MESON Chess Problem Database
Problem Display
PID: 173554 (3B4/5NR1/3R1P1p/3p1kpN/r3p3/3P1Pp1/6P1/2n1b2K w - - 0 1)
Alaikov, Venelin
Schach, 1976
#4
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Keys
- 1.Bb6!
- threat
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Bc5
- threat
- 4.Rxg5#
- 4.Re7#
- threat
- 3.Rc6
- threat
- 4.Rxg5#
- 4.Re7#
- threat
- 3.Sf7+
- 2...Ke5
- 2.Bc5
- threat
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Ra1
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Ra2
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Ra3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Ra5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Ra6
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ra8
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bd2
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Rc6
- threat
- 3.Sd6+
- 3...Ke5
- 4.Re7#
- 3...Ke6
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Bc7
- threat
- 4.Sxh6#
- threat
- 3.Sd6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxh6+
- 1...Sxd3
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Sxh6+
- 1...exd3
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Sxh6+
- 1...exf3
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Sxh6+
- 1...Rb4
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Bc5
- threat
- 4.Rxg5#
- 4.Re7#
- threat
- 3.Sf7+
- 2...Ke5
- 2.Bc5
- threat
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Rb1
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Rb2
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Rb3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Rb5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Rb6
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Rb7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Rb8
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bd2
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxh6+
- 1...Rc4
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Rxd5+
- 2...Ke6
- 3.dxc4
- threat
- 4.Sd8#
- threat
- 3.dxc4
- 2...Ke6
- 2.Sxh6+
- 1...Ra6
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Rxd5+
- 2...Ke6
- 3.Rd6+
- 3...Kf5
- 4.dxe4#
- 3...Kf5
- 3.dxe4
- threat
- 4.Sd8#
- 4.Rd6#
- threat
- 3.fxe4
- threat
- 4.Sd8#
- 4.Rd6#
- threat
- 3.Rd6+
- 2...Ke6
- 2.Bd4
- threat
- 3.Sxh6#
- 2...Rxd6
- 3.Sxh6+
- 3...Ke6
- 4.Re7#
- 3...Ke6
- 3.Sxh6+
- threat
- 2.Bc5
- threat
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Rxd6
- 3.Sxd6+
- 3...Ke5
- 4.Re7#
- 3...Ke6
- 4.Re7#
- 3...Ke5
- 3.Sxd6+
- 2...Sxd3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...exd3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...exf3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Ra4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bd2
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bf2
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Bc3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Se2
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Sb3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxh6+
- 1...Ra7
- 2.Sxh6+
- 2...Ke5
- 3.Bc5
- threat
- 4.Rxg5#
- 4.d4#
- threat
- 3.Rc6
- threat
- 4.Rxg5#
- 4.d4#
- threat
- 3.Bc5
- 2...Ke5
- 2.Rxd5+
- 2...Ke6
- 3.Rd6+
- 3...Kf5
- 4.dxe4#
- 3...Kf5
- 3.Rd6+
- 2...Ke6
- 2.Sxh6+
- 1...Ra8
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Bc5
- threat
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- threat
- 3.Rc6
- threat
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- threat
- 3.Sf7+
- 2...Ke5
- 2.Rxd5+
- 2...Ke6
- 3.Rd6+
- 3...Kf5
- 4.dxe4#
- 3...Kf5
- 3.Rd6+
- 2...Ke6
- 2.Rc6
- threat
- 3.Sd6+
- 3...Ke5
- 4.Re7#
- 3...Ke6
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sd6+
- 2...exf3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Re8
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxh6+
- 1...Bd2
- 2.Sxg3+
- 2...Kf4
- 3.Sh5+
- 3...Kf5
- 4.g4#
- 3...Kf5
- 3.Sh5+
- 2...Kf4
- 2.Sxh6+
- 2...Ke5
- 3.Bc5
- threat
- 4.Re7#
- 3...Ra7
- 4.d4#
- threat
- 3.Bc5
- 2...Ke5
- 2.Bc5
- threat
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Ra1
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ra2
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- 3...g4
- 4.fxg4#
- threat
- 3.Sxh6+
- 2...Ra3
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- 3...g4
- 4.fxg4#
- threat
- 3.Sxh6+
- 2...Ra5
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- 3...g4
- 4.fxg4#
- threat
- 3.Sxh6+
- 2...Ra6
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ra8
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Be1
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Bc3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ba5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...e3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Rc6
- threat
- 3.Sd6+
- 3...Ke5
- 4.Re7#
- 3...Ke6
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 3...Ke5
- 3.Bc7
- threat
- 4.Sxg3#
- 4.Sxh6#
- threat
- 3.Sd6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxg3+
- 1...Bf2
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Sxh6+
- 1...Bb4
- 2.Sxg3+
- 2...Kf4
- 3.Sh5+
- 3...Kf5
- 4.g4#
- 3...Kf5
- 3.Sh5+
- 2...Kf4
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Sxg3+
- 1...Ba5
- 2.Sxg3+
- 2...Kf4
- 3.Sh5+
- 3...Kf5
- 4.g4#
- 3...Kf5
- 3.Sh5+
- 2...Kf4
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Bc5
- threat
- 4.Rxg5#
- 4.Re7#
- threat
- 3.Sf7+
- 2...Ke5
- 2.Bc5
- threat
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Ra1
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Ra2
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Ra3
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Bd4
- threat
- 4.Sxh6#
- threat
- 3.Sxh6+
- 2...Bd2
- 3.Sxh6+
- 3...Ke5
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 4.d4#
- 3...Ke5
- 3.Sxh6+
- 2...Bd8
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxg3+
- 1...Se2
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Rc6
- threat
- 4.Rxg5#
- 4.Re7#
- 3...Sd4
- 4.Bc7#
- threat
- 3.Sf7+
- 2...Ke5
- 2.Rc6
- threat
- 3.Sd6+
- 3...Ke5
- 4.Re7#
- 3...Ke6
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Bc7
- threat
- 4.Sxh6#
- threat
- 3.Sd6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 3...Ke5
- 3.Sxh6+
- 2...Sd4
- 3.Sxh6+
- 3...Ke5
- 4.Bc7#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxh6+
- 1...Sb3
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.Rc6
- threat
- 3.Sd6+
- 3...Ke5
- 4.Re7#
- 3...Ke6
- 4.Re7#
- 3...Ke5
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 4.Re7#
- 3...Ke5
- 3.Bc7
- threat
- 4.Sxh6#
- threat
- 3.Sd6+
- 2...Ra7
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 3...Ke5
- 3.Sxh6+
- 2...Bb4
- 3.Sxh6+
- 3...Ke5
- 4.Rxg5#
- 3...Ke5
- 3.Sxh6+
- 2...Sd4
- 3.Sxh6+
- 3...Ke5
- 4.Bc7#
- 3...Ke5
- 3.Sxh6+
- threat
- 2.Sxh6+
- 1...e3
- 2.Sxh6+
- 2...Ke5
- 3.Sf7+
- 3...Kf5
- 4.Rxg5#
- 3...Kf5
- 3.Sf7+
- 2...Ke5
- 2.d4
- threat
- 3.Sxh6#
- 2...Rxd4
- 3.Bxd4
- threat
- 4.Sxh6#
- threat
- 3.Bxd4
- threat
- 2.Sxh6+
- threat
- 1.Bb6!
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