MESON Chess Problem Database
Problem Display
PID: 232233 (B7/3P4/1k1p2r1/RN1R4/3pN2b/1p3QP1/b1r2P2/4BK2 w - - 0 1)
Kozdon, Baldur
Schweizerische Schachzeitung, 1987
#3
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxf2+
- 2.Qxf2
- threat
- 3.Qxd4#
- 2...Rf6
- 3.d8Q#
- 3.d8B#
- 2...Bf6
- 3.Rxd6#
- threat
- 2.Qxf2
- 1...Rc8
- 2.dxc8S#
- 1...Rxg3
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Rg4
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Rg5
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 2...Rc7
- 2.Rxd6+
- 1...Rf6
- 2.d8Q+
- 2...Rc7
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 2...Rc7
- 2.d8Q+
- 1...Rg7
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Rg8
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Bxg3
- 2.d8Q+
- 2...Rc7
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 2...Rc7
- 2.d8Q+
- 1...Bf6
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Rxf2+
- Tries
- 1.Sexd6?
- threat
- 2.Sc8+
- 2...Rxc8
- 3.dxc8S#
- 2...Rxc8
- 2.Sc8+
- 1...Rxf2+
- 2.Qxf2
- threat
- 3.Sc4#
- 3.Sc8#
- 3.Qxd4#
- threat
- 2.Qxf2
- 1...Rxd6
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.Rxd6+
- 1...Rc3
- 2.Qxc3
- threat
- 3.Sc4#
- 3.Sc8#
- 3.Qxd4#
- 3.Qc5#
- 3.Qc6#
- 3.Qc7#
- threat
- 2.Qxc3
- 1...Rc1
- 2.Sc8+
- 2...Rxc8
- 3.dxc8S#
- 2...Rxc8
- 2.Sc8+
- 1...Rc5
- 2.Sc8+
- 2...Rxc8
- 3.dxc8S#
- 2...Rxc8
- 2.Sc8+
- 1...Rc6
- 2.Sc8+
- 2...Rxc8
- 3.dxc8S#
- 2...Rxc8
- 2.Sc8+
- 1...Rc7
- 2.Sc8+
- 2...Rxc8
- 3.dxc8S#
- 2...Rxc8
- 2.Sc8+
- 1...Rg8!
- threat
- 1.Sf6?
- threat
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Rxd6+
- 1...Rxf6
- 2.d8Q+
- 2...Rc7
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 2...Rc7
- 2.d8Q+
- 1...Bxg3
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.d8Q+
- 1...Bxf6
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.Rxd6+
- 1...Rc3
- 2.Qxc3
- threat
- 3.Rxd6#
- 3.Qxd4#
- 3.Qc6#
- 3.Qc7#
- 3.d8Q#
- 3.d8B#
- threat
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Qxc3
- 1...Rc1
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Rxd6+
- 1...Rc4
- 2.Rxd6+
- 2...Kc5
- 3.Se4#
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 3.Qf5#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Rxd6+
- 1...Rc5
- 2.Rxc5
- threat
- 3.Rc6#
- 3.Qc6#
- 2...Kxc5
- 3.Qc6#
- threat
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Rxc5
- 1...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.d8Q+
- 1...Rc7
- 2.Rxd6+
- 2...Kc5
- 3.Qd5#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.Rxd6+
- 1...Rg5
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Rxd6+
- 1...Rg7
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.Rxd6+
- 1...Rg8
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.Rxd6+
- 1...b2
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 2...Kc5
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 2...Rc7
- 2.Rxd6+
- 1...d3
- 2.Rxd6+
- 2...Kc5
- 3.Rc6#
- 3.Qd5#
- 3.Qc6#
- 2...Rc6
- 3.Rxc6#
- 3.Qxc6#
- 3.Qe3#
- 2...Kc5
- 2.Qe3+
- 2...Rc5
- 3.Rxd6#
- 3.d8Q#
- 3.d8B#
- 2...Rc5
- 2.d8Q+
- 2...Rc7
- 3.Sd7#
- 3.Qxc7#
- 3.Qe3#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Sd7#
- 3.Bxc7#
- 3.Qe3#
- 2...Rc7
- 2.Rxd6+
- 1...Rxf2+!
- threat
- 1.Rxd6+?
- 1...Rc6
- 2.Sc5
- threat
- 3.Sa4#
- 3.Qxc6#
- 2...Kxc5
- 3.Qxc6#
- threat
- 2.Qf6
- threat
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- threat
- 2.Qf8
- threat
- 3.Qb8#
- 2...Rg8
- 3.Rxc6#
- 2...Bd8
- 3.Qxd8#
- threat
- 2.Sc5
- 1...Rxd6!
- 1...Rc6
- 1.Qf8?
