MESON Chess Problem Database
Problem Display
PID: 164565 (1n2B3/1K2kP2/1p2N1n1/1N1P1p2/3BP1pb/3pQ1p1/1p6/5q2 w - - 0 1)
Anderson, Gerald Frank
The Observer, 1926
(First published on Sun Aug 29 1926)
#3
9 + 11
| 15239 | Valois Notebooks | 2017 |
| 14986 | White-Hume Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- 1...Qg2
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- 1...Qh3
- 2.Sa7
- threat
- 3.Sc8#
- 2...Kd6
- 3.Sc8#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Sa7
- 1...Qb1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- 1...Qd1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- 1...Qh1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- 1...Qf3
- 2.Sa7
- threat
- 3.Sc8#
- 2...Kd6
- 3.Sc8#
- 2...Se5
- 3.f8Q#
- threat
- 2.Sa7
- 1...Qf4
- 2.Qxf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qxf4
- 1...Bg5
- 2.Qxg5#
- 1...Bf6
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.Bc5+
- 1...Sf4
- 2.f8Q#
- 1...Se5
- 2.f8Q#
- 1...Sh8
- 2.f8Q#
- 1...d2
- 2.Qa3#
- 1...Qe2
- Tries
- 1.Sd6?
- threat
- 2.Sc8#
- 1...Se5
- 2.f8Q#
- 1...Qc1
- 2.Sxf5#
- 1...Kxd6!
- threat
- 1.Sa7?
- threat
- 2.Sc8#
- 1...Kd6
- 2.Sc8#
- 1...Se5
- 2.f8Q#
- 1...Qc1!
- threat
- 1.Bc5+?
- 1...Kf6
- 2.Qd4+
- 2...Se5
- 3.f8Q#
- 3.f8R#
- 2...Se5
- 2.f8Q+
- 2...Ke5
- 3.Bd4#
- 3.Bd6#
- 3.Qd4#
- 2...Sxf8
- 3.Qd4#
- 3.e5#
- 2...Ke5
- 2.f8R+
- 2...Ke5
- 3.Bd4#
- 3.Bd6#
- 3.Qd4#
- 2...Sxf8
- 3.Qd4#
- 3.e5#
- 2...Ke5
- 2.Qd4+
- 1...bxc5!
- 1...Kf6
- 1.Bxb6?
- threat
- 2.Bd8#
- 1...Kf6
- 2.Qd4+
- 2...Ke7
- 3.Bc5#
- 3.Bd8#
- 2...Se5
- 3.f8Q#
- 2...Ke7
- 2.Qd4+
- 1...Sc6!
- threat
- 1.Bf6+?
- 1...Bxf6
- 2.Qxb6
- threat
- 3.Qc5#
- 3.Qd8#
- 3.Qd6#
- threat
- 2.Qxb6
- 1...Kxf6!
- 1...Bxf6
- 1.Qf4?
- threat
- 2.Qd6#
- 1...Sxf4
- 2.f8Q#
- 1...Se5
- 2.f8Q#
- 1...Qxf4!
- threat
- 1.Qh6?
- threat
- 2.Qg7
- threat
- 3.f8Q#
- 3.f8R#
- 2...Sf8
- 3.Qxf8#
- threat
- 2.Qxh4+
- 2...Sxh4
- 3.f8Q#
- 2...Sxh4
- 2.Qxg6
- threat
- 3.d6#
- 3.f8Q#
- 3.f8B#
- threat
- 2.Qh7
- threat
- 3.f8Q#
- 3.f8R#
- 2...Sf8
- 3.Qxh4#
- threat
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Qg7
- 1...fxe4
- 2.Qg7
- threat
- 3.f8Q#
- 2...Qxf7
- 3.Qxf7#
- 2...Sf8
- 3.Qxf8#
- threat
- 2.Qg7
- 1...Qh3
- 2.Sa7
- threat
- 3.Sc8#
- 2...Kd6
- 3.Sc8#
- threat
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qg7
- threat
- 3.f8Q#
- 3.f8R#
- 2...Sf8
- 3.Qxf8#
- threat
- 2.Qxg6
- threat
- 3.d6#
- 3.f8Q#
- 3.f8B#
- threat
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.f8R
- threat
- 3.Qg7#
- 3.Qh7#
- 2...Sxf8
- 3.Qxf8#
- 2...Bf6
- 3.Bxf6#
- 2...Se5
- 3.d6#
- 2...Sh8
- 3.d6#
- threat
- 2.Sa7
- 1...Qa1
- 2.Qxh4+
- 2...Sxh4
- 3.f8Q#
- 2...Sxh4
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Qxh4+
- 1...Qc1
- 2.Qxh4+
- 2...Qg5
- 3.Qxg5#
- 2...Sxh4
- 3.f8Q#
- 2...Qg5
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Qxh4+
- 1...Qh1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qg7
- threat
- 3.f8Q#
- 3.f8R#
- 2...Sf8
- 3.Qxf8#
- threat
- 2.Qxg6
- threat
- 3.d6#
- 3.f8Q#
- 3.f8B#
- threat
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.f8R
- threat
- 3.Qg7#
- 3.Qh7#
- 2...Sxf8
- 3.Qxf8#
- 2...Bf6
- 3.Bxf6#
- 2...Se5
- 3.d6#
- 2...Sh8
- 3.d6#
- threat
- 2.Qf4
- 1...Qf4
- 2.Qxf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qxh4+
- 2...Qg5
- 3.Qxg5#
- 2...Sxh4
- 3.f8Q#
- 2...Qg5
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Qxf4
- 1...Bf6
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- threat
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Bxb6
- 1...Sa6
- 2.Qxh4+
- 2...Sxh4
- 3.f8Q#
- 2...Sxh4
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Qxh4+
- 1...Sc6
- 2.Qxh4+
- 2...Sxh4
- 3.f8Q#
- 2...Sxh4
- 2.d6+
- 2...Kxe6
- 3.f8S#
- 2...Kxe6
- 2.f8Q+
- 2...Sxf8
- 3.Qxf8#
- 2...Sxf8
- 2.Qxh4+
- 1...Sd7!
