MESON Chess Problem Database
Problem Display
PID: 182748 (qnN5/2P1Rp2/2k5/pR6/P3bK2/B6Q/n2P4/8 w - - 0 1)
Williams, Philip Hamilton
BCF Solving Ty., 1913
#2
9 + 7
| 15 | British Chess Magazine | 1913 |
SOLUTION
- SOUND
- Sets
- 1...Qb7
- 2.Rc5#
- 1...Qa6
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 1...Bh1
- 2.Qxh1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Bd5
- 2.Rb6#
- 1...Sc1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Sa6
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- 1...f5
- 2.Qh6#
- 1...f6
- 2.Qe6#
- 1...Qb7
- Tries
- 1.Kxe4?
- threat
- 2.Rb6#
- 1...Sc3+
- 2.Qxc3#
- 1...Sd7
- 2.Qxd7#
- 1...Qb7
- 2.Rc5#
- 1...Qa6
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 1...Sb4
- 2.Qc3#
- 1...f5+!
- threat
- 1.Ke5?
- threat
- 2.Rb6#
- 1...Sd7+
- 2.Qxd7#
- 1...Qb7
- 2.Rc5#
- 1...Qa6
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 1...Sb4
- 2.Qc3#
- 1...f6+!
- threat
- 1.Rxf7?
- threat
- 2.Qe6#
- 1...Sd7
- 2.Qxd7#
- 1...Bd5
- 2.Rb6#
- 1...Bf5!
- threat
- 1.Qf5?
- threat
- 2.Rb6#
- 2.Qxe4#
- 2.Qc5#
- 2.Qf6#
- 1...Sd7
- 2.Qxd7#
- 1...Bb1
- 2.Rb6#
- 2.Qc5#
- 2.Qd5#
- 2.Qf6#
- 1...Qb7
- 2.Rc5#
- 2.Qxe4#
- 2.Qc5#
- 2.Qf6#
- 1...Qa6
- 2.Qxe4#
- 2.Qc5#
- 2.Qf6#
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 2.Qxe4#
- 2.Qf6#
- 1...Bh1
- 2.Rb6#
- 2.Qc5#
- 2.Qf6#
- 1...Bc2
- 2.Rb6#
- 2.Qc5#
- 2.Qd5#
- 2.Qf6#
- 1...Bg2
- 2.Rb6#
- 2.Qc5#
- 2.Qf6#
- 1...Bd3
- 2.Rb6#
- 2.Qc5#
- 2.Qd5#
- 2.Qf6#
- 1...Bf3
- 2.Rb6#
- 2.Qc5#
- 2.Qf6#
- 1...Bd5
- 2.Rb6#
- 2.Qxd5#
- 1...Sc3
- 2.Rb6#
- 2.Qc5#
- 2.Qf6#
- 1...Sb4
- 2.Rb6#
- 2.Qc5#
- 2.Qf6#
- 1...Sa6
- 2.Rb6#
- 2.Qxe4#
- 2.Qd7#
- 2.Qf6#
- 1...f6
- 2.Rb6#
- 2.Qxe4#
- 2.Qe6#
- 2.Qc5#
- 2.Qxf6#
- 1...Bxf5!
- threat
- 1.Qb3?
- threat
- 2.Rc5#
- 2.Rb6#
- 2.Qc4#
- 1...Qb7
- 2.Rc5#
- 2.Qc4#
- 1...Qa6
- 2.Rc5#
- 2.Qc4#
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 1...Bd3
- 2.Rc5#
- 2.Rb6#
- 2.Qd5#
- 1...Bd5
- 2.Rc5#
- 2.Rb6#
- 2.Qxd5#
- 1...Sb4
- 2.Qc4#
- 2.Qc3#
- 1...Sa6
- 2.Rb6#
- 1...Sd7!
- threat
- 1.Qd3?
