MESON Chess Problem Database
Problem Display
PID: 2374 (2K5/3N1p2/3kP3/1P1P1PB1/4r3/1R6/1N4B1/8 w - - 0 1)
Greenshields, EB
Source?, 0000
#2
10 + 3
| 4774 | Canadian Chess Problems | 1890 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Rd3#
- 1...Re1
- 2.Sc4#
- 1...Re2
- 2.Sc4#
- 1...Re3
- 2.Sc4#
- 1...Rc4+
- 2.Sxc4#
- 1...Re5
- 2.Sc4#
- 1...Rxe6
- 2.Sc4#
- 1...Kxd5
- Tries
- 1.Be7+?
- 1...Kxd5
- 2.Rd3#
- 1...Kxe7!
- 1...Kxd5
- 1.e7?
- 1...Rc4+
- 2.Sxc4#
- 1...Kxd5
- 2.Rd3#
- 1...Rxe7
- 2.Sc4#
- 1...Ra4
- 2.e8S#
- 1...Re1
- 2.Sc4#
- 1...Re2
- 2.Sc4#
- 1...Re3
- 2.Sc4#
- 1...Rb4
- 2.e8S#
- 1...Rd4
- 2.e8S#
- 1...Rf4
- 2.e8S#
- 1...Rg4
- 2.e8S#
- 1...Rh4
- 2.e8S#
- 1...Re5
- 2.Sc4#
- 1...Re6
- 2.Sc4#
- 1...f6!
- 1...Rc4+
- 1.Be7+?
- Keys
- 1.exf7!
- 1...Rc4+
- 2.Sxc4#
- 1...Re8+
- 2.fxe8S#
- 1...Kxd5
- 2.Rd3#
- 1...Ra4
- 2.f8Q#
- 2.f8B#
- 1...Re1
- 2.Sc4#
- 1...Re2
- 2.Sc4#
- 1...Re3
- 2.Sc4#
- 1...Rb4
- 2.f8Q#
- 2.f8B#
- 1...Rd4
- 2.f8Q#
- 2.f8B#
- 1...Rf4
- 2.f8Q#
- 2.f8B#
- 1...Rg4
- 2.f8Q#
- 2.f8B#
- 1...Rh4
- 2.f8Q#
- 2.f8B#
- 1...Re5
- 2.Sc4#
- 1...Re6
- 2.Sc4#
- 1...Re7
- 2.Sc4#
- 1...Rc4+
- 1.exf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,P-FLIGHT,P_SPINR(a),XP(E)::R(C)
- R(a);N_GUARD::S(A)
- R(a);CHECK,N_GUARD::S(A),XR(a)
- R(a);N_GUARD,XP(H)::S(A)
- Tries
- Try
- B(G);CHECK
- Vars
- K(b);P-FLIGHT,P_SPINR(a),XP(E)::R(C)
- Refutation
- K(b);S_FLIGHT,XB(G)
- Try
- P(H);
- Vars
- R(a);CHECK,N_GUARD::S(A),XR(a)
- K(b);OGATEB,P-FLIGHT,P_SPINR(a),XP(E)::R(C)
- R(a);N_GUARD,XP(H)::S(A)
- R(a);N_GUARD::P=S
- R(a);N_GUARD::S(A)
- Refutation
- P(c);
- Try
- Actual
- P(H);XP(c)
- Vars
- R(a);CHECK,N_GUARD::S(A),XR(a)
- R(a);CHECK,OGATE::PXR(a)=S
- K(b);OGATEB,P-FLIGHT,P_SPINR(a),XP(E)::R(C)
- R(a);N_GUARD::P=Q
- R(a);N_GUARD::S(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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