Selfmates - SuperProblem 2023 Informal Tourney - Самоматы

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The deadline in SuperProblem-2023 informal tourney has been reached on December 1st, 2023.
The tourney is closed. Waiting for award...
Срок присылки задач на годовой конкурс SuperProblem-2023 истек 1 декабря 2023 года.
Конкурс закрыт, задачи больше не принимаются. Ожидаем итоги...

F330
Anatoly Stepochkin
SuperProblem, 28-02-2023
8/8/4B1N1/4N3/2p1k3/2Pp3Q/3P2pp/3K2Bq
s#5*(8+6)
F331
Anatoly Stepochkin
SuperProblem, 28-02-2023
3B4/1B6/8/6Q1/8/5p1k/7p/7K
s#10(4+3)
F332
Anatoly Stepochkin
SuperProblem, 28-02-2023
8/5p2/2P2P2/2BK1P2/2QpP2R/3pk1p1/p2p4/qbbB3N
s#11(10+10)
F330 (solution | решение)

Anatoly Stepochkin (Russia)8/8/4B1N1/4N3/2p1k3/2Pp3Q/3P2pp/3K2Bq

*1...hxg1S 2.Qf3+ Sxf3#
*1...hxg1B 2.Qe3+ Bxe3#
1.Bg4! Kd5 2.Qf3+ Kd6 3.Qb7 zz
3...hxg1S 4.Qe7+ Kd5 5.Bf3+ Sxf3#
3...hxg1B 4.Qb6+ Kd5 5.Qd4+ Bxd4#
F331 (solution | решение)

Anatoly Stepochkin (Russia)3B4/1B6/8/6Q1/8/5p1k/7p/7K

1.Qg2+? fxg2+ 2.Bxg2!
1.Qh5+ Kg3 2.Bc7+ Kf2 3.Qe8 Kf1 4.Ba6+ Kf2 5.Bd8 Kg3 6.Qe3 Kh3 7.Bc8+ Kg3 8.Bg4! Kxg4 9.Qg5+ Kh3 10.Qg2+ fxg2#

Чистая логика в миниатюре. Возврат слона и ферзя белых |
Pure logic in miniature. Switchback of White Bishop and Queen

F332 (solution | решение)

Anatoly Stepochkin (Russia)8/5p2/2P2P2/2BK1P2/2QpP2R/3pk1p1/p2p4/qbbB3N

1.Ba3? (2.Qxd4+ Qxd4#) 1...Bb2 2.Bxb2 Bc2 3.Qxd3+ Kxd3 4.Sf2+ gxf2!
1.Bd6! (2.Qxd4+ Qxd4#) 1...Bb2 2.Be5 (3.Qxd4+ Bxd4 4.Bxd4+ Qxd4#) 2...Bc1(a3) 3.Bxg3 Bb2 4.Be5 Bc1(a3) 5.Bd6 Bb2 6.Bc5 Bc1(a3) 7.Ba3 Bb2 8.Bxb2 Bc2 9.Qxd3+! Kxd3 10.Sf2+ Ke3 11.Bxd4+ Qxd4#
F333
Daniele Gatti
SuperProblem, 03-03-2023
k7/1R3RbR/7R/1R2q3/6pR/5ppp/6p1/2RRRRK1
s#9(11+8)
F334
Daniele Gatti
SuperProblem, 19-11-2023
1BR5/8/1P6/4B3/5B2/R4p2/Q1pp1p1p/2krbK2
s#8(8+8)
F335
Daniele Gatti
SuperProblem, 03-03-2023
1B6/B1B5/3B4/8/p1P2B2/Pk3pP1/2Rp1p1p/3QbK2
s#9(11+7)
F333 (solution | решение)

Daniele Gatti (Italy)k7/1R3RbR/7R/1R2q3/6pR/5ppp/6p1/2RRRRK1

1.Ra1+! Qxa1 2.Rxa1+ Bxa1 3.Rh8+ Bxh8 4.Ra1+ Bxa1 5.Rh8+ Bxh8 6.Ra1+ Bxa1 7.Rh8+ Bxh8 8.Rg7 Bxg7 9.Rxg7 f2(h2)#
F334 (solution | решение)

