MESON Chess Problem Database
Problem Display
PID: 248533 (8/p1BR4/3Nn3/Pp1kNRP1/1Pp2P2/2P2p2/2nK1P2/1b6 w - - 0 1)
Erdos, Dr Geza
1st Prize, Schweizerische Schachzeitung, 1960
#4
12 + 8
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Keys
- 1.Kc1!
- threat
- 2.Sdxc4+
- 2...Ke4
- 3.Sd2+
- 3...Kxf5
- 4.Rf7#
- 3...Kxf5
- 3.Sd2+
- 2...Ke4
- 2.Sdxc4+
- 1...Sxb4
- 2.Sd3+
- 2...Kc6
- 3.Sxb4+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sxb4+
- 2...Kc6
- 2.Sd3+
- 1...Sxf4
- 2.Sef7+
- 2...Kc6
- 3.Sd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sd8+
- 2...Ke6
- 3.Sd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sd8+
- 2...Kc6
- 2.Rxf4
- threat
- 3.Sdxc4+
- 3...Ke6
- 4.Rf6#
- 3...Ke6
- 3.Se4+
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 3...Ke6
- 3.Sxb5+
- 3...Ke6
- 4.Rf6#
- 3...Ke6
- 3.Sf5+
- 3...Ke6
- 4.Sg7#
- 3...Ke6
- 3.Sb7+
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke6
- 3.Sdf7+
- 3...Ke6
- 4.Sd8#
- 4.Rf6#
- 3...Ke6
- 3.Sc8+
- 3...Ke6
- 4.Rf6#
- 3...Ke6
- 3.Se8+
- 3...Ke6
- 4.Sg7#
- 4.Rf6#
- 3...Ke6
- 3.Sdxc4+
- 2...Kxe5
- 3.Se4+
- 3...Ke6
- 4.Sc5#
- 3...Ke6
- 3.Sb7+
- 3...Ke6
- 4.Sc5#
- 3...Ke6
- 3.Se4+
- 2...Ke6
- 3.Sdxc4
- threat
- 4.Rf6#
- threat
- 3.Sxb5
- threat
- 4.Rf6#
- threat
- 3.Se4
- threat
- 4.Sc5#
- 4.Rf6#
- threat
- 3.Sf5
- threat
- 4.Sg7#
- threat
- 3.Sb7
- threat
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- threat
- 3.Sdf7
- threat
- 4.Sd8#
- 4.Rf6#
- threat
- 3.Sc8
- threat
- 4.Rf6#
- threat
- 3.Se8
- threat
- 4.Sg7#
- 4.Rf6#
- threat
- 3.Sdxc4
- threat
- 2.Sef7+
- 1...Sxg5
- 2.Sdf7+
- 2...Ke4
- 3.Sxg5+
- 3...Kxf5
- 4.Rf7#
- 3...Kxf5
- 3.Sxg5+
- 2...Ke6
- 3.Sxg5+
- 3...Kxf5
- 4.Rf7#
- 3...Kxf5
- 3.Sxg5+
- 2...Ke4
- 2.Sdf7+
- 1...Sxc7
- 2.Sb7+
- 2...Ke4
- 3.Sc5+
- 3...Kxf5
- 4.Rf7#
- 3...Kxf5
- 3.Sc5+
- 2...Ke4
- 2.Sb7+
- 1...Sed4
- 2.Sb7+
- 2...Ke4
- 3.Sc5+
- 3...Kxf5
- 4.Rf7#
- 3...Kxf5
- 3.Sc5+
- 2...Ke4
- 2.Sb7+
- 1...Sc5
- 2.Sef7+
- 2...Kc6
- 3.Sd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sd8+
- 2...Ke6
- 3.Sd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sd8+
- 2...Kc6
- 2.Sef7+
- 1...Sg7
- 2.Sb7+
- 2...Ke4
- 3.Sc5+
- 3...Kxf5
- 4.Rf7#
- 3...Kxf5
- 3.Sc5+
- 2...Ke4
- 2.Sb7+
- 1...Sd8
- 2.Sef7+
- 2...Kc6
- 3.Sxd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sxd8+
- 2...Ke6
- 3.Sxd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Rxd8
- threat
- 4.Re5#
- 3...Ke7
- 4.Re5#
- threat
- 3.Sxd8+
- 2...Kc6
- 2.Sef7+
- 1...Sf8
- 2.Sef7+
- 2...Kc6
- 3.Sd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sd8+
- 2...Ke6
- 3.Sd8+
- 3...Kxd7
- 4.Rf7#
- 3...Kxd7
- 3.Sd8+
- 2...Kc6
- 2.Rxf8
- threat
- 3.Sdxc4+
- 3...Ke4
- 4.Sd2#
- 3...Ke6
- 4.Rf6#
- 4.f5#
- 3...Ke4
- 3.Sf5+
- 3...Ke4
- 4.Sg3#
- 3...Ke6
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 4.f5#
- 3...Ke4
- 3.Sdxc4+
- 2...Ke6
- 3.Sdxc4
- threat
- 4.Rf6#
- 4.f5#
- threat
- 3.Sxb5
- threat
- 4.Rf6#
- 4.f5#
- threat
- 3.Se4
- threat
- 4.Sc5#
- 4.Rf6#
- 4.f5#
- threat
- 3.Sf5
- threat
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- threat