- threat
- 2.Rb6#
- 2.Qc4#
- 2.Qxe4#
- 2.Qd6#
- 1...Sd7
- 2.Qd6#
- 2.Qxd7#
- 1...Qb7
- 2.Rc5#
- 2.Qc4#
- 2.Qxe4#
- 2.Qd6#
- 1...Qa6
- 2.Qc4#
- 2.Qxe4#
- 2.Qd6#
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 2.Qxe4#
- 2.Qd6#
- 1...Bh1
- 2.Rb6#
- 2.Qc4#
- 2.Qd6#
- 1...Bg2
- 2.Rb6#
- 2.Qc4#
- 2.Qd6#
- 1...Bf3
- 2.Rb6#
- 2.Qc4#
- 2.Qxf3#
- 2.Qd6#
- 1...Bd5
- 2.Rb6#
- 2.Qxd5#
- 1...Bf5
- 2.Rb6#
- 2.Qc4#
- 2.Qd5#
- 2.Qd6#
- 1...Bg6
- 2.Rb6#
- 2.Qc4#
- 2.Qd5#
- 2.Qd6#
- 1...Bh7
- 2.Rb6#
- 2.Qc4#
- 2.Qd5#
- 2.Qd6#
- 1...Sc3
- 2.Rb6#
- 2.Qc4#
- 2.Qxc3#
- 2.Qd6#
- 1...Sb4
- 2.Qc4#
- 2.Qc3#
- 2.Qd6#
- 1...Sa6
- 2.Rb6#
- 2.Qxe4#
- 2.Qd6#
- 2.Qd7#
- 1...f5
- 2.Rb6#
- 2.Qc4#
- 2.Qd6#
- 1...Bxd3!
- threat
- 1.Qe3?
- threat
- 2.Qc5#
- 2.Qb6#
- 2.Qxe4#
- 1...Bb1
- 2.Qc5#
- 2.Qb6#
- 1...Qb7
- 2.Rc5#
- 2.Qc5#
- 2.Qxe4#
- 1...Qa6
- 2.Qc5#
- 2.Qxe4#
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 2.Qxe4#
- 1...Bh1
- 2.Qc5#
- 2.Qb6#
- 1...Bc2
- 2.Qc5#
- 2.Qb6#
- 1...Bg2
- 2.Qc5#
- 2.Qb6#
- 1...Bd3
- 2.Qc5#
- 2.Qb6#
- 1...Bf3
- 2.Qc5#
- 2.Qb6#
- 2.Qxf3#
- 1...Bd5
- 2.Rb6#
- 2.Qc5#
- 2.Qb6#
- 1...Bf5
- 2.Qc5#
- 2.Qb6#
- 1...Bg6
- 2.Qc5#
- 2.Qb6#
- 1...Bh7
- 2.Qc5#
- 2.Qb6#
- 1...Sc3
- 2.Qc5#
- 2.Qb6#
- 2.Qxc3#
- 1...Sb4
- 2.Qc5#
- 2.Qb6#
- 2.Qc3#
- 1...Sa6
- 2.Qb6#
- 2.Qxe4#
- 1...f5
- 2.Qc5#
- 2.Qb6#
- 1...Sd7!
- threat
- 1.Qh6+?
- 1...f6
- 2.Qxf6#
- 1...Bg6!
- 1...f6
- 1.cxb8Q?
- threat
- 2.Rc5#
- 2.Rc7#
- 2.Qd7#
- 2.Qd6#
- 2.Qc7#
- 2.Qb6#
- 2.Qxa8#
- 1...Qb7
- 2.Rc5#
- 2.Qd6#
- 2.Qxb7#
- 1...Qa6
- 2.Rc5#
- 2.Rc7#
- 2.Qd7#
- 2.Qd6#
- 2.Qc7#
- 1...Qa7
- 2.Sxa7#
- 2.Qd6#
- 1...Bf5
- 2.Rc5#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 2.Qb6#
- 2.Qxa8#
- 1...Sb4
- 2.Rc7#
- 2.Qd7#
- 2.Qd6#
- 2.Qc7#
- 2.Qc3#
- 2.Qb6#
- 2.Qxa8#
- 1...f5
- 2.Rc5#
- 2.Rc7#
- 2.Qd6#
- 2.Qc7#
- 2.Qh6#
- 2.Qb6#
- 2.Qxa8#
- 1...Qxb8+!
- threat
- 1.cxb8B?
- threat
- 2.Rc5#
- 2.Rc7#
- 2.Qd7#
- 1...Qb7
- 2.Rc5#
- 1...Qa7
- 2.Sxa7#
- 1...Bf5
- 2.Rc5#
- 2.Rc7#
- 1...Sb4
- 2.Rc7#
- 2.Qd7#
- 2.Qc3#
- 1...f5
- 2.Rc5#
- 2.Rc7#
- 2.Qh6#
- 1...Qxb8+!
- threat
- 1.cxb8R?
- threat
- 2.Rc5#
- 2.R8b6#
- 2.Qd7#
- 1...Qb7
- 2.Rc5#
- 1...Qa6
- 2.Rc5#
- 2.Qd7#
- 1...Qa7
- 2.Sxa7#
- 1...Bf5
- 2.Rc5#
- 2.R8b6#
- 1...Sb4
- 2.R8b6#
- 2.Qd7#
- 2.Qc3#
- 1...f5
- 2.Rc5#
- 2.R8b6#
- 2.Qh6#
- 1...Qxb8+!
