Selfmates - SuperProblem 2022 Informal Tourney - Самоматы


AWARD | ИТОГИ

F294
Anatoly Stepochkin
SuperProblem, 02-01-2022
3n4/1r3B2/1bp3Pn/qpp1Q3/bpp1PPp1/1k1NP3/R4N2/1K6
s#12(10+13)
F295
Ivan Brjukhanov
SuperProblem, 05-01-2022
8/8/1p6/1B6/p7/1k6/2RB4/RK6
s#6b) - Rc2(5+3)
F296
Gennady Kozura & Ivan Soroka
SuperProblem, 07-01-2022
8/1p6/8/8/B4P1N/1p3p1p/1P1K1Q1p/1N3Rnk
s#14(8+7)
F294 (solution | решение)

Anatoly Stepochkin (Russia)3n4/1r3B2/1bp3Pn/qpp1Q3/bpp1PPp1/1k1NP3/R4N2/1K6

1.Qd4? S(R)xf7!
1.Qe8! (~ 2.Sc1+ Kc3 3.Rc2+ Bxc2#) Kc3 2.Qh8+ Kb3 3.g7 Kc3 4.g8=R+! Kb3 5.Rg7 Kc3 6.Rg5+ Kb3 7.Re5 Kc3 8.Rxc5+ Kb3 9.Qd4 ~ 10.Qxc4+! bxc4 11.Sc1+ Kc3 12.Rc2+ Bxc2#
F295 (solution | решение)

Ivan Brjukhanov (Ukraine)8/8/1p6/1B6/p7/1k6/2RB4/RK6

a) 1.Raa2! a3 2.Rc5 bxc5 3.Be1 c4 4.Ba5 c3 5.Ka1 c2 6.Rb2+ axb2#
b) 1.Ra3+! Kxa3 2.Bc4 b5 3.Ba2 b4 4.Ka1 b3 5.Bb1 b2#

Комментарий

F296 (solution | решение)

Gennady Kozura and Ivan Soroka (Ukraine)8/1p6/8/8/B4P1N/1p3p1p/1P1K1Q1p/1N3Rnk

План – B->c6, R->c1->с2, K->с1, S->d2, Q->e2, Sxe2#
1.Bb5! b6 2.Bc6 b5 3.Rc1 b4 4.Kd1 Se2 5.Qe1+ Sg1 6.Sf5 Kg2 7.Se3+ Kh1 8.Sg4 Kg2 9.Qf2+ Kh1 10.Sd2 Se2 11.Qf1+ Sg1 12.Rc2 bxc2+ 13.Kc1 b3 14.Qe2 Sxe2# (ММ)

Задача-загадка популярного жанра с элементами логики. Развязывая черного коня, белые выигрывают темпы. Трижды черный конь ходит на Se2. Все белые и черные фигуры двигаются. Московский материал (авторы)

F297
Daniele Gatti
SuperProblem, 09-01-2022
1R4n1/3p4/p1pP4/PnB5/K5QN/Pp6/bPp3P1/2RrbkN1
s#11(12+11)
F298
Daniele Gatti
SuperProblem, 09-01-2022
7Q/8/7N/7P/5p1p/1K2prbp/p2pPp1p/1k1N1nqn
s#10(6+14)
F299
Daniele Gatti
SuperProblem, 09-01-2022
b1R3B1/1R1r4/qBB1B3/5BP1/3Q1N2/2pB4/p1p1N1Pk/2K5
s#11(14+7)
F297 (solution | решение)

Daniele Gatti (Italy)1R4n1/3p4/p1pP4/PnB5/K5QN/Pp6/bPp3P1/2RrbkN1

1.Qc4+! Rd3 2.Rf8+ Sf6 3.Qxb5 Bb1 4.g3 Ba2 5.g4 Bb1 6.g5 Ba2 7.g6 Bb1 8.g7 Ba2 9.g8=B Bb1 10.Bxb3 Ba2 11.Bxa2 axb5(cxb5)#
F298 (solution | решение)

Daniele Gatti (Italy)7Q/8/7N/7P/5p1p/1K2prbp/p2pPp1p/1k1N1nqn

1.Qa1+ Kxa1 2.Kc2 Qg2 3.Sg4 Qg1 4.h6 Qg2 5.h7 Qg1 6.h8=R Qg2 7.Rb8 Qg1 8.Kd3 Qg2 9.Ke4 Qg1 10.Kxf3 Qg2#
F299 (solution | решение)

