MESON Chess Problem Database
Problem Display
PID: 144646 (8/1p2N3/2PNp1bK/nP2k1Pn/8/2R2PP1/p4B2/8 w - - 0 1)
Knudsen, Birger
Problemisten, 1946
#3
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Sf7#
- 1...Bc2
- 2.Sf7#
- 1...Bd3
- 2.Sf7#
- 1...Be4
- 2.Sf7#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxc6
- 2.Sc4#
- 1...Bb1
- Tries
- 1.Sdc8?
- threat
- 2.Rc5#
- 1...Sxg3
- 2.Sxg6+
- 2...Kd5
- 3.Rc5#
- 2...Kf5
- 3.Sd6#
- 3.Sce7#
- 2...Kd5
- 2.Sxg6+
- 1...Be4
- 2.Sg6+
- 2...Kd5
- 3.Rc5#
- 2...Kf5
- 3.Sd6#
- 3.Sce7#
- 3.g4#
- 2...Bxg6
- 3.Rc5#
- 2...Kd5
- 2.Sg6+
- 1...Sb3
- 2.cxb7
- threat
- 3.b8Q#
- 3.b8B#
- threat
- 2.cxb7
- 1...Sc4
- 2.Sxg6+
- 2...Kd5
- 3.Rd3#
- 2...Kf5
- 3.Sce7#
- 3.g4#
- 2...Kd5
- 2.Rxc4
- threat
- 3.Bd4#
- 3.Rc5#
- 2...Sxg3
- 3.Bxg3#
- 3.f4#
- threat
- 2.Sxg6+
- 1...Sf4
- 2.Sxg6+
- 2...Kd5
- 3.Rc5#
- 2...Kf5
- 3.Sd6#
- 3.Sce7#
- 3.g4#
- 2...Sxg6
- 3.Rc5#
- 2...Kd5
- 2.Sxg6+
- 1...Sf6
- 2.Sxg6+
- 2...Kd5
- 3.Rc5#
- 2...Kf5
- 3.Sd6#
- 3.Sce7#
- 2...Kd5
- 2.f4+
- 2...Ke4
- 3.Sd6#
- 2...Ke4
- 2.Sxg6+
- 1...b6!
- threat
- 1.Sxg6+?
- 1...Kd5
- 2.Rd3#
- 1...Kxd6!
- 1...Kd5
- 1.Rd3?
- threat
- 2.Sxg6#
- 1...Sf4
- 2.gxf4+
- 2...Kxf4
- 3.Sxg6#
- 2...Kxf4
- 2.gxf4+
- 1...Be8!
- threat
- 1.cxb7?
- threat
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.Sf7+
- 1...Sxg3
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 2...Sf5+
- 3.Sdxf5#
- 2...Kf4
- 3.Sxg6#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 2...Sf5+
- 3.Sdxf5#
- 2...Kf4
- 3.Sxg6#
- threat
- 2.b8Q
- 1...a1Q
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.Sf7+
- 1...a1S
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.Sf7+
- 1...a1B
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.Sf7+
- 1...a1R
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- threat
- 2.Sf7+
- 1...Be8
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Sxe8#
- 3.Rc5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Sxe8#
- 3.Rc5#
- threat
- 2.Sf7+
- 1...Sf4
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- threat
- 2.Sf7+
- 1...Sf6
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.Sf7+
- 1...Sg7
- 2.Sf7+
- 2...Bxf7
- 3.b8Q#
- 3.b8B#
- 2...Bxf7
- 2.b8Q
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- 3.f4#
- 2...Sf5+
- 3.Sdxf5#
- threat
- 2.b8B
- threat
- 3.Sc4#
- 3.Se4#
- 3.Sdf5#
- 3.Sb7#
- 3.Sf7#
- 3.Sdc8#
- 3.Se8#
- 3.Rc5#
- 3.f4#
- 2...Sf5+
- 3.Sdxf5#
- threat
- 2.Sf7+
- 1...Kxd6!
- threat
- 1.Sdc8?
- Keys
- 1.b6!
- threat
- 2.Rc5+
- 2...Kxd6
- 3.Sc8#
- 2...Kxd6
- 2.Rc5+
- 1...Kxd6
- 2.Sc8+
- 2...Kd5
- 3.Rc5#
- 2...Ke5
- 3.Rc5#
- 2...Kd5
- 2.Sc8+
- 1...Sxg3
- 2.Bxg3+
- 2...Kd4
- 3.Sb5#
- 2...Kd4
- 2.Bxg3+
- 1...bxc6
- 2.Sxg6+
- 2...Kd5
- 3.Rd3#
- 2...Kxd6
- 3.Rd3#
- 2...Kd5
- 2.Sxg6+
- 1...Sf4
- 2.gxf4+
- 2...Kxf4
- 3.Sxg6#
- 2...Kxd6
- 3.Bc5#
- 2...Kxf4
- 2.gxf4+
- 1...Sf6
- 2.f4+
- 2...Kxd6
- 3.Bc5#
- 2...Kxd6
- 2.f4+
- threat
- 1.b6!
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