MESON Chess Problem Database
Problem Display
PID: 164767 (3Q4/2pp4/6P1/4k1p1/1R2P3/K7/2PPB3/8 w - - 0 1)
Challenger, Alfred Clement
The Observer, 1926
(First published on Sun Oct 17 1926)
#3
8 + 4
| 15239 | Valois Notebooks | 2017 |
| 14986 | White-Hume Collection | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qxc7+
- 2...d6
- 3.Qxd6#
- 2...d6
- 2.Qxc7+
- 1...Kd6
- 2.Qf6+
- 2...Kc5
- 3.Rb5#
- 3.d4#
- 2...Kc5
- 2.Qf6+
- 1...c5
- 2.Qe7+
- 2...Kf4
- 3.Qd6#
- 2...Kf4
- 2.Qe7+
- 1...c6
- 2.Qe7+
- 2...Kf4
- 3.Qd6#
- 2...Kf4
- 2.Qe7+
- 1...d5
- 2.Qxc7+
- 2...Ke6
- 3.Rb6#
- 2...Kf6
- 3.Rb6#
- 2...Ke6
- 2.Qe7+
- 2...Kf4
- 3.Qxc7#
- 2...Kf4
- 2.Qxc7+
- 1...d6
- 2.Qxg5+
- 2...Ke6
- 3.Bg4#
- 2...Ke6
- 2.Qxg5+
- 1...Kf4
- Tries
- 1.Rb5+?
- 1...Kd4
- 2.Bd3
- threat
- 3.Rd5#
- 3.Qf6#
- 3.Qxd7#
- 3.Qh8#
- threat
- 2.Qxg5
- threat
- 3.Rb4#
- 3.Qe3#
- 3.Qd5#
- 3.Qe5#
- 2...Kxe4
- 3.Rb4#
- 3.Qe3#
- 3.Qh4#
- 3.Qg4#
- 3.Qe5#
- 2...d5
- 3.Qxd5#
- threat
- 2.Qf6+
- 2...Kxe4
- 3.Bd3#
- 3.Bf3#
- 3.Qe5#
- 2...Kxe4
- 2.Qxc7
- threat
- 3.Rb4#
- 3.Qe5#
- 3.Qc4#
- 2...Kxe4
- 3.Qe5#
- 3.Qc4#
- threat
- 2.Qe7
- threat
- 3.Rb4#
- 3.Rd5#
- 3.Qb4#
- 3.Qe5#
- 3.c3#
- threat
- 2.Qxd7+
- 2...Kxe4
- 3.Qg4#
- 2...Kxe4
- 2.Qa8
- threat
- 3.Qd5#
- 3.Qa4#
- 3.c3#
- 2...d5
- 3.Qxd5#
- threat
- 2.Qe8
- threat
- 3.Rd5#
- 3.Qe5#
- 3.c3#
- threat
- 2.Qg8
- threat
- 3.Qc4#
- 3.Qd5#
- 2...Kxe4
- 3.Qc4#
- 2...d5
- 3.Qxd5#
- threat
- 2.Qh8+
- 2...Kxe4
- 3.Qe5#
- 2...Kxe4
- 2.Bd3
- 1...Kxe4
- 2.Qf6
- threat
- 3.Bd3#
- 3.Bf3#
- 3.Qe5#
- threat
- 2.Qe7+
- 2...Kd4
- 3.Qb4#
- 3.Qe3#
- 3.Qe5#
- 3.c3#
- 2...Kf4
- 3.Qe3#
- 3.Qe5#
- 2...Kd4
- 2.Qe8+
- 2...Kd4
- 3.Qe3#
- 3.Qe5#
- 3.c3#
- 2...Kf4
- 3.Qe3#
- 3.Qe5#
- 2...Kd4
- 2.Qf6
- 1...Kf4
- 2.Qxg5+
- 2...Kxe4
- 3.Rb4#
- 3.Qe3#
- 3.Qh4#
- 3.Qg4#
- 3.Qe5#
- 2...Kxe4
- 2.Qxg5+
- 1...Ke6
- 2.Bg4+
- 2...Kd6
- 3.Qf6#
- 3.Qxd7#
- 2...Kd6
- 2.Rd5
- threat
- 3.Bg4#
- 2...g4
- 3.Bxg4#
- threat
- 2.Bg4+
- 1...d5
- 2.Qxd5+
- 2...Kf4
- 3.Qe5#
- 2...Kf6
- 3.Qf7#
- 2...Kf4
- 2.Qxd5+
- 1...c5!
- 1...Kd4
- 1.Qxg5+?
- 1...Kd6
- 2.Rd4+
- 2...Kc6
- 3.Qb5#
- 2...Ke6
- 3.Bg4#
- 2...Kc6
- 2.Qf6+
- 2...Kc5
- 3.Rb5#
- 3.d4#
- 2...Kc5
- 2.Rd4+
- 1...Ke6!
- 1...Kd6
- 1.Qf8?
- threat
- 2.d4+
- 2...Kxe4
- 3.Qf3#
- 2...Ke6
- 3.Bg4#
- 2...Kxe4
- 2.d4+
- 1...Ke6
- 2.d4
- threat
- 3.Bg4#
- 2...g4
- 3.Bxg4#
- threat
- 2.d4
- 1...c5
- 2.Qe7+
- 2...Kf4
- 3.Qd6#
- 2...Kf4
- 2.Qe7+
- 1...g4!
- threat
- 1.Qh8+?
- 1...Kd6
- 2.Qf6+
- 2...Kc5
- 3.Rb5#
- 3.d4#
- 2...Kc5
- 2.Qf6+
- 1...Ke6!
- 1...Kd6
- 1.d4+?
- 1...Kxe4
- 2.Qxg5
- threat
- 3.Qe5#
- 3.d5#
- threat
- 2.Qxg5
- 1...Ke6
- 2.Bc4+
- 2...Kd6
- 3.Qf6#
- 2...d5
- 3.Bxd5#
- 2...Kd6
- 2.Bg4+
- 2...Kd6
- 3.Qf6#
- 3.Qxd7#
- 2...Kd6
- 2.Qf8
- threat
- 3.Bg4#
- 2...g4
- 3.Bxg4#
- threat
- 2.Bc4+
- 1...Kf4!
- 1...Kxe4
- 1.Rb5+?
- Keys
- 1.Rd4!
- threat
- 2.Qxg5+
- 2...Kxd4
- 3.Qd5#
- 2...Ke6
- 3.Bg4#
- 2...Kxd4
- 2.Qxg5+
- 1...Kxd4
- 2.Qf6+
- 2...Kxe4
- 3.Bf3#
- 2...Kc5
- 3.d4#
- 2...Kxe4
- 2.Qf6+
- 1...Kf4
- 2.Qxc7+
- 2...d6
- 3.Qxd6#
- 2...d6
- 2.Qxc7+
- 1...Ke6
- 2.Rd5
- threat
- 3.Bg4#
- 2...g4
- 3.Bxg4#
- threat
- 2.Rd5
- 1...g4
- 2.Qg5+
- 2...Kxd4
- 3.Qd5#
- 2...Ke6
- 3.Bxg4#
- 2...Kxd4
- 2.Qg5+
- 1...c6
- 2.Qe7+
- 2...Kxd4
- 3.c3#
- 2...Kf4
- 3.Qd6#
- 2...Kxd4
- 2.Qe7+
- 1...d5
- 2.Qe7+
- 2...Kxd4
- 3.c3#
- 2...Kf4
- 3.Qxc7#
- 2...Kxd4
- 2.Qe7+
- threat
- 1.Rd4!
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