MESON Chess Problem Database
Problem Display
PID: 216934 (4K3/bpN5/8/3Np2Q/3k2P1/pP1p1p2/3P2bP/1n3n2 w - - 0 1)
van Heycop ten Ham, AJCE
Deutsche Schachzeitung, 1890
#4
8 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Keys
- 1.Qh7!
- threat
- 2.Se6+
- 2...Kxd5
- 3.Qxb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qd7+
- 3...Ke4
- 4.Qxb7#
- 3...Ke4
- 3.Qxb7+
- 2...Kxd5
- 2.Qe4+
- 2...Kxe4
- 3.Sf6+
- 3...Kd4
- 4.Se6#
- 3...Kf4
- 4.Se6#
- 3...Kd4
- 3.Sf6+
- 2...Kc5
- 3.b4+
- 3...Kc6
- 4.Qg6#
- 3...Kd6
- 4.Qg6#
- 3...Kc6
- 3.Kd7
- threat
- 4.Qb4#
- 4.Qc4#
- 4.b4#
- threat
- 3.b4+
- 2...Kxe4
- 2.Se6+
- 1...Kc5
- 2.Se6+
- 2...Kb5
- 3.Qd7+
- 3...Ka5
- 4.Qa4#
- 3...Ka6
- 4.Qa4#
- 3...Ka5
- 3.Qd7+
- 2...Kxd5
- 3.Qxb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qd7+
- 3...Ke4
- 4.Qxb7#
- 3...Ke4
- 3.Qxb7+
- 2...Kb5
- 2.Qe7+
- 2...Kc6
- 3.Qd7+
- 3...Kc5
- 4.Se6#
- 3...Kc5
- 3.Qd7+
- 2...Kc6
- 2.Qd7
- threat
- 3.Se6#
- 2...Kd4
- 3.Se6+
- 3...Ke4
- 4.Sf6#
- 3...Ke4
- 3.Se6+
- threat
- 2.Se6+
- 1...Sbxd2
- 2.Se6+
- 2...Kxd5
- 3.Qxb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qxb7+
- 2...Kxd5
- 2.Se6+
- 1...Sfxd2
- 2.Se6+
- 2...Kxd5
- 3.Qxb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qxb7+
- 2...Kxd5
- 2.Se6+
- 1...e4
- 2.Qf5
- threat
- 3.Se6#
- 2...Kc5
- 3.Sb4+
- 3...Kxb4
- 4.Qb5#
- 3...Kd4
- 4.Sb5#
- 4.Se6#
- 4.Qd5#
- 3...Kb6
- 4.Sa8#
- 3...Kd6
- 4.Sb5#
- 3...Kxb4
- 3.Sb4+
- threat
- 2.Qe7
- threat
- 3.Sb5+
- 3...Kxd5
- 4.Qd6#
- 3...Kxd5
- 3.Qd6
- threat
- 4.Sc3#
- 4.Se3#
- 4.Sb4#
- 4.Sf4#
- 4.Sb6#
- 4.Sf6#
- 4.Se7#
- 4.Sb5#
- 4.Se6#
- threat
- 3.Sb5+
- 2...Bb8
- 3.Qf6+
- 3...Kc5
- 4.Qb6#
- 3...Kc5
- 3.Qd6
- threat
- 4.Sc3#
- 4.Se3#
- 4.Sb4#
- 4.Sf4#
- 4.Sb6#
- 4.Sf6#
- 4.Se7#
- 4.Sb5#
- 4.Se6#
- 3...Bxc7
- 4.Sxc7#
- threat
- 3.Qf6+
- 2...e3
- 3.Qb4+
- 3...Ke5
- 4.Qf4#
- 3...Ke5
- 3.dxe3+
- 3...Sxe3
- 4.Qxe3#
- 3...Sxe3
- 3.Sxe3
- threat
- 4.Sf5#
- 4.Sb5#
- 3...Sxe3
- 4.Qxe3#
- threat
- 3.Qb4+
- 2...b5
- 3.Sxb5+
- 3...Kxd5
- 4.Qd6#
- 3...Kxd5
- 3.Qd6
- threat
- 4.Sc3#
- 4.Se3#
- 4.Sb4#
- 4.Sf4#
- 4.Sb6#
- 4.Sf6#
- 4.Se7#
- 4.Sxb5#
- 4.Se6#
- threat
- 3.Sxb5+
- threat
- 2.Qf5
- 1...Bc5
- 2.Sb5+
- 2...Kxd5
- 3.Qxb7+
- 3...Ke6
- 4.Qf7#
- 3...Ke6
- 3.Qxb7+
- 2...Kxd5
- 2.Qe4+
- 2...Kxe4
- 3.Sf6+
- 3...Kd4
- 4.Sb5#
- 4.Se6#
- 3...Kf4
- 4.Se6#
- 3...Kd4
- 3.Sf6+
- 2...Kxe4
- 2.Sb5+
- 1...Bb8
- 2.Qe4+
- 2...Kxe4
- 3.Sf6+
- 3...Kd4
- 4.Se6#
- 3...Kf4
- 4.Se6#
- 3...Kd4
- 3.Sf6+
- 2...Kc5
- 3.Qb4+
- 3...Kc6
- 4.Qb6#
- 3...Kc6
- 3.b4+
- 3...Kc6
- 4.Qg6#
- 3...Kd6
- 4.Qg6#
- 3...Kc6
- 3.Kd7
- threat
- 4.Qb4#
