MESON Chess Problem Database
Problem Display
PID: 42227 (3N4/1P3RnK/1P1N3n/4k1B1/2ppB3/3p4/b5P1/2q5 w - - 0 1)
Knoppel, Jan Heribert
3rd HM., Tidskrift for Schack, 1949
#3
9 + 8
| 3680 | Jan Knoppel Udvalgte Skakproblemer | 1955 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Bf4#
- 1...Qa3
- 2.Bf4#
- 1...Qf4
- 2.Bxf4#
- 1...Qa1
- 2.Bf4#
- 1...Qb1
- 2.Bf4#
- 1...Qd1
- 2.Bf4#
- 1...Qe1
- 2.Bf4#
- 1...Qg1
- 2.Bf4#
- 1...Qh1
- 2.Bf4#
- 1...Qc2
- 2.Bf4#
- 1...Qc3
- 2.Bf4#
- 1...Se6
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S8f7#
- 2...Kxd6
- 2.Rf5+
- 1...d2
- 2.Bf4#
- 1...Qb2
- Tries
- 1.Sc6+?
- 1...Ke6
- 2.Rf6+
- 2...Kd7
- 3.b8S#
- 2...Kd7
- 2.Rf6+
- 1...Kxd6!
- 1...Ke6
- 1.Bc6?
- threat
- 2.Sxc4+
- 2...Qxc4
- 3.Bf4#
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Qxc4
- 2.Sxc4+
- 1...Kxd6
- 2.Be7+
- 2...Ke5
- 3.b8Q#
- 3.b8B#
- 2...Ke5
- 2.b8Q+
- 2...Kc5
- 3.Be7#
- 2...Kc5
- 2.Be7+
- 1...Qxg5
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Qd2
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Qe3
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Qf1
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Bb1
- 2.Sxc4+
- 2...Qxc4
- 3.Bf4#
- 3.b8Q#
- 3.b8B#
- 2...Qxc4
- 2.Bf4+
- 2...Qxf4
- 3.Sxc4#
- 2...Qxf4
- 2.Sxc4+
- 1...Bb3
- 2.Sxc4+
- 2...Qxc4
- 3.Bf4#
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Qxc4
- 2.Sxc4+
- 1...Shf5
- 2.Rxf5+
- 2...Kxd6
- 3.Rd5#
- 3.b8Q#
- 3.b8B#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rxf5+
- 1...Sgf5
- 2.Rxf5+
- 2...Kxd6
- 3.Rd5#
- 3.b8Q#
- 3.b8B#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rxf5+
- 1...Sh5
- 2.Sxc4+
- 2...Qxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Qxc4
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 3.b8Q#
- 3.b8B#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Sxc4+
- 1...Se6
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 3.S8f7#
- 2...Kxd6
- 2.Rf5+
- 1...Se8
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rf5+
- 1...c3
- 2.Sc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sc4+
- 1...Sxf7!
- threat
- 1.Rf6?
- threat
- 2.Sc6#
- 1...Se6
- 2.Rxe6#
- 1...Qxg5!
- threat
- 1.Re7+?
- 1...Se6
- 2.Rxe6#
- 1...Kxd6!
- 1...Se6
- 1.b8Q?
- threat
- 2.Sxc4+
- 2...Kxe4
- 3.Qe5#
- 3.Qb7#
- 3.Qa8#
- 2...Kxe4
- 2.Sc6+
- 2...Ke6
- 3.Re7#
- 2...Ke6
- 2.Re7+
- 2...Se6
- 3.Sc6#
- 3.Rxe6#
- 2...Se6
- 2.Sxc4+
- 1...Sxf7
- 2.S6xf7+
- 2...Kxe4
- 3.Qe5#
- 2...Kxe4
- 2.S8xf7+
- 2...Ke6
- 3.Qc8#
- 2...Ke6
- 2.S6xf7+
- 1...Sg4
- 2.Sxc4+
- 2...Kxe4
- 3.Qb7#
- 3.Qa8#
- 2...Kxe4
- 2.Sc6+
- 2...Ke6
- 3.Re7#
- 2...Ke6
- 2.Re7+
- 2...Se6
- 3.Sc6#
- 3.S8f7#
- 3.Rxe6#
- 2...Se6
- 2.Sxc4+
- 1...Shf5
- 2.Sxc4+
- 2...Kxe4
- 3.Qe5#
- 3.Qb7#
- 3.Qa8#
- 2...Kxe4
- 2.Sxc4+
- 1...Sg8
- 2.Sxc4+
- 2...Kxe4
- 3.Qe5#
- 3.Qb7#
- 3.Qa8#
- 2...Kxe4
- 2.Sxc4+
- 1...Sgf5
- 2.Sxc4+
- 2...Kxe4
- 3.Qe5#
- 3.Qb7#
- 3.Qa8#
- 2...Kxe4
- 2.Se8+
- 2...Kxe4
- 3.Sf6#
- 2...Sd6
- 3.Re7#
- 2...Kxe4
- 2.Sxc4+
- 1...c3
- 2.Sc4+
- 2...Kxe4
- 3.Qe5#
- 3.Qb7#
- 3.Qa8#
- 2...Kxe4
- 2.Sc6+
- 2...Ke6
- 3.Re7#
- 2...Ke6
- 2.Re7+
- 2...Be6
- 3.Sc6#
- 2...Se6
- 3.Sc6#
- 2...Be6
- 2.Sc4+
- 1...Qxg5!
- threat
- 1.Sc6+?
- Keys
- 1.Bf3!
- threat
- 2.Sxc4+
- 2...Qxc4
- 3.Bf4#
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Qxc4
- 2.Sxc4+
- 1...Kxd6
- 2.Be7+
- 2...Ke5
- 3.b8Q#
- 3.b8B#
- 2...Kd7
- 3.Bc6#
- 2...Ke5
- 2.Be7+
- 1...Qxg5
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Sxf7
- 2.S6xf7+
- 2...Kf5
- 3.g4#
- 2...Kf5
- 2.S6xf7+
- 1...Qd2
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Qe3
- 2.Sxc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sxc4+
- 1...Bb1
- 2.Sxc4+
- 2...Qxc4
- 3.Bf4#
- 2...Qxc4
- 2.Bf4+
- 2...Qxf4
- 3.Sxc4#
- 2...Qxf4
- 2.Sxc4+
- 1...Bb3
- 2.Sxc4+
- 2...Qxc4
- 3.Bf4#
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Qxc4
- 2.Sxc4+
- 1...Shf5
- 2.Rxf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rxf5+
- 1...Sgf5
- 2.Rxf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rxf5+
- 1...Sh5
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rf5+
- 1...Se6
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 3.S8f7#
- 2...Kxd6
- 2.Rf5+
- 1...Se8
- 2.Rf5+
- 2...Kxd6
- 3.Rd5#
- 2...Sxf5
- 3.S6f7#
- 2...Kxd6
- 2.Rf5+
- 1...c3
- 2.Sc4+
- 2...Bxc4
- 3.b8Q#
- 3.b8B#
- 2...Bxc4
- 2.Sc4+
- threat
- 1.Bf3!
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