Daniele Gatti (Italy)1BR5/8/1P6/4B3/5B2/R4p2/Q1pp1p1p/2krbK2

1.Bbc7! h1S 2.Qxc2+ Kxc2 3.Bd6+ Kb1 4.Ka2 5.Rb2+ Ka1 6.Rxd2+ Kb1 7.Rb2+ Ka1 8.Ra8+ Ba5#
F335 (solution | решение)

Daniele Gatti (Italy)1B6/B1B5/3B4/8/p1P2B2/Pk3pP1/2Rp1p1p/3QbK2

1.Ba5! h1S! 2.Rxd2+ Kxc4 3.Rd4+ Kb5 4.Qxa4+ Ka6 5.Qc6+ Kxa5 6.Bd2+! Bxd2 7.Bb4+! Bxb4 8.Rd5+ Bc5 9.Re5 Sxg3#
F336
Eugene Fomichev
SuperProblem, 06-03-2023
Rn2k1nR/N6N/3PP3/2PBBP2/2P1KP2/8/8/8
s#7b) Ke8->d8(13+3)
F337
Alexey Gasparyan & Bela Majoros
SuperProblem, 10-03-2023
Rb4N1/4NkpP/4p3/3b3P/4B1K1/3P4/4P3/7R
s#10(10+5)
F338
Alexander Fica
SuperProblem, 17-03-2023
8/4N3/4B3/R2q4/2k5/Q5N1/2KB4/3R4
s#62 sol.(8+2)
F336 (solution | решение)

Eugene Fomichev (Russia)Rn2k1nR/N6N/3PP3/2PBBP2/2P1KP2/8/8/8

a) 1.Bg7! Kd8 2.Ke5! Ke8 3.e7! Kd7 4.Be6+ Ke8 5.d7+ Kxe7 6.Bf6+ Sxf6 7.Sc6+ Sxc6#
b) 1.Bb7! Ke8 2.Kd5! Kd8 3.d7! Ke7 4.Bd6+ Kd8 5.e7+ Kxd7 6.Bc6+ Sxc6 7.Sf6+ Sxf6#

Bohemian dynamic chameleon echo with impure mates and homogeny chameleon echo play in both twins. Free technical pieces (author).

F337 (solution | решение)

Alexey Gasparyan (Armenia) & Bela Majoros (Hungary)Rb4N1/4NkpP/4p3/3b3P/4B1K1/3P4/4P3/7R

1.Bg6+! Kf8 2.Rf1+ Bf3+ 3.Kh3! e5 4.h8B! e4 5.d4 e3 6.h6 gxh6 7.Be5 h5 8.Kh2 h4 9.Kg1 h3 10.Bh8 h2#
F338 (solution | решение)

Alexander Fica (Czech Republic)8/4N3/4B3/R2q4/2k5/Q5N1/2KB4/3R4

1.Kb1! Kd4 2.Bf4+ Kc4 3.Bc1 Qxe6 4.Qa4+ Kc3 5.Se2+ Qxe2 6.Bb2+ Qxb2#, 1...Qe6 2.Qa4 Kd3 3.Bc1 Kc3 4.Se2+ Qe2 5.Qb2+ Qxb2#
1.Be1! Qxe6 2.Ra4+ Kb5 3.Rb4+ Kc5 4.Bf2+ Qe3 5.Rb1+ Kc4 6.Qc3+ Qxc3#
X
F340a
E.Kirillov, V.Kirillov, A.Frolkin, I.Yarmonov
SuperProblem, 25-03-2023		 Solution | Решение

*1...Rxc6+ 2.Kxb3+ Rc4 3.Rxh6 Kb5 4.Ka3 Ka6 5.b5+ Kxb5 6.Rh5+ Ka6 7.Qd7 Kb6 8.Rb5+ Ka6 9.Rb3 Ka5 10.Qa4+ Rxa4#
1.axb3! Rxc6+ 2.Kd5+ Rc4 3.Be7 Kb5 4.Ke6+ Ka6 5.Rd5 h5 6.Kd7 h4 7.Kd8 hxg3 8.Qc6+ Ka7 9.Rd7+ Kb8 10.Qc8+ Rxc8#
8/2Q5/krR2B1p/7R/1PK5/1p1B2PP/PP6/8
8/2Q5/krR2B1p/7R/1PK5/1p1B2PP/PP6/8
s#10*(11+4)
F339
Vladimir Pankov
SuperProblem, 20-03-2023
K7/pP5P/8/5Q2/1B5k/1q6/8/8
s#12(5+3)
F340See also version F339a
E.Kirillov, V.Kirillov, A.Frolkin, I.Yarmonov
SuperProblem, 25-03-2023
8/2Q5/krR3Pp/7R/2K5/1P1B2PP/1P6/8
s#10b) Pb2->f7(10+3)
F341
Vladimir Pankov
SuperProblem, 25-03-2023
1q6/8/8/3Q4/R5R1/8/5k2/3K4
s#10b) Ra4->e4(4+2)
F339 (solution | решение)