Daniele Gatti (Italy)b1R3B1/1R1r4/qBB1B3/5BP1/3Q1N2/2pB4/p1p1N1Pk/2K5

1.Qh8+! [thematic] Clears the diagonal for wBb6
1. ...Rh7 [thematic] Clears 7th rank for wRb7 2.Bg1+ [thematic] Clears 6th rank for bQa6
2. ...Kh1 3.g3+! [thematic] (3.g4+?) [thematic] Opens diagonal for wBc6. "Festina Lente" move
3. ...Qxc6 4.Bd5+ [thematic] Opens the diagonal for wBg8
4. ...Qxd5 5.Bfe4+ [thematic] Clears the diagonal for bQe4
5. ...Qxe4 [thematic] Opens the diagonal for wBd3
6.Rxh7+ [thematic] Clears the diagonal for bBa8
6. ...Qxh7 [thematic] Clears the diagonal for wBd3
7.Bd5+ [thematic] Opens 8th rank for wRc8
7. ...Bxd5 8.Be4+ [thematic] Clears the diagonal for future control of c2
8. ...Bxe4 9.Qxh7+ [thematic] Clears h8 square rank for wRc8
9. ...Bxh7 10.Rh8 [zugzwang]
10. ...a1=S 11.g4! [zugzwang] Sb3#
11. ...a1=B 11.g4! [zugzwang] Bb2#
F300
Jozef Holubec
SuperProblem, 20-01-2022
KB6/P7/8/1N6/3P4/3N4/P3R1p1/6kb
s#12 b) Re2->f2(8+3)
F301
Alexander Fica & Jiří Jelínek
SuperProblem, 25-01-2022
2R3N1/P2kP3/p2n2P1/2Q5/3R2r1/3NKP1B/4P3/7n
s#5(12+5)
F302
Alexander Fica & Jiří Jelínek
SuperProblem, 25-01-2022
8/2Q5/PP1rP3/4kNB1/p1p1nNP1/8/P7/KR1BR3
s#5b) wK->c2, c) wK->b5 s#4(13+5)
F300 (solution | решение)

Jozef Holubec (Slovakia)KB6/P7/8/1N6/3P4/3N4/P3R1p1/6kb

a) 1.Bg3 Kf1 2.Rf2+ Kg1 3.Bh4 Kh2 4.Sf4 Kg1 5.d5 Kh2 6.d6 Kg1 7.d7 Kh2 8.d8=B Kg1 9.Bc7 Kh2 10.Rb2 Kg1 11.Se2+ Kf1 12.Bb8 g1~#;
b) 1.Rf4 Kh2 2.Rf3+ Kg1 3.Sd6 Kh2 4.Se4+ Kg1 5.Sf4 Kh2 6.Rf2 Kg1 7.d5 Kh2 8.Rd2 Kg1 9.Sd3 Kf1 10.Sg3+ Kg1 11.Se2+ Kf1 12.d6 g1~#.
F301 (solution | решение)

Alexander Fica and Jiří Jelínek (Czechia)2R3N1/P2kP3/p2n2P1/2Q5/3R2r1/3NKP1B/4P3/7n

1.a8=Q Sf2(Sg3) 2.Qac6+ Ke6 3.Re4+ Sxe4 4.Qd7+ Kxd7 5.Qf5+ Sxf5#
1... a5 2.Qb5+ Ke6 3.Qe5+ Kd7 4.Qa7+ Kxc8 5.Rc4+ Sxc4# (1.- Ke6 2.Qe5+ etc.)

Two original model mates in the middle of the board, repeated sacrifices of the wRd4 (authors)

F302 (solution | решение)

Alexander Fica and Jiří Jelínek (Czechia)8/2Q5/PP1rP3/4kNB1/p1p1nNP1/8/P7/KR1BR3

a) 1.Rb2 a3/c3 2.Qc5+ Rd5 3.Rxe4+ Kxe4 4.Re2+ Kf3 5.Re5+ Rxd1#
b) 1.a7 a3/c3 2.a8Q c3/a3 3.Qc5+ Rd5 4.Qaa5 Rxc5 5.Qxc3+ Rxc3#
c) 1.Bxa4 c3 2.Qxc3+ Rd4 3.Qc5+ Rd5 4.Rb4 Rxc5#

Three model mates thanks to changed positions of the white King (authors)

F303
Mikhail Kostylev
SuperProblem, 27-02-2022
7Q/8/4B3/B3R3/PP6/rP6/3N4/k1KR4
s#9(10+2)
F304
Miodrag Mladenović
SuperProblem, 18-03-2022
b3R2n/3p4/pB1pPp2/1p1k3p/1PNNnp2/2PKpB2/2P1P3/8
s#4vv(11+12)
F305
Miodrag Mladenović
SuperProblem, 18-03-2022
r2R4/Qp1B4/1R6/4p3/N2kP3/pPp2Pp1/r1b1P1pp/1nB1K1bq
s#3*(11+14)
F303 (solution | решение)

