MESON Chess Problem Database
Problem Display
PID: 5523 (b1r4b/q3PP2/1p1Rp3/NN2k2K/r3P3/5R2/3BQ1P1/1B1n4 w - - 0 1)
Macleod, Norman Alasdair
10th Place, 02. WCCT, 1980-1983
#3
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qc4
- threat
- 3.Rxe6#
- 3.Qxe6#
- 3.Qd4#
- 2...Rxc4
- 3.Sxc4#
- threat
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.Qc4
- 1...Ra2
- 2.Qc4
- threat
- 3.Rxe6#
- 3.Qxe6#
- 3.Qd4#
- 2...Rxc4
- 3.Sxc4#
- threat
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.Qc4
- 1...Ra3
- 2.Qc4
- threat
- 3.Rxe6#
- 3.Qxe6#
- 3.Qd4#
- 2...Rxc4
- 3.Sxc4#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.Qc4
- 1...Rac4
- 2.Qxc4
- threat
- 3.Rxe6#
- 3.Qxe6#
- 3.Qd4#
- 2...Rxc4
- 3.Sxc4#
- threat
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 2...Rxf8
- 3.Sxc4#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- 2...Rxf8
- 3.Sxc4#
- threat
- 2.Qxc4
- 1...Rxe4
- 2.f8S
- threat
- 3.Sg6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.f8S
- 1...Rc1
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Rc2
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Rc3
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Rcc4
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Rc5
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8Q
- 1...Rc6
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- threat
- 2.Bf4+
- 1...Rc7
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.e8Q
- threat
- 3.Rf5#
- 3.Rxe6#
- 3.Qxe6#
- 3.Qxh8#
- threat
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Rg8
- 2.fxg8Q
- threat
- 3.Rxe6#
- 3.Qxe6#
- 3.Qg3#
- 3.Qg5#
- 3.Qxh8#
- threat
- 2.fxg8Q
- 1...Bxe4
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 2...Rxf8
- 3.Sc6#
- 2...Bf6
- 3.Qxf6#
- threat
- 2.f8Q
- 1...Bf6
- 2.Bf4#
- 1...Sc3
- 2.Qe3
- threat
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Qe3
- 1...Se3
- 2.Qxe3
- threat
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Qxe3
- 1...Ra1
- Tries
- 1.Sc4+?
- 1...Rcxc4
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Raxc4!
- 1...Rcxc4
- 1.Sc6+?
- 1...Rxc6
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- threat
- 2.Bf4+
- 1...Bxc6!
- 1...Rxc6
- 1.Be1?
- threat
- 2.Bg3#
- 1...Rg8
- 2.fxg8Q
- threat
- 3.Bg3#
- 3.Rxe6#
- 3.Qxe6#
- 3.Qg3#
- 3.Qg5#
- 3.Qxh8#
- threat
- 2.fxg8B
- threat
- 3.Bg3#
- 3.Rxe6#
- threat
- 2.fxg8R
- threat
- 3.Bg3#
- 3.Rg5#
- threat
- 2.fxg8Q
- 1...Sf2!
- threat
- 1.Bc3+?
- 1...Sxc3
- 2.Qd2
- threat
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Qe3
- threat
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Qd2
- 1...Rxc3!
- 1...Sxc3
- 1.Qe1?
- threat
- 2.Qg3#
- 1...Rxe4
- 2.Qg3+
- 2...Rf4
- 3.Qxf4#
- 2...Rf4
- 2.f8S
- threat
- 3.Sg6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.Qg3+
- 1...Rc2
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.Qg3+
- 2...Kxe4
- 3.Bxc2#
- 3.Qf4#
- 2...Kxe4
- 2.Qh4
- threat
- 3.Qf4#
- 2...Rxe4
- 3.Qg5#
- threat
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Rg8
- 2.fxg8Q
- threat
- 3.Rxe6#
- 3.Qeg3#
- 3.Qxe6#
- 3.Qgg3#
- 3.Qg5#
- 3.Qxh8#
- threat
- 2.fxg8S
- threat
- 3.Bf4#
- 3.Qg3#
- 2...Rxe4
- 3.Sc4#
- threat
- 2.fxg8B
- threat
- 3.Rxe6#
- 3.Qg3#
- 2...Rxe4
- 3.Sc4#
- threat
- 2.fxg8R
- threat
- 3.Rg5#
- 3.Qg3#
- threat
- 2.fxg8Q
- 1...Sf2!
- threat
- 1.Qf2?
