MESON Chess Problem Database
Problem Display
PID: 8475 (2Bk4/pRNP3K/2p1p1P1/1pB3p1/1N1n4/6pp/1Q3b2/4r2b w - - 0 1)
Keller, Michael
1st Prize, Schweizerische Arbeiter Schachzeitung, 1977-1978
#3
9 + 12
| 273 | Mat Plus | 1994 |
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Sxe6+
- 1...Rb1
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Sxe6+
- 1...Rc1
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Sxe6+
- 1...Rd1
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Sxe6+
- 1...Rf1
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Sxe6+
- 1...Rg1
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Sxe6+
- 1...Re4
- 2.Sxc6+
- 2...Sxc6
- 3.Qh8#
- 2...Sxc6
- 2.Sxc6+
- 1...Be4
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Sxe6+
- 1...Be3
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Sxe6+
- 1...Sc2
- 2.Qf6#
- 2.Qh8#
- 1...Se2
- 2.Sxe6#
- 2.Qf6#
- 2.Qh8#
- 1...Sb3
- 2.Qf6#
- 2.Qh8#
- 1...Sf3
- 2.Sxc6#
- 2.Qf6#
- 2.Qh8#
- 1...Sf5
- 2.Qh8#
- 1...g2
- 2.Sxc6+
- 2...Sxc6
- 3.Qh8#
- 2...Sxc6
- 2.Qxd4
- threat
- 3.Sxc6#
- 3.Qf6#
- 3.Qh8#
- threat
- 2.g7
- threat
- 3.g8Q#
- 3.g8R#
- threat
- 2.Sxc6+
- 1...Ra1
- Tries
- 1.Sxc6+?
- 1...Sxc6
- 2.Qh8#
- 1...Bxc6!
- 1...Sxc6
- 1.Sxe6+?
- 1...Sxe6
- 2.Qf6#
- 1...Rxe6!
- 1...Sxe6
- 1.Qa1?
- threat
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Qf6#
- 2...Rxe6
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Re3
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Qf6#
- 2...Rxe6
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Rb1
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Rc1
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Rd1
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Rf1
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Rg1
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qxd4
- threat
- 3.Sxe6#
- 3.Qf6#
- 3.Qh8#
- 2...e5
- 3.Se6#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Re2
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Qf6#
- 2...Rxe6
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Re4
- 2.Sxc6+
- 2...Sxc6
- 3.Qh8#
- 2...Sxc6
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Sxc6#
- 3.Qf6#
- 2...Rxe6
- 2.Sxc6+
- 1...Re5
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Be4
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Sxe6+
- 1...Bd5
- 2.Scxd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Bxe6
- 3.Qa5#
- 2...Sxe6
- 3.Qf6#
- 2...Rxe6
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scxd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scxd5
- 1...Be3
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Sxe6
- 3.Qf6#
- 2...Sxe6
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...g2
- 2.Sxc6+
- 2...Sxc6
- 3.Qh8#
- 2...Sxc6
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Sxc6#
- 3.Qf6#
- 2...Rxe6
- 2.Qxd4
- threat
- 3.Sxc6#
- 3.Qf6#
- 3.Qh8#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.g7
- threat
- 3.g8Q#
- 3.g8R#
- threat
- 2.Sxc6+
- 1...e5
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Se6#
- 3.Sa8#
- 3.Se8#
- 2...Se6
- 3.Sxe6#
- threat
- 2.Scd5
- 1...a5
- 2.Scd5
- threat
- 3.Bb6#
- 3.Be7#
- 3.Qxa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qxa5#
- 2...Sxe6
- 3.Qf6#
- 2...Rxe6
- 2.Qxa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...a6
- 2.Scd5
- threat
- 3.Bb6#
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Qf6#
- 2...Rxe6
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Scxa6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Rxa1!
- threat
- 1.Qxd4?
- threat
- 2.Qf6#
- 2.Qh8#
- 1...Re5
- 2.Be7+
- 2...Kxe7
- 3.d8Q#
- 2...Kxe7
- 2.Be7+
- 1...Bxd4!
- threat
- 1.g7?