Vladimir Pankov (Russia)K7/pP5P/8/5Q2/1B5k/1q6/8/8

1.h8R+ Kg3 2.b8B+ Kg2 3.Rh2+ Kg1 4.Bc5+ Qe3 5.Qg4+ Kf1 6.Qd1+ Qe1 7.Qd3+ Qe2 8.Rh1+ Kg2 9.Qg3+ Kxh1 10.Qh3+ Qh2 11.Qf3+ Qg2 12.Ba7 Qxf3#
F340 (solution | решение)

Evgeny Kirillov, Valery Kirillov (Russia), Andriy Frolkin, Igor Yarmonov (Ukraine)8/2Q5/krR3Pp/7R/2K5/1P1B2PP/1P6/8

a)1.b4! Rxc6 2.Kb3+ Rc4 3.Rxh6 Kb5 4.Ka3 Ka6 5.b5+ Kxb5 6.Rh5+ Ka6 7.Qd7 Kb6 8.Rb5+ Ka6 9.Rb3 Ka5 10.Qa4+ Rxa4#
b)1.f8B! Rxc6+ 2.Kd5+ Rc4 3.Be7 Kb5 4.Ke6+ Ka6 5.Rd5 h5 6.Kd7 h4 7.Kd8 hxg3 8.Qc6+ Ka7 9.Rd7+ Kb8 10.Qc8+ Rxc8#
F341 (solution | решение)

Vladimir Pankov (Russia)1q6/8/8/3Q4/R5R1/8/5k2/3K4

а) 1.Qg2+ Ke3 2.Rge4+ Kd3 3.Qh3+ Qg3 4.Qf1+ Kc3 5.Qc4+ Kb2 6.Qc1+ Kb3 7.Qb1+ Kc3 8.Re3+ Qxe3 9.Qb4+ Kd3 10.Qd2+ Qxd2#
b) 1.Re2+ Kf1 2.Re1+ Kf2 3.Qd4+ Kf3 4.Re3+ Kf2 5.Rb3+ Kf1 6.Qd3+ Kf2 7.Rb2+ Qxb2 8.Qf5+ Ke3 9.Qf4+ Kd3 10.Qd2+ Qxd2#

Ортогонально-диагональная стратегия белых по извлечению чёрного ферзя из убежища при несимметричной эхо-игре построения одного и того же мата (автор).

F342Cooked
Ioannis Kalkavouras
SuperProblem, 08-05-2023
5Q1R/1p1pr3/1P1k4/1P1p4/3P2PP/4PKP1/4P3/8
s#20(11+5)
F343
Dmitry Zhilko
SuperProblem, 12-06-2023
5R2/2p5/2P4B/3N4/1N4p1/4n1P1/3kq1Q1/5R1K
s#5(9+5)
F344
Aleksandr Pankratiev
SuperProblem, 01-07-2023
K7/1R6/k7/r7/6N1/8/Q7/8
s#11(4+2)
F342 (solution | решение)

Ioannis Kalkavouras (Greece) 5Q1R/1p1pr3/1P1k4/1P1p4/3P2PP/4PKP1/4P3/8withdrawal (cooked) | исключается (побочные решения)

