MESON Chess Problem Database
Problem Display
PID: 36018 (2K1B3/1P4B1/1Pp1p1PQ/4NkNP/8/4n1PP/br2P3/8 w - - 0 1)
O'Keefe, John James
Recomm., BCF 005. Ty., 1930-1931
#3
13 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- threat
- 2.Sef3
- 1...Bb3
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- threat
- 2.Sef3
- 1...Bc4
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- threat
- 2.Sxc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 2...Sxc4
- 3.e4#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- threat
- 2.Sef3
- 1...Bd5
- 2.Se4
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Kxe4
- 3.Qf4#
- threat
- 2.Sgf7
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Ke4
- 3.Qf4#
- threat
- 2.Se4
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sg4
- 2.e4#
- 2.hxg4#
- 1...Sd5
- 2.e4#
- 1...c5
- 2.Sc6
- threat
- 3.Se7#
- 2...Sd5
- 3.e4#
- threat
- 2.Sc6
- 1...Rxe2
- Tries
- 1.Sd3?
- threat
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.b8Q
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.g4+
- 1...Rxe2
- 2.b8Q
- threat
- 3.Qf4#
- 3.Qe5#
- 2...Sg2
- 3.g4#
- 2...Sd5
- 3.g4#
- 2...e5
- 3.Qxe5#
- threat
- 2.b8Q
- 1...Rxb6
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.g4+
- 1...Rb3
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.b8Q
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Bd7#
- 3.Qxe5#
- threat
- 2.g4+
- 1...Rb5
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.g4+
- 1...Bb1
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.b8Q
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Bd7#
- 3.Qxe5#
- threat
- 2.g4+
- 1...Bc4
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.g4+
- 1...Bd5
- 2.b8Q
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.b8Q
- 1...e5
- 2.Bd7+
- 2...Be6
- 3.Bxe6#
- 2...Be6
- 2.g4+
- 2...Sxg4
- 3.e4#
- 2...Sxg4
- 2.Bd7+
- 1...Rb4!
- threat
- 1.Sef3?
- threat
- 2.Sd4#
- 2.Sh4#
- 1...Rd2
- 2.Sh4#
- 1...Sc2
- 2.Sh4#
- 2.e4#
- 1...Sg2
- 2.Sd4#
- 2.e4#
- 1...c5
- 2.Sh4#
- 1...e5
- 2.Sh4#
- 1...Rb4!
- threat
- 1.Sc4?
- threat
- 2.Sxe3#
- 2.Sd6#
- 1...Rxe2
- 2.Sd6#
- 1...Sxc4
- 2.e4#
- 1...Rd2
- 2.Sxe3#
- 1...Rb3
- 2.Sd6#
- 1...Sd1
- 2.Sd6#
- 2.e4#
- 1...Sf1
- 2.Sd6#
- 2.e4#
- 1...Sc2
- 2.Sd6#
- 2.e4#
- 1...Sg2
- 2.Sd6#
- 2.e4#
- 1...Sg4
- 2.Sd6#
- 2.e4#
- 1...Sd5
- 2.Sd6#
- 2.e4#
- 1...Bxc4!
- threat
- 1.Sg4?
- threat
- 2.Sxe3#
- 1...Rb3
- 2.b8Q
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Bd7#
- 3.Qxe5#
- threat
- 2.b8Q
- 1...Rxe2!
- threat
- 1.Sxc6?
- threat
- 2.Sd4#
- 2.Se7#
- 1...Rb4
- 2.Se7#
- 1...Rd2
- 2.Se7#
- 1...Sc2
- 2.Se7#
- 2.e4#
- 1...Sd5
- 2.Sd4#
- 2.e4#
- 1...e5
- 2.Se7#
- 1...Rc2!
- threat
- 1.Sef7?
- threat
- 2.Sd6#
- 1...Sc4
- 2.e4#
- 1...Rd2!
- threat
- 1.Se4?
- threat
- 2.Sd6#
- 2.Qf4#
- 1...Rd2
- 2.Qf4#
- 1...Sg2
- 2.Sd6#
- 1...Sc4
- 2.Qf4#
- 1...Sd5
- 2.Sd6#
- 1...Kxe4!
- threat
- 1.Sgf7?
- threat
- 2.Sd6#
- 2.Qf4#
- 1...Rb4
- 2.Sd6#
- 1...Rd2
- 2.Qf4#
- 1...Sg2
- 2.Sd6#
- 1...Sc4
- 2.Qf4#
- 1...Sd5
- 2.Sd6#
- 1...Ke4!
- threat
- 1.Bxc6?
- threat
- 2.Be4#
- 1...Rb4
- 2.Sgf7
- threat
- 3.Sd6#
- 3.Qg5#
- threat
- 2.Sgf7
- 1...Bb1
- 2.Se4
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Sgf7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qg5#
- threat
- 2.Se4
- 1...Bd5
- 2.Se4
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Kxe4
- 3.Qf4#
- threat
- 2.Sgf7
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Ke4
- 3.Qf4#
- threat
- 2.Se4
- 1...Rc2!
- threat
- 1.b8Q?
