MESON Chess Problem Database
Problem Display
PID: 252625 (1n1r1q2/1P2bN2/2P2rbp/pP1Pp3/P2kp1QR/5pn1/B2B1N2/1KR5 w - - 0 1)
Efrosinin, Oleg
StrateGems, 2021
#4
13 + 13
SOLUTION
- SOUND
- Keys
- 1.Sd6!
- threat
- 2.Sf5+
- 2...Rxf5
- 3.Qxe4+
- 3...Sxe4
- 4.Rxe4#
- 3...Sxe4
- 3.Qxe4+
- 2...Bxf5
- 3.Qxf3
- threat
- 4.Be3#
- 4.Qc3#
- 4.Qd3#
- 4.Qe3#
- threat
- 3.Qxf3
- 2...Rxf5
- 2.Sf5+
- 1...Rfxd6
- 2.Bc3+
- 2...Ke3
- 3.Qxg3
- threat
- 4.Re1#
- 3...Ke2
- 4.Re1#
- threat
- 3.Qxg3
- 2...Kc5
- 3.Bxa5+
- 3...Kd4
- 4.Bb6#
- 3...Kd4
- 3.Bxa5+
- 2...Ke3
- 2.Bc3+
- 1...Rdxd6
- 2.Bc3+
- 2...Ke3
- 3.Qxg3
- threat
- 4.Re1#
- 3...Ke2
- 4.Re1#
- threat
- 3.Qxg3
- 2...Kc5
- 3.Bxa5+
- 3...Kd4
- 4.Bb6#
- 3...Kd4
- 3.Bxa5+
- 2...Ke3
- 2.Bc3+
- 1...Bxd6
- 2.Rc4+
- 2...Kxd5
- 3.Rxe4+
- 3...Kc5
- 4.Be3#
- 3...Kc5
- 3.Rxe4+
- 2...Kxd5
- 2.Rc4+
- 1...Rf4
- 2.Bc3+
- 2...Ke3
- 3.Sd1+
- 3...Ke2
- 4.Bc4#
- 3...Kd3
- 4.Bc4#
- 3...Ke2
- 3.Qxg3
- threat
- 4.Re1#
- 3...Ke2
- 4.Re1#
- threat
- 3.Sd1+
- 2...Kc5
- 3.Bxa5+
- 3...Kd4
- 4.Bb6#
- 3...Kxd6
- 4.Qe6#
- 3...Kd4
- 3.Bxa5+
- 2...Ke3
- 2.Bc3+
- 1...Bh7
- 2.Sf5+
- 2...Rxf5
- 3.Qxe4+
- 3...Sxe4
- 4.Rxe4#
- 3...Sxe4
- 3.Qxe4+
- 2...Bxf5
- 3.Qxf3
- threat
- 4.Be3#
- 4.Qc3#
- 4.Qd3#
- 4.Qe3#
- threat
- 3.Qxf3
- 2...Rxf5
- 2.Sf5+
- threat
- 1.Sd6!
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