Mikhail Kostylev (Russia)7Q/8/4B3/B3R3/PP6/rP6/3N4/k1KR4

Главный план белых Bc3+ Rxc3#, но мешают Pb3 и Pb4.
1.Re2+! Ka2 2.b5! (zz) Rxa4 3.Sc4+ (вот почему ладья первым ходом пошла на e2) Kxb3.
В результате первого предварительного плана Pb4 ушла, предоставив Ba5 возможность хода на с3, а Pb3 аннигилирована.
Вторым предварительным планом возвращаем фигуры на исходную позицию.
4.Re3+ Ka2 5.Ra3+ Rxa3 6.Sd2+ Rb3 7.Qf8! Ka1 8.Qa3+ Rxa3
и наконец главный план 9.Bc3+ Rxc3# (MM) (автор)
F304 (solution | решение)

Miodrag Mladenović (Serbia)b3R2n/3p4/pB1pPp2/1p1k3p/1PNNnp2/2PKpB2/2P1P3/8

1.Ne5? - 2.Nxd7 but 1...dxe5 2.Bc7 exd4 3.c4+ Kc6!
1.B~? - 2.Nb6+ Ke5 3.Nxd7+ Kd5 4.c4+ bxc4#
but 1...Bc6! 2.Ne5 a5!
1.Ba5! - 2.Nb6+ Ke5 3.Nxd7+ Kd5 4.c4+ bxc4#
1...Bc6 2.Ne5 zz
2...Kxe5 3.exd7+ Kd5 4.c4+ bxc4#
2...dxe5 3.Bc7 ~ 4.c4+ bxc4#
2...dxe6 3.N5xc6 ~ 3.c4+ bxc4#
2...B~ 3.Nxd7 ~ 3.c4+ bxc4#
2...Nf7 3.Nxf7 ~ 3.c4+ bxc4#
2...Ng6 3.Nxg6 ~ 3.c4+ bxc4#
2...h4 3.Ng4 ~ 3.c4+ bxc4#
2...f5 3.Nc4 ~ 3.Bxe4+ fxe4#

Logical problem. White bishop correction (author)

F305 (solution | решение)

Miodrag Mladenović (Serbia)r2R4/Qp1B4/1R6/4p3/N2kP3/pPp2Pp1/r1b1P1pp/1nB1K1bq

1...Bxb3(a) 2.Rd6++(A) Kc4 3.Qc5+ Bxc5#
1...Bxe4(b) 2.Rb4++(B) Kd5 3.Qc5+ Bxc5#
1.Nc5! - 2.Bc8+ Kxc5 3. Be3+ Bxe3#
1...Bxb3(a) 2.Rb4+(B) Bc4 3.e3+ Bxe3#
1...Bxe4(b) 2.Rd6+ Bd5 3.e3+ Bxe3#
1...Rxd8 2.Qa4+ Kxc5 3.Be3+ Bxe3#
1...Nd2 2.Ne6+ Ke3 3.Bxd2+ cxd2#

Reciprocally changed white 2nd moves between set and actual play. Flight giving key (author)

F306
Frank Richter
SuperProblem, 18-04-2022
7b/4pp2/pp3P1q/r1Q2Kpr/p5p1/1P1k1nRb/2N1Nnp1/1RB2B2
s#2(10+16)
F307Dedicated to Jiri Jelinek - 70
Gennady Kozura
SuperProblem, 05-05-2022
6R1/8/Np6/P7/3P2p1/1P2Q1P1/pp1R3K/rrk5
s#8 b) Kh2->h1(9+7)
F308
Evgeny Fomichov & Anatoly Skripnik
SuperProblem, 12-05-2022
8/7N/8/3P1P1p/3Qbk1N/4p1pK/4B1p1/6B1
s#9(8+6)
F306 (solution | решение)

Frank Richter (Germany)7b/4pp2/pp3P1q/r1Q2Kpr/p5p1/1P1k1nRb/2N1Nnp1/1RB2B2

1.Rb2! (2.Qd5+ Rxd5#)
1... b5 2.Qc4+ bxc4#
1... bxc5 2.Sb4+ cxb4#
1... e5 2.Qd4+ exd4#
1... Bxf6 2.Rxf3+ gxf3#
1... gxf1~ 2.Sf4+ gxf4#
(1.Sa1? bxc5!)

5 different black pawn batteries – task (author)

F307 (solution | решение)

Gennady Kozura (Ukraine) dedicated to Jiri Jelinek - 706R1/8/Np6/P7/3P2p1/1P2Q1P1/pp1R3K/rrk5

a) 1.b4! ba4 2.b5 a4 3.Sb4 a3 4.Sxa2+ Rxa2 5.Rxb2+ Kd1 6.Qe2+ Kc1 7.Qe1+ Kxb2 8.Qc3+ Kxc3#
    1... b5 2.Rg2+ Kd1 3.Rc8 Rc1 4.Qd3+ Ke1 5.Rg1+ Kf2 6.Rc2+ Rxc2 7.Rf1+ Rxf1 8.Qe3+ Kxe3#
b) 1.Rh8! bxa4 2.Qg5 a4 3.Sb4 ~ 4.Rg2+ Kd1 5.Rg1+ Ke2 6.Rh2+ Kf3 7.Qe5 ~ 8.Rxf1+ Rxf1#
    1... b5 2.Kg1 b4 3.Rdh2+ Kd1 4.Sb4 Rc1 5.Qd3+ Ke1 6.Sc2+ Rxc2 7.Re8+ Re2 8.Qd2+ Kxd2#

