MESON Chess Problem Database
Problem Display
PID: 226535 (8/2R3K1/3Qp1B1/N7/1p1Pp2p/b2k4/q5R1/1n3N2 w - - 0 1)
O'Keefe, John James
British Chess Magazine, 1931
#3
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Sxb3
- threat
- 3.Qa6#
- 2...Sd2
- 3.Rxd2#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qf4
- threat
- 3.Qe3#
- 3.Qxe4#
- 2...Kxd4
- 3.Qxe4#
- threat
- 2.Sxb3
- 1...Qa1
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Qb2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Qc2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Qc4
- 3.Qxc4#
- 2...Kxd4
- 2.Qa6+
- 1...Qd2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Qe2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Qf2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Qxg2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...e5
- 2.dxe5+
- 2...Qd5
- 3.Qxd5#
- 2...Qd5
- 2.dxe5+
- 1...Qb3
- Tries
- 1.Rxa2?
- threat
- 2.Sb3
- threat
- 3.Qa6#
- 2...Sd2
- 3.Rxd2#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Be8
- threat
- 3.Bb5#
- 2...Sd2
- 3.Rxd2#
- 2...e3
- 3.Bg6#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qf4
- threat
- 3.Qe3#
- 3.Qxe4#
- 2...Kxd4
- 3.Qd6#
- 3.Qxe4#
- threat
- 2.Qc5
- threat
- 3.Qc4#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Qe5
- threat
- 3.Bxe4#
- 3.Qxe4#
- 2...Sd2
- 3.Rxd2#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qc6
- threat
- 3.Qxe4#
- 3.Qc4#
- 2...Kxd4
- 3.Qxe4#
- 3.Qd6#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Qxe6
- threat
- 3.Qc4#
- 3.Qxe4#
- 2...Kxd4
- 3.Qxe4#
- 3.Qd6#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Sb3
- 1...Bb2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Bc1
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...h3
- 2.Sb3
- threat
- 3.Qg3#
- 3.Qa6#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Be8
- threat
- 3.Bb5#
- 2...Sd2
- 3.Rxd2#
- 2...e3
- 3.Bg6#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qg3+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qf4
- threat
- 3.Qe3#
- 3.Qxe4#
- 2...Kxd4
- 3.Qd6#
- 3.Qxe4#
- threat
- 2.Qc5
- threat
- 3.Qc4#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Qe5
- threat
- 3.Bxe4#
- 3.Qxe4#
- 2...Sd2
- 3.Rxd2#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qc6
- threat
- 3.Qxe4#
- 3.Qc4#
- 2...Kxd4
- 3.Qxe4#
- 3.Qd6#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Qxe6
- threat
- 3.Qc4#
- 3.Qxe4#
- 2...Kxd4
- 3.Qxe4#
- 3.Qd6#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Sb3
- 1...b3!
- threat
- 1.Rd2+?
- 1...Qxd2
- 2.Qa6+
- 2...Kxd4
- 3.Qd6#
- 2...Kxd4
- 2.Qa6+
- 1...Sxd2!
- 1...Qxd2
- 1.Qf4?
- threat
- 2.Qe3#
- 2.Qxe4#
- 1...Kxd4
- 2.Qxe4#
- 1...Qxg2
- 2.Qe3#
- 1...Qc4
- 2.Qe3#
- 1...Qf2
- 2.Qxe4#
- 1...Qd5
- 2.Qe3#
- 1...Qd2
- 2.Qxe4#
- 1...Bc1
- 2.Qxe4#
- 1...Sd2
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...Qe2!
- threat
- 1.Qa6+?
- 1...Qc4
- 2.Qxc4#
- 1...Kxd4!
- 1...Qc4
- 1.Qc6?
- threat
- 2.Qxe4#
- 1...Sd2
- 2.Rxd2+
- 2...Qxd2
- 3.Qxe4#
- 3.Qc4#
- 2...Qxd2
- 2.Rxd2+
- 1...Sc3
- 2.Qc4+
- 2...Qxc4
- 3.Rd2#
- 2...Qxc4
- 2.Qc4+
- 1...Qd5!
- threat
- 1.Qxe6?
- threat
- 2.Qxe4#
- 1...Qd5
- 2.Bxe4+
- 2...Kxd4
- 3.Qxd5#
- 2...Qxe4
- 3.Qc4#
- 2...Kxd4
- 2.Qxd5
- threat
- 3.Bxe4#
- 3.Qc4#
- 3.Qxe4#
- 2...Sd2
- 3.Rxd2#
- threat
- 2.Bxe4+
- 1...Sd2
- 2.Rxd2+
- 2...Qxd2
- 3.Qc4#
- 3.Qxe4#
- 2...Qxd2
- 2.Rxd2+
- 1...Sc3
- 2.Qc4+
- 2...Qxc4
- 3.Rd2#
- 2...Qxc4
- 2.Qc4+
- 1...Qxe6!
- threat
- 1.Rxa2?
- Keys
- 1.Sb3!
- threat
- 2.Qa6#
- 1...Qxb3
- 2.Qf4
- threat
- 3.Qe3#
- 3.Qxe4#
- 2...Kxd4
- 3.Qxe4#
- threat
- 2.Qf4
- 1...Qc2
- 2.Rgxc2
- threat
- 3.Qa6#
- 2...Sd2
- 3.Rxd2#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qa6+
- 2...Qc4
- 3.Qxc4#
- 2...Qc4
- 2.Rgxc2
- 1...Bb2
- 2.Bh5
- threat
- 3.Be2#
- 2...Bxd4+
- 3.Qxd4#
- 2...e3
- 3.Bg6#
- 2...Ba1
- 3.Sc1#
- 2...Bc1
- 3.Sxc1#
- 2...Ba3
- 3.Qa6#
- 2...Bc3
- 3.Sc1#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Qe5
- threat
- 3.Bxe4#
- 3.Qxe4#
- 3.Qb5#
- 2...Sd2
- 3.Rxd2#
- 2...Sc3
- 3.Rd2#
- threat
- 2.Bh5
- 1...Sd2
- 2.Rxd2+
- 2...Qxd2
- 3.Qa6#
- 2...Qxd2
- 2.Qa6+
- 2...Sc4
- 3.Qxc4#
- 2...Sc4
- 2.Rxd2+
- 1...Sc3
- 2.Qa6+
- 2...Sb5
- 3.Qxb5#
- 2...Sb5
- 2.Qa6+
- threat
- 1.Sb3!
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