1.Rh5! Ke6 2.Re5+ Kd6 3.Rg5! Ke6 4.Qf5+ Kd6 5.Qf6+ Re6 6.Qf8+ Re7 7.h5! Ke6 8.Qf5+ Kd6 9.Qf6+ Re6 10.Qf8+ Re7 11.h6! Ke6 12.Re5+ Kd6 13.Rh5! Ke6 14.Qf5+ Kd6 15.Qf6+ Re6 16.Qf8+ Re7 17.Rh2! Ke6 18.Qf5+ Kd6 19.Qf6+ Re6 20.Rg2! Rxf6#
Cooked: 1.Rh7 Ke6 2.R:e7+ Kd6 3.Rg7+ Ke6 4.Kf2 d6 5.Qg8+ Kf6 6.g5+ Kf5 7.Qc8+ Ke4 8.Ke1 K:e3 9.Re7+ K:d4 10.e3+ Kd3 11.Qc1 d4 12.e4 d5 13.g4 d:e4 14.R:b7 e3 15.Qc6 e2 16.Rf7 Ke3 17.Qc2 d3 18.Qa4 d2#
F343 (solution | решение)

Dmitry Zhilko (Belarus)5R2/2p5/2P4B/3N4/1N4p1/4n1P1/3kq1Q1/5R1K

1.Kh2! zz 1...Qf2 2.Rh1
2...Ke2 3.Sc3+ Kd2 4.Sb1+ Ke2 5.Re8 Qxg2#
2...Qe2 3.Rff1 Qf2 4.Re1 Qe2 5.Qf2 Qxf2#
F344 (solution | решение)

Aleksandr Pankratiev (Russia) K7/1R6/k7/r7/6N1/8/Q7/8

1.Qc4+ Rb5 2.Se5 Ka5 3.Sc6+ Ka6 4.Se7 Ka5 5.Ra7+ Kb6 6.Qd4+ Rc5 7.Qb2+ Rb5 8.Qf2+ Rc5 9.Qd4! Kb5 10.Qa4+ Kb6 11.Sc8+ Rxc8#

Compare to yacpdb/109177 (director)
F345
Aleksandr Pankratiev
SuperProblem, 05-07-2023
8/8/8/8/Q7/1q6/NR2R3/K2k4
s#112 sol.(5+2
F346
Eugene Fomichev & Mikhail Kostylev
SuperProblem, 07-07-2023
B1Q1R3/2R1qk2/2N4K/8/2N5/8/8/B7
s#6(8+2)
F347
Wilfried Neef
SuperProblem, 26-09-2023
5n1b/4N1r1/2p5/3b4/4kPB1/p3PR1P/p3Pp2/K3RN1Q
s#2(11+9)
F345 (solution | решение)

Aleksandr Pankratiev (Russia)8/8/8/8/Q7/1q6/NR2R3/K2k4

1.Sc3+ Kc1 2.Re1+ Qd1 3.Sd5 Q:e1 4.Rc2+ Kd1 5.Ra2+ Kc1 6.Qa3+ Kd1 7.Qb3+ Kc1 8.Qb2+ Kd1 9.Se3+ Q:e3 10.Qc2+ Ke1 11.Qc1+ Q:c1#
1.Qd4+ Qd3 2.Sc3+ Kc1 3.Qg1+ Qd1 4.Qe3+ Qd2 5.Sa2+! Kd1 6.Re1+ Q:e1 7.Rb1+ Kc2 8.Sb4+ Q:b4 9.Rb2+ Kd1 10.Qe2+ Kc1 11.Rb1+ Q:b1#
F346 (solution | решение)

Eugene Fomichev & Mikhail Kostylev (Russia)B1Q1R3/2R1qk2/2N4K/8/2N5/8/8/B7

1.Bh8! zz
1...Qxc7 2.S6e5+ Qxe5 3.Qd7+ Qe7 4.Be4! Qxd7 5.Sd6+ Qxd6 6.Bg6+ Qxg6#
1...Qd7 2.Rf8+ Ke6 3.Sd4+ Ke7 4.Kh7! Qxc7 5.Qe6+ Kxf8 6.Bg7+ Qxg7#

Gravure, aristocrat, echo-mates. (Authors.)

