MESON Chess Problem Database
Problem Display
PID: 5438 (4r3/4rB1R/2p1npP1/Q2pPk1P/2p2P2/2P3K1/1pN4N/4R3 w - - 0 1)
Keller, Michael
1st Prize, Probleemblad, 1993
#3
12 + 9
| 4655 | Michael Keller Ein Meister der Schachkomposition | 1994 |
| 3681 | FIDE Album (1992-1994) | 2001 |
| 133 | The Problemist Supplement | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rb7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rc7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rd7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rxf7
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...fxe5
- 3.Rxf7#
- 2...Sd4
- 3.Scxd4#
- 3.Sfxd4#
- 2...Sc5
- 3.Scd4#
- 3.Sfd4#
- 2...Sg5
- 3.Scd4#
- 3.Sfd4#
- 2...Sc7
- 3.Scd4#
- 3.Sfd4#
- 2...Sg7
- 3.Scd4#
- 3.Sfd4#
- 2...Sd8
- 3.Scd4#
- 3.Sfd4#
- 2...Sf8
- 3.Scd4#
- 3.Sfd4#
- threat
- 2.Sf3
- 1...Sd4
- 2.Sxd4#
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...Sc5
- 2.Sd4#
- 1...Sg5
- 2.Sd4#
- 1...Sc7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...d4
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scxd4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Sf3
- 1...fxe5
- 2.Rxe5+
- 2...Kf6
- 3.Sg4#
- 2...Kf6
- 2.Rxe5+
- 1...Ra7
- Tries
- 1.Sf3?
- threat
- 2.Sh4#
- 1...Sxf4
- 2.Scd4#
- 1...fxe5!
- threat
- 1.Sg4?
- threat
- 2.Sh6#
- 1...fxe5
- 2.Rxe5#
- 1...Sxf4!
- threat
- 1.Bxe6+?
- 1...Rxe6
- 2.Sd4#
- 1...Kxe6!
- 1...Rxe6
- 1.Qc7?
- threat
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Sf3
- 1...Rxc7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rxf7
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...Sxc7
- 3.Scd4#
- 3.Sfd4#
- 2...fxe5
- 3.Rxf7#
- 3.Qxe5#
- 3.Qxf7#
- 2...Sd4
- 3.Scxd4#
- 3.Sfxd4#
- 2...Sc5
- 3.Scd4#
- 3.Sfd4#
- 2...Sg5
- 3.Scd4#
- 3.Sfd4#
- 2...Sg7
- 3.Scd4#
- 3.Sfd4#
- 2...Sd8
- 3.Scd4#
- 3.Sfd4#
- 2...Sf8
- 3.Scd4#
- 3.Sfd4#
- threat
- 2.Sf3
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...b1Q
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...b1R
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rd7
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 3.Qxd7#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Sf3
- 1...Rg8
- 2.Sf3
- threat
- 3.Sh4#
- 2...Rxg6+
- 3.Bxg6#
- 2...Sxf4
- 3.Scd4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Qxe7
- threat
- 3.Bxe6#
- 3.Qxf6#
- 3.Qxe6#
- 2...Rxg6+
- 3.Bxg6#
- threat
- 2.Sf3
- 1...d4
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scxd4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Sf3
- 1...c5!
- threat
- 1.Qd8?
- threat
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rxf7
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...Sxd8
- 3.Scd4#
- 3.Sfd4#
- 2...Sd4
- 3.Scxd4#
- 3.Sfxd4#
- 2...Sc5
- 3.Scd4#
- 3.Sfd4#
- 2...Sg5
- 3.Scd4#
- 3.Sfd4#
- 2...Sc7
- 3.Scd4#
- 3.Sfd4#
- 2...Sg7
- 3.Scd4#
- 3.Sfd4#
- 2...Sf8
- 3.Scd4#
- 3.Sfd4#
- threat
- 2.Rxf7
- threat
- 3.Rxf6#
- 3.Qxf6#
- threat
- 2.Sf3
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...fxe5
- 2.Rxe5+
- 2...Kf6
- 3.Sg4#
- 2...Kf6
- 2.Rxe5+
- 1...d4
- 2.Bxe6+
- 2...Kxe6
- 3.Sxd4#
- 2...Rxe6
- 3.Sxd4#
- 2...Kxe6
- 2.Qxd4
- threat
- 3.Se3#
- 3.Qe4#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 1...c5
- 2.Se3+
- 2...Ke4
- 3.Qxd5#
- 2...Ke4
- 2.Se3+
- 1...Rxd8!
- threat
- 1.Qa2?
- threat
- 2.Se3+
- 2...Ke4
- 3.Qb1#
- 2...Ke4
- 2.Se3+
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...fxe5
- 2.Se3+
- 2...Ke4
- 3.Qb1#
- 2...Kf6
- 3.Shg4#
- 2...Ke4
- 2.Rxe5+
- 2...Kf6
- 3.Sg4#
- 2...Kf6
- 2.Se3+
- 1...b1Q
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 2...Ke4
- 2.Se3+
- 1...b1S
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 3.Qc2#
- 2...Ke4
- 2.Se3+
- 1...b1B
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 2...Ke4
- 2.Se3+
- 1...b1R
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 3.Qc2#
- 2...Ke4
- 2.Se3+
- 1...d4!
