MESON Chess Problem Database
Problem Display
PID: 134332 (1B1r1b2/7q/P6p/KPk1NN2/1p6/1B1R3r/5P2/7b w - - 0 1)
Matthews, Robin CO
The Problemist, 1967
#4
9 + 8
| 14609 | Mostly Three=Movers | 1995 |
SOLUTION
- SOUND
- Keys
- 1.f3!
- threat
- 2.Sd7+
- 2...Qxd7
- 3.Rd5+
- 3...Qxd5
- 4.Ba7#
- 3...Qxd5
- 3.Rd5+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Rd5#
- 3...Rxa7
- 3.Ba7+
- 2...Qxd7
- 2.Rxd8
- threat
- 3.Sd3#
- 3.Rd5#
- 2...Qc7+
- 3.Bxc7
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Bb6#
- 4.Rd5#
- threat
- 3.Bxc7
- threat
- 2.Rd7
- threat
- 3.Sd3#
- 3.Ba7#
- 2...Qxd7
- 3.Sd3+
- 3...Qxd3
- 4.Ba7#
- 3...Qxd3
- 3.Sd3+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Sd3#
- 3...Rxa7
- 3.Ba7+
- threat
- 2.Sd7+
- 1...Qc7+
- 2.Bxc7
- threat
- 3.Bb6#
- 2...Rd6
- 3.Sd7+
- 3...Rxd7
- 4.Bb6#
- 3...Rxd7
- 3.Bb6+
- 3...Rxb6
- 4.Sd7#
- 4.Rd5#
- 3...Rxb6
- 3.Bxd6+
- 3...Bxd6
- 4.Sd7#
- 4.Rd5#
- 3...Bxd6
- 3.Rd5+
- 3...Rxd5
- 4.Bb6#
- 3...Rxd5
- 3.Sxd6
- threat
- 4.Sd7#
- 4.Se4#
- 4.Sb7#
- 4.Bb6#
- 4.Rd5#
- threat
- 3.Rxd6
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Bb6#
- 4.Rd5#
- 4.Rc6#
- threat
- 3.Sc6
- threat
- 4.Bb6#
- 3...Rxc6
- 4.Rd5#
- threat
- 3.Sd7+
- threat
- 2.Bxc7
- 1...Qb7
- 2.axb7
- threat
- 3.Ba7#
- 2...Rd6
- 3.Sd7+
- 3...Rxd7
- 4.Ba7#
- 3...Rxd7
- 3.Bxd6+
- 3...Bxd6
- 4.Sd7#
- 4.Rd5#
- 3...Bxd6
- 3.Ba7+
- 3...Rb6
- 4.Sd7#
- 4.Bxb6#
- 4.Rd5#
- 3...Rb6
- 3.Rd5+
- 3...Rxd5
- 4.Ba7#
- 3...Rxd5
- 3.Sxd6
- threat
- 4.Sd7#
- 4.Se4#
- 4.Ba7#
- 4.Rd5#
- threat
- 3.Rxd6
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Ba7#
- 4.Rd5#
- 4.Rc6#
- threat
- 3.Sc6
- threat
- 4.Ba7#
- 3...Rxc6
- 4.Rd5#
- threat
- 3.Sd7+
- threat
- 2.axb7
- 1...Qe7
- 2.Sd7+
- 2...Qxd7
- 3.Rd5+
- 3...Qxd5
- 4.Ba7#
- 3...Qxd5
- 3.Rd5+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Rd5#
- 3...Rxa7
- 3.Ba7+
- 2...Qxd7
- 2.Rd7
- threat
- 3.Sd3#
- 3.Ba7#
- 2...Qxd7
- 3.Sd3+
- 3...Qxd3
- 4.Ba7#
- 3...Qxd3
- 3.Sd3+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Sd3#
- 3...Rxa7
- 3.Ba7+
- 2...Qd6
- 3.Sd3+
- 3...Qxd3
- 4.Ba7#
- 4.Rc7#
- 3...Qxd3
- 3.Bxd6+
- 3...Bxd6
- 4.Sd3#
- 3...Bxd6
- 3.Ba7+
- 3...Qb6+
- 4.Bxb6#
- 3...Qb6+
- 3.Sd3+
- threat
- 2.Sd7+
- 1...Qf7
- 2.Sxf7
- threat
- 3.Ba7#
- 2...Rd6
- 3.Bxd6+
- 3...Bxd6
- 4.Rd5#
- 3...Bxd6
- 3.Ba7+
- 3...Rb6
- 4.Bxb6#
- 4.Rd5#
- 3...Rb6
- 3.Rd5+
- 3...Rxd5
- 4.Ba7#
- 3...Rxd5
- 3.S5xd6
- threat
- 4.Se4#
- 4.Sb7#
- 4.Ba7#
- 4.Rd5#
- threat
- 3.S7xd6
- threat
- 4.Se4#