Перемена. Два мата правильных, два неправильных (автор)

F308 (solution | решение)

Evgeny Fomichov and Anatoly Skripnik (Russia)8/7N/8/3P1P1p/3Qbk1N/4p1pK/4B1p1/6B1

Main plan is 1.Bg4 hg4#, but Black has tempo move 1…e2!
1.Qxe3+?! Ke5 2.Bb5! Kd6! 3.Qc5+ Ke5 4.Qc7+ Kxd5 5.Qd7+ Ke5 6.Bd4+ Kf4 7.Qg4+?? hxg4# Diagonal c8-h3 is closed by wPf5.
Therefore in first this Pawn will be terminated: 1.Sg6+! Kxf5 2.Sh4+ (SB) Kf4, and only now 3.Qxe3+! Ke5 4.Bb5! Kd6! 5.Qc5+ Ke5 6.Qc7+ Kxd5 7.Qd7+ Ke5 8.Bd4+ Kf4 9.Qg4+ hxg4# model, with changed sacrificed piece (B->Q).

New German selfmate with change of main plan. Moscow material (authors)

F309
Anatoly Stepochkin
SuperProblem, 15-05-2022
5N2/8/4p3/6Q1/8/3N3k/7p/7K
s#8*block-problem(4+3)
F310
Anatoly Stepochkin
SuperProblem, 15-05-2022
8/7N/8/8/4Q3/4B1pk/8/7K
s#9(4+2)
F311
James Malcom
SuperProblem, 28-05-2022
5br1/3Qnkr1/5n1K/3P3P/3pPR2/5P2/pppppppB/6N1
s#15(9+14)
F309 (solution | решение)

Anatoly Stepochkin (Russia)5N2/8/4p3/6Q1/8/3N3k/7p/7K

1...e5 2.Sf4+ exf4 3.Sg6 f3 4.Qg2+ fxg2#
1.Qg6! Kh4(e5) 2.Sf2 e5(Kh4) 3.Se4 Kh3 4.Se6 Kh4 5.Sf4! exf4 6.Sd6 Kh3(f3) 7.Sf5 f3(Kh3) 8.Qg2+ fxg2#

Блок с «тихими» ходами в решении и переменой функций белых коней (автор)

F310 (solution | решение)

Anatoly Stepochkin (Russia)8/7N/8/8/4Q3/4B1pk/8/7K

1.Bg1? g2#??
1.Qf3! Kh4 2.Bg5+ Kh3 3.Bd2 Kh4 4.Be1 Kh3 5.Sf6 Kh4 6.Qe3 Kh3 7.Bf2 Kh3 8.Qf4+ Kh3 9.Bg1 g2#

Compare to | сравните с: P1015832 (director)

F311 (solution | решение)

James Malcom (USA)5br1/3Qnkr1/5n1K/3P3P/3pPR2/5P2/pppppppB/6N1

1.Sh3! g1=R 2.Bxg1 fxg1=R 3.Sxg1 e1R 4.Sh3 Reg1 5.Sxg1 d1=R 6.Sh3 Rdg1 7.Sxg1 c1=R 8.Sh3 Rcg1 9.Sxg1 b1=R 10.Sh3 Rbg1 11.Sxg1 a1=R 12.Sh3 Rag1 13.Sxg1 d3 14.Sh3 d2 15.Sg5+ Rxg5#

I submit this original, as per the subject line. It is a new record task of 7 Black rook promotions in a selfmate. Thus, it overtakes Grigory Popov's previous record of 6.

Olaf Jenker kindly C+ it with Gustav 4.2b Brute Force, "only full length variations" (author)

F312Dedicated to Russian yang solvers
Andrey Selivanov
SuperProblem, 11-06-2022
3BKR2/QPP1PP2/3k4/1R5n/b4N2/1p6/5N2/7q
s#3(11+5)
F313
Alexey Oganesjan
SuperProblem, 26-06-2022
k5bR/p1P1N2p/P1rP2pr/6Pp/pNp2p1P/5B2/1p6/1K6
s#3(10+12)
F314
Aleksandr Kuzovkov
SuperProblem, 28-06-2022
n3N1B1/Bb1pQ3/2p1n1N1/1P1k2pR/3p1pP1/p2P1K2/q2r4/8
s#3(10+12)
F312 (solution | решение)

Andrey Selivanov (Russia) Посвящается участникам учебно-тренировочных сборов по шахматной композиции3BKR2/QPP1PP2/3k4/1R5n/b4N2/1p6/5N2/7q