F347 (solution | решение)

Wilfried Neef (Germany)5n1b/4N1r1/2p5/3b4/4kPB1/p3PR1P/p3Pp2/K3RN1Q

1.Bh5! - 2.Sg3+ Rxg3# / 2.Rxf2+ Rg2#
1...fxe1S 2.Sg3+ Rxg3#
1...fxe1B 2.Rf2+ Rg2#
1...Sg6 2.Bxg6+ Rxg6#
F348
Wilfried Neef
SuperProblem, 26-09-2023
1k3N2/4p1R1/Q3P2P/1p6/1P6/4B1Np/7p/7K
s#7(9+5)
F349
Wilfried Neef
SuperProblem, 26-09-2023
6BK/p6P/8/8/8/B1Q5/1b1N4/k7
s#14(6+3)
F350
Jozef Holubeс
SuperProblem, 26-09-2023
2Qbk3/6P1/5B2/8/1P6/8/6P1/K7
s#16(6+2)
F348 (solution | решение)

Wilfried Neef (Germany)1k3N2/4p1R1/Q3P2P/1p6/1P6/4B1Np/7p/7K

1.Sh5! Kc7 2.Qa8 Kd6 3.Qb7 Ke5 4.Qc6 Kf5 5.Sg6 Kg4 6.Sg3 Kg3 7.Qxg2+ hxg2#
F349 (solution | решение)

Wilfried Neef (Germany)6BK/p6P/8/8/8/B1Q5/1b1N4/k7

1.Qd4! Bc3 2.Bc1 Bb2 3.Qc3 a6 4.Qd4 Bc3 5.Ba3 Bb2 6.Qc3 a5 7.Qd4 Bc3 8.Bc1 Bb2 9.Qc3 a4 10.Qd4 a3 11.Qc3 a2 12.Qd4 Bc3 13.Ba3 Bb2 14.Qc3 Bxc3#
F350 (solution | решение)

Jozef Holubeс (Slovakia)2Qbk3/6P1/5B2/8/1P6/8/6P1/K7

1.g8B Kf8 2.Ba2 Ke8 3.g4 Kf8 4.g5 Ke8 5.g6 Kf8 6.g7+ Ke8 7.g8B Kf8 8.Bh7 Ke8 9.Bg6+ Kf8 10.Bd4 Ke7 11.Bc5+ Kf6 12.Qf5+ Kg7 13.Bf8+ Kh8 14.Qe5+ Bf6 15.Bgb1 Bg7 16.Qf6 Bxf6#
F351
Mirko Degenkolbe
SuperProblem, 01-10-2023
8/p7/p7/8/3Q4/Pk6/1p6/1K6
s#9(3+4)
F352
Mirko Degenkolbe
SuperProblem, 01-10-2023
8/p7/2N5/8/8/k1p5/rpQ5/1K6
s#10(3+5)
F353
Mirko Degenkolbe
SuperProblem, 01-10-2023
5B2/8/8/p2Q4/8/8/p1k5/Kb6
s#11(3+4)
F351 (solution | решение)

Mirko Degenkolbe (Germany)8/p7/p7/8/3Q4/Pk6/1p6/1K6

1.Qd3+ Ka4 2.Qxa6+ Kb3 3.Qc6 Kxa3(a6) 4.Qb5(Qc2+) a6(Kxa3) 5.Qc4 a5 6.Qb5 a4 7.Qa5 Kb3 8.Qc5 a3 9.Qd4 a2#

The white queen enters nine different squares in the course of the solution. Rundlauf. Returns. Miniature. (Author).

F352 (solution | решение)

Mirko Degenkolbe (Germany)8/p7/2N5/8/8/k1p5/rpQ5/1K6

1.Qxc3+ Ka4 2.Qc4+ Ka3 3.Qc2 a5 4.Qc3+ Ka4 5.Qxa5+ Kb3 6.Qd5+ Kc3 7.Qd4+ Kb3 8.Qd3+ Ka4 9.Qc4+ Ka3 10.Qc2 Ra1#

2x Rundlauf of the black king and the white queen (author).

F353 (solution | решение)

Mirko Degenkolbe (Germany)5B2/8/8/p2Q4/8/8/p1k5/Kb6

1.Bg7! Kc1 2.Bb2+ Kc2 3.Qd7! Kb3 4.Qb5 Kc2 5.Qd5 a4 6.Qd7 Kb3 7.Qb5 Kc2 8.Qd5 a3 9.Qd7 Kb3 10.Qb5 Kc2 11.Qd5 axb2#

Choice key. 3x Rundlauf of the white queen in the miniature. One could also place the wBf8 after h6 in the starting position, then the task would also be C+. Then you would have a take-and-give key, but no seduction (author).