- 4.Sb7#
- 4.Ba7#
- 4.Rd5#
- threat
- 3.Rxd6
- threat
- 4.Ba7#
- 4.Rd5#
- 4.Rc6#
- threat
- 3.Bxd6+
- 2...Rd7
- 3.Ba7+
- 3...Rxa7
- 4.Rd5#
- 3...Rxa7
- 3.Rd5+
- 3...Rxd5
- 4.Ba7#
- 3...Rxd5
- 3.Rxd7
- threat
- 4.Ba7#
- 4.Rd5#
- 4.Rc7#
- threat
- 3.Sd8
- threat
- 4.Se6#
- 3...Rxd8
- 4.Ba7#
- 3...Rd6
- 4.Sb7#
- 3...Re7
- 4.Bd6#
- 4.Rd5#
- threat
- 3.Ba7+
- threat
- 2.Bxf7
- threat
- 3.Ba7#
- 2...Rd6
- 3.Bxd6+
- 3...Bxd6
- 4.Sd7#
- 4.Rd5#
- 3...Bxd6
- 3.Ba7+
- 3...Rb6
- 4.Sd7#
- 4.Bxb6#
- 4.Rd5#
- 3...Rb6
- 3.Rd5+
- 3...Rxd5
- 4.Ba7#
- 3...Rxd5
- 3.Sxd6
- threat
- 4.Sd7#
- 4.Se4#
- 4.Sb7#
- 4.Ba7#
- 4.Rd5#
- threat
- 3.Rxd6
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Ba7#
- 4.Rd5#
- 4.Rc6#
- threat
- 3.Bxd6+
- threat
- 2.Rxd8
- threat
- 3.Sd3#
- 2...Qc7+
- 3.Bxc7
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Bb6#
- 4.Rd5#
- threat
- 3.Bxc7
- 2...Rxf3
- 3.Ba7+
- 3...Qxa7
- 4.Rd5#
- 3...Qxa7
- 3.Rd5+
- 3...Qxd5
- 4.Ba7#
- 3...Qxd5
- 3.Rc8+
- 3...Qc7+
- 4.Rxc7#
- 3...Qc7+
- 3.Ba7+
- threat
- 2.Rd7
- threat
- 3.Sd3#
- 3.Ba7#
- 2...Qxd7
- 3.Sd3+
- 3...Qxd3
- 4.Ba7#
- 3...Qxd3
- 3.Sd3+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Sd3#
- 3...Rxa7
- 3.Ba7+
- threat
- 2.Sxf7
- 1...Qg7
- 2.Sd7+
- 2...Qxd7
- 3.Rd5+
- 3...Qxd5
- 4.Ba7#
- 3...Qxd5
- 3.Rd5+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Rd5#
- 3...Rxa7
- 3.Ba7+
- 2...Qxd7
- 2.Sxg7
- threat
- 3.Se6#
- 3.Ba7#
- 2...Rd6
- 3.Sd7+
- 3...Rxd7
- 4.Se6#
- 3...Rxd7
- 3.Se6+
- 3...Rxe6
- 4.Sd7#
- 4.Rd5#
- 3...Rxe6
- 3.Bxd6+
- 3...Bxd6
- 4.Sd7#
- 4.Se6#
- 4.Rd5#
- 3...Bxd6
- 3.Ba7+
- 3...Rb6
- 4.Sd7#
- 4.Se6#
- 4.Bxb6#
- 4.Rd5#
- 3...Rb6
- 3.Rd5+
- 3...Rxd5
- 4.Se6#
- 3...Rxd5
- 3.Rxd6
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Se6#
- 4.Rd5#
- threat
- 3.Sc6
- threat
- 4.Ba7#
- 3...Rxd3
- 4.Se6#
- 3...Rxc6
- 4.Rd5#
- 3...Rd4
- 4.Se6#
- 3...Rd5
- 4.Se6#
- 4.Rxd5#
- 3...Rd7
- 4.Se6#
- threat
- 3.Sd7+
- threat
- 2.Rxd8
- threat
- 3.Sd3#
- 3.Rd5#
- 2...Qc7+
- 3.Bxc7
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Bb6#
- 4.Rd5#
- threat
- 3.Bxc7
- threat
- 2.Rd7
- threat
- 3.Sd3#
- 3.Ba7#
- 2...Qxd7
- 3.Sd3+
- 3...Qxd3
- 4.Ba7#
- 3...Qxd3
- 3.Sd3+
- 2...Rxd7
- 3.Ba7+
- 3...Rxa7
- 4.Sd3#
- 3...Rxa7
- 3.Ba7+
- threat
- 2.Sd7+
- 1...Rd4
- 2.Rxd4
- threat
- 3.Sd3#
- 3.Rd5#
- 2...Qc7+
- 3.Bxc7
- threat
- 4.Sd3#
- 4.Sd7#
- 4.Bb6#
- 4.Rd5#
- threat
- 3.Bxc7
- threat
- 2.Rxd4
- threat
- 1.f3!
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