- threat
- 1.Kxe4?
- Keys
- 1.d4!
- 1...Sd7
- 2.Qxd7#
- 1...Bb1
- 2.d5#
- 1...Qb7
- 2.Rc5#
- 1...Qa6
- 2.cxb8S#
- 1...Qa7
- 2.Sxa7#
- 1...Bh1
- 2.Qxh1#
- 1...Bc2
- 2.d5#
- 1...Bg2
- 2.Qxg2#
- 1...Bd3
- 2.d5#
- 1...Bf3
- 2.Qxf3#
- 1...Bd5
- 2.Rb6#
- 1...Bf5
- 2.d5#
- 1...Bg6
- 2.d5#
- 1...Bh7
- 2.d5#
- 1...Sc1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Sa6
- 2.Qd7#
- 1...f5
- 2.Qh6#
- 1...f6
- 2.Qe6#
- 1...Sd7
- 1.d4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Q(f);SBLOCK::R1(F)
- Q(f);N_GUARD::PXS(g)=S
- Q(f);N_GUARD::S(I),XQ(f)
- B(b);OGATEB::QAB(C),XB(b)
- B(b);SBLOCK::R1(F)
- S(a);N_GUARD::QAR(C)
- S(a);N_GUARD::QAR(C),XS(a)
- S(g);N_GUARD::QAB1(C)
- S(g);N_GUARD::QAB1(C),XS(g)
- P(e);N_GUARD,S_CUTB(b)::QAR(C)
- P(e);N_GUARD::QAR2(C)
- Tries
- Try
- K(E);P-FLIGHT,XB(b)
- Threat
- R1(F)
- Vars
- S(a);CHECK,N_GUARD::QAR(C),XS(a)
- S(g);N_GUARD::QAB1(C),XS(g)
- Q(f);SBLOCK::R1(F)
- Q(f);N_GUARD::PXS(g)=S
- Q(f);N_GUARD::S(I),XQ(f)
- S(a);N_GUARD::QAR(C)
- Refutation
- P(e);CHECK
- Try
- K(E);S_FLIGHT
- Threat
- R1(F)
- Vars
- S(g);CHECK,N_GUARD::QAB1(C),XS(g)
- Q(f);SBLOCK::R1(F)
- Q(f);N_GUARD::PXS(g)=S
- Q(f);N_GUARD::S(I),XQ(f)
- S(a);N_GUARD::QAR(C)
- Refutation
- P(e);CHECK
- Try
- R(H);XP(e)
- Threat
- QAR2(C)
- Vars
- S(g);N_GUARD::QAB1(C),XS(g)
- B(b);SBLOCK::R1(F)
- Refutation
- B(b);
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- S(g);N_GUARD::QAB1(C),XS(g)
- Refutation
- B(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- Q(f);N_GUARD::S(I),XQ(f)
- S(g);::R1(F)
- Refutation
- S(g);
- Try
- Q(C);
- Threat
- DUALS(4)
- Refutation
- B(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(3)
- Refutation
- S(g);
- Try
- Q(C);CHECK
- Vars
- P(e);P_SPINP(e)::QAR(C),XP(e)
- Refutation
- B(b);P_SPINB(b)
- Try
- P(G);XS(g)
- Threat
- DUALS(7)
- Refutation
- Q(f);CHECK,XQ(G)
- Try
- P(G);XS(g)
- Threat
- DUALS(3)
- Vars
- Q(f);::R1(F)
- Q(f);N_GUARD::S(I),XQ(f)
- Refutation
- Q(f);CHECK,XB(G)
- Try
- P(G);XS(g)
- Threat
- DUALS(3)
- Vars
- Q(f);::R1(F)
- Q(f);N_GUARD::S(I),XQ(f)
- Refutation
- Q(f);CHECK,XR(G)
- Try
- Actual
- P(A);
- Vars
- S(g);N_GUARD::QAB1(C),XS(g)
- B(b);N_GUARD::P(A)
- Q(f);SBLOCK::R1(F)
- Q(f);N_GUARD::PXS(g)=S
- Q(f);N_GUARD::S(I),XQ(f)
- B(b);OGATEB::QAB(C),XB(b)
- B(b);SBLOCK::R1(F)
- S(a);N_GUARD::QAR(C)
- S(a);N_GUARD::QAR(C),XS(a)
- S(g);N_GUARD::QAB1(C)
- P(e);N_GUARD,S_CUTB(b)::QAR(C)
- P(e);N_GUARD::QAR2(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).