MESON Chess Problem Database
Problem Display
PID: 140422 (k3r3/1RB5/1PP5/r6p/8/6pK/P2P2P1/5Q2 w - - 0 1)
Mostert, Joop
Probleemblad, 1976
#3
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Qf7
- threat
- 3.Qxa2#
- 3.Qxe8#
- 2...Rxd2
- 3.Ra7#
- 2...Re3
- 3.Rb8#
- 2...Re4
- 3.Rb8#
- 2...Re5
- 3.Rb8#
- 2...Re6
- 3.Rb8#
- threat
- 2.Qf7
- 1...Rb5
- 2.Ra7#
- 1...Rc5
- 2.Ra7#
- 2.Qa6#
- 1...Rd5
- 2.Ra7#
- 2.Qa6#
- 1...Rae5
- 2.Ra7#
- 2.Qa6#
- 1...Rf5
- 2.Ra7#
- 2.Qa6#
- 1...Rg5
- 2.Ra7#
- 2.Qa6#
- 1...Ra6
- 2.Qxa6#
- 1...Ra7
- 2.Rxa7#
- 1...Re1
- 2.Rb8#
- 1...Re2
- 2.Rb8#
- 1...Re3
- 2.Rb8#
- 1...Re4
- 2.Rb8#
- 1...Ree5
- 2.Rb8#
- 1...Re6
- 2.Rb8#
- 1...Re7
- 2.Rb8#
- 1...Rb8
- 2.Rxb8#
- 1...Rc8
- 2.Qf5
- threat
- 3.Qxc8#
- 3.Qxa5#
- 2...Rxf5
- 3.Ra7#
- threat
- 2.Qf5
- 1...Rf8
- 2.Qxf8#
- 1...Rxa2
- Tries
- 1.Qf4?
- threat
- 2.Qe5
- threat
- 3.Qxa5#
- 3.Qxe8#
- 2...Raxe5
- 3.Ra7#
- 2...Rexe5
- 3.Rb8#
- 2...Rd5
- 3.Ra7#
- threat
- 2.Qe5
- 1...Rxa2
- 2.Qf7
- threat
- 3.Qxa2#
- 3.Qxe8#
- 2...Rxd2
- 3.Ra7#
- 2...Re3
- 3.Rb8#
- 2...Re4
- 3.Rb8#
- 2...Re5
- 3.Rb8#
- 2...Re6
- 3.Rb8#
- threat
- 2.Qf7
- 1...Ra3
- 2.Qe3
- threat
- 3.Qxa3#
- 3.Qxe8#
- 2...Raxe3
- 3.Ra7#
- 2...Rexe3
- 3.Rb8#
- 2...Rd3
- 3.Ra7#
- 2...Re4
- 3.Rb8#
- 2...Re5
- 3.Rb8#
- threat
- 2.Qe3
- 1...Rc8
- 2.Qf5
- threat
- 3.Qxc8#
- 3.Qxa5#
- 2...Rxf5
- 3.Ra7#
- threat
- 2.Qf5
- 1...Rd8
- 2.Qg5
- threat
- 3.Qxd8#
- 3.Qxa5#
- 2...Rxg5
- 3.Ra7#
- 2...Rad5
- 3.Ra7#
- 2...Rdd5
- 3.Rb8#
- threat
- 2.Qg5
- 1...Rg8
- 2.Qg5
- threat
- 3.Qxa5#
- 3.Qxg8#
- 2...Raxg5
- 3.Ra7#
- 2...Rgxg5
- 3.Rb8#
- 2...Rd5
- 3.Ra7#
- 2...Re5
- 3.Ra7#
- 2...Rf5
- 3.Ra7#
- threat
- 2.Qg5
- 1...Rh8
- 2.Qe5
- threat
- 3.Qxh8#
- 3.Qxa5#
- 2...Rxe5
- 3.Ra7#
- 2...Rd5
- 3.Ra7#
- threat
- 2.Qe5
- 1...Ra6!
- threat
- 1.Qf7?
- threat
- 2.Qxe8#
- 1...Rc8
- 2.Qf5
- threat
- 3.Qxc8#
- 3.Qxa5#
- 2...Rxf5
- 3.Ra7#
- threat
- 2.Qf5
- 1...Rd8
- 2.Qd5
- threat
- 3.Qxa5#
- 3.Qxd8#
- 2...Raxd5
- 3.Ra7#
- 2...Rdxd5
- 3.Rb8#
- threat
- 2.Qd5
- 1...Rh8!
- threat
- 1.Qf8?
