MESON Chess Problem Database
Problem Display
PID: 9125 (2b5/3p2P1/1R1Bnp2/2PkNBp1/r6p/PK1PQ3/NPr2p2/6bq w - - 0 1)
Strydom, Jan
1st Prize, The Problemist, 1969
#3
12 + 12
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qxf3+
- 2...Kd4
- 3.Qe4#
- 2...Re4
- 3.Qxe4#
- 2...Kd4
- 2.Qxf3+
- 1...Qe4
- 2.Bxe4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.dxe4+
- 2...Rxe4
- 3.Bxe4#
- 3.Qxe4#
- 2...Rxe4
- 2.Bxe4+
- 1...Qh2
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Qf3+
- 2...Kd4
- 3.Qe4#
- 2...Re4
- 3.Qxe4#
- 2...Kd4
- 2.Be4+
- 1...Qh3
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Rxb2+
- 2.Kxb2
- threat
- 3.Sc3#
- 2...Rb4+
- 3.Sxb4#
- 2...Rxa3
- 3.Sb4#
- 2...Rc4
- 3.dxc4#
- threat
- 2.Kxb2
- 1...Rd2
- 2.Sc3#
- 1...Re2
- 2.Sc3#
- 1...Rc3+
- 2.Sxc3#
- 1...Rxa3+
- 2.Kxa3
- threat
- 3.Sb4#
- 2...Rc3+
- 3.Sxc3#
- 2...Rxb2
- 3.Sc3#
- 2...Qe4
- 3.Bxe4#
- 3.Qxe4#
- 3.dxe4#
- 2...Rc4
- 3.dxc4#
- threat
- 2.Kxa3
- 1...Rb4+
- 2.Sxb4#
- 1...Rd4
- 2.Kxc2
- threat
- 3.Sc3#
- 2...Rc4+
- 3.dxc4#
- 2...Rxd3
- 3.Sb4#
- threat
- 2.Kxc2
- 1...Re4
- 2.Bxe4+
- 2...Qxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Qxe4
- 2.dxe4+
- 2...Qxe4
- 3.Bxe4#
- 3.Qxe4#
- 2...Qxe4
- 2.Bxe4+
- 1...Ra5
- 2.Sb4#
- 1...Ra6
- 2.Sb4#
- 1...Ra7
- 2.Sb4#
- 1...Ra8
- 2.Sb4#
- 1...Sd4+
- 2.Kxa4
- threat
- 3.Sb4#
- 2...Rc4+
- 3.dxc4#
- 2...Rxb2
- 3.Sc3#
- 2...Sxf5
- 3.g8Q#
- 3.g8B#
- 2...Sc6
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxa4
- 1...Sf4
- 2.Kxc2
- threat
- 3.Sc3#
- 2...Rc4+
- 3.dxc4#
- 2...Rxa3
- 3.Sb4#
- 2...Se2
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxa4
- threat
- 3.Sb4#
- 2...Qe4+
- 3.Qxe4#
- 3.dxe4#
- 2...Rc4+
- 3.dxc4#
- 2...Rxb2
- 3.Sc3#
- 2...Sxd3
- 3.Qxd3#
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxc2
- 1...Sxc5+
- 2.Kxc2
- threat
- 3.Sc3#
- 3.Qxc5#
- 2...Rc4+
- 3.dxc4#
- 2...Se4
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxc2
- 1...Sc7
- 2.Kxc2
- threat
- 3.Sc3#
- 2...Rc4+
- 3.dxc4#
- 2...Rxa3
- 3.Sb4#
- 2...Sb5
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxa4
- threat
- 3.Sb4#
- 2...Qe4+
- 3.Qxe4#
- 3.dxe4#
- 2...Rc4+
- 3.dxc4#
- 2...Rxb2
- 3.Sc3#
- 2...Sa6
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxc2
- 1...Sd8
- 2.Kxc2
- threat
- 3.Sc3#
- 2...Rc4+
- 3.dxc4#
- 2...Rxa3
- 3.Sb4#
- threat
- 2.Kxa4
- threat
- 3.Sb4#
- 2...Qe4+
- 3.Qxe4#
- 3.dxe4#
- 2...Rc4+
- 3.dxc4#
- 2...Rxb2
- 3.Sc3#
- 2...Sc6
- 3.g8Q#
- 3.g8B#
- threat
- 2.Kxc2
- 1...Sf8
- 2.Kxc2
- threat
- 3.Sc3#
- 2...Rc4+
- 3.dxc4#
- 2...Rxa3
- 3.Sb4#
- threat
- 2.Kxa4
- threat
- 3.Sb4#
- 2...Qe4+
- 3.Qxe4#
- 3.dxe4#
- 2...Rc4+
- 3.dxc4#
- 2...Rxb2
- 3.Sc3#
- threat
- 2.Kxc2
- 1...fxe5
- 2.Qxe5#
- 1...Qf3
- Tries
- 1.Kxc2?