F354
Bela Majoros
SuperProblem, 05-10-2023
8/3p4/8/8/R2Pp3/1P1kP3/1P1p1P2/3K4
s#5(7+4)
F355
Mikhail Khramtsevic
SuperProblem, 07-11-2023
3q1n2/3bp3/2p1P2B/p1P1Kp1N/rpQ2pp1/p3k1nR/R6b/4N1r1
s#4(9+16)
F356
Aleksandr Pankratiev
SuperProblem, 11-11-2023
5N2/p2Q3p/p1PR4/1pK1k1Pp/1P1rpR1b/2B1P1q1/3P1N2/8
s#4(12+10)
F354 (solution | решение)

Bela Majoros (Hungary)8/3p4/8/8/R2Pp3/1P1kP3/1P1p1P2/3K4

1.Rc4? d5!
1.Rb4! d6 2.Ra4 d5 3.Rc4 dxc4 4.b4 c3 5.b3 c2#
F355 (solution | решение)

Mikhail Khramtsevic (Belarus) 3q1n2/3bp3/2p1P2B/p1P1Kp1N/rpQ2pp1/p3k1nR/R6b/4N1r1

1.Sg7! - 2.Qc3+ bxc3 3.Bxf4+ Rxf4 4.Sxf5+ Rxf5#
1...b3 2.Qd4+ (A) Rxd4 3.Bxf4+ (B) Rxf4 4.Sxf5+ (C) Rxf5#
1...gxh3 2.Sxf5+ (C) Sxf5 3.Qd4+ (A) Sxd4 4.Bxf4+ (B) Bxf4#
1...Sxe6 2.Bxf4+ (B) Sxf4 3.Sxf5+ (C) Bxf5 4.Qd4+ (A) Qxd4#
 (1...Rxe1 2.Sxf5+ Kf3+ 3.Qe4+ Rxe4#)

Полный цикл 2-ого, 3-его и 4-ого ходов белых реализован с вскрытием линий черных дальнобойных фигур (автор). |
Full cycle of 2nd, 3rd and 4th White moves with line-openings of Black linear pieces. (author.)

F356 (solution | решение)

Aleksandr Pankratiev (Russia)5N2/p2Q3p/p1PR4/1pK1k1Pp/1P1rpR1b/2B1P1q1/3P1N2/8

1.Rdf6! - 2.Sd3+ exd3 3.Re4+ Kxe4 4.Qd5+ Rxd5#
1...Qxf2 2.R4f5+ Qxf5 3.Re6+ Qxe6 4.Qd5+ Qxd5#
1...Qxg5 2.R6f5+ Qxf5 3.Qe7+ Qe6 4.Qd6+ Qxd6#
1...Bxg5 2.Sg6+ hxg6 3.R6f5+ gxf5 4.Qe7+ Bxe7#
F357
Sergey Smotrov
SuperProblem, 15-11-2023
8/4p1r1/KR6/8/2kBQ3/p7/rpNp1P2/2b5
s#17(6+8)
F358dedicated to E. Fomichev
Mikhail Kostylev
SuperProblem, 22-11-2023
K1BB4/1p3qQp/1Pk5/PR1R4/P1NP4/2P5/6P1/8
s#10(13+4)
F359
Victor Volchek
SuperProblem, 28-11-2023
8/6P1/p6R/p1P2RQ1/BpK1k1P1/1P6/3P2P1/6Nq
s#3(12+5)
F357 (solution | решение)

Sergey Smotrov (Kazakhstan)8/4p1r1/KR6/8/2kBQ3/p7/rpNp1P2/2b5

Main Plan: 1.Sxa3+? Rxa3+ 2.Kb7!
1.Bc5+? Kc3? 2.Bb4+ Kb3 3.Bxe7+ Kc3 4.Bb4+ Kb3 5.Bc5+ Kc3 6.Bd4+ Kc4 7.Sxa3+ Rxa3#, but 1...Kxc5!
1.Be3+ Kc3 2.Rc6+ Kb3 3.Sd4+ K~ 4.Se6+ Kb3 5.Rb6+ Kc3 6.Bd4+ Kc4 7.Bc5+! Kc3 8.Bb4+ Kb3 9.B×e7+! Kc3 10.Rc6+ Kb3 11.Sd4+ Ka4 12.Sc2+ Kb3 13.Rb6+ Kc3 14.Bb4+ Kb3 15.Bc5+ Kc3 16.Bd4+ Kc4 and Main Plan 17.Sxa3+ Rxa3#