1...Qh3 2.Qd4+ Kc6 3.Qd7+ Qxd7#
1...Sxf4 2.Qc5+ Ke6 3.Qc6+ Qxc6#
1.Qb8! - 2.c8S+! Kc6 3.Rc5+ Kxc5#
1...Kc6 2.c8=Q+! Kxb5 3.Qc4+ Kxc4#
1...Sxf4 2.c8=R+! Ke6 3.Rc6+ Qxc6#
1...Qd5 2.c8=B+! Kc6 3.Bd7+ Qxd7#
1...Qc1 2.Se=4+! Kc6 3.Rb6+ Kxb6#

Dentiste, Batterie de Siers, Echo diagonal-orthogonal, Anderssen noir Diclouage indirect, Ceriani-Frolkin AUW (author)

F313 (solution | решение)

Alexey Oganesjan (Russia)k5bR/p1P1N2p/P1rP2pr/6Pp/pNp2p1P/5B2/1p6/1K6

1.Sexc6? (A) zz 1...c3 (a) 2.Sc2 a3 3.d7 (C) a2#, 1...a3! (b)
1.Sxg8? (B) zz 1...a3 (b) 2.Sa2 c3 3.d7 (C) c2#, 1...c3! (a)
1.d7! (C) zz
1...c3 (a) 2.Sc2 a3 3.Sxc6 (A) a2#
1...a3 (b) 2.Sa2 c3 3.Sxg8 (B) c2#

Hofmann theme with a choice of White moves’ order. A choice of White tempo-move. Sometimes in #2-N a cleansing is used — among several moves, that don’t prevent a mate, the Black choose a capture of unnecessary White piece in order to the mate becomes a pure. But in this problem, such cleansing — herewith a tempo and with choice! — is pefrormed by the White capturing of unnecessary Black piece (author)

Тема Хофманна в виде выбора порядка ходов белых. Выбор белого темпохода. Иногда в #2-N применяется вычищение — из нескольких ходов, не защищающих от мата, чёрные выбирают взятие ненужной белой фигуры, чтобы мат стал чистым. А в данной задаче такое вычищение — причём темпо и с выбором! — выполняют белые, забирая ненужную чёрную фигуру (автор)

F314 (solution | решение)

Aleksandr Kuzovkov (Russia)n3N1B1/Bb1pQ3/2p1n1N1/1P1k2pR/3p1pP1/p2P1K2/q2r4/8

1.Qf8? ~2.Se7+ Ke5 3.Rxg5+ Sxg5#
1… cxb5 2.Qf5+! Kc6 3.Qxb5+ Kxb5#, (2.Se7+? Ke5+!)
1… c5 2.Sc7+! Sxc7 3.Qd6+ Kxd6#, (2.Se7+? Ke5+!) but 1… Sb6! 2.Se7+ Kc5!
1.Qb4! ~ 2.Se7+ Ke5 3.Rxg5+ Sxg5#
1… cxb5 2.Qxd4+! Kc6 3.Qxd7+ Kxd7#, (2.Se7+? Ke5+!)
1… c5 2.Qc4+! Qxc4 3 dxc4+ Kxc4#, (2.Se7+? Ke5+!)

Выбор игры в двух фазах с переменой игры. Есть ещё одна фаза с переменой игры в одном варианте (автор)

1.Qf7? 2.Se7+ Ke5 3.Rxg5+ Sxg5#
1… cxb5 2.Qf5+! Kc6 3.Qxb5+ Kxb5#
1… c5 2.Qxe6+! dxe6 3.Bxe6+ Kxe6#, but 1… Sb6! 2… Se7+ Kc5!
F315
Jozef Holubec
SuperProblem, 29-06-2022
8/2N3B1/2B5/2Q4N/R1r5/3k4/8/4K2R
s#8(8+2)
F316
A. Feoktistov, G. Evseev, A. Selivanov
SuperProblem, 06-07-2022
bq6/2pP1P2/1Pp2p2/2K3p1/1PB1p3/1RN1k1PN/PQ3pPp/6b1
s#4(13+11)
F317
Aleksandr Pankratiev & Yuri Gorbatenko
SuperProblem, 08-09-2022
b1B5/r3B3/n3Q2p/1p1P2pp/1ppK1k1q/b1Pp2RP/7P/6N1
s#3(10+13)
F315 (solution | решение)

Jozef Holubec (Slovakia)8/2N3B1/2B5/2Q4N/R1r5/3k4/8/4K2R

1.Qf5+!
1...Ke3 2.Qf2+ Kd3 3.Sf4+ Rxf4 4.Bb5+ Rc4 5.Bb2 Ke4 6.Rh4+ Kd3 7.Qf5+ Ke3 8.Bc1+ Rxc1#,
1...Re4+ 2.Kd1 Ke3 3.Re1+ Kd3 4.Rf1 Ke3 5.Sd5+ Kd3 6.Qh3+ Re3 7.Rf3 Rxf3 8.Qf1 Rxf1#
F316 (solution | решение)