- 3.Sb7
- threat
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 4.f5#
- threat
- 3.Sc8
- threat
- 4.Rd6#
- 4.Rf6#
- 4.f5#
- threat
- 3.Se8
- threat
- 4.Sg7#
- 4.Rf6#
- 4.f5#
- threat
- 3.Sdxc4
- 2...Sxb4
- 3.Se4+
- 3...Kxe4
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 4.f5#
- 3...Kxe4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke4
- 3.Se4+
- 2...Sa1
- 3.Sdxc4+
- 3...Ke4
- 4.Sd2#
- 4.Rd4#
- 3...Ke6
- 4.Rf6#
- 3...Ke4
- 3.Se4+
- 3...Kxe4
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 4.f5#
- 3...Kxe4
- 3.Sxb5+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Rf6#
- 3...Ke4
- 3.Sf5+
- 3...Ke4
- 4.Sg3#
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke4
- 3.Sc8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Se8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sg7#
- 4.Rf6#
- 3...Ke4
- 3.Sdxc4+
- 2...Se1
- 3.Sdxc4+
- 3...Ke4
- 4.Sd2#
- 4.Rd4#
- 3...Ke6
- 4.Rf6#
- 3...Ke4
- 3.Se4+
- 3...Kxe4
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 4.f5#
- 3...Kxe4
- 3.Sxb5+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Rf6#
- 3...Ke4
- 3.Sf5+
- 3...Ke4
- 4.Sg3#
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke4
- 3.Sc8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Se8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sg7#
- 4.Rf6#
- 3...Ke4
- 3.Sdxc4+
- 2...Sa3
- 3.Sdxc4+
- 3...Ke4
- 4.Sd2#
- 4.Rd4#
- 3...Ke6
- 4.Rf6#
- 3...Ke4
- 3.Se4+
- 3...Kxe4
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 4.f5#
- 3...Kxe4
- 3.Sxb5+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Rf6#
- 3...Ke4
- 3.Sf5+
- 3...Ke4
- 4.Sg3#
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke4
- 3.Sc8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Se8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sg7#
- 4.Rf6#
- 3...Ke4
- 3.Sdxc4+
- 2...Se3
- 3.Sdxc4+
- 3...Ke4
- 4.Sd2#
- 4.Rd4#
- 3...Ke6
- 4.Rf6#
- 3...Ke4
- 3.Se4+
- 3...Kxe4
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 3...Kxe4
- 3.Sxb5+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Rf6#
- 3...Ke4
- 3.Sf5+
- 3...Ke4
- 4.Sg3#
- 4.Rd4#
- 3...Ke6
- 4.Sd4#
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 4.Rd4#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke4
- 3.Sc8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Se8+
- 3...Ke4
- 4.Rd4#
- 3...Ke6
- 4.Sg7#
- 4.Rf6#
- 3...Ke4
- 3.Sdxc4+
- 2...Sd4
- 3.Sdxc4+
- 3...Ke4
- 4.Sd2#
- 4.Rxd4#
- 3...Ke6
- 4.Rf6#
- 3...Ke4
- 3.Se4+
- 3...Kxe4
- 4.Rxd4#
- 3...Ke6
- 4.Sc5#
- 4.Rf6#
- 3...Kxe4
- 3.Sxb5+
- 3...Ke4
- 4.Rxd4#
- 3...Ke6
- 4.Sxd4#
- 4.Rf6#
- 3...Ke4
- 3.Sf5+
- 3...Ke4
- 4.Sg3#
- 4.Rxd4#
- 3...Ke6
- 4.Sxd4#
- 4.Sg7#
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Sb7+
- 3...Ke4
- 4.Sc5#
- 4.Rxd4#
- 3...Ke6
- 4.Sc5#
- 4.Sd8#
- 4.Rf6#
- 3...Ke4
- 3.Sc8+
- 3...Ke4
- 4.Rxd4#
- 3...Ke6
- 4.Rd6#
- 4.Rf6#
- 3...Ke4
- 3.Se8+
- 3...Ke4
- 4.Rxd4#
- 3...Ke6
- 4.Sg7#
- 4.Rf6#
- 3...Ke4
- 3.Sdxc4+
- threat
- 2.Sef7+
- threat
- 1.Kc1!
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