395
Aleksandr Feoktistov
SuperProblem, 15-11-2024
8/1p6/1N1p4/p2R3B/PpN3R1/1p3k1p/b4p1B/5K2
s#7(8+9)
F393 (solution | решение)

Aleksandr Pankratiev & Yuri Gorbatenko (Russia)1b6/1Pp2R2/npK1k3/1PB1pR1b/1pN3p1/3Q2N1/2r5/2q5

1.Rf8! - 2.Re8+ (A) Bxe8+ 3.Qd7+ (B) Bxd7#
1...Sxc5 2.Qd7+ (B) Sxd7 3.Rxe5+ (C) Sxe5#
1...Qg5 2.Rxe5+ (C) Qxe5 3.Qd5+ (D) Qxd5#
1...Rd2 2.Qd5+ (D) Rxd5 3.Re8+ (A) Bxe8#
F394 (solution | решение)

Mikhail Kostylev (Russia)Q7/6B1/2B3N1/1N2R3/4q3/4k3/5R2/5K2

a) 1.Rg2! zz
1...Kd3 2.Qa3+ Kc4 3.Qa4+ Kd3 4.Qc2+ Ke3 5.Rg1! Kf3 6.Rf5+ Ke3 7.Qf2+ Kd3 8.Qe2+ Qxe2#
1...Kf3 2.Qf8+ Ke3 3.Qf2+ kd3 4.Qc2+ Ke3 5.Rg1! Kf3 6.Rf5+ Ke3 7.Qf2+ Kd3 8.Qe2+ Qxe2#
1...Qe5 2.Qa3+ Qc3 3.Bh6+ Kd3 4.Sf4+ Kc4 5.Sd6+ Kd4 6.Bg7+ Ke3 7.Qc1+ Qd2 8.Be5! Qc1#

b) 1.Qa3+ Kc4 2.Qa4+ Kd3 3.Qc2+ Ke3 4.Bd5! Qxe5 5.Qb3+ Qc3 6.Bd4+ Kd3 7.Qb1+ Qc2 8.Ke1! Qb1#

Гравюра, аристократ, чешские динамические правильные эхо-маты (автор).

Gravure, aristocrat, bohemian dynamic model echo-mates. (author.)

F395 (solution | решение)

Aleksandr Feoktistov (Russia)8/1p6/1N1p4/p2R3B/PpN3R1/1p3k1p/b4p1B/5K2

1.Sb2! zz
1...Bb1 2.Rxb4+! Ke3 3.S2c4+ Ke4 4.Bf3+! Kxf3 5.Se5+ Ke3 6.Sg4+ Kf3 7.Rd3+ Bxd3#
1...Ke3 2.Rxd6! Kf3 3.Rg2+! Ke4 4.Bg6+ Ke3 5.S6c4+ Kf3 6.Rb6! Bb1 7.Bxb1 hxg2#, 3...Ke3 4.S6c4+ Ke4 5.Bg6+ Kf3 6.Rb6! Bb1 7.Bxb1 hxg2#


В первом варианте белая ладья с g4 делает критический ход, затем белый конь сначала возвращается на исходную позицию, а затем занимает место этой белой ладьи. Во втором варианте другой белый конь занимает исходное место первого коня, а другая белая ладья занимает место второго коня. Вступление с предоставлением свободного поля (автор).

In 1st variation wRg4 performs a critical move, then wS returns on its initial square and moves on initial square of this wR. In 2nd variation another wS moves on initial square of first wS and another wR - on initial square of second wS. Flight-giving-key. (author.)

F396
Nikolay Zuev
SuperProblem, 15-11-2024
k3N3/8/p7/8/1R6/N7/Pr5B/R3K3
s#6(7+3)
F397
Viktor Zheglov
SuperProblem, 18-11-2024
k7/7Q/8/8/4RK1R/7r/8/8
s#51(4+2)
F398
Viktor Zheglov
SuperProblem, 18-11-2024
8/4K3/8/3k3n/6Q1/4Q3/5N2/2R5
s#15(5+2)
F396 (solution | решение)

Nikolay Zuev (Lithuania)k3N3/8/p7/8/1R6/N7/Pr5B/R3K3

1.Sc7+! Ka7 2.Bg1+ Rf2 3.0-0-0 а5 4.Rb5 a4 5.Sb1 a3 6.Rb2 a:b2#
F397 (solution | решение)