Aleksandr Feoktistov, Georgy Evseev, Andrey Selivanov (Russia)bq6/2pP1P2/1Pp2p2/2K3p1/1PB1p3/1RN1k1PN/PQ3pPp/6b1

1.f8=Q? f1=B! 2.Sb1+ Bd3 3.Sxg5 fxg5! 4.Qe2+ Kxe2+ 5.Qf2+
1.f8=B! ~ (f5) 2.Sxe4+! Kxe4 3.Qb1+,(Qc2+)Sxf2+ Ke5(Bxf2+) 4.Bd6+(Qd4+) cxd6(Bxd4#)
1...f1=B 2.Sb1+! Bd3 3.Sg5! ~ 4.Qe2+ Kxe2# (2.Sxg5? Be2! 2.Sa4+? Bd3! 3.Sxg5 cxb6+! (Qxb6+!))
1...f1=S 2.Qc1+!(A) Sd2 3.Sf4(B) ( ~ 4.Qxd2+ Kxd2#) 3...Kf2 4.Qe1+ Kxe1#
(3.Sxg5? Kf2! 2.Sf4? gxf4! 2.g4? Sd2!)
1...f1=R 2.Sf4!(B) ( ~ 3.Qd2+) Rf2 3.Qc1+!(A) Rd2 4.Qxd2+ Kxd2#
2...Rd1 3.Sa4+! Rd3 4.Qd2+ Kxd2# (2.Sxg5? Rxf5+!)
1...f1=Q 2.Sb5+! Qd3 3.Qc1+ Ke2+ 4.Sd4+ Bxd4#

Чёрный AUW, антидуали, чередование A-B, B-A. Выбор вступления (авторы)

F317 (solution | решение)

Aleksandr Pankratiev and Yuri Gorbatenko (Russia)b1B5/r3B3/n3Q2p/1p1P2pp/1ppK1k1q/b1Pp2RP/7P/6N1

1...Bc1 2.Rg4+ Qxg4/hxg4 3.Qe3+ Bxe3#
1.Rg2! - 2.Rf2+ Qxf2+ 3.Qe3+ Qxe3#
1...Qg4 2.Qf6+ Qf5 3.Qe5+ Qxe5#
1...bxc3 2.Bd6+ Bxd6 3.Qe5+ Bxe5#
1...Rd7 2.Qe3+ Kf5+ 3.Qe4+ Qxe4#
1...B:d5 2.Qf7+ Bxf7 3.Rf2+ Qxf2#
F318
Paul Raican
SuperProblem, 26-09-2022
8/8/B7/8/1K6/3R2Q1/1PR2r2/5k2
s#142 solutions(6+2)
F319
Aleksandr Pankratiev
SuperProblem, 03-0-2022
1Q1N4/3R4/P7/K1k1N1br/p2p1B2/2n5/2R5/q7
s#3*v(8+7)
F320
Pavel Murashev
SuperProblem, 20-10-2022
4rnBq/2Nb4/p1ppr2b/2P1p1p1/p1k3p1/Q3K1p1/3PP1P1/1R6
s#3(9+15)
F318 (solution | решение)

Paul Raican (Romania)8/8/B7/8/1K6/3R2Q1/1PR2r2/5k2

1) 1.Rc1+ Ke2 2.Qg4+ Rf3 3.Ka4 Kf2 4.Qg1+ Ke2 5.Rd6+ Rd3 6.Rf1 Kd2 7.Rf2+ Ke3 8.Qg3+ Ke4 9.Bb7+ Rd5 10.Re6+ Kd4 11.Qe3+ Kc4 12.Rc6+ Rc5 13.Rd2 Rxc6 14.Ba6+ Rxa6#
2) 1.Rf3+ Ke1 2.Kc3 Kd1 3.Qg1+ Rf1 4.Rd3+ Ke1 5.Qg3+ Rf2 6.Rcd2 Kf1 7.Rf3+ Ke1! 8.Kd3 Kf1 9.Kc2+ Ke1! 10.Re2+ Kf1 11.Kc1 Rxf3 12.Rc2+ Rd3! 13.Qg4 Ke1 14.Qd1+ Rxd1#
F319 (solution | решение)

Aleksandr Pankratiev (Russia)1Q1N4/3R4/P7/K1k1N1br/p2p1B2/2n5/2R5/q7

1...d3 2.Rxc3+ Qxc3+ 3.Qb4+ Qxb4#
1...B ~ 2.Sd3+ Kc4+ 3.Qb5+ Rxb5#
1.Bc1? ~ 2.Ba3+ Qxa3 3.Qb4+ Qxb4#
1...Bxc1 2.Sd3+ Kc4+ 3.Qb5+ Rxb5# 1...Qxc1!
1.Be3! ~ 2.Rxc3+ Qxc3+ 3.Qb4+ Qxb4#
1...Qa2 2.Se6+ Qxe6 3.Qb6+ Qxb6#
1...Qh1 2.Qc7+ Qc6 3.Qb6+ Qxb6#
1...Qg1/Qd1 2.Bxd4+ Qxd4 3.Qb4+ Qxb4#
1...Bxe3 2.Sd3+ Kc4+ 3.Qb5+ Rxb5#
F320 (solution | решение)

