MESON Chess Problem Database
Problem Display
PID: 273231 (1qn2R2/4rpQ1/3p2p1/Rb6/1N2k1pN/1n2P1r1/BKPP3B/8 w - - 0 1)
Keller, Michael
diagrammes, 1978
#3
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qd4+
- 1...Rg2
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qd4+
- 1...Rf3
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qd4+
- 1...Rh3
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qd4+
- 1...Re8
- 2.Qxf7
- threat
- 3.Qd5#
- 3.Qf4#
- 2...Ke5
- 3.Qd5#
- 2...d5
- 3.Qxd5#
- threat
- 2.Qxf7
- 1...Bf1
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Be2
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Bd3
- 2.cxd3#
- 1...Ba4
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Bc4
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Ba6
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Bc6
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Be8
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Sa1
- 2.Bd5#
- 2.Qd4#
- 1...Sc1
- 2.Bd5#
- 2.Qd4#
- 1...Sxd2
- 2.Qd4#
- 1...Sd4
- 2.Bd5#
- 2.Qxd4#
- 1...Sxa5
- 2.Bd5#
- 2.Qd4#
- 1...Sc5
- 2.Bd5#
- 2.Qd4#
- 1...g5
- 2.Qxg5
- threat
- 3.Qf4#
- 3.Qd5#
- 3.Qf5#
- threat
- 2.Qh7+
- 2...Ke5
- 3.Qf5#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.Qxg5
- 1...f6
- 2.Qxg6+
- 2...Ke5
- 3.Qf5#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.Qxg6+
- 1...Rg1
- Tries
- 1.Bb1?
- threat
- 2.c4#
- 1...Rxe3
- 2.c4+
- 2...Rd3
- 3.Bxd3#
- 2...Rd3
- 2.c4+
- 1...f6
- 2.Qxf6
- threat
- 3.Qf4#
- 3.c4#
- threat
- 2.Qxg6+
- 2...Ke5
- 3.Qf5#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.cxb3+
- 2...Ke5
- 3.Qxf6#
- 2...Bd3
- 3.Bxd3#
- 2...Ke5
- 2.c3+
- 2...Ke5
- 3.Qxf6#
- 2...Bd3
- 3.Bxd3#
- 2...Ke5
- 2.c4+
- 2...Ke5
- 3.Qxf6#
- 2...Ke5
- 2.Qxf6
- 1...Bf1
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.cxb3+
- 2...Bd3
- 3.Bxd3#
- 3.Qd4#
- 2...Bd3
- 2.c3+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.c4+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 1...Be2
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.cxb3+
- 2...Bd3
- 3.Bxd3#
- 3.Qd4#
- 2...Bd3
- 2.c3+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.c4+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 1...Bc4
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.cxb3+
- 2...Bd3
- 3.Bxd3#
- 3.Qd4#
- 2...Bd3
- 2.c3+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 1...Rg1!
- threat
- 1.Bxb3?
- threat
- 2.Bd5#
- 2.Qd4#
- 1...f6
- 2.Bd5+
- 2...Ke5
- 3.Bxg3#
- 3.Qxf6#
- 3.d4#
- 2...Ke5
- 2.Qxf6
- threat
- 3.Bd5#
- 3.Qd4#
- 3.Qf4#
- threat
- 2.Qxg6+
- 2...Ke5
- 3.Sd3#
- 3.Sc6#
- 3.Bxg3#
- 3.Qf5#
- 3.d4#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.Bd5+
- 1...Re5!
- threat
- 1.Rxf7?
