MESON Chess Problem Database
Problem Display
PID: 154606 (6n1/p2B2pb/PPP1qNN1/1QK2k1r/1R5P/bp1p4/1B4R1/2n5 w - - 0 1)
Williams, Philip Hamilton
Source?, 0000
#2
12 + 11
| 15 | British Chess Magazine | 1903 |
SOLUTION
- SOUND
- Sets
- 1...Rxh4
- 2.Sxh4#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Bxb2
- 2.Rf4#
- 1...Bxb4+
- 2.Kxb4#
- 1...Bxg6
- 2.Rf2#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sxf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d2
- 2.Qf1#
- 1...axb6+
- 2.Kxb6#
- 1...gxf6
- 2.Kd4#
- 1...Rxh4
- Tries
- 1.Rg1?
- 1...Bxb4+
- 2.Kxb4#
- 1...axb6+
- 2.Kxb6#
- 1...Rxh4
- 2.Sxh4#
- 1...Bxb2
- 2.Rf4#
- 1...Bxg6
- 2.Rf1#
- 1...Sxf6
- 2.Se7#
- 1...gxf6
- 2.Kd4#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d2
- 2.Qf1#
- 1...Qxd7!
- 1...Bxb4+
- 1.Rg3?
- 1...Bxb4+
- 2.Kxb4#
- 1...axb6+
- 2.Kxb6#
- 1...Rxh4
- 2.Sxh4#
- 1...Bxb2
- 2.Rf4#
- 1...Bxg6
- 2.Rf3#
- 1...Sxf6
- 2.Se7#
- 1...gxf6
- 2.Kd4#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d2
- 2.Qf1#
- 1...Qxd7!
- 1...Bxb4+
- 1.bxa7?
- threat
- 2.Kb6#
- 1...Bxb4+
- 2.Kxb4#
- 1...Bxb2
- 2.Rf4#
- 1...Sxf6
- 2.Se7#
- 1...Rg5
- 2.Rxg5#
- 1...Se7
- 2.Sxe7#
- 1...Qxd7!
- threat
- 1.b7?
- 1...Bxb4+
- 2.Kxb4#
- 1...Rxh4
- 2.Sxh4#
- 1...Bxb2
- 2.Rf4#
- 1...Bxg6
- 2.Rf2#
- 1...Sxf6
- 2.Se7#
- 1...gxf6
- 2.Kd4#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d2
- 2.Qf1#
- 1...Qxd7!
- 1...Bxb4+
- 1.c7?
- 1...Bxb4+
- 2.Kxb4#
- 1...Qxd7
- 2.Qxd7#
- 1...Rxh4
- 2.Sxh4#
- 1...Bxb2
- 2.Rf4#
- 1...Bxg6
- 2.Rf2#
- 1...Sxf6
- 2.Se7#
- 1...gxf6
- 2.Kd4#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d2
- 2.Qf1#
- 1...axb6+!
- 1...Bxb4+
- 1.Rg1?
- Keys
- 1.Bc8!
- 1...Bxb4+
- 2.Kxb4#
- 1...axb6+
- 2.Kxb6#
- 1...Qxc8
- 2.Kd6#
- 1...Rxh4
- 2.Sxh4#
- 1...Bxb2
- 2.Rf4#
- 1...Bxg6
- 2.Rf2#
- 1...Sxf6
- 2.Se7#
- 1...gxf6
- 2.Kd4#
- 1...Qd7
- 2.Bxd7#
- 1...Rg5
- 2.Rxg5#
- 1...Rh6
- 2.Rg5#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...d2
- 2.Qf1#
- 1...Bxb4+
- 1.Bc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);XP(D)::S(K),XR(f)
- R(f);N_GUARD::R1(B),XR(f)
- R(f);N_GUARD::R1(B)
- B(b);N_PINR(C),XB(A)::R1(C)
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- B(j);SBLOCK,XS(K)::R(B)
- S(a);N_GUARD::QAB(E),XP(d)
- S(k);N_GUARD,XS(J)::S(K)
- S(k);N_GUARD::S(K)
- S(k);N_GUARD::S(K),XS(k)
- P(d);OGATE::QAR(E)
- P(h);CHECK,XP(H)::QAR(E)+K(F),XP(h)
- P(i);SBLOCK,XS(J)::QAR(E)+K(F)
- Tries
- Try
- R(B);
- Vars
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- P(h);CHECK,XP(H)::QAR(E)+K(F),XP(h)
- R(f);XP(D)::S(K),XR(f)
- B(b);N_PINR(C),XB(A)::R1(C)
- B(j);SBLOCK,XS(K)::R(B)
- S(k);N_GUARD,XS(J)::S(K)
- P(i);SBLOCK,XS(J)::QAR(E)+K(F)
- R(f);N_GUARD::R1(B),XR(f)
- R(f);N_GUARD::R1(B)
- S(a);N_GUARD::QAB(E),XP(d)
- S(k);N_GUARD::S(K)
- S(k);N_GUARD::S(K),XS(k)
- P(d);OGATE::QAR(E)
- Refutation
- Q(g);N_SPINQ(g),XB(L)
- Try
- R(B);
- Vars
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- P(h);CHECK,XP(H)::QAR(E)+K(F),XP(h)
- R(f);XP(D)::S(K),XR(f)
- B(b);N_PINR(C),XB(A)::R1(C)
- B(j);SBLOCK,XS(K)::R(B)
- S(k);N_GUARD,XS(J)::S(K)
- P(i);SBLOCK,XS(J)::QAR(E)+K(F)
- R(f);N_GUARD::R1(B),XR(f)
- R(f);N_GUARD::R1(B)
- S(a);N_GUARD::QAB(E),XP(d)
- S(k);N_GUARD::S(K)
- S(k);N_GUARD::S(K),XS(k)
- P(d);OGATE::QAR(E)
- Refutation
- Q(g);N_SPