MESON Chess Problem Database
Problem Display
PID: 51178 (8/8/1N1p1p2/4bP2/1n1BkPK1/1N2PR2/2n5/1B1R4 w - - 0 1)
Goulty, Allison Howard
Manchester Guardian, 1952
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Rxd4#
- 1...Bxf4
- 2.Rxf4#
- 1...Sa2
- 2.Bxc2#
- 1...Sd3
- 2.Sd2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bxd4
- Tries
- 1.Bxc2+?
- 1...Sd3
- 2.Sd2#
- 2.Bxd3#
- 1...Sxc2!
- 1...Sd3
- 1.Bxe5?
- threat
- 2.Rd4#
- 1...dxe5
- 2.Sc5#
- 1...Sd3
- 2.Sd2#
- 1...Sc6
- 2.Bxc2#
- 1...fxe5!
- threat
- 1.Rd2?
- 1...Bxd4
- 2.Rxd4#
- 1...Bxf4
- 2.Rxf4#
- 1...Sa2
- 2.Bxc2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Sd3!
- 1...Bxd4
- 1.Rff1?
- 1...Bxf4
- 2.Rxf4#
- 1...Sd3
- 2.Sd2#
- 1...Sa2
- 2.Bxc2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bxd4!
- 1...Bxf4
- 1.Rf2?
- 1...Bxf4
- 2.Rxf4#
- 1...Sd3
- 2.Sd2#
- 1...Sa2
- 2.Bxc2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bxd4!
- 1...Bxf4
- 1.Rg3?
- 1...Bxd4
- 2.Rxd4#
- 1...Sd3
- 2.Sd2#
- 1...Sa2
- 2.Bxc2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bxf4!
- 1...Bxd4
- 1.Rh3?
- 1...Bxd4
- 2.Rxd4#
- 1...Sd3
- 2.Sd2#
- 1...Sa2
- 2.Bxc2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Bxf4!
- 1...Bxd4
- 1.fxe5?
- threat
- 2.Rf4#
- 1...dxe5
- 2.Sc5#
- 1...Sd3
- 2.Sd2#
- 1...Sd5
- 2.Bxc2#
- 1...fxe5!
- threat
- 1.Bxc2+?
- Keys
- 1.Re1!
- 1...Kd3
- 2.e4#
- 1...Bxd4
- 2.exd4#
- 1...Bxf4
- 2.exf4#
- 1...Sd3
- 2.Sd2#
- 1...Sa2
- 2.Bxc2#
- 1...Sd5
- 2.Bxc2#
- 1...Sa6
- 2.Bxc2#
- 1...Sc6
- 2.Bxc2#
- 1...d5
- 2.Sc5#
- 1...Kd3
- 1.Re1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);OGATE,XB(F)::R1(B),XB(d)
- B(d);OGATE,XP(G)::R1(E),XB(d)
- S(b);N_GUARD::B(A),XS(a)
- S(b);N_SPINS(a),SBLOCK::S(C)
- P(e);N_GUARD::S(C)
- Tries
- Try
- B(A);CHECK,XS(a)
- Refutation
- S(b);XB(A)
- Try
- B(F);XB(d)
- Threat
- R1(B)
- Vars
- P(e);N_GUARD,XB(F)::S(C)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- Refutation
- P(f);XB(F)
- Try
- R(B);
- Vars
- B(d);OGATE,XB(F)::R1(B),XB(d)
- B(d);OGATE,XP(G)::R1(E),XB(d)
- S(b);N_GUARD::B(A),XS(a)
- P(e);N_GUARD::S(C)
- Refutation
- S(b);N_SPINS(a)
- Try
- R(E);
- Vars
- B(d);OGATE,XP(G)::R1(E),XB(d)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- P(e);N_GUARD::S(C)
- Refutation
- B(d);XB(F)
- Try
- R(E);
- Vars
- B(d);OGATE,XP(G)::R1(E),XB(d)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- P(e);N_GUARD::S(C)
- Refutation
- B(d);XB(F)
- Try
- R(E);
- Vars
- B(d);OGATE,XB(F)::R1(B),XB(d)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- P(e);N_GUARD::S(C)
- Refutation
- B(d);XP(G)
- Try
- R(E);
- Vars
- B(d);OGATE,XB(F)::R1(B),XB(d)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- P(e);N_GUARD::S(C)
- Refutation
- B(d);XP(G)
- Try
- P(G);XB(d)
- Threat
- R1(E)
- Vars
- P(e);N_GUARD,XP(G)::S(C)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- Refutation
- P(f);XP(G)
- Try
- Actual
- R(B);
- Vars
- K(c);OGATE,S_FLIGHT::R(E)+P(D)
- B(d);OGATE,XB(F)::R(B)+P(D),XB(d)
- B(d);OGATE,XP(G)::R(B)+P(D),XB(d)
- S(b);N_SPINS(a),SBLOCK::S(C)
- S(b);N_GUARD::B(A),XS(a)
- P(e);N_GUARD::S(C)
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).