Viktor Zheglov (Russia)k7/7Q/8/8/4RK1R/7r/8/8

1.Ra4+ Kb8 2.Qa7+ Kc8 3.Rc4+ Kd8 4.Qc7+ Kd8 5.Re4+ Kf8 6.Qe7+ Kg8 7.Rg4+ Kh8 8.Qf6+ Kh7 9.Rg7+ Kh8 10.Rb7+! Kg8 11.Rb8+ Kh7 12.Qe7+! K~ 13.Rb6+ Kh5 14.Qe5+! Kh4 15.Kf5+ Kh5 16.Kf6+ Kh6 17.Qg5+ Kh7 18.Re7+ Kh8 19.Re8+ Kh7 20.Qg8+ Kh6 21.Kf7+ Kh5 22.Re5+ Kh4 23.Re4+ Kh5 24.Qh8+ Kg5 25.Qf6+ Kh5 26.Re5+ Kg4 27.Rg5+ Kh4 28.Rg7+! Kh5 29.Qe5+ Kh4 30.Qd4+ Kh5 31.Rb5+ Kh6 32.Qd2+ Re3 33.Rb4 Kh5 34.Rh7+ Kg5 35.Kg7 Kf5 36.Rh5+ Ke6 37.Qd5+ Ke7 38.Rb7+ Ke8 39.Qf7+ Kd8 40.Rd5+ Kc8 41.Rc5+ Kd8 42.Qf8+ Re8 43.Qf6+ Re7+ 44. Kh8 Ke8 45.Rb8 Kd7 46.Qd4+ Ke6 48.Re5+ K ~ 48.Qf4+ Kg6 49.Rg8+ Rg7 50.Qf5+ Kh6 51.Qh7+ Rxh7#

Switchback of wQ (author).

F398 (solution | решение)

Viktor Zheglov (Russia)8/4K3/8/3k3n/6Q1/4Q3/5N2/2R5

1.Rc8!
1...Sg3(g7) 2.Qe3-g5+ Sf5 3.Kd7 Ke5 4.Sh1! Kd5 5.Sg3 Ke5 6.Sh5 Kd5 7.Qg8+ Ke5 8.Re8+ Se7 9.Qg4-c4 Kf5 10.Rf8+ Ke5 11.Qg5+ Sf5 12.Ke8 Kd6 13.Qd8+ Ke5 14.Qf4+ Ke6 15.Sg7+ Sxg7#
1...Sf4 2.Qd2+! Ke5 3.Qg3! Kf5 4.Rf8+ Ke5 5.Kf7 Kf5 6.Kg7+ K~ 7.Re8+ Kf5 8.Qd7+ Se6+ 9.Kh8 Kf6 10.Se4+ Kf5 11.Sd6+ Kf6 12.Qd8+! Sxd8 13.Qe5+ Kg6 14.Rg8+ Kh6 15.Sf7+ Sxf7#, 2...Sd3 3.Rc7! Ke5 4.Qc3+ Kd5 5.Qf5+ Se5 6.Kd8 Kd6 7.Se4+ Kd5 8.Sg5! Kd6 9.Qb4+ Kd5 10.Re7 Kc6 11.Re6+ Kd5 12.Re8 Kc6 13.Qc8+ Kd5 14.Qe4+ Kd6 15.Sf7+ Sxf7#
1...Sf6 2.Qd2+ Ke5 3.Qa5+! Sd5+ 4.Kf7 Kd6 5.Se4+ Ke5 6.Sc3! Kd6 7.Sb5+ Ke5 8.Re8+ Se7 9.Qb6 Kd5 10.Rd8+ Ke5 11.Qc5+ Sd5 12.Ke8 Kf6 13.Qf8+ Ke5 14.Qd4+ Ke6 15.Sc7 Sxc7#
F399
Viktor Zheglov
SuperProblem, 18-11-2024
8/1K6/5R2/1k6/6R1/8/1B5Q/3r4
s#13(5+2)
F400
Nikolay Zuev
SuperProblem, 22-11-2024
4B3/8/8/4p3/3kP3/ppN5/8/KQN5
s#7(6+3)
F401Cooked
Bosko Miloseski
SuperProblem, 22-11-2024
8/R1Q5/nr2P1P1/k4K2/1r3P2/1R6/1N6/4B3
s#16(9+4)
F399 (solution | решение)

Viktor Zheglov (Russia)8/1K6/5R2/1k6/6R1/8/1B5Q/3r4

1.Qe2+
1...Kc5 2.Ba3+ Kd5 3.Qc4+ Ke5 4.Bb2+ Rd4 5.Rf7! Kd6 6.Rg6+ Ke5 7.Ka6! Ke4 8.Qe2+ Kd5 9.Rd7+ Kc5 10.Ba3 Rb4 11.Rg6-g7! Kc6 12.Qc2+ Rc4 13.Qa4+ Rxa4#
1...Ka5 2.Qe5+ Rd5 3.Bc3+ Kb5 4.Rb6+ Kc5 5.Qe7+ Rd6 6.Ka7 Kd5 7.Rd4+ Kc5 8.Qc7+ Rc6 9.Rb5+! Kxb5 10.Qe5+ Rc5 11.Qb8+ Kc6 12.Qe8+ Kc7 13.Ba5+ Rxa5#
1...Rd3 2.Rc6 Ka5 3.Ra6+ Kb5 4.Bf6 Kc5 5.Qe5+ Rd5 6.Be7+ Kb5 7.Qe2+ Rd3 8.Kb8! Kxa6 9.Rg5! Kb6 10.Qe6+ Rd6 11.Qb3+ K~ 12.Qa4+ Kb6 13.Bd8+ Rxd8#
F400 (solution | решение)

