MESON Chess Problem Database
Problem Display
PID: 145290 (2R5/1P6/K5QB/5bR1/1N4p1/2N4P/1p1k1P2/1Bb5 w - - 0 1)
Morse, Christopher Jeremy
The Problemist, 1969
#2
11 + 5
SOLUTION
- SOUND
- Sets
- 1...Bxb1
- 2.Re5#
- 1...Bc2
- 2.Re5#
- 1...Be6
- 2.Re5#
- 1...Bxg6
- 2.Re5#
- 1...Bd7
- 2.Re5#
- 1...gxh3
- 2.Rg1#
- 1...Bxb1
- Tries
- 1.Sd3?
- threat
- 2.Rxg4#
- 2.Rxf5#
- 2.Rh5#
- 1...Bxg6
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rxg6#
- 1...Bxc8
- 2.Rc5#
- 1...gxh3
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rh5#
- 1...Be4
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 1...Be6
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 1...Bd7
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 1...g3
- 2.Rxg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rh5#
- 1...Bxd3+!
- threat
- 1.Qe8?
- threat
- 2.Rxg4#
- 2.Rxf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bd3+
- 2.Rb5#
- 1...Bxb1
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bxc8
- 2.Rc5#
- 2.Qe3#
- 1...gxh3
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...Be6
- 2.Re5#
- 1...Bc2
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bg6
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rxg6#
- 2.Qe2#
- 2.Qe3#
- 1...Bd7
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bh7
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...g3
- 2.Rxg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 2.Qe2#
- 2.Qe3#
- 1...Be4!
- threat
- 1.Qe6?
- threat
- 2.Rxg4#
- 2.Rxf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rgg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bd3+
- 2.Rb5#
- 1...Bxb1
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rgg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bxe6
- 2.Re5#
- 1...gxh3
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rgg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bc2
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rgg8#
- 2.Qe2#
- 2.Qe3#
- 1...Bg6
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rxg6#
- 2.Qe2#
- 2.Qe3#
- 1...Bh7
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rgg8#
- 2.Qe2#
- 2.Qe3#
- 1...g3
- 2.Rxg3#
- 2.Rg4#
- 2.Rxf5#
- 2.Rh5#
- 2.Rg6#
- 2.Rg7#
- 2.Rgg8#
- 2.Qe2#
- 2.Qe3#
- 1...Be4!
- threat
- 1.Sd3?
- Keys
- 1.Sc2!
- 1...Bd3+
- 2.Rb5#
- 1...Kd3
- 2.Qd6#
- 1...Bxc2
- 2.Re5#
- 1...Bxg6
- 2.Rd5#
- 1...Bxc8
- 2.Rc5#
- 1...gxh3
- 2.Rg3#
- 1...Be4
- 2.Rd5#
- 1...Be6
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rh5#
- 1...Bd7
- 2.Rxg4#
- 2.Ra5#
- 2.Rb5#
- 2.Rgc5#
- 2.Rd5#
- 2.Re5#
- 2.Rh5#
- 2.Qd6#
- 1...g3
- 2.Rxg3#
- 1...Bd3+
- 1.Sc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(e);OGATE,XB(A)::B(I)+R(F)
- B(e);OGATE::B(I)+R(F)
- B(e);OGATE,XQ(H)::B(I)+R(F)
- P(d);OGATE,XP(D)::B(I)+R(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(e);OGATE,P_PINP(J),XR(K)::B(I)+R(F)
- Refutation
- B(e);CHECK,XS(E)
- Try
- Q(H);
- Threat
- DUALS(8)
- Vars
- B(e);CHECK,OGATE::B(I)+R(F)
- B(e);OGATE::B(I)+R(F)
- Refutation
- B(e);
- Try
- Q(H);
- Threat
- DUALS(8)
- Vars
- B(e);CHECK,OGATE::B(I)+R(F)
- B(e);OGATE,XQ(H)::B(I)+R(F)
- Refutation
- B(e);
- Try
- Actual
- S(E);
- Vars
- B(e);CHECK,OGATE::B(I)+R(F)
- K(c);P-FLIGHT,P_SPINB(e)::QAR(H)
- B(e);OGATE,XS(E)::B(I)+R(F)
- B(e);OGATE,XQ(H)::B(I)+R(F),DCHECK
- B(e);OGATE,P_PINP(J),XR(K)::B(I)+R(F)
- P(d);OGATE,XP(D)::B(I)+R(F)
- B(e);OGATE::B(I)+R(F),DCHECK
- P(d);OGATE::B(I)+R(F),XP(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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