- threat
- 2.Qb8#
- 1...Rxf2+
- 2.Sxf2
- threat
- 3.Qb8#
- 2...Rg8
- 3.Qxd6#
- 2...Bd8
- 3.Qxd8#
- threat
- 2.Qxf2
- threat
- 3.Qxd4#
- 2...Rf6
- 3.d8Q#
- 3.d8B#
- 2...Bf6
- 3.Rxd6#
- threat
- 2.Sxf2
- 1...Rd2
- 2.Bxd2
- threat
- 3.Qb8#
- 2...Rg8
- 3.Rxd6#
- 3.Qxd6#
- 2...Bd8
- 3.Qxd8#
- threat
- 2.d8Q+
- 2...Bxd8
- 3.Qxd8#
- 2...Bxd8
- 2.d8B+
- 2...Bxd8
- 3.Qxd8#
- 2...Bxd8
- 2.Bxd2
- 1...Rc7
- 2.Qb8+
- 2...Rb7
- 3.Qxb7#
- 2...Rb7
- 2.Qc8
- threat
- 3.Ra6#
- 3.Qa6#
- 3.Qxc7#
- 2...Rxc8
- 3.dxc8S#
- 2...Ra7
- 3.Qc6#
- 2...Rb7
- 3.Qxb7#
- threat
- 2.Qb8+
- 1...Rg8
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Qxd6+
- 2...Rc6
- 3.Qxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Bd8
- 2.Qxd8+
- 2...Rc7
- 3.Qxc7#
- 2...Rc7
- 2.Qxd8+
- 1...Rc3!
- threat
- 1.d8Q+?
- 1...Rc7
- 2.Qxc7#
- 1...Bxd8!
- 1...Rc7
- 1.d8B+?
- 1...Rc7
- 2.Bxc7#
- 1...Bxd8!
- 1...Rc7
- 1.Sexd6?
- Keys
- 1.Qf6!
- threat
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 2...Rc7
- 2.Rxd6+
- 1...Rxf2+
- 2.Qxf2
- threat
- 3.Qxd4#
- 2...Rf6
- 3.d8Q#
- 3.d8B#
- 2...Bf6
- 3.Rxd6#
- threat
- 2.Qxf2
- 1...Rxg3
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.Qxd4+
- 2...Rc5
- 3.Rxd6#
- 2...Rc5
- 2.Qxd6+
- 2...Rc6
- 3.Qb8#
- 3.Qxc6#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 3.Qfxd6#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxd6#
- 2...Rc7
- 2.Rxd6+
- 1...Rxf6
- 2.d8Q+
- 2...Rc7
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 2...Rc7
- 2.d8Q+
- 1...Bxg3
- 2.Qxd4+
- 2...Rc5
- 3.d8Q#
- 3.d8B#
- 2...Rc5
- 2.Qd8+
- 2...Rc7
- 3.Qxc7#
- 2...Rc7
- 2.d8Q+
- 2...Rc7
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Qxd4#
- 2...Rc7
- 2.Qxd4+
- 1...Bxf6
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Rc3
- 2.Bxc3
- threat
- 3.Rxd6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- threat
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 2...Rc7
- 2.Bxc3
- 1...Rc7
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q
- threat
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- threat
- 2.d8B
- threat
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- threat
- 2.Rxd6+
- 1...Rc1
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 2...Rc7
- 2.Rxd6+
- 1...Rc4
- 2.Sexd6
- threat
- 3.Sxc4#
- 3.Sc8#
- 2...Rc3
- 3.Sc4#
- 2...Rb4
- 3.Sc4#
- 3.d8Q#
- 3.d8B#
- 2...Rc8
- 3.Sc4#
- 3.Sxc8#
- 3.dxc8S#
- threat
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 2...Rc7
- 2.Sexd6
- 1...Rc5
- 2.Sxc5
- threat
- 3.Sa4#
- 3.d8Q#
- 3.d8B#
- threat
- 2.Rxc5
- threat
- 3.Rc6#
- 3.d8Q#
- 3.d8B#
- threat
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 2...Rc7
- 2.Sxc5
- 1...Rc6
- 2.Rxd6
- threat
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- threat
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 2...Rc7
- 2.Rxd6
- 1...Rg4
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.Qxd4+
- 2...Rc5
- 3.Rxd6#
- 2...Rc5
- 2.Qxd6+
- 2...Rc6
- 3.Qb8#
- 3.Qxc6#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 3.Qfxd6#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxd6#
- 2...Rc7
- 2.Rxd6+
- 1...Rg5
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qd8#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.Qxd4+
- 2...Rc5
- 3.Rxd6#
- 3.d8Q#
- 3.d8B#
- 2...Rc5
- 2.Qd8+
- 2...Rc7
- 3.Rxd6#
- 3.Qxc7#
- 2...Rc7
- 2.Qxd6+
- 2...Rc6
- 3.Qb8#
- 3.Qxc6#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxc7#
- 3.Qfxd6#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qxd4#
- 3.Qxd6#
- 2...Rc7
- 2.Rxd6+
- 1...Rg7
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 2...Rc6
- 2.Qxd4+
- 2...Rc5
- 3.Rxd6#
- 2...Rc5
- 2.Qxd6+
- 2...Rc6
- 3.Qb8#
- 3.Qxc6#
- 2...Rc6
- 2.Rxd6+
- 1...Rg8
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qxd4#
- 2...Rc6
- 2.Qxd4+
- 2...Rc5
- 3.Rxd6#
- 2...Rc5
- 2.Qxd6+
- 2...Rc6
- 3.Qxc6#
- 2...Rc6
- 2.Rxd6+
- 1...d3
- 2.Rxd6+
- 2...Rc6
- 3.Rxc6#
- 3.Qd4#
- 3.d8Q#
- 3.d8B#
- 2...Rc6
- 2.d8Q+
- 2...Rc7
- 3.Rxd6#
- 3.Qd4#
- 3.Qxc7#
- 2...Rc7
- 2.d8B+
- 2...Rc7
- 3.Bxc7#
- 3.Rxd6#
- 3.Qd4#
- 2...Rc7
- 2.Rxd6+
- threat
- 1.Qf6!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).