- 4.Qc4#
- 4.b4#
- threat
- 3.Qb4+
- 2...Kxe4
- 2.Qe4+
- 1...Sc3
- 2.Se6+
- 2...Kxd5
- 3.Qxb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qxb7+
- 2...Kxd5
- 2.dxc3+
- 2...Kc5
- 3.Kd7
- threat
- 4.Qe7#
- threat
- 3.Qd7
- threat
- 4.Se6#
- threat
- 3.Kd7
- 2...Kc5
- 2.Se6+
- 1...Se3
- 2.Se6+
- 2...Kxd5
- 3.Qxb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qxb7+
- 2...Kxd5
- 2.Qe4+
- 2...Kxe4
- 3.Sf6+
- 3...Kd4
- 4.Se6#
- 3...Kf4
- 4.Se6#
- 3...Kd4
- 3.Sf6+
- 2...Kc5
- 3.b4+
- 3...Kc6
- 4.Qg6#
- 3...Kd6
- 4.Qg6#
- 3...Kc6
- 3.b4+
- 2...Kxe4
- 2.dxe3+
- 2...Kc5
- 3.Kd7
- threat
- 4.Qe7#
- threat
- 3.Qd7
- threat
- 4.Se6#
- threat
- 3.Kd7
- 2...Kc5
- 2.Se6+
- 1...f2
- 2.Se6+
- 2...Kxd5
- 3.Qd7+
- 3...Ke4
- 4.Qxb7#
- 3...Ke4
- 3.Qd7+
- 2...Kxd5
- 2.Se6+
- 1...b5
- 2.Se6+
- 2...Kxd5
- 3.Qb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qd7+
- 3...Ke4
- 4.Qc6#
- 4.Qb7#
- 3...Ke4
- 3.Qb7+
- 2...Kxd5
- 2.Qe4+
- 2...Kxe4
- 3.Sf6+
- 3...Kd4
- 4.Se6#
- 3...Kf4
- 4.Se6#
- 3...Kd4
- 3.Sf6+
- 2...Kc5
- 3.Kd7
- threat
- 4.Sa6#
- 4.Se6#
- 4.Qb4#
- 4.b4#
- 3...b4
- 4.Qxb4#
- 4.Qc4#
- threat
- 3.Kd7
- 2...Kxe4
- 2.Se6+
- 1...b6
- 2.Se6+
- 2...Kxd5
- 3.Qb7+
- 3...Kd6
- 4.Qd7#
- 3...Kxe6
- 4.Qc6#
- 3...Kd6
- 3.Qd7+
- 3...Ke4
- 4.Qc6#
- 4.Qb7#
- 3...Ke4
- 3.Qb7+
- 2...Kxd5
- 2.Qe4+
- 2...Kxe4
- 3.Sf6+
- 3...Kd4
- 4.Se6#
- 3...Kf4
- 4.Se6#
- 3...Kd4
- 3.Sf6+
- 2...Kc5
- 3.Kd7
- threat
- 4.Qb4#
- 4.Qc4#
- 4.b4#
- threat
- 3.Kd7
- 2...Kxe4
- 2.Kd7
- threat
- 3.Se6+
- 3...Kxd5
- 4.Qxd3#
- 3...Kxd5
- 3.Kc6
- threat
- 4.Sb5#
- 4.Se6#
- 3...e4
- 4.Qg7#
- 4.Qh8#
- threat
- 3.Se6+
- 2...Kc5
- 3.Qe7+
- 3...Kd4
- 4.Qb4#
- 3...Kd4
- 3.Qxd3
- threat
- 4.Sa6#
- 4.Se6#
- 4.Qc4#
- 4.b4#
- threat
- 3.Qe4
- threat
- 4.Qb4#
- 4.Qc4#
- 4.b4#
- threat
- 3.Qe7+
- 2...e4
- 3.Se6+
- 3...Kxd5
- 4.Qf5#
- 4.Qh5#
- 3...Ke5
- 4.Qf5#
- 4.Qh5#
- 3...Kxd5
- 3.Kd6
- threat
- 4.Sb5#
- 4.Se6#
- 4.Qg7#
- 4.Qh8#
- threat
- 3.Se6+
- 2...b5
- 3.Kc6
- threat
- 4.Sxb5#
- 4.Se6#
- 3...e4
- 4.Qg7#
- 4.Qh8#
- threat
- 3.Kc6
- threat
- 2.Qe7
- threat
- 3.Qb4#
- 2...Sbxd2
- 3.Qb4+
- 3...Sc4
- 4.Qxc4#
- 3...Sc4
- 3.Qb4+
- 2...Sfxd2
- 3.Qb4+
- 3...Sc4
- 4.Qxc4#
- 3...Sc4
- 3.Qb4+
- 2...Se3
- 3.Qb4+
- 3...Sc4
- 4.Qxc4#
- 3...Sc4
- 3.dxe3+
- 3...Ke4
- 4.Qb4#
- 4.Qh7#
- 3...Ke4
- 3.Sf6
- threat
- 4.Sb5#
- 4.Se6#
- threat
- 3.Qb4+
- 2...e4
- 3.Sb5+
- 3...Kxd5
- 4.Qd6#
- 3...Kxd5
- 3.Qd6
- threat
- 4.Sc3#
- 4.Se3#
- 4.Sb4#
- 4.Sf4#
- 4.Sxb6#
- 4.Sf6#
- 4.Se7#
- 4.Sb5#
- 4.Se6#
- threat
- 3.Sb5+
- threat
- 2.Se6+
- threat
- 1.Qh7!
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