MESON Chess Problem Database
Problem Display
PID: 133548 (2r5/P3P3/4k3/3NN3/4QK2/8/4P3/8 w - - 0 1)
Bettmann, Henry Wald
The Theory of Pawn Promotion, 1912
#3
7 + 2
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.e8Q+
- 2...Kd6
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rc2
- 2.e8Q+
- 2...Kd6
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rc3
- 2.e8Q+
- 2...Kd6
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rc4
- 2.Qxc4
- 2...Kd6
- 3.Qc6#
- 2...Kd6
- 2.e8Q+
- 2...Kd6
- 3.Qe7#
- 2...Kd6
- 2.Qxc4
- 1...Rc5
- 2.Qf5+
- 2...Kxd5
- 3.Qd7#
- 2...Kd6
- 3.Qd7#
- 2...Kxd5
- 2.e8Q+
- 2...Kd6
- 3.Sf7#
- 3.Q8g6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.Qf5+
- 1...Rc6
- 2.e8Q+
- 2...Kd6
- 3.Qxc6#
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rc1
- Tries
- 1.Sc4+?
- 1...Kf7
- 2.Qh7+
- 2...Ke6
- 3.Qf5#
- 2...Ke8
- 3.Sf6#
- 2...Ke6
- 2.Qh7+
- 1...Kd7!
- 1...Kf7
- 1.Qb4?
- threat
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.Qb6+
- 1...Rc4+
- 2.Qxc4
- 2...Kd6
- 3.Qc6#
- 2...Kd6
- 2.Qxc4
- 1...Rf8+
- 2.exf8Q
- 2...Kxd5
- 3.Qbd6#
- 3.Qfd6#
- 3.Qc4#
- 3.Qf7#
- 3.Qg8#
- 2...Kxd5
- 2.exf8S+
- 2...Kxd5
- 3.e4#
- 3.a8Q#
- 3.a8B#
- 2...Kxd5
- 2.exf8B
- 2...Kxd5
- 3.Qd6#
- 3.Qc4#
- 2...Kxd5
- 2.exf8Q
- 1...Rc5
- 2.e8Q+
- 2...Kxd5
- 3.Qd2#
- 3.Qd7#
- 2...Kd6
- 3.Qc6#
- 3.Qd7#
- 2...Kxd5
- 2.e8Q+
- 1...Rc1
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kxd5
- 3.Qd7#
- 3.Qf7#
- 3.Qg8#
- 3.e4#
- 2...Kxd5
- 2.e8R+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rc2
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kxd5
- 3.Qd7#
- 3.Qf7#
- 3.Qg8#
- 3.e4#
- 2...Kxd5
- 2.e8R+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rc3
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kxd5
- 3.Qd7#
- 3.Qf7#
- 3.Qg8#
- 3.e4#
- 2...Kxd5
- 2.e8R+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rc6
- 2.e8Q+
- 2...Kxd5
- 3.Qxc6#
- 3.e4#
- 2...Kxd5
- 2.e8R+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.e8Q+
- 1...Rc7
- 2.Sxc7+
- 2...Kf6
- 3.e8S#
- 2...Kf6
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kxd5
- 3.e4#
- 2...Re7
- 3.Qc6#
- 2...Kxd5
- 2.Sxc7+
- 1...Ra8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rb8
- 2.axb8Q
- 2...Kxd5
- 3.Q4d6#
- 3.Q8d6#
- 3.Qc4#
- 3.Qg8#
- 2...Kxd5
- 2.axb8B
- 2...Kxd5
- 3.Qd6#
- 3.Qc4#
- 2...Kxd5
- 2.axb8Q
- 1...Rd8
- 2.exd8S+
- 2...Kxd5
- 3.e4#
- 3.a8Q#
- 3.a8B#
- 2...Kxd5
- 2.exd8S+
- 1...Re8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rg8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rh8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Kxd5!
- threat
- 1.a8Q?