- threat
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sg4
- threat
- 3.Sxe3#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qd3#
- 2...Sd5
- 3.Qxe6#
- 3.e4#
- threat
- 2.Qa7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qc7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qb7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Sd3
- 1...Rxe2
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...Sg2
- 3.g4#
- 2...Sd5
- 3.g4#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...Sg2
- 3.g4#
- 2...Sd5
- 3.g4#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qd3#
- 2...Sg4
- 3.hxg4#
- 2...Sd5
- 3.Qxe6#
- threat
- 2.Sd3
- 1...Rb4
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sxc6
- threat
- 3.Se7#
- 3.Qe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qe5#
- 2...Sc4
- 3.Qf4#
- 3.e4#
- 3.g4#
- threat
- 2.Sc4
- 1...Rc2
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sg4
- threat
- 3.Sxe3#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qd3#
- 2...Sd5
- 3.Qxe6#
- 3.e4#
- threat
- 2.Qa7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qc7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qb7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Sd3
- 1...Rd2
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sd3
- 1...Rb3
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Bd7#
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sg4
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Bd7#
- 3.Qxe5#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qxe6#
- threat
- 2.Qa7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qc7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qb7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Sd3
- 1...Rb5
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 2...Rb4
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- threat
- 2.Sg4
- threat
- 3.Sxe3#
- 3.Qf4#
- 2...Re5
- 3.Qxe5#
- 2...Sg2
- 3.e4#
- 2...Sd5
- 3.Qe5#
- 3.e4#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- 3.Qf4#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qd3#
- 2...Sd5
- 3.Qxe6#
- 3.e4#
- threat
- 2.Qa7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qc7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qb7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Sef3
- 1...Bb1
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Bd7#
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sg4
- threat
- 3.Sxe3#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qxe6#
- threat
- 2.Sd3
- 1...Bc4
- 2.Sxc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sxc4
- 1...Bd5
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sg4
- threat
- 3.Sxe3#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Se4
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Kxe4
- 3.Qf4#
- threat
- 2.Sgf7
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Ke4
- 3.Qf4#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 2...Sg4
- 3.hxg4#
- threat
- 2.Qa7
- threat
- 3.Qf7#
- 2...Sg4
- 3.hxg4#
- threat
- 2.Qc7
- threat
- 3.Qf7#
- 2...Sg4
- 3.hxg4#
- threat
- 2.Qb7
- threat
- 3.Qf7#
- 2...Sg4
- 3.hxg4#
- threat
- 2.Sd3
- 1...c5
- 2.Sd3
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef3
- threat
- 3.Sh4#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sg4
- threat
- 3.Sxe3#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sc6
- threat
- 3.Se7#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Sd7
- threat
- 3.Qf4#
- 3.Qe5#
- 2...e5
- 3.Qxe5#
- threat
- 2.Sef7
- threat
- 3.Sd6#
- 3.Qf4#
- 3.Qe5#
- threat
- 2.Qd6
- threat
- 3.Qf8#
- 3.Qd3#
- 2...Sd5
- 3.Qxe6#
- 3.e4#
- threat
- 2.Qa7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qc7
- threat
- 3.Qf7#
- 2...Sg4
- 3.e4#
- 3.hxg4#
- 2...Sd5
- 3.e4#
- threat
- 2.Qb7
- threat
- 3.Qf3#
- 3.Qe4#
- 3.Qf7#
- 2...Sd5
- 3.e4#
- threat
- 2.Sd3
- 1...Rxb6!
- threat
- 1.Sd3?
- Keys
- 1.Bd7!
- 1...Rxe2
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- threat
- 2.Sef3
- 1...Rxb6
- 2.Sg4
- threat
- 3.Sxe3#
- 2...Sxg4
- 3.e4#
- 2...Rb3
- 3.Bxe6#
- 2...Sd1
- 3.e4#
- 2...Sf1
- 3.e4#
- 2...Sc2
- 3.e4#
- 2...Sg2
- 3.e4#
- 2...Sc4
- 3.Bxe6#
- 3.e4#
- 2...Sd5
- 3.Bxe6#
- 3.e4#
- threat
- 2.Sg4
- 1...Rb4
- 2.Sxc6
- threat
- 3.Se7#
- 2...Rc4
- 3.Bxe6#
- 2...Sd5
- 3.Bxe6#
- threat
- 2.Sxc6
- 1...Rb1
- 2.Sg4
- threat
- 3.Sxe3#
- 2...Sxg4
- 3.e4#
- 2...Rb3
- 3.Bxe6#
- 2...Sd1
- 3.e4#
- 2...Sf1
- 3.e4#
- 2...Sc2
- 3.e4#
- 2...Sg2
- 3.e4#
- 2...Sc4
- 3.Bxe6#
- 3.e4#
- 2...Sd5
- 3.Bxe6#
- 3.e4#
- threat
- 2.Sg4
- 1...Rc2
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- 2...Rc4
- 3.Bxe6#
- threat
- 2.Sef3
- 1...Rd2
- 2.Sef3
- threat
- 3.Sh4#
- 2...Rd4
- 3.Sxd4#
- 2...Sg2
- 3.e4#
- threat
- 2.Sef3
- 1...Rb5
- 2.Sef7
- threat
- 3.Sd6#
- 2...Rd5
- 3.Bxe6#
- 2...Sc4
- 3.Bxe6#
- 3.e4#
- threat
- 2.Sef7
- 1...Bb3
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- threat
- 2.Sef3
- 1...Bc4
- 2.Sef3
- threat
- 3.Sd4#
- 3.Sh4#
- threat
- 2.Sxc4
- threat
- 3.Sxe3#
- 3.Sd6#
- 3.Bxe6#
- threat
- 2.Sxc6
- threat
- 3.Sd4#
- 3.Se7#
- threat
- 2.Sef3
- 1...Bd5
- 2.Se4
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Kxe4
- 3.Qf4#
- threat
- 2.Sgf7
- threat
- 3.Sd6#
- 3.Qf4#
- 2...Ke4
- 3.Qf4#
- threat
- 2.Se4
- 1...c5
- 2.Sc6
- threat
- 3.Se7#
- 2...Sd5
- 3.Bxe6#
- 3.e4#
- threat
- 2.Sc6
- 1...Rxe2
- 1.Bd7!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).