- threat
- 2.Qxe8#
- 1...Rd5
- 2.Ra7#
- 1...Re5
- 2.Ra7#
- 1...Rb8
- 2.Rxb8#
- 2.Qxb8#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxd8#
- 1...Rxf8!
- threat
- 1.a4?
- threat
- 2.Qb5
- threat
- 3.Qxa5#
- 2...Rxa4
- 3.Qxa4#
- 2...Rxb5
- 3.Ra7#
- 2...Ra6
- 3.Qxa6#
- 2...Ra7
- 3.Rxa7#
- 2...Re5
- 3.Rb8#
- threat
- 2.Qb5
- 1...Rc8
- 2.Qb5
- threat
- 3.Qxa5#
- 2...Rxa4
- 3.Qxa4#
- 2...Rxb5
- 3.Ra7#
- 2...Ra6
- 3.Qxa6#
- 2...Ra7
- 3.Rxa7#
- threat
- 2.Qf5
- threat
- 3.Qxc8#
- 3.Qxa5#
- 2...Rxf5
- 3.Ra7#
- threat
- 2.Qb5
- 1...Rd8
- 2.Qb5
- threat
- 3.Qxa5#
- 2...Rxa4
- 3.Qxa4#
- 2...Rxb5
- 3.Ra7#
- 2...Ra6
- 3.Qxa6#
- 2...Ra7
- 3.Rxa7#
- 2...Rd5
- 3.Rb8#
- threat
- 2.Qb5
- 1...Rg8
- 2.Qb5
- threat
- 3.Qxa5#
- 2...Rxa4
- 3.Qxa4#
- 2...Rxb5
- 3.Ra7#
- 2...Ra6
- 3.Qxa6#
- 2...Ra7
- 3.Rxa7#
- 2...Rg5
- 3.Rb8#
- threat
- 2.Qb5
- 1...Rh8
- 2.Qb5
- threat
- 3.Qxa5#
- 2...Rxa4
- 3.Qxa4#
- 2...Rxb5
- 3.Ra7#
- 2...Ra6
- 3.Qxa6#
- 2...Ra7
- 3.Rxa7#
- threat
- 2.Qb5
- 1...Rxa4!
- threat
- 1.Qf4?
- Keys
- 1.Qf3!
- 1...Rxa2
- 2.Qf7
- threat
- 3.Qxa2#
- 3.Qxe8#
- 2...Rxd2
- 3.Ra7#
- 2...Re3
- 3.Rb8#
- 2...Re4
- 3.Rb8#
- 2...Re5
- 3.Rb8#
- 2...Re6
- 3.Rb8#
- threat
- 2.Qf7
- 1...Ra4
- 2.Qe4
- threat
- 3.Qxa4#
- 3.Qxe8#
- 2...Raxe4
- 3.Ra7#
- 2...Rexe4
- 3.Rb8#
- 2...Rd4
- 3.Ra7#
- 2...Re5
- 3.Rb8#
- threat
- 2.Qe4
- 1...Ra6
- 2.Qe2
- threat
- 3.Qxa6#
- 3.Qxe8#
- 2...Rxe2
- 3.Rb8#
- threat
- 2.Qe2
- 1...Rc8
- 2.Qf5
- threat
- 3.Qxc8#
- 3.Qxa5#
- 2...Rxf5
- 3.Ra7#
- threat
- 2.Qf5
- 1...Rd8
- 2.Qd5
- threat
- 3.Qxa5#
- 3.Qxd8#
- 2...Raxd5
- 3.Ra7#
- 2...Rdxd5
- 3.Rb8#
- threat
- 2.Qd5
- 1...Rg8
- 2.Qd5
- threat
- 3.Qxg8#
- 3.Qxa5#
- 2...Rxd5
- 3.Ra7#
- 2...Rg5
- 3.Rb8#
- 3.Qd8#
- threat
- 2.Qd5
- 1...Rh8
- 2.Qc3
- threat
- 3.Qxa5#
- 3.Qxh8#
- 2...Rd5
- 3.Ra7#
- 2...Re5
- 3.Ra7#
- 2...Rf5
- 3.Ra7#
- 2...Rg5
- 3.Ra7#
- threat
- 2.Qc3
- 1...h4
- 2.Qh5
- threat
- 3.Qxe8#
- 3.Qxa5#
- 2...Rxh5
- 3.Ra7#
- 2...Rd5
- 3.Ra7#
- 2...Rae5
- 3.Ra7#
- 2...Ree5
- 3.Rb8#
- threat
- 2.Qh5
- 1...Rxa2
- 1.Qf3!
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