- threat
- 1.Qxg3?
- threat
- 2.Qd6#
- 1...Qf4
- 2.Qxf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- 2...Bg3
- 3.Qg5#
- threat
- 2.Qxh4+
- 2...Qg5
- 3.Qxg5#
- 2...Sxh4
- 3.f8Q#
- 2...Qg5
- 2.Qxf4
- 1...f4
- 2.Qxh4+
- 2...Sxh4
- 3.f8Q#
- 2...Sxh4
- 2.Qxg4
- threat
- 3.d6#
- 2...Se5
- 3.Qxh4#
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxg4#
- 2...Kxe6
- 2.Qxh4+
- 1...Bxg3!
- threat
- 1.e5?
- threat
- 2.Sd6
- threat
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- 2...Qc1
- 3.Sxf5#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...b1Q
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bc5+
- 1...b1R
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bc5+
- 1...Qe2
- 2.Sd6
- threat
- 3.Sxf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qg2
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bc5+
- 1...Qh3
- 2.Sd6
- threat
- 3.Sxf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Sa7
- threat
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qa1
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bc5+
- 1...Qb1
- 2.Sd6
- threat
- 3.Sxf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qd1
- 2.Sd6
- threat
- 3.Sxf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qe1
- 2.Sd6
- threat
- 3.Sxf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qg1
- 2.Sd6
- threat
- 3.Sxf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qh1
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bc5+
- 1...Qf2
- 2.Sd6
- threat
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- 2...Qc2
- 3.Sxf5#
- threat
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Sd6
- 1...Qf3
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bc5+
- 1...Qf4
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bc5+
- 1...Sf8
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bc5+
- 1...Sa6
- 2.Bxb6
- threat
- 3.Bd8#
- 2...Sc5+
- 3.Bxc5#
- 3.Qxc5#
- 2...Sc7
- 3.Bc5#
- 3.Qc5#
- threat
- 2.Bxb6
- 1...Sc6
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bc5+
- 1...Sd7
- 2.Bxb6
- threat
- 3.Bd8#
- 2...Sc5+
- 3.Bxc5#
- 3.Qxc5#
- 2...Sxb6
- 3.Qc5#
- threat
- 2.d6+
- 2...Kxe6
- 3.Sc7#
- 2...Kxe6
- 2.Bxb6
- 1...f4
- 2.Sd6
- threat
- 3.Sf5#
- 3.Sc8#
- 2...Sxe5
- 3.f8Q#
- threat
- 2.Bc5+
- 2...bxc5
- 3.Qxc5#
- 2...bxc5
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- 3.Qc5#
- threat
- 2.Sd6
- 1...Qc1!
- threat
- 1.Sd6?
- Keys
- 1.Qf3!
- threat
- 2.d6+
- 2...Kxe6
- 3.exf5#
- 2...Kxe6
- 2.d6+
- 1...Qxf3
- 2.Sa7
- threat
- 3.Sc8#
- 2...Kd6
- 3.Sc8#
- 2...Se5
- 3.f8Q#
- threat
- 2.Sa7
- 1...gxf3
- 2.exf5
- threat
- 3.d6#
- 2...Se5
- 3.f8Q#
- threat
- 2.exf5
- 1...fxe4
- 2.Bxb6
- threat
- 3.Bc5#
- 3.Bd8#
- threat
- 2.Bxb6
- 1...Qe2
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.Qf4
- 1...Qg2
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.Qf4
- 1...Qh3
- 2.Sa7
- threat
- 3.Sc8#
- 2...Kd6
- 3.Sc8#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qxf5
- threat
- 3.d6#
- threat
- 2.exf5
- threat
- 3.d6#
- 2...Se5
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.Sa7
- 1...Qa1
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.d6+
- 1...Qb1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qxf5
- threat
- 3.d6#
- threat
- 2.exf5
- threat
- 3.d6#
- 2...Se5
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.Qf4
- 1...Qc1
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.d6+
- 1...Qd1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.Qxf5
- threat
- 3.d6#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.Qf4
- 1...Qe1
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.d6+
- 1...Qg1
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.d6+
- 1...Qh1
- 2.Qf4
- threat
- 3.Qd6#
- 2...Sxf4
- 3.f8Q#
- 2...Se5
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxf5#
- 3.exf5#
- 2...Kxe6
- 2.Qf4
- 1...f4
- 2.Qxg4
- threat
- 3.d6#
- 2...Se5
- 3.Qxh4#
- 3.f8Q#
- threat
- 2.d6+
- 2...Kxe6
- 3.Qxg4#
- 2...Kxe6
- 2.Qxg4
- threat
- 1.Qf3!
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