Pavel Murashev (Russia)4rnBq/2Nb4/p1ppr2b/2P1p1p1/p1k3p1/Q3K1p1/3PP1P1/1R6

*1... Qh7(a) 2 Q:a4+ K:c5 3.Qd4+ e:d4#(A)
*1... e4 2.Q:a4+ K:c5(b) 3.Qd4+ Q:d4#(B)
1. Qa1? – 2.Qd4+ e:d4#, 1... K:c5!
1. Qb2! – 2.Qd4+ e:d4#
1... K:c5(b) 2.Qb6+ Kc4 3.Qd4+ e:d4#(A)
1... d:c5 2.Q:e5! – 3.Qe4+ Qd4#(B)
2... Bg7 3.Qe4+ Bd4#, 2... Qh7(a) 3.Qe4+ Q:e4#, 2... Q:g8 3.Qe4+ R:e4#

Перемена игры, белый ферзь в решении 4 раза ходит на поле е4, с разными матами. Предоставление свободного поля ч. королю, защиты на 1 поле, самосвязывание (автор)

F321
Jozef Havran
SuperProblem, 01-11-2022
7b/3p1PrN/1R1Np2P/2Rbk1P1/1Pp4P/2Kp1P1Q/1P1B4/2n5
s#3(14+9)
F322
Jozef Havran
SuperProblem, 01-11-2022
5B2/2PRr1p1/1P3b2/1pRNkPp1/1Pp1B3/2K2Q2/2Pp2N1/3r1n2
s#3(13+10)
F323
Vidadi Zamanov & Aleksandr Pankratiev
SuperProblem, 19-11-2022
8/6Q1/8/4Rp2/2p2k2/2R5/3PBK2/4N
s#62 solutions(7+3)
F321 (solution | решение)

Jozef Havran (Slovakia)7b/3p1PrN/1R1Np2P/2Rbk1P1/1Pp4P/2Kp1P1Q/1P1B4/2n5

1...Rxh7 2.Qf5+ exf5 3.f4+ Ke6#
1.Sf8! zz
1...Rg7~ 2.Qf5+ exf5 3.Rxd5+ Kxd5#
1...Rxf7! 2.Sxd7+ Rxd7 3.Qxe6+ Kxe6#
1...Rxg5! 2.f4+ Kf6 3.hxg5+ Ke7#
1...Sb3 2.Sg6+ Rxg6 3.Bf4+ Kxf4#

Theme: Black correction, black battery (author)

F322 (solution | решение)

Jozef Havran (Slovakia)5B2/2PRr1p1/1P3b2/1pRNkPp1/1Pp1B3/2K2Q2/2Pp2N1/3r1n2

1.Qg4? ~ 2.Sdf4+ Kxe4+ 3.Rd4+ Bxd4#
1...Rxd7 2.Sde3+ Rd5 3.Bd6+ Kxd6#
but 1...Se3!
1.Qe2! ~ 2.Sde3+ Kxe4+ 3.Rd4+ Bxd4#
1...Rxd7 2.Sdf4+ Rd5 3.Bd6+ Kxd6#

Theme: Le Grand (author)

F323 (solution | решение)

Vidadi Zamanov (Azerbaijan) and Aleksandr Pankratiev (Russia)8/6Q1/8/4Rp2/2p2k2/2R5/3PBK2/4N

1.Sd3+! cxd3 2.Ke1 dxe2 3.Rc4+ Kf3 4.Qg1 f4 5.Re3+ fxe3 6.Qf2+ exf2#
1.Bg4! fxg4 2.Rf3+ fxg4 3.Sd3+ cxd3 4.Kf1 f2 5.Qg5+ Kf3 6.Re2 dxe2#
F324
Viktor Zheglov
SuperProblem, 26-11-2022
k2r4/5R2/8/8/6B1/4Q3/7q/2K5
s#14C -(4+3)
F325
Viktor Zheglov
SuperProblem, 26-11-2022
7b/k7/2B5/8/2K5/1R1Q4/8/q7
s#7(4+3)
F326
Viktor Zheglov
SuperProblem, 26-11-2022
8/1k6/3KQ3/3R4/7q/3b1B2/8/8
s#12C -(4+3)
F324 (solution | решение)