- threat
- 2.Sc3#
- 1...Rc4+
- 2.dxc4#
- 1...Rxa3
- 2.Sb4#
- 1...Sd4+!
- threat
- 1.Kxa4?
- threat
- 2.Sb4#
- 1...Qe4+
- 2.Bxe4#
- 2.Qxe4#
- 2.dxe4#
- 1...Rc4+
- 2.dxc4#
- 1...Rxb2
- 2.Sc3#
- 1...Sxc5+!
- threat
- 1.Bxe6+?
- 1...dxe6
- 2.Kxc2
- threat
- 3.Sc3#
- 2...Rc4+
- 3.dxc4#
- 2...Rxa3
- 3.Sb4#
- threat
- 2.Kxc2
- 1...Kxe6!
- 1...dxe6
- 1.g8S?
- threat
- 2.Sxf6#
- 2.Se7#
- 1...Rxb2+
- 2.Kxb2
- threat
- 3.Sc3#
- 3.Sxf6#
- 3.Se7#
- 2...Rb4+
- 3.Sxb4#
- threat
- 2.Kxa4
- threat
- 3.Sc3#
- 3.Sxf6#
- 3.Se7#
- 2...Qe4+
- 3.Bxe4#
- 3.Qxe4#
- 3.dxe4#
- 2...Rb4+
- 3.Sxb4#
- 2...Sxc5+
- 3.Qxc5#
- threat
- 2.Kxb2
- 1...Rxa3+
- 2.Kxa3
- threat
- 3.Sb4#
- 3.Sxf6#
- 3.Se7#
- 2...Rc3+
- 3.Sxc3#
- threat
- 2.Kxa3
- 1...Sxc5+
- 2.Kxc2
- threat
- 3.Sc3#
- 3.Sxf6#
- 3.Se7#
- 3.Qxc5#
- 2...Rc4+
- 3.dxc4#
- threat
- 2.Kxc2
- 1...Sd4+!
- threat
- 1.Kxc2?
- Keys
- 1.Sf3!
- threat
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Qe4+
- 2...Rxe4
- 3.Bxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Rxb2+
- 2.Kxa4
- threat
- 3.Sc3#
- 3.Be4#
- 3.Qe4#
- 2...Rb4+
- 3.Sxb4#
- 2...Sxc5+
- 3.Qxc5#
- threat
- 2.Kxa4
- 1...Rxa3+
- 2.Kxc2
- threat
- 3.Sb4#
- 3.Be4#
- 3.Qe4#
- 2...Rc3+
- 3.Sxc3#
- 2...Sd4+
- 3.Qxd4#
- 2...Ra4
- 3.Sc3#
- threat
- 2.Kxc2
- 1...Sd4+
- 2.Qxd4+
- 2...Rxd4
- 3.g8Q#
- 3.g8B#
- 2...Rxd4
- 2.Qxd4+
- 1...Sxc5+
- 2.Qxc5+
- 2...Rxc5
- 3.g8Q#
- 3.g8B#
- 2...Rxc5
- 2.Qxc5+
- 1...Qxf3
- 2.Qxf3+
- 2...Kd4
- 3.Qe4#
- 2...Re4
- 3.Qxe4#
- 2...Kd4
- 2.Qxf3+
- 1...Sxg7
- 2.Qe4+
- 2...Rxe4
- 3.dxe4#
- 2...Rxe4
- 2.Qe4+
- 1...Rcc4
- 2.Be4+
- 2...Rxe4
- 3.Sc3#
- 2...Rxe4
- 2.Qe4+
- 2...Rxe4
- 3.Sc3#
- 2...Rxe4
- 2.Be4+
- 1...Rac4
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Qe4+
- 2...Rxe4
- 3.Bxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Rd4
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Bxe6+
- 2...dxe6
- 3.Qxd4#
- 2...dxe6
- 2.Qe4+
- 2...Rxe4
- 3.Bxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Rf4
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Qe4+
- 2...Rxe4
- 3.Bxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Rg4
- 2.Be4+
- 2...Rxe4
- 3.Qxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Qe4+
- 2...Rxe4
- 3.Bxe4#
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Sf4
- 2.Be4+
- 2...Ke6
- 3.g8Q#
- 3.g8B#
- 2...Rxe4
- 3.Qxe4#
- 2...Ke6
- 2.Qe4+
- 2...Rxe4
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Sc7
- 2.Be4+
- 2...Ke6
- 3.g8Q#
- 3.g8B#
- 2...Rxe4
- 3.Qxe4#
- 2...Ke6
- 2.Qe4+
- 2...Rxe4
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- 1...Sd8
- 2.Qe4+
- 2...Rxe4
- 3.dxe4#
- 2...Rxe4
- 2.Qe4+
- 1...Sf8
- 2.Be4+
- 2...Ke6
- 3.g8Q#
- 3.g8B#
- 2...Rxe4
- 3.Qxe4#
- 2...Ke6
- 2.Qe4+
- 2...Rxe4
- 3.dxe4#
- 2...Rxe4
- 2.Be4+
- threat
- 1.Sf3!
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