Nikolay Zuev (Lithuania)4B3/8/8/4p3/3kP3/ppN5/8/KQN5

1.Qd3+ Kc5 2.Sa4+ Kb4 3.Qd2+ Kc4 4.Qd5+ Kb4 5.Sa2+ b:a2 6.Qc5+ Kb3 7.Sb2 a:b2#
F401 (solution | решение)

Bosko Miloseski (Hong Kong)8/R1Q5/nr2P1P1/k4K2/1r3P2/1R6/1N6/4B3

1.Kf6! Kb5 2.Qc4+ Ka5 3.Qc5 Rb5 4.Qc7+ Rb6 5.f5 Kb5 6.Qc4+ Ka5 7.Qc5+ Rb5 8.Qc7+ Rb6 9.Kg5 Kb5 10.Qc4+ Ka5 11.Qc5+ Rb5 12.Qc7+ Rb6 13.f6 Kb5 14.Qc4+ Ka5 15.Qc5+ Rb5 16.Kf5 R:c5#
Correction of F370 Cooked: 1.Be6-e7 Ka5-b5 2.e7-e8Q Kb5-a5 3.Qe8-e4 Ka5-b5 4.Qc7-d7 Kb5-a5 5.Qe4xb4 Rb6xb4 6.Rb3-a3 Ka5-b6 7.Ra3xa6 Kb6-c5 8.Be1-f2 Rb4-d4 9.Ra6-a4 Kc5-b6 10.Kf5-g5 Kb6-c5 11.Kg5-h6 Kc5-b6 12.Qd7-b7 Kb6-c5 13.Ra4-a5 Kc5-d6 14.Qb7-c7 Kd6-e6 15. f4-f5 Ke6-f6 16.Bf2-h4 Rd4xh4#
4...Kb5-c5 5.Qe4-e7 Rb6-d6 6.Qd7xd6 Kc5-b5 7.Ra7xa6 Rb4xb3 8.Qe7-e2 Rb3-d3 9.Qd6-f6 Kb5-c5 10.Qf6-b6 Kc5-d5 11.Qe2-g2 Rd3-f3 12.Kf5-g4 Kd5-e4 13.Be1-c3 Ke4-d5 14.Kg4-h5 Kd5-e4 15.Qb6-d4 Ke4-f5 16.Qg2-h3 Rf3xh3#
4...Rb6-c6 5.Qe4xc6 Kb5-a5 6.Qc6-a4 Ka5-b6 7.Ra7xa6 Kb6-c5 8.Be1-f2 Rb4-d4 9.Qd7-c8 Kc5-d5 10.Ra6-a5 Kd5-d6 11.Qa4-a3 Rd4-b4 12.Kf5-g5 Kd6-e7 13. f4-f5 Ke7-d6 14.Rb3-d3 Kd6-e7 15.Kg5-h6 Ke7-f6 16.Bf2-h4 Rb4xh4#
F402
Nikolay Zuev
SuperProblem, 25-11-2024
6RK/8/8/4N1pk/R3Qn2/6P1/8/8
s#7(6+3)
F403
Viktor Volchek & Mikhail Khramtsevich
SuperProblem, 25-11-2024
n7/2pP4/1pK4p/1P2p1Rr/4kpPp/3npR2/4P2N/QB5b
s#3(10+12)
F404
Miroslav Svitek
SuperProblem, 04-12-2024
4N3/BN5Q/pp2pP2/1P1kP2R/1Rp4n/1PP2Pp1/2pPKbrp/5rq1
s#3(14+13)
F402 (solution | решение)

Nikolay Zuev (Lithuania)6RK/8/8/4N1pk/R3Qn2/6P1/8/8

1.Qh1+ Sh3 2.Rh4+ g:h4 3.Qf3+ Kh6 4.Qf6+ Kh5 5.Qg5+ S:g5 6.g4+ Kh6 7.Sf7+ S:f7#
F403 (solution | решение)

Viktor Volchek & Mikhail Khramtsevich (Belarus)n7/2pP4/1pK4p/1P2p1Rr/4kpPp/3npR2/4P2N/QB5b

