MESON Chess Problem Database
Problem Display
PID: 82776 (k6K/P2pR3/2P5/pB6/p1p5/1p3n2/1Q2n3/r6b w - - 0 1)
Havel, Miroslav
The Observer, 1936
(First published on Sun Nov 22 1936)
#3
6 + 10
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.cxd7
- 1...Ra3
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.cxd7
- 1...Sc1
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.cxd7
- 1...dxc6
- 2.Bxc6#
- 1...d5
- 2.Qf6
- threat
- 3.Qf8#
- threat
- 2.Qg7
- threat
- 3.Re8#
- 3.Qf8#
- 3.Qg8#
- threat
- 2.Qf6
- 1...d6
- 2.Qf6
- threat
- 3.Qf8#
- threat
- 2.Qg7
- threat
- 3.Re8#
- 3.Qf8#
- 3.Qg8#
- threat
- 2.Qf6
- 1...Ra2
- Tries
- 1.Qc3?
- threat
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 2...dxc6
- 3.Bxc6#
- 3.Qd8#
- threat
- 2.Re8+
- 1...Kxa7
- 2.Qxa5+
- 2...Kb8
- 3.Re8#
- 2...Kb8
- 2.Qxa5+
- 1...Rd1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 2...dxc6
- 3.Bxc6#
- threat
- 2.Re8+
- 1...Re1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Rg1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Bg2
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Seg1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sg3
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sed4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sf4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Se1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sfg1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sd2
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sh2
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sfd4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sh4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Se5
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sg5
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...d5
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 3.Qd8#
- threat
- 2.Qf6
- threat
- 3.Qf8#
- threat
- 2.Qg7
- threat
- 3.Re8#
- 3.Qf8#
- 3.Qg8#
- threat
- 2.Re8+
- 1...d6
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 3.Qd8#
- threat
- 2.Qf6
- threat
- 3.Qf8#
- threat
- 2.Qg7
- threat
- 3.Re8#
- 3.Qf8#
- 3.Qg8#
- threat
- 2.Re8+
- 1...Sxc3!
- threat
- 1.Qe5?
- threat
- 2.Qb8#
- 1...Kxa7
- 2.Rxd7+
- 2...Kb6
- 3.Rb7#
- 2...Ka8
- 3.Qe8#
- 2...Kb6
- 2.Qc7+
- 2...Ka8
- 3.Re8#
- 3.Qb7#
- 2...Ka8
- 2.Rxd7+
- 1...d6
- 2.Qxd6
- threat
- 3.Qb8#
- 3.Qd8#
- threat
- 2.Qf6
- threat
- 3.Qf8#
- threat
- 2.Qg7
- threat
- 3.Re8#
- 3.Qf8#
- 3.Qg8#
- threat
- 2.Qf5
- threat
- 3.Qc8#
- 3.Qf8#
- threat
- 2.Qh5
- threat
- 3.Qe8#
- threat
- 2.Qe6
- threat
- 3.Qc8#
- 3.Qg8#
- threat
- 2.Qxd6
- 1...Sxe5!
- threat
- 1.Qd2?
- threat
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 2...dxc6
- 3.Bxc6#
- 3.Qd8#
- threat
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.Re8+
- 1...Kxa7
- 2.Qxa5+
- 2...Kb8
- 3.Re8#
- 2...Kb8
- 2.Qxa5+
- 1...Rd1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 2...dxc6
- 3.Bxc6#
- threat
- 2.Re8+
- 1...Re1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.Re8+
- 1...Rg1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Ra2
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 2...dxc6
- 3.Bxc6#
- 3.Qd8#
- threat
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.Re8+
- 1...Bg2
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Seg1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.Re8+
- 1...Sc3
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.Qxd7
- 1...Sg3
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.Re8+
- 1...Sed4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sf4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Se1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.Re8+
- 1...Sfg1
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.Re8+
- 1...Sh2
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.Re8+
- 1...Sfd4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sh4
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Se5
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...Sg5
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Re8+
- 1...c3
- 2.Qxd7
- threat
- 3.Re8#
- 3.Qc8#
- 3.Qe8#
- 3.Qb7#
- 3.Qd8#
- threat
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.Qxd7
- 1...d5
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 3.Qd8#
- threat
- 2.Qh6
- threat
- 3.Qf8#
- threat
- 2.Re8+
- 1...d6
- 2.Re8+
- 2...Kxa7
- 3.Qxa5#
- 2...Kxa7
- 2.Qxa5
- threat
- 3.Re8#
- 3.Qd8#
- threat
- 2.Qh6
- threat
- 3.Qf8#
- threat
- 2.Qxd6
- threat
- 3.Qb8#
- 3.Qd8#
- threat
- 2.Re8+
- 1...Sxd2!