- threat
- 2.Rf4#
- 1...Rf3
- 2.Rxe7+
- 2...Sxe7
- 3.Qxe7#
- 2...Sxe7
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qxg6+
- 2...Rf5
- 3.Qxf5#
- 2...Rf5
- 2.Rxe7+
- 1...d5
- 2.Qxg6+
- 2...Ke5
- 3.Bxg3#
- 2...Ke5
- 2.Qxg6+
- 1...g5
- 2.Rxe7+
- 2...Sxe7
- 3.Qxe7#
- 2...Sxe7
- 2.Qxg5
- threat
- 3.Rf4#
- 3.Qf4#
- 3.Qd5#
- 3.Qf5#
- threat
- 2.Qg6+
- 2...Ke5
- 3.Bxg3#
- 3.Qf5#
- 2...Ke5
- 2.Qh7+
- 2...Ke5
- 3.Qf5#
- 2...Ke5
- 2.Rxe7+
- 1...Rxf7!
- threat
- 1.Qf6?
- threat
- 2.Qf4#
- 1...Rf3
- 2.Sxf3
- threat
- 3.Sg5#
- 3.Qf4#
- 2...g5
- 3.Sxg5#
- threat
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Sxf3
- 1...d5!
- threat
- 1.Qxg6+?
- 1...Ke5
- 2.Bxg3#
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 1...fxg6!
- 1...Ke5
- 1.Qxf7?
- threat
- 2.Qd5#
- 2.Qf4#
- 1...Ke5
- 2.Qd5#
- 1...Sxd2
- 2.Qf4#
- 1...Qb7
- 2.Qf4#
- 1...Qa8
- 2.Qf4#
- 1...Rf3
- 2.Qd5#
- 1...Re5
- 2.Qf4#
- 1...Re6
- 2.Qxe6#
- 2.Qf4#
- 1...Bc4
- 2.Qxg6#
- 2.Qf4#
- 1...Bc6
- 2.Qxg6#
- 2.Qf4#
- 1...Sb6
- 2.Qf4#
- 2.Qxe7#
- 1...d5
- 2.Qxd5#
- 1...g5
- 2.Qd5#
- 2.Qf5#
- 1...Rxf7!
- threat
- 1.cxb3?
- threat
- 2.Qd4#
- 1...f6
- 2.Bb1+
- 2...Ke5
- 3.Qxf6#
- 2...Bd3
- 3.Bxd3#
- 2...Ke5
- 2.Qxf6
- threat
- 3.Qd4#
- 3.Qf4#
- threat
- 2.Qxg6+
- 2...Ke5
- 3.Qf5#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.Bb1+
- 1...Qa7
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Bb1+
- 1...Qb6
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Bb1+
- 1...Re5
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Bb1+
- 1...Rxe3!
- threat
- 1.c4?
- threat
- 2.Bb1#
- 1...Rxe3
- 2.Bb1+
- 2...Rd3
- 3.Bxd3#
- 2...Rd3
- 2.Bb1+
- 1...Bxc4
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Bb1+
- 1...f6
- 2.Bb1+
- 2...Ke5
- 3.Qxf6#
- 2...Ke5
- 2.Qxf6
- threat
- 3.Bb1#
- 3.Qf4#
- threat
- 2.Qxg6+
- 2...Ke5
- 3.Qf5#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.Bb1+
- 1...Rg1!
- threat
- 1.Bb1?
- Keys
- 1.c3!
- threat
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Bb1+
- 1...Rxe3
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qd4+
- 1...f6
- 2.Bb1+
- 2...Ke5
- 3.Qxf6#
- 2...Bd3
- 3.Bxd3#
- 2...Ke5
- 2.Qxg6+
- 2...Ke5
- 3.Qf5#
- 2...f5
- 3.Qxf5#
- 2...Ke5
- 2.Bb1+
- 1...Rg1
- 2.Qd4+
- 2...Sxd4
- 3.Bd5#
- 2...Sxd4
- 2.Qd4+
- 1...Bf1
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Bb1+
- 1...Be2
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Bb1+
- 1...Bd3
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Qxg6+
- 1...Bc4
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Bb1+
- 1...Ba6
- 2.Bb1+
- 2...Bd3
- 3.Bxd3#
- 2...Bd3
- 2.Qxg6+
- 2...fxg6
- 3.Rf4#
- 2...f5
- 3.Qxf5#
- 2...fxg6
- 2.Bb1+
- threat
- 1.c3!
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