- threat
- 1.Qxd5?
- threat
- 2.Se3#
- 2.Qe4#
- 1...Sxf4
- 2.Se3+
- 2...Kg5
- 3.Sf3#
- 2...Kg5
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Qe4+
- 2...Kg5
- 3.Sf3#
- 3.Qxf4#
- 2...Kg5
- 2.Se3+
- 1...cxd5!
- threat
- 1.Qa7?
- threat
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Qd4
- threat
- 3.Se3#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 1...Rxa7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rxf7
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...fxe5
- 3.Rxf7#
- 3.Qxf7#
- 2...Sd4
- 3.Scxd4#
- 3.Sfxd4#
- 2...Sc5
- 3.Scd4#
- 3.Sfd4#
- 2...Sg5
- 3.Scd4#
- 3.Sfd4#
- 2...Sc7
- 3.Scd4#
- 3.Sfd4#
- 2...Sg7
- 3.Scd4#
- 3.Sfd4#
- 2...Sd8
- 3.Scd4#
- 3.Sfd4#
- 2...Sf8
- 3.Scd4#
- 3.Sfd4#
- threat
- 2.Sf3
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...fxe5
- 2.Rxe5+
- 2...Kf6
- 3.Sg4#
- 2...Kf6
- 2.Rxe5+
- 1...b1Q
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...b1B
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...b1R
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Bxe6+
- 1...Rb7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Qd4
- threat
- 3.Se3#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 1...Rc7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Qd4
- threat
- 3.Se3#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 1...Rd7
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 3.Qxd7#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Qd4
- threat
- 3.Se3#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Bxe6+
- 1...Rg8
- 2.Bxe6+
- 2...Kxe6
- 3.Sd4#
- 2...Rxe6
- 3.Sd4#
- 2...Kxe6
- 2.Qd4
- threat
- 3.Se3#
- 2...Rxg6+
- 3.Bxg6#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Qxe7
- threat
- 3.Bxe6#
- 3.Qxf6#
- 3.Qxe6#
- 2...Rxg6+
- 3.Bxg6#
- threat
- 2.Bxe6+
- 1...d4
- 2.Qxd4
- threat
- 3.Se3#
- 3.Qe4#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Qxd4
- 1...c5!
- threat
- 1.g7?
- threat
- 2.Bg6#
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...fxe5
- 2.Bg6+
- 2...Kf6
- 3.Sg4#
- 2...Kf6
- 2.Bg6+
- 1...Rxf7!
- threat
- 1.Sf3?
- Keys
- 1.Qb6!
- threat
- 2.Qd4
- threat
- 3.Se3#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Qd4
- 1...Rxf7
- 2.Sf3
- threat
- 3.Sh4#
- 2...Sxf4
- 3.Scd4#
- 2...fxe5
- 3.Rxf7#
- 2...Sd4
- 3.Scxd4#
- 3.Sfxd4#
- 2...Sc5
- 3.Scd4#
- 3.Sfd4#
- 2...Sg5
- 3.Scd4#
- 3.Sfd4#
- 2...Sc7
- 3.Scd4#
- 3.Sfd4#
- 2...Sg7
- 3.Scd4#
- 3.Sfd4#
- 2...Sd8
- 3.Scd4#
- 3.Sfd4#
- 2...Sf8
- 3.Scd4#
- 3.Sfd4#
- threat
- 2.Sf3
- 1...Sxf4
- 2.Sd4+
- 2...Kg5
- 3.Shf3#
- 2...Kg5
- 2.Sd4+
- 1...fxe5
- 2.Rxe5+
- 2...Kf6
- 3.Sg4#
- 2...Kf6
- 2.Rxe5+
- 1...b1Q
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 2...Ke4
- 2.Se3+
- 1...b1B
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 2...Ke4
- 2.Se3+
- 1...b1R
- 2.Se3+
- 2...Ke4
- 3.Qxb1#
- 2...Ke4
- 2.Se3+
- 1...Rg8
- 2.Qd4
- threat
- 3.Se3#
- 2...Rxg6+
- 3.Bxg6#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Qd4
- 1...d4
- 2.Qxd4
- threat
- 3.Se3#
- 3.Qe4#
- 2...Sxd4
- 3.Sxd4#
- 2...Sxf4
- 3.Qxf4#
- 2...fxe5
- 3.Qxe5#
- threat
- 2.Qxd4
- 1...c5
- 2.Sg4
- threat
- 3.Sh6#
- 2...Sxf4
- 3.Qxf6#
- 2...fxe5
- 3.Rxe5#
- threat
- 2.Sg4
- threat
- 1.Qb6!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).