- threat
- 1.cxd7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Kxa7
- 2.d8Q#
- 1...Kb7
- 2.d8Q#
- 1...Rb1
- 2.d8Q#
- 2.d8R#
- 1...Rc1
- 2.d8Q#
- 2.d8R#
- 1...Re1
- 2.d8Q#
- 2.d8R#
- 1...Rf1
- 2.d8Q#
- 2.d8R#
- 1...Rg1
- 2.d8Q#
- 2.d8R#
- 1...Ra2
- 2.d8Q#
- 2.d8R#
- 1...Ra3
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.d8Q#
- 2.d8R#
- 1...Sc1
- 2.d8Q#
- 2.d8R#
- 1...Seg1
- 2.d8Q#
- 2.d8R#
- 1...Sc3
- 2.d8Q#
- 2.d8R#
- 1...Sg3
- 2.d8Q#
- 2.d8R#
- 1...Sed4
- 2.d8Q#
- 2.d8R#
- 1...Sf4
- 2.d8Q#
- 2.d8R#
- 1...Se1
- 2.d8Q#
- 2.d8R#
- 1...Sfg1
- 2.d8Q#
- 2.d8R#
- 1...Sd2
- 2.d8Q#
- 2.d8R#
- 1...Sh2
- 2.d8Q#
- 2.d8R#
- 1...Sfd4
- 2.d8Q#
- 2.d8R#
- 1...Sh4
- 2.d8Q#
- 2.d8R#
- 1...Se5
- 2.d8Q#
- 2.d8R#
- 1...Sg5
- 2.d8Q#
- 2.d8R#
- 1...a3
- 2.d8Q#
- 2.d8R#
- 1...c3
- 2.d8Q#
- 2.d8R#
- 1...Rd1!
- threat
- 1.Qc3?
- Keys
- 1.Qa3!
- threat
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Qc5
- threat
- 3.Re8#
- 2...dxc6
- 3.Bxc6#
- 3.Qxc6#
- threat
- 2.Re8+
- 1...Kxa7
- 2.Rxd7+
- 2...Kb6
- 3.Rb7#
- 2...Ka8
- 3.Qf8#
- 2...Kb8
- 3.Qf8#
- 2...Kb6
- 2.Rxd7+
- 1...Rxa3
- 2.cxd7
- threat
- 3.d8Q#
- 3.d8R#
- 2...Kxa7
- 3.d8Q#
- 2...Kb7
- 3.d8Q#
- threat
- 2.cxd7
- 1...Re1
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Rg1
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Bg2
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Seg1
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sc3
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sg3
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sed4
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sf4
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Se1
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sfg1
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sd2
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sh2
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sfd4
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sh4
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Se5
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...Sg5
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Re8+
- 1...d5
- 2.Re8+
- 2...Kxa7
- 3.Qc5#
- 2...Kxa7
- 2.Qc5
- threat
- 3.Re8#
- threat
- 2.Qd6
- threat
- 3.Qb8#
- 3.Qd8#
- threat
- 2.Re8+
- 1...d6
- 2.Qxd6
- threat
- 3.Qb8#
- 3.Qd8#
- threat
- 2.Qxd6
- threat
- 1.Qa3!
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