Returns of white pieces. Logic capture Pe7. Active blocking Rb6 (author)|

Возвраты белых фигур. Логическое взятие пешки е7. Активное блокирование ладьей b6 (автор)

F358 (solution | решение)

Mikhail Kostylev (Russia)K1BB4/1p3qQp/1Pk5/PR1R4/P1NP4/2P5/6P1/8

White's plan: 1.Bxb7+? Qxb7#?? is refuted by 2.Qxb7#
1.Sd2! - 2.Rd6+ Kxd6 3.Se4+ Kc6 4.d5+ Qxd5 5.Qd7+ Qxd7 6.Bxb7+ Qxb7#
1...Qxd5 2.Qxb7+ Kd6 3.Sc4+ Qxc4 4.Qe7+ Kc6 5.Qe8+ Kd6 6.Bc7+ Qxc7 7.Qe5+ Kc6 8.Qe4+ Kd6 9.Rd5+ Kc6 10.Bb7+ Qb7# (mm)
1...Qf2 2.Re5! Qg1 3.d5+ Kd6 4.Qf8+ Kxe5 5.d6+ Qc5 6.Qf5+ Kxd6 7.Se4+ Kc6 8.Qe6+ Qd6 9.Qd7+ Qxd7 10.Bxb7+ Qxb7# (mm)

A logical composition with two variations and a free black queen. The Berlin theme (author).

F359 (solution | решение)

Victor Volchek (Belarus)8/6P1/p6R/p1P2RQ1/BpK1k1P1/1P6/3P2P1/6Nq

*1...Qxg1(h6) 2.Qe3+ Qxe3 3.d3+ Qxd3#
1.Rf8? (1.Rf7?, 1.Rf1?) zz
1...Qxg1 2.Qg6+ Ke5 3.d4+ Qxd4#
1...Qxh6 2.Bc6+ Qxc6 3.Qd5+ Qxd5#
1...Qh4 2.Qe7+ Qxe7 3.Re6+ Qxe6#
1...Qh2 2.Re6+ Qe5 3.Qh4! Qxe6#, 1...Qxg2!
1.Rf2! zz
1...Qxg1 2.Re2+ Qe3 3.d4! zz Qxe2#
1...Qh2 2.Re6+ Qe5 3.Qh4! zz Qxe6#
 Самосвязывание черного ферзя с оттянутой жертвой белой фигуры и мотивами цугцванга | Selfpinning of bQ with delayed sacrifice of white piece and zz-motifs
1...Qxh6 2.Bc6+ Qxc6 3.Qd5+ Qxd5#
1...Qh4 2.Qe7+ Qxe7 3.Re6+ Qxe6#
Жертва белой фигуры вторым ходом с привлечением черного ферзя на матовое поля | Sacrifices of white piece on 2nd move with attraction of bQ on mating move
1...Qxg2 2.Re2+ Qxe2+ 3.d3+ Qxd3#

Дуэль черного ферзя с белыми фигурами. Выбор вступления (автор) | Duel between bQ and white pieces.

F360
Viktor Zheglov
SuperProblem, 29-11-2023
2K5/2R5/3k4/1R2r3/5Q2/1N6/8/8
s#7(5+2)
F361
Viktor Zheglov
SuperProblem, 29-11-2023
8/5R2/3k4/3nN3/3QK3/7N/8/8
s#23*(5+2)
F362
Viktor Zheglov
SuperProblem, 29-11-2023
n7/3Q4/8/k7/8/2N5/2K2R2/4R3
s#17(5+2)
F360 (solution | решение)

Viktor Zheglov (Russia)2K5/2R5/3k4/1R2r3/5Q2/1N6/8/8

*1...Ke6 2.Sd4+ Kd6 3.Sf5+ Ke6 4.Sg7+ Kd6 5.Rbb7 Kd5 6.Qc4+ Kd6 7.Se8+ Rxe8#
1.Rcb7? Kc6 2.Sa5+ Kd6 3.Ra7 Ke6 4.Qf7+ Kd6 5.Sc4+ Kc6 6.Qe8+ Rxe8#, 1...Ke6!
1.Re7? Kc6 2.Sd4+ Kd6 3.Qf6+ Re6 4.Qf7 Rxe7 5.Qg6+ Re6 6.Sf5+ Kc6 7.Qe8+ Rxe8#, 4...R ~ 5. Re6+ Rxe6 6.Sf5+ Kc6 7.Qe8+ Rxe8#, 1...Kxe7!
1.Kd8! Ke6 2.Re7+ Kd6 3.Rf7 R ~ 4.Sd4+ Kd6 5.Qh6+ Re6 6.Rf6 Rxf6 7.Qf8+ Rxf8
F361 (solution | решение)

