MESON Chess Problem Database
Problem Display
PID: 18427 (1B1K4/p7/n4RBb/2pk2qQ/N2p4/1PR5/7n/8 w - - 0 1)
Goulty, Allison Howard
Time & Tide, 1955
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Rd6#
- 2.Qxe5#
- 1...Qf5
- 2.Qxf5#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qh1#
- 1...Sb4
- 2.Rxc5#
- 1...Sc7
- 2.Rxc5#
- 1...Sxb8
- 2.Rxc5#
- 1...d3
- 2.Rxd3#
- 1...c4
- 2.bxc4#
- 1...Qe5
- Tries
- 1.Bxh2?
- threat
- 2.Qf3#
- 1...Qxh5
- 2.Rd6#
- 1...Qf5
- 2.Qxf5#
- 1...d3
- 2.Rxd3#
- 1...Qe5
- 2.Qxe5#
- 1...dxc3!
- threat
- 1.Bg3?
- 1...Qxh5
- 2.Rd6#
- 1...Qf5
- 2.Qxf5#
- 1...d3
- 2.Rxd3#
- 1...Qe5
- 2.Qxe5#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf1
- 2.Qf3#
- 2.Qh1#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qh1#
- 1...Sb4
- 2.Rxc5#
- 1...Sc7
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...c4
- 2.bxc4#
- 1...dxc3!
- 1...Qxh5
- 1.Re3?
- threat
- 2.Be4#
- 2.Bf7#
- 1...Qxh5
- 2.Be4#
- 2.Rd6#
- 1...Sxb8
- 2.Bf7#
- 1...dxe3
- 2.Qd1#
- 1...d3
- 2.Rxd3#
- 1...Qf5
- 2.Bf7#
- 2.Rd6#
- 2.Qxf5#
- 1...Sc7!
- threat
- 1.Rc4?
- 1...Sxb8
- 2.Rxc5#
- 1...Qf5
- 2.Qxf5#
- 1...Sc7
- 2.Rxc5#
- 1...Qe5
- 2.Rd6#
- 2.Qxe5#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qh1#
- 1...Sb4
- 2.Rxc5#
- 1...d3
- 2.Sc3#
- 2.Be4#
- 2.Bf7#
- 1...Qxh5!
- 1...Sxb8
- 1.Qe2?
- threat
- 2.Be4#
- 2.Bf7#
- 2.Qc4#
- 2.Qe4#
- 2.Qe6#
- 1...Qxg6
- 2.Qe5#
- 2.Qe6#
- 1...Sxb8
- 2.Bf7#
- 2.Rxc5#
- 2.Qe4#
- 2.Qe6#
- 1...dxc3
- 2.Qd3#
- 2.Qc4#
- 2.Qe4#
- 1...d3
- 2.Rxd3#
- 2.Qxd3#
- 2.Qe4#
- 1...Qe3
- 2.Qc4#
- 1...Qf4
- 2.Bf7#
- 2.Qc4#
- 2.Qe6#
- 1...Qh4
- 2.Bf7#
- 2.Qc4#
- 2.Qe5#
- 2.Qe6#
- 1...Qg2
- 2.Bf7#
- 2.Rd6#
- 2.Qc4#
- 2.Qe5#
- 2.Qe6#
- 1...Qg4
- 2.Rd6#
- 2.Qc4#
- 2.Qe5#
- 1...Qe5
- 2.Qc4#
- 2.Qxe5#
- 1...Qf5
- 2.Rd6#
- 1...Qh5
- 2.Be4#
- 2.Rd6#
- 2.Qc4#
- 2.Qe4#
- 2.Qe6#
- 1...Sc7
- 2.Rxc5#
- 2.Qe4#
- 1...c4
- 2.Be4#
- 2.Bf7#
- 2.Qxc4#
- 2.Qe4#
- 2.Qe6#
- 2.bxc4#
- 1...Qxf6+!
- threat
- 1.Bxh2?
- Keys
- 1.Bf4!
- 1...Qxh5
- 2.Rd6#
- 1...dxc3
- 2.Qd1#
- 1...Qf5
- 2.Qxf5#
- 1...d3
- 2.Rxd3#
- 1...Qe5
- 2.Qxe5#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf1
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sg4
- 2.Qh1#
- 1...Sb4
- 2.Rxc5#
- 1...Sc7
- 2.Rxc5#
- 1...Sb8
- 2.Rxc5#
- 1...c4
- 2.bxc4#
- 1...Qxh5
- 1.Bf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(e);N_PINR(E),OGATE::QAR2(D),XQ(e)
- B(g);N_GUARD::QAR(D),XQ(e)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);OGATE::QAB(D)
- S(f);N_GUARD::R1(B),XP(c)
- S(f);N_GUARD,XB(G)::R1(B),XP(c)
- P(b);OGATEB::R(B),XP(b)
- P(c);OGATE::P(A),XP(c)
- Tries
- Try
- B(G);XS(a)
- Threat
- QAB(D)
- Vars
- Q(e);N_PINR(E),N_SPINQ(e),XQ(D)::R1(E)
- Q(e);N_PINR(E),OGATE::QAR2(D),XQ(e)
- P(b);OGATEB::R(B),XP(b)
- Q(e);N_PINR(E),OGATE::QAR1(D),XQ(e)
- Refutation
- P(b);XR(B)
- Try
- B(G);
- Vars
- Q(e);N_PINR(E),N_SPINQ(e),XQ(D)::R1(E)
- Q(e);N_PINR(E),OGATE::QAR2(D),XQ(e)
- P(b);OGATEB::R(B),XP(b)
- Q(e);N_PINR(E),OGATE::QAR1(D),XQ(e)
- B(g);N_GUARD::QAR(D),XQ(e)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);OGATE::QAB(D)
- S(f);N_GUARD::R1(B),XP(c)
- P(c);OGATE::P(A),XP(c)
- Refutation
- P(b);XR(B)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(f);XB(G)::B(F)
- P(b);OGATEB,XR(B)::QAR(D)
- P(b);OGATEB::R(B),XP(b)
- Refutation
- S(f);
- Try
- R(B);
- Vars
- S(f);N_GUARD,XB(G)::R1(B),XP(c)
- Q(e);N_PINR(E),OGATE::QAR2(D),XQ(e)
- S(f);N_GUARD::R1(B),XP(c)
- B(g);N_GUARD::QAR(D),XQ(e)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);OGATE::QAB(D)
- Refutation
- Q(e);N_PINR(E),N_SPINQ(e),XQ(D)
- Try
- Q(D);N_PINQ(e)
- Threat
- DUALS(5)
- Vars
- Q(e);N_PINR(E)::QAB1(D)
- Q(e);N_PINR(E)::R1(E)
- Refutation
- Q(e);CHECK,XR(E)
- Try
- Actual
- B(G);
- Vars
- Q(e);N_PINR(E),N_SPINQ(e),XQ(D)::R1(E)
- P(b);OGATEB,XR(B)::QAR(D)
- Q(e);N_PINR(E),OGATE::QAR2(D),XQ(e)
- P(b);OGATEB::R(B),XP(b)
- Q(e);N_PINR(E),OGATE::QAR1(D),XQ(e)
- B(g);N_GUARD::QAR(D),XQ(e)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- S(a);OGATE::QAB(D)
- S(f);N_GUARD::R1(B),XP(c)
- P(c);OGATE::P(A),XP(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).