- threat
- 2.Qg3#
- 1...Rxe4
- 2.Qg3+
- 2...Rf4
- 3.Qxf4#
- 2...Rf4
- 2.Qg3+
- 1...Rc2
- 2.Bf4+
- 2...Kxe4
- 3.Bxc2#
- 3.Qxc2#
- 2...Kf6
- 3.f8Q#
- 2...Kxe4
- 2.Rf5+
- 2...Kxe4
- 3.Bxc2#
- 3.Qf3#
- 3.Qf4#
- 2...exf5
- 3.Qf4#
- 3.Qxf5#
- 2...Kxe4
- 2.Rf6
- threat
- 3.Rdxe6#
- 3.Rfxe6#
- 3.Qf4#
- 2...Kxe4
- 3.Qf4#
- threat
- 2.Qg3+
- 2...Kxe4
- 3.Bxc2#
- 3.Qf4#
- 2...Kxe4
- 2.Qh4
- threat
- 3.Qf4#
- 2...Rxe4
- 3.Qg5#
- threat
- 2.Bf4+
- 1...Rg8
- 2.Rf5+
- 2...exf5
- 3.Bf4#
- 3.Qf4#
- 3.Qxf5#
- 2...exf5
- 2.fxg8Q
- threat
- 3.Rxe6#
- 3.Qfg3#
- 3.Qxe6#
- 3.Qgg3#
- 3.Qg5#
- 3.Qxh8#
- threat
- 2.fxg8R
- threat
- 3.Rg5#
- 3.Qg3#
- threat
- 2.Rf5+
- 1...Sxf2!
- threat
- 1.Qe3?
- threat
- 2.Qf4#
- 2.Qg5#
- 1...Qxe7
- 2.Qf4#
- 1...Rxe4
- 2.Qg5#
- 1...Bxe4
- 2.Qf4#
- 1...Rc2
- 2.Qf4#
- 1...Rg8
- 2.Qf4#
- 1...Bf6
- 2.Qf4#
- 1...Sxe3!
- threat
- 1.g4?
- threat
- 2.Qh2#
- 1...Rxe4
- 2.Qh2+
- 2...Rf4
- 3.Qxf4#
- 2...Rf4
- 2.f8S
- threat
- 3.Sg6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.Qh2+
- 1...Rc2
- 2.Bf4+
- 2...Kf6
- 3.f8Q#
- 2...Kf6
- 2.Qh2+
- 2...Kxe4
- 3.Qf4#
- 2...Kxe4
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 3.Qxh8#
- threat
- 2.f8S
- threat
- 3.Sg6#
- 3.Rxe6#
- threat
- 2.Bf4+
- 1...Sf2!
- threat
- 1.e8Q?
- threat
- 2.Rf5#
- 2.Rxe6#
- 2.Qxe6#
- 1...Qxf7+
- 2.Rxf7
- threat
- 3.Bf4#
- 3.Rxe6#
- 3.Rf5#
- 3.Qxe6#
- threat
- 2.Qxf7
- threat
- 3.Bf4#
- 3.Rxe6#
- 3.Qxe6#
- 3.Qf4#
- threat
- 2.Rxf7
- 1...Qe7
- 2.Rf5+
- 2...exf5
- 3.Qxe7#
- 2...exf5
- 2.Qxe7
- threat
- 3.Bf4#
- 3.Rf5#
- 3.Rxe6#
- 3.Qg5#
- 3.Qxe6#
- threat
- 2.Rf5+
- 1...Rxe8!
- threat
- 1.e8R?
- threat
- 2.Rf5#
- 2.Rdxe6#
- 2.Rexe6#
- 1...Qxf7+
- 2.Rxf7
- threat
- 3.Bf4#
- 3.Rdxe6#
- 3.Rf5#
- 3.Rexe6#
- threat
- 2.Rxf7
- 1...Qe7
- 2.Rf5+
- 2...exf5
- 3.Rxe7#
- 2...exf5
- 2.Rxe7
- threat
- 3.Rf5#
- 3.Rdxe6#
- 3.Rexe6#
- threat
- 2.Rf5+
- 1...Rxe8!
- threat
- 1.f8Q?
- threat
- 2.Bf4#
- 2.Qf4#
- 1...Bf6
- 2.Bf4#
- 2.Qxf6#
- 1...Se3
- 2.Qf4#
- 1...Rxf8!
- threat
- 1.f8S?
- threat
- 2.Sg6#
- 2.Rxe6#
- 1...Qxe7
- 2.Sg6#
- 1...Rxe4
- 2.Sg6#
- 1...Bxe4
- 2.Sg6#
- 1...Qd7
- 2.Sg6#
- 2.Sxd7#
- 1...Rc6
- 2.Sg6#
- 1...Bd5
- 2.Sg6#
- 1...Rxf8!
- threat
- 1.Sc4+?
- Keys
- 1.g3!
- threat
- 2.Rf5+
- 2...exf5
- 3.Bf4#
- 2...exf5
- 2.Rf5+
- 1...Rxe4
- 2.f8S
- threat
- 3.Sg6#
- 2...Rxf8
- 3.Sc4#
- threat
- 2.f8S
- 1...Bxe4
- 2.f8Q
- threat
- 3.Bf4#
- 3.Qf4#
- 2...Rxf8
- 3.Sc6#
- 2...Bf6
- 3.Qxf6#
- threat
- 2.f8Q
- 1...Se3
- 2.Qxe3
- threat
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Qxe3
- threat
- 1.g3!
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