1.Sf1! - 2.Rxe5+ Rxe5 3.Rxf4+ Kxf4#
1...Bxf3 2.Sd2+ exd2 3.exd3+ Ke3#
1...Rxg5 2.Rxf4+ exf4 3.Qd4+ Kxd4#
1...hxg5 2.Rxe3+ fxe3 3.Qxe5+ Kxe5#

Крестик черного короля на матующем ходу (авторы) | bK cross on mating move (authors)

F404 (solution | решение)

Miroslav Svitek (Czech Republic)4N3/BN5Q/pp2pP2/1P1kP2R/1Rp4n/1PP2Pp1/2pPKbrp/5rq1

1.f4? - 2.Qd7+ Ke4 3.Rxc4+/Qd4+ Bd4#, 1...Sf5 2.Sc7+ Ke4 3.Rxc4+ Bd4#, 1...Sf3!
1.bxa6! - 2.Sc7+ Kc6 3.Rxb6+ Bxb6#
1...cxb3 2.Qd3+ Kc6 3.Rxb6+ Bxb6#
1...Sf5 2.Qd7+ Kxe5 3.Qd4+ Bxd4#, 2...Sd6 3.Rb5+ Bc5#
1...Kc6 2.Qc7+ Kd5 3.Rb5+ Bc5#
1...b5 2.Rxb5+ Kc6 3.Rc5+ Bxc5#

Le Grand, 3x different black Knight pin, white Rock square b4, c4, c5, b5 (author).

X
F407a
Sergey Evko
SuperProblem, 04-12-2024
Solution | Решение

1.Reg7 Rxb2 2.Qb4+ Rxb4 3.axb4 Bxc7 4.Bc5+ Bd6 5.c7 Be7 6.c8S Bxc5 7.bxc5 Rg4 8.Rg8+ Rxg8#, 6...Bd6 7.Sxd6 Rg4 8.Rg8+ Rxg8#
1b3k1K/2PBR2R/2P5/1P5p/4Qp1r/P4P1p/1P4rP/6B1
1b3k1K/2PBR2R/2P5/1P5p/4Qp1r/P4P1p/1P4rP/6B1
s#8(13+7)
F405
Dimitris Liakos
SuperProblem, 04-12-2024
8/P1P1P1p1/6p1/4p1R1/1N2kb2/2K1NrpP/2PP2B1/8
s#8(11+7)
F406
Sergey Evko
SuperProblem, 04-12-2024
8/1P3N1p/6p1/2N3P1/3p4/k1BPp3/P1P1P3/R3K3
s#5(11+5)
F407See also version F407a
Sergey Evko
SuperProblem, 04-12-2024
1b3k1K/2PBR3/2P3RP/1P5p/4Qp1r/P4P1p/1P1r3P/6B1
s#8(14+7)
F405 (solution | решение)

Dimitris Liakos (Greece)8/P1P1P1p1/6p1/4p1R1/1N2kb2/2K1NrpP/2PP2B1/8

1.c8Q Bxg5 (1...Bxe3 2.Qc4+ Bd4#) 2.Qg4+ Bf4 3.e8S g5 4.Sf6+ gxf6 5.a8R f5 6.Rc8 fxg4 7.hxg4 Bxe3 8.Rc4+ Bd4#
F406 (solution | решение)

Sergey Evko (Russia)8/1P3N1p/6p1/2N3P1/3p4/k1BPp3/P1P1P3/R3K3

1.b8Q dxc3 2.0-0-0 h5 3.gxh6 g5 4.Sxg5 Kxa2 5.Qb2+ cxb2#, 1...h5 2.gxh6 dxc3 3.0-0-0 and etc.

Лишь не позднее второго хода пешкой h7 на два поля, чёрные имеют возможность продержаться в течение пяти ходов. Белый Валладао и Антифеникс. (автор.)
Only no later than the second move of the h7 pawn on two squares, black has the opportunity to hold out for five moves. White Valladao and the Antiphoenix (author).

F407 (solution | решение)

Sergey Evko (Russia)1b3k1K/2PBR3/2P3RP/1P5p/4Qp1r/P4P1p/1P1r3P/6B1

1.Rh7! Rxb2 2.Qb4+ Rxb4 3.axb4 Bxc7 4.Bc5+ Bd6 5.c7 Be7 6.c8S Bxc5 7.bxc5 Rg4 8.Rg8+ Rxg8#
1...Rxh2 2.Bxh2 Bxc7 3.b4 Bd8 4.Qf5+ Bf6+ 5.Rgg7 Rg4 (6...R:g7 7.??) 6.Qc5+ Be7 7.Rg8+ Rxg8#

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