MESON Chess Problem Database
Problem Display
PID: 8073 (B1K5/1R6/p2PP3/3n4/1R1qkBQn/4p1P1/4P3/8 w - - 0 1)
Rice, John Michael
Chess Problems for Solving, 1995
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Qxb4
- 2.Rxb4#
- 1...Qc4+
- 2.Rxc4#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qf3#
- 1...Sg6
- 2.Qxg6#
- 1...Sxb4
- 2.Rxb4#
- 1...Sxf4
- 2.R7b5#
- 1...Sb6+
- 2.R7xb6#
- 1...Sc7
- 2.Rxc7#
- 1...Se7+
- 2.Rxe7#
- 1...Qxb4
- Tries
- 1.Be5+?
- 1...Sf4
- 2.R7b5#
- 1...Kxe5!
- 1...Sf4
- 1.Bg5+?
- 1...Sf4
- 2.R7b5#
- 1...Ke5!
- 1...Sf4
- 1.Bh6+?
- 1...Sf4
- 2.R7b5#
- 1...Ke5!
- 1...Sf4
- 1.R7b5?
- threat
- 2.Bxd5#
- 1...Qc4+
- 2.Rxc4#
- 1...Qxb4
- 2.Rxb4#
- 1...axb5!
- threat
- 1.R7b6?
- 1...Qc4+
- 2.Rxc4#
- 1...Qxb4
- 2.Rxb4#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qf3#
- 1...Sg6
- 2.Qxg6#
- 1...a5!
- 1...Qc4+
- 1.Rb8?
- 1...Qc4+
- 2.Rxc4#
- 1...Qxb4
- 2.Rxb4#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qf3#
- 1...Sg6
- 2.Qxg6#
- 1...a5!
- 1...Qc4+
- 1.Qh5?
- threat
- 2.Qe5#
- 1...Qc4+
- 2.Rxc4#
- 1...Sb6+
- 2.R7xb6#
- 1...Se7+
- 2.Rxe7#
- 1...Sxb4
- 2.Rxb4#
- 1...Sf3
- 2.Qg6#
- 2.Qh7#
- 1...Sf5
- 2.Qf3#
- 2.Qh1#
- 1...Sg6
- 2.Qxg6#
- 1...Sxf4!
- threat
- 1.Be5+?
- Keys
- 1.e7!
- threat
- 2.Qe6#
- 1...Qc4+
- 2.Rxc4#
- 1...Sb6+
- 2.R7xb6#
- 1...Sxe7+
- 2.Rxe7#
- 1...Qxb4
- 2.Rxb4#
- 1...Sxb4
- 2.Rxb4#
- 1...Sxf4
- 2.R7b5#
- 1...Sc7
- 2.Rxc7#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qf3#
- 1...Sg6
- 2.Qxg6#
- threat
- 1.e7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(b);N_SPINQ(b),OGATE,XR(C)::R(H),XQ(b)
- Q(b);CHECK,OGATEB::R(C),XQ(b)
- S(d);N_GUARD::QAB(E)
- S(d);N_GUARD,SBLOCK::QAB1(E)
- S(d);N_GUARD::QAB(E),XS(d)
- S(e);N_SPINQ(b),OGATE,XR(C)::B(I)+R(H),XS(e)
- S(e);OGATEB,P_SPINS(e),XB(D)::B(I)+R(H)
- S(e);CHECK,OGATEB::B(I)+R(H),XS(e)
- S(e);OGATEB::B(I)+R(H),XS(e)
- Tries
- Try
- B(D);CHECK
- Vars
- S(e);P_SPINS(e)::B(I)+R(H)
- Refutation
- K(c);N_SPINQ(b),P-FLIGHT,XB(D)
- Try
- B(D);CHECK
- Vars
- S(e);P_SPINS(e)::B(I)+R(H)
- Refutation
- K(c);N_SPINQ(b),P-FLIGHT
- Try
- B(D);CHECK
- Vars
- S(e);P_SPINS(e)::B(I)+R(H)
- Refutation
- K(c);N_SPINQ(b),P-FLIGHT
- Try
- R(H);P_PINS(e)
- Threat
- B(I),XS(e)
- Vars
- Q(b);CHECK,OGATEB::R(C),XQ(b)
- Q(b);N_SPINQ(b),OGATE,XR(C)::R(H),XQ(b)
- Refutation
- P(f);XR(H)
- Try
- R(H);P_PINS(e)
- Vars
- Q(b);CHECK,OGATEB::R(C),XQ(b)
- Q(b);N_SPINQ(b),OGATE,XR(C)::R(H),XQ(b)
- S(d);N_GUARD::QAB(E)
- S(d);N_GUARD,SBLOCK::QAB1(E)
- S(d);N_GUARD::QAB(E),XS(d)
- Refutation
- P(f);
- Try
- R(H);P_PINS(e)
- Vars
- Q(b);CHECK,OGATEB::R(C),XQ(b)
- Q(b);N_SPINQ(b),OGATE,XR(C)::R(H),XQ(b)
- S(d);N_GUARD::QAB(E)
- S(d);N_GUARD,SBLOCK::QAB1(E)
- S(d);N_GUARD::QAB(E),XS(d)
- Refutation
- P(f);
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- Q(b);CHECK,OGATEB::R(C),XQ(b)
- S(e);CHECK,OGATEB::B(I)+R(H),XS(e)
- S(e);N_SPINQ(b),OGATE,XR(C)::B(I)+R(H),XS(e)
- S(d);N_GUARD::QAB(E),XS(d)
- Refutation
- S(e);XB(D)
- Try
- Actual
- P(G);
- Threat
- QAR2(E)
- Vars
- Q(b);CHECK,OGATEB::R(C),XQ(b)
- S(e);CHECK,OGATEB::B(I)+R(H),XS(e)
- S(e);CHECK,OGATE,XP(G)::B(I)+R(H),DCHECK,XS(e)
- Q(b);N_SPINQ(b),OGATE,XR(C)::R(H),XQ(b)
- S(e);N_SPINQ(b),OGATE,XR(C)::B(I)+R(H),XS(e)
- S(e);OGATEB,P_SPINS(e),XB(D)::B(I)+R(H)
- S(e);OGATEB::B(I)+R(H),XS(e)
- S(d);N_GUARD::QAB(E)
- S(d);N_GUARD,SBLOCK::QAB1(E)
- S(d);N_GUARD::QAB(E),XS(d)
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).