MESON Chess Problem Database
Problem Display
PID: 253858 (8/8/K1P5/1pPkpQ2/2rNN3/1B4r1/b7/B3b3 w - - 0 1)
Harder, Karl
Schach, 1977
#3
8 + 7
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Kxe4
- 2.Qf7+
- 1...Rg2
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Kxe4
- 2.Qf7+
- 1...Rg4
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Kxe4
- 2.Qf7+
- 1...Rg5
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Kxe4
- 2.Qf7+
- 1...Rg8
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Kxe4
- 2.Qf7+
- 1...Bb4
- 2.Sf6+
- 2...Kxc5
- 3.Qxe5#
- 2...Kxc5
- 2.Sf6+
- 1...b4
- 2.Sf6+
- 2...Kxc5
- 3.Qxe5#
- 2...Kxc5
- 2.Sf6+
- 1...Rg1
- Tries
- 1.Kxb5?
- threat
- 2.Sf6#
- 1...Rc3
- 2.Sf6+
- 2...Kxd4
- 3.Qe4#
- 2...Kxd4
- 2.Sf6+
- 1...Bc3
- 2.Sc2
- threat
- 3.Sf6#
- 2...Rg6
- 3.Sxc3#
- threat
- 2.Se2
- threat
- 3.Sf6#
- 2...Rg6
- 3.S4xc3#
- threat
- 2.Se6
- threat
- 3.Sf6#
- 2...Rg6
- 3.Sxc3#
- threat
- 2.Sf2
- threat
- 3.Qe4#
- 3.Qd7#
- 2...Kxd4
- 3.Qe4#
- threat
- 2.Sxg3
- threat
- 3.Qe4#
- 3.Qd7#
- 2...Kxd4
- 3.Qe4#
- threat
- 2.Sf6+
- 2...Kxd4
- 3.Qe4#
- 2...Kxd4
- 2.Sc2
- 1...Rg6
- 2.Sc2
- threat
- 3.Se3#
- 3.Qxe5#
- 2...Bc3
- 3.Sxc3#
- threat
- 2.Se2
- threat
- 3.Sf4#
- 3.Qxe5#
- 2...Bc3
- 3.S4xc3#
- 2...Bg3
- 3.S4c3#
- threat
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Re6
- 3.Sf6#
- 2...Kxe4
- 2.Sc2
- 1...Rxb3+!
- threat
- 1.Kb6?
- threat
- 2.Sf6#
- 1...Rc3
- 2.Sc2
- threat
- 3.Sf6#
- 2...Bh4
- 3.Sxc3#
- threat
- 2.Se2
- threat
- 3.Sf6#
- 2...Bh4
- 3.S4xc3#
- threat
- 2.Sf3
- threat
- 3.Sf6#
- 3.Qxe5#
- threat
- 2.Sxb5
- threat
- 3.Sf6#
- 2...Bh4
- 3.Sexc3#
- threat
- 2.Se6
- threat
- 3.Sf6#
- 2...Bh4
- 3.Sxc3#
- threat
- 2.Sg5
- threat
- 3.Qe4#
- 3.Qd7#
- 2...Kxd4
- 3.Qe4#
- threat
- 2.Sf6+
- 2...Kxd4
- 3.Qe4#
- 2...Kxd4
- 2.Sc2
- 1...Bc3
- 2.Sf6+
- 2...Kxd4
- 3.Qe4#
- 2...Kxd4
- 2.Sf6+
- 1...Rg6
- 2.Qf7+
- 2...Kxe4
- 3.Qf3#
- 2...Re6
- 3.Sf6#
- 2...Kxe4
- 2.Qf7+
- 1...Ba5+!
- threat
- 1.Sc2?
