MESON Chess Problem Database
Problem Display
PID: 23183 (k7/1r6/NPK1P3/8/4Q3/8/8/8 w - - 0 1)
Lincoln, Robert A
Fun with Chess Miniatures, 1996
#2
5 + 2
| 145 | StrateGems | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb6+
- 2.Kxb6#
- 1...Rc7+
- 2.Kxc7#
- 1...Rd7
- 2.Kxd7#
- 1...Rb8
- 2.Sc7#
- 1...Rxb6+
- Tries
- 1.Sc7+?
- 1...Rxc7+
- 2.Kxc7#
- 1...Kb8!
- 1...Rxc7+
- 1.e7?
- 1...Rxb6+
- 2.Kxb6#
- 1...Rc7+
- 2.Kxc7#
- 1...Ra7
- 2.e8Q#
- 2.e8R#
- 1...Rd7
- 2.Kxd7#
- 1...Rb8
- 2.Sc7#
- 1...Rxe7!
- 1...Rxb6+
- 1.Sc7+?
- Keys
- 1.Qd5!
- 1...Rxb6+
- 2.Kxb6#
- 1...Rc7+
- 2.Kxc7#
- 1...Re7
- 2.Qd8#
- 1...Ra7
- 2.Qd8#
- 1...Rd7
- 2.Kxd7#
- 1...Rf7
- 2.Qd8#
- 1...Rg7
- 2.Qd8#
- 1...Rh7
- 2.Qd8#
- 1...Rb8
- 2.Sc7#
- 1...Rxb6+
- 1.Qd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(a);CHECK,XP(C)::QAB(A)+K(D),XR(a)
- R(a);CHECK::QAB(A)+K(D),XR(a)
- R(a);::QAB(A)+K(D),XR(a)
- R(a);N_GUARD,SBLOCK::S(B)
- Tries
- Try
- S(B);CHECK
- Vars
- R(a);CHECK,XS(B)::QAB(A)+K(D),XR(a)
- Refutation
- K(b);P-FLIGHT
- Try
- P(E);
- Vars
- R(a);CHECK,XP(C)::QAB(A)+K(D),XR(a)
- R(a);CHECK::QAB(A)+K(D),XR(a)
- R(a);N_GUARD::P=Q
- R(a);::QAB(A)+K(D),XR(a)
- R(a);N_GUARD,SBLOCK::S(B)
- Refutation
- R(a);XP(E)
- Try
- Actual
- Q(A);
- Vars
- R(a);CHECK,XP(C)::QAB(A)+K(D),XR(a)
- R(a);CHECK::QAB(A)+K(D),XR(a)
- R(a);N_GUARD::QAR(A)
- R(a);::QAB(A)+K(D),XR(a)
- R(a);N_GUARD,SBLOCK::QAR(A)
- R(a);N_GUARD,SBLOCK::S(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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