- threat
- 2.g8Q#
- 2.g8R#
- 1...Re3
- 2.g8Q#
- 2.g8R#
- 1...Ra1
- 2.g8Q#
- 2.g8R#
- 1...Rb1
- 2.g8Q#
- 2.g8R#
- 1...Rc1
- 2.g8Q#
- 2.g8R#
- 1...Rd1
- 2.g8Q#
- 2.g8R#
- 1...Rf1
- 2.g8Q#
- 2.g8R#
- 1...Rg1
- 2.g8Q#
- 2.g8R#
- 1...Re2
- 2.g8Q#
- 2.g8R#
- 1...Re4
- 2.g8Q#
- 2.g8R#
- 1...Re5
- 2.g8Q#
- 2.g8R#
- 1...Bg2
- 2.g8Q#
- 2.g8R#
- 1...Bf3
- 2.g8Q#
- 2.g8R#
- 1...Bd5
- 2.g8Q#
- 2.g8R#
- 1...Bg1
- 2.g8Q#
- 2.g8R#
- 1...Be3
- 2.g8Q#
- 2.g8R#
- 1...Sc2
- 2.Qf6#
- 2.g8Q#
- 2.g8R#
- 1...Se2
- 2.Sxe6#
- 2.Qf6#
- 2.g8Q#
- 2.g8R#
- 1...Sb3
- 2.Qf6#
- 2.g8Q#
- 2.g8R#
- 1...Sf3
- 2.Sxc6#
- 2.Qf6#
- 2.g8Q#
- 2.g8R#
- 1...Sf5
- 2.g8Q#
- 2.g8R#
- 1...g2
- 2.g8Q#
- 2.g8R#
- 1...h2
- 2.g8Q#
- 2.g8R#
- 1...g4
- 2.g8Q#
- 2.g8R#
- 1...e5
- 2.g8Q#
- 2.g8R#
- 1...a5
- 2.g8Q#
- 2.g8R#
- 1...a6
- 2.g8Q#
- 2.g8R#
- 1...Be4+!
- threat
- 1.Sxc6+?
- Keys
- 1.Qa3!
- threat
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...Ra1
- 2.Sbd5
- threat
- 3.Be7#
- 2...Sf5
- 3.Sxe6#
- threat
- 2.Sxc6+
- 2...Bxc6
- 3.Be7#
- 2...Sxc6
- 3.Sxe6#
- 2...Bxc6
- 2.Sbd5
- 1...Re4
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Sxe6
- 3.Sxc6#
- 2...Rxe6
- 2.Sxe6+
- 1...Be4
- 2.Sxc6+
- 2...Bxc6
- 3.Be7#
- 2...Sxc6
- 3.Sxe6#
- 2...Bxc6
- 2.Sxc6+
- 1...Bd5
- 2.Scxd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scxd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scxd5
- 1...Sc2
- 2.Sxc6+
- 2...Bxc6
- 3.Be7#
- 2...Bxc6
- 2.Scd5
- threat
- 3.Sxc6#
- 3.Be7#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Rxe6
- 2.Sxc6+
- 1...Sb3
- 2.Sxc6+
- 2...Bxc6
- 3.Be7#
- 2...Bxc6
- 2.Sxc6+
- 1...Sf5
- 2.Scd5
- threat
- 3.Sxc6#
- 3.Qa5#
- threat
- 2.Sxe6+
- 2...Rxe6
- 3.Qa5#
- 2...Rxe6
- 2.Scd5
- 1...e5
- 2.Sbd5
- threat
- 3.Be7#
- 2...Sf5
- 3.Se6#
- threat
- 2.Sxc6+
- 2...Bxc6
- 3.Be7#
- 2...Sxc6
- 3.Se6#
- 2...Bxc6
- 2.Scd5
- threat
- 3.Be7#
- 3.Qa5#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Se6#
- 3.Sa8#
- 3.Se8#
- 2...Se6
- 3.Sxe6#
- threat
- 2.Sbd5
- 1...a5
- 2.Scd5
- threat
- 3.Bb6#
- 3.Be7#
- 3.Qxa5#
- threat
- 2.Qxa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Sca6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- 1...a6
- 2.Scd5
- threat
- 3.Bb6#
- 3.Be7#
- 3.Qa5#
- threat
- 2.Qa5
- threat
- 3.Sxb5#
- 3.Scd5#
- 3.Scxa6#
- 3.Sxe6#
- 3.Sa8#
- 3.Se8#
- threat
- 2.Scd5
- threat
- 1.Qa3!
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