MESON Chess Problem Database
Problem Display
PID: 107997 (7k/4Nppn/4B2R/5QnK/8/8/8/8 w - - 0 1)
Dowd, Steven B
Georgia Chess, 2005
#2
5 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Sh3
- 2.Rxh7#
- 2.Qxh7#
- 1...Se4
- 2.Rxh7#
- 2.Qxh7#
- 1...Sxe6
- 2.Rxh7#
- 2.Qxh7#
- 1...fxe6
- 2.Qf8#
- 1...f6
- 2.Sg6#
- 1...Sf3
- Tries
- 1.Kg4?
- 1...Sxe6
- 2.Rxh7#
- 2.Qxh7#
- 1...fxe6
- 2.Qf8#
- 1...g6
- 2.Qf6#
- 1...Sf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Sh3
- 2.Rxh7#
- 2.Qxh7#
- 1...Se4
- 2.Rxh7#
- 2.Qxh7#
- 1...f6
- 2.Sg6#
- 1...gxh6!
- 1...Sxe6
- 1.Qxf7?
- threat
- 2.Sg6#
- 2.Qe8#
- 2.Qg8#
- 2.Qf8#
- 1...g6+
- 2.Sxg6#
- 1...Sxe6
- 2.Sg6#
- 2.Qg8#
- 1...gxh6
- 2.Sg6#
- 2.Qg8#
- 1...Sxf7!
- threat
- 1.Kg4?
- Keys
- 1.Qg6!
- 1...fxg6+
- 2.Sxg6#
- 1...Sxe6
- 2.Rxh7#
- 2.Qxh7#
- 1...fxe6
- 2.Qe8#
- 1...gxh6
- 2.Qg8#
- 1...Sf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Sh3
- 2.Rxh7#
- 2.Qxh7#
- 1...Se4
- 2.Rxh7#
- 2.Qxh7#
- 1...f5
- 2.Qe8#
- 1...f6
- 2.Qe8#
- 1...fxg6+
- 1.Qg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(b);OGATE,XB(C)::QAR2(A)
- P(b);N_GUARD::S(E)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- P(b);OGATE,XB(C)::QAR2(A)
- P(c);OGATEB::QAB(A)
- P(b);N_GUARD::S(E)
- Refutation
- P(c);N_SPINS(d),XR(D)
- Try
- Q(A);XP(b)
- Threat
- DUALS(4)
- Vars
- P(c);CHECK::S(E),XP(c)
- Refutation
- S(a);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- P(b);CHECK,XQ(A)::S(E),XP(b)
- P(b);OGATE,XB(C)::QAR(A)
- P(c);N_SPINS(d),OGATE,XR(D)::QAR1(A)
- P(b);OGATE::QAR(A)
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).