Viktor Zheglov (Russia)k2r4/5R2/8/8/6B1/4Q3/7q/2K5

1.Bf3+ Kb8 2.Qa7+ Kc8 3.Qa8+ Qb8 4.Qc6+ Qc7 5.Rxc7+ Kb8 6. Rb7+ Ka8 7.Rb3+ Ka7 8.Qc7+ Ka6 9.Be2+ Rd3 10.Ra3+ Kb5 11.Kb1 Kb4 12.Qa5+ Kc4 13.Ra4+ Kb3 14.Bd1+ Rxd1#
1...Rd5 2.Bxd5+ Kb8 3.Qb6+ Kc8 4.Bb7+ Kb8 5.Ba6+ Ka8 6.Qc6+ Kb8 7.Rf8+ Ka7 8.Qc5+ Kxa6 9.Ra8+ Kb7 10.Qc8+ Kb6 11.Ra6+ Kb5 12.Qc6+ Kb4 13.Ra4+ Kb3 14.Qc2+ Qxc2#
F325 (solution | решение)

Viktor Zheglov (Russia))7b/k7/2B5/8/2K5/1R1Q4/8/q7

1.Rb7+ Ka6 2.Kb3+ Ka5 3.Qd5+ Ka6 4.Bb5+ Ka5 5.Ba6+ Kxa6 6,Qc6+ Ka5 7.Qa4+ Qxa4#
1...Ka8 2.Rb5+ Ka7 3.Qd7+ Ka6 4.Qc8+ Ka7 5.Qc7+ Ka6 6.Ra5+ Qxa5 7.Bb5+ Qxb5#
F326 (solution | решение)

Viktor Zheglov (Russia)8/1k6/3KQ3/3R4/7q/3b1B2/8/8

1.Rb5++ Ka6 2.Kc5+ Ka7 3.Qd7+ Ka6 4.Qc6+ Ka7 5.Rb7+ Ka8 6.Rf7+ Kb8 7.Qb6+ Kc8 8.Bb7+ Kb8 9.Qc7+ Ka7 10.Bd5+ Ka6 11.Rf6+ Qxf6 12.Qb6+ Qxb6#
1....Ka7 2.Qd7+ Ka6 3.Bb7+ Ka7 4.Bc8+ Ka8 5.Qc6+ Ka7 6.Qc5+ Ka8 7.Bb7+ Kb8 8.Bd5+ Bxb5 9.Qb6+ Kc8 10.Qb7+ Kd8 11.Qc7+ Ke8 12.Qe7+ Qxe7#
F327
Sergey Smotrov
SuperProblem, 29-11-2022
1nK5/1Q2p1B1/3kp3/6R1/4p2b/1P6/8/5r2
s#19C -(5+7)
F328
Sergey Evko
SuperProblem, 30-11-2022
5N1k/4Npp1/8/5P1n/3P1p1R/5P1p/5R1p/4QK1B
s#7(10+7)
F329
Sergey Evko
SuperProblem, 02-12-2022
8/1pN5/7p/p1P2p2/kn3R2/2BP4/P6P/R1Q1K1N1
s#9C -(11+6)
F327 (solution | решение)

Sergey Smotrov (Kazakhstan)1nK5/1Q2p1B1/3kp3/6R1/4p2b/1P6/8/5r2

Main Plan:1.Bf8? (no check)
Try: 1.Q×e7+? Kc6? 2.Qb7+ Kd6 3. Bf8+ R×f8# but 1…K×e7!
1.Qb4+ Kc6 2.Rc5+ Kd6 3.Rc2+ Kd5 4.Rd2+ Kc6 5.Qb7+ Kc5 6.Bd4+ Kd6 7.Bf6+ Kc5 8.Rc2+ Kd6 9.Q×e7+! Kd5 10.Rd2+ Kc6 11.Qb7+ Kc5 12.Bd4+ Kd6 13.Bg7+ Kc5 14.Rc2+ Kd6 15.Qb4+ Kd5 16.Rc5+ Kd6 17.Rg5+ Kc6 18.Qb7+ Kd6, and the main plan: 19.Bf8+ R×f8#

1. Returns of white pieces. Logic capture of Pe7. Active self-block by Qb7 (author)

F328 (solution | решение)

Sergey Evko (Russia)5N1k/4Npp1/8/5P1n/3P1p1R/5P1p/5R1p/4QK1B

1.Qe5 f6 2.Seg6+ Kg8 3.Qe1 Kf7 4.d5 Kg8 5.d6 Kf7 6.d7 Kg8 7.d8S Sg3#
F329 (solution | решение)

Sergey Evko (Russia)8/1pN5/7p/p1P2p2/kn3R2/2BP4/P6P/R1Q1K1N1

1.Bb2 h5 2.Qc4 h4 3.0-0-0 h3 4.Rff1 b5 5.cxb6(e.p.) f4 6.Kb1 f3 7.Ka1 f2 8.Rb1 fxg=Q/R/B/S 9.Qc2+ Sxc2#
FXXX (solution | решение)

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