- threat
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Kxc6
- 2.Qc8+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Qc8+
- 1...Rc3
- 2.Kb6
- threat
- 3.Sf6#
- 2...Bh4
- 3.Sxc3#
- threat
- 2.Kb6
- 1...Rg5
- 2.Se3+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Se3+
- 1...Rg6
- 2.Kxb5
- threat
- 3.Se3#
- 3.Qxe5#
- 2...Bc3
- 3.Sxc3#
- threat
- 2.Se3+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Kxb5
- 1...Bc3
- 2.Kxb5
- threat
- 3.Sf6#
- 2...Rg6
- 3.Sxc3#
- threat
- 2.Kxb5
- 1...b4
- 2.Kb5
- threat
- 3.Sf6#
- 3.Qxe5#
- threat
- 2.Kb6
- threat
- 3.Sf6#
- 3.Qxe5#
- threat
- 2.Qxe5+
- 2...Kxc6
- 3.Ba4#
- 3.Qd6#
- 2...Kxc6
- 2.Kb5
- 1...Rd3!
- threat
- 1.Se6?
- threat
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Sf4+
- 1...Rd3
- 2.Kb7
- threat
- 3.Sf6#
- 3.Sf4#
- 3.Sc7#
- 3.Qxe5#
- threat
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Kb7
- 1...Rc3
- 2.Kb6
- threat
- 3.Sf6#
- 2...Bh4
- 3.Sxc3#
- threat
- 2.Kb7
- threat
- 3.Sf6#
- 2...Bh4
- 3.Sxc3#
- threat
- 2.Kb6
- 1...Rf3
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Rg4
- 2.Kxb5
- threat
- 3.Sf6#
- 3.Sc7#
- 3.Qxe5#
- threat
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Kxb5
- 1...Rg5
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Sf4+
- 1...Rg7
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Rg8
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Bd2
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Bc3
- 2.Kxb5
- threat
- 3.Sf6#
- 2...Rg6
- 3.Sxc3#
- threat
- 2.Kxb5
- 1...Ba5
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...b4
- 2.Kb5
- threat
- 3.Sf6#
- 3.Sf4#
- 3.Sc7#
- 3.Qxe5#
- threat
- 2.Kb6
- threat
- 3.Sf6#
- 3.Sf4#
- 3.Sc7#
- 3.Qxe5#
- threat
- 2.Sf6+
- 2...Kxc6
- 3.Ba4#
- 2...Kxc6
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Qxe5+
- 2...Kxc6
- 3.Ba4#
- 3.Qd6#
- 2...Kxc6
- 2.Kb5
- 1...Kxc6!
- threat
- 1.Kxb5?
- Keys
- 1.Se2!
- threat
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Sf4+
- 1...Kxc6
- 2.Qc8+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Qc8+
- 1...Rc3
- 2.Kb6
- threat
- 3.Sf6#
- 2...Bh4
- 3.S4xc3#
- threat
- 2.Kb6
- 1...Rd3
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Sf4+
- 1...Rf3
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Rg4
- 2.Kxb5
- threat
- 3.Sf6#
- 3.Qxe5#
- 2...Rxe4
- 3.Qd7#
- 3.Qf7#
- threat
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Kxb5
- 1...Rg5
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Sf4+
- 1...Rg6
- 2.Kxb5
- threat
- 3.Sf4#
- 3.Qxe5#
- 2...Bc3
- 3.S4xc3#
- 2...Bg3
- 3.S4c3#
- threat
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Kxb5
- 1...Rg7
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Rg8
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Bd2
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...Bc3
- 2.Kxb5
- threat
- 3.Sf6#
- 2...Rg6
- 3.S4xc3#
- threat
- 2.Kxb5
- 1...Ba5
- 2.Qxe5+
- 2...Kxc6
- 3.Qd6#
- 2...Kxc6
- 2.Qxe5+
- 1...b4
- 2.Kb5
- threat
- 3.Sf4#
- 3.Sf6#
- 3.Qxe5#
- threat
- 2.Kb6
- threat
- 3.Sf4#
- 3.Sf6#
- 3.Qxe5#
- threat
- 2.Sf4+
- 2...Kxc6
- 3.Qc8#
- 2...Kxc6
- 2.Qxe5+
- 2...Kxc6
- 3.Ba4#
- 3.Qd6#
- 2...Kxc6
- 2.Kb5
- threat
- 1.Se2!
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).