Viktor Zheglov (Russia)8/5R2/3k4/3nN3/3QK3/7N/8/8

*1...Ke6 2.Sg5+ Kd6 3.Qd2! Kc5 4.Qa5+ Kd6 5.Qa3+ Sb4 6.Rg7! Kc5 7.Qa5+ Kd6 8.Qb6+ Sc6 9.Rg8! Ke7 10.Qc7+ Kf6 11.Sd7+ Ke7 12.Rg7+ Ke8 13.Qc8+ Sd8 14.Sf6+ Kf8 15.Sh5 Ke8 16.Kf5 Kf8 17.Kg6 Ke8 18.Kh6 Kf8 19.Qc5+ Ke8 20.Re7+ Kf8 21.Re6+ Kg8 22.Rg6+ Kh8 23.Sf7+ Sxf7#
1.Kf3! Ke6 2.Sg5+ Kd6 3.Se4+! Ke6 4.Sc5+ Kd6 5.Scd3! Ke6 6.Qc4! Kd6 7.Rd7+ Ke6 8.Kg4 Kf6 9.Rf7+ Ke6 10.Kh3 Kd6 11.Rd7+ Ke6 12.Qg4+ Kf6 13.Rd6+ Ke7 14.Qe6+ Kf8 15.Rd8+ Kg7 16.Rg8+ Kh7 17.Qf7+ Kh6 18.Rg6+ Kh5 19.Rg3+ Kh6 20.Sg4+ Kg5 21.Sh2+ Kh6 22.Qg7+ Kh5 23.Sf4+ Sxf4#
F362 (solution | решение)

Viktor Zheglov (Russia)n7/3Q4/8/k7/8/2N5/2K2R2/4R3

1.Rf5+!
1...Ka6 2.Ra1+ Kb6 3.Sa4+ Ka6 4.Sb2+ Kb6 5.Rf6+ Kc5 6.Sd3+ Kc4 7.Rc6+ Kb5 8.Rc3+ Kb6 9.Kb1 Sc7 10.Rb3+ Sb5 11.Sb2 Kc5 12.Sa4+ Kc4 13.Qe6+ Kd4 14.Rb4+ Kd3 15.Qe4+ Kd2 16.Rb2+ Kd1 17 Sc3+ Sxc3#
1...Kb6 2.Rb5+ Ka6 3.Re6+ Sb6 4.Rb1 Ka5 5.Qc7 Ka6 6.Kb2 Ka5 7.Ka1 Ka6 8.Sb5! Ka5 9.Re5! Ka6/Ka4 10.Qc6/Qc2+ Ka5 11.Sc7+ Sd5 12.Qc5+ Ka4 13.Re4+ Sb4 14.Se6 Ka3 15.Sd4 Ka4 16.Qb4+ Ka3 17.Sc2+ Sxc2#
1...Kb4 2.Qd6+ Kc4 3.Sb1 Sb6 4.Qd3+ Kb4 5.Qe4+ Sc4 6.Rd1 Ka4 7.Qc6+ Kb4 8.Rb5+ Ka4 9.Qa6+ Sa5 10.Sd2! Ka3 11.Rb2 Ka4 12.Kc1 Ka3 13.Qd6+ Ka4 14.Rb4+ Ka3 15.Rc4+ Ka2 16.Rc2+ Ka1 17.Sb3+ Sxb3#
 (3...Sc7 4.Rf4+ Kb5 5.Sa3+ Ka5 6.Sc4+ Ka4 7.Ra1+ Kb5 8. Rb1+ Ka4 9.Qc6+ Sb5 10. Kb2 Kb4 11.Qb6 Ka4 12.Se3+ Sd4 13.Ka1 Ka3 14.Qc5, Qb2+ Ka4 15.Qb5+ Ka3 16.Sc2+ Sxc2#)

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