MESON Chess Problem Database
Problem Display
PID: 233914 (1Bb1n1Q1/3P1RPN/rpPPkr2/b1R1p3/1p1p4/K1pB4/2P5/8 w - - 0 1)
Hannemann, Knud Harald
Skakbladet, 1954
#2
12 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Ka2?
- threat
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rxf7
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Bxd7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 1...Sxd6
- 2.Sg5#
- 2.Sf8#
- 2.d8S#
- 1...Sxg7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.dxc8Q#
- 2.dxc8B#
- 2.d8S#
- 1...bxc5
- 2.Rxf6#
- 2.Re7#
- 1...Sc7
- 2.Rxf6#
- 1...Ra7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.d8S#
- 1...Ra8
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf1
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf2
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf3
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf4
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf5
- 2.Sf8#
- 2.Bc4#
- 2.Bxf5#
- 2.Rxf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rg6
- 2.Sf8#
- 2.Bc4#
- 2.Bf5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Rf8#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rh6
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Bf5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Rf8#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...e4
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...b5
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 1...b3+!
- threat
- 1.Ka4?
- threat
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rxf7
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Bxd7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 1...Sxd6
- 2.Sg5#
- 2.Sf8#
- 2.d8S#
- 1...Sxg7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.dxc8Q#
- 2.dxc8B#
- 2.d8S#
- 1...bxc5
- 2.Rxf6#
- 2.Re7#
- 1...Sc7
- 2.Rxf6#
- 1...Ra7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.d8S#
- 1...Ra8
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf1
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf2
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf3
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf4
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf5
- 2.Sf8#
- 2.Bc4#
- 2.Bxf5#
- 2.Rxf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rg6
- 2.Sf8#
- 2.Bc4#
- 2.Bf5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Rf8#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rh6
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Bf5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Rf8#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...b3
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...e4
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...b5+!
- threat
- 1.Ka2?
- Keys
- 1.Kb3!
- threat
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rxf7
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Bxd7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 1...Sxd6
- 2.Sg5#
- 2.Sf8#
- 2.d8S#
- 1...Sxg7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.dxc8Q#
- 2.dxc8B#
- 2.d8S#
- 1...bxc5
- 2.Rxf6#
- 2.Re7#
- 1...Sc7
- 2.Rxf6#
- 1...Ra7
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.d8S#
- 1...Ra8
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf1
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf2
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf3
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf4
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rf5
- 2.Sf8#
- 2.Bc4#
- 2.Bxf5#
- 2.Rxf5#
- 2.Rf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rg6
- 2.Sf8#
- 2.Bc4#
- 2.Bf5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Rf8#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...Rh6
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Bf5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rf6#
- 2.Re7#
- 2.Rf8#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...e4
- 2.Sg5#
- 2.Sf8#
- 2.Bc4#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- 2.d8S#
- 1...b5
- 2.Sg5#
- 2.Sf8#
- 2.Rxf6#
- 2.Re7#
- 2.Qxe8#
- 2.dxc8Q#
- 2.dxc8B#
- 2.dxe8Q#
- 2.dxe8R#
- threat
- 1.Kb3!
FEATURES
- Static
- TYPE = WHITE_IN_CHECK
- Tries
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(10)
- Vars
- S(k);::QAB(L)+R(H),DCHECK,XR(i)
- Refutation
- P(b);CHECK
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(10)
- Vars
- S(k);::QAB(L)+R(H),DCHECK,XR(i)
- Refutation
- P(g);CHECK
- Try
- Actual
- K(B);P-FLIGHT
- Threat
- DUALS(10)
- Vars
- S(k);::QAB(L)+R(H),DCHECK,XR(i)
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).