- threat
- 2.Qg6#
- 1...Rf8+
- 2.Sf7+
- 2...Kd7
- 3.Qf5#
- 3.exf8S#
- 2...Kxf7
- 3.Qxf8#
- 3.exf8Q#
- 2...Kd7
- 2.Qxf8
- 2...Kd6
- 3.e8Q#
- 3.e8R#
- 2...Kd6
- 2.exf8S+
- 2...Kd6
- 3.Qc6#
- 3.Qb4#
- 3.Qa3#
- 2...Kd6
- 2.exf8R
- 2...Kd6
- 3.Qc6#
- 2...Kd6
- 2.Sf7+
- 1...Kd6
- 2.Qg6+
- 2...Kc5
- 3.Qb6#
- 2...Kc5
- 2.Qa6+
- 2...Kc5
- 3.Sd3#
- 3.Sd7#
- 3.Qec4#
- 3.Qb6#
- 2...Rc6
- 3.Qxc6#
- 2...Kc5
- 2.e8S+
- 2...Kc5
- 3.Qb4#
- 3.Qc4#
- 3.Qa5#
- 2...Ke6
- 3.Qf5#
- 3.Qg6#
- 3.Qxc8#
- 2...Rxe8
- 3.Qc6#
- 2...Kc5
- 2.Qg6+
- 1...Rc4
- 2.Sxc4+
- 2...Kd7
- 3.Qf5#
- 3.e8Q#
- 3.e8B#
- 2...Kf7
- 3.Qf8#
- 2...Kd7
- 2.Qxc4
- 2...Kd6
- 3.Qac6#
- 3.Qcc6#
- 3.Qaa6#
- 2...Kd6
- 2.Qa6+
- 2...Rc6
- 3.Qxc6#
- 2...Rc6
- 2.e8Q+
- 2...Kd6
- 3.Qe7#
- 2...Kd6
- 2.Sxc4+
- 1...Rxa8!
- threat
- 1.a8B?
- threat
- 2.Qg6#
- 1...Rf8+
- 2.exf8S+
- 2...Kd6
- 3.Qb4#
- 2...Kd6
- 2.exf8S+
- 1...Kd6
- 2.Qg6+
- 2...Kc5
- 3.Qb6#
- 2...Kc5
- 2.Qg6+
- 1...Rc4
- 2.Qxc4
- 2...Kd6
- 3.Qc6#
- 2...Kd6
- 2.e8Q+
- 2...Kd6
- 3.Qe7#
- 2...Kd6
- 2.Qxc4
- 1...Rc6
- 2.e8Q+
- 2...Kd6
- 3.Qxc6#
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rg8
- 2.e8Q+
- 2...Kd6
- 3.Qc6#
- 3.Qb4#
- 3.Qe7#
- 2...Rxe8
- 3.Qg6#
- 2...Kd6
- 2.e8R+
- 2...Kd6
- 3.Qb4#
- 2...Rxe8
- 3.Qg6#
- 2...Kd6
- 2.e8Q+
- 1...Rxa8!
- threat
- 1.e8Q+?
- 1...Kd6
- 2.Qe7#
- 1...Rxe8!
- 1...Kd6
- 1.e8R+?
- 1...Kd6
- 2.Rxc8
- 2...Ke6
- 3.Rc6#
- 2...Ke6
- 2.Rxc8
- 1...Rxe8!
- 1...Kd6
- 1.Sc4+?
- Keys
- 1.Qd4!
- threat
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.Qb6+
- 1...Rf8+
- 2.exf8R
- 2...Kd6
- 3.Rf6#
- 2...Kd6
- 2.exf8R
- 1...Kd6
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.Qb6+
- 1...Rc1
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kd6
- 3.Sf7#
- 3.Qg6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.Qb6+
- 1...Rc2
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kd6
- 3.Sf7#
- 3.Qg6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.Qb6+
- 1...Rc3
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kd6
- 3.Sf7#
- 3.Qg6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.Qb6+
- 1...Rc4
- 2.Qxc4
- 2...Kd6
- 3.Qc6#
- 2...Kd6
- 2.e8Q+
- 2...Kd6
- 3.Sxc4#
- 3.Sf7#
- 3.Qg6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.Qxc4
- 1...Rc5
- 2.e8Q+
- 2...Kd6
- 3.Sf7#
- 3.Qg6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rc6
- 2.e8Q+
- 2...Kd6
- 3.Sf7#
- 3.Qxc6#
- 3.Qg6#
- 3.Qd7#
- 3.Qe7#
- 2...Kd6
- 2.e8Q+
- 1...Rc7
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Rc6
- 3.Qxc6#
- 2...Kxd5
- 2.e8Q+
- 2...Kd6
- 3.Sc3#
- 3.Se3#
- 3.Sb4#
- 3.Sb6#
- 3.Sf6#
- 3.Qg6#
- 2...Re7
- 3.Qc6#
- 3.Qg6#
- 3.Qxe7#
- 2...Kd6
- 2.Qb6+
- 1...Ra8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rb8
- 2.axb8R
- 2...Kd6
- 3.Rb6#
- 2...Kd6
- 2.axb8R
- 1...Rd8
- 2.exd8B
- 2...Kd6
- 3.Sc7#
- 2...Kd6
- 2.exd8B
- 1...Re8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rg8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- 1...Rh8
- 2.Qb6+
- 2...Kxd5
- 3.e4#
- 2...Kxd5
- 2.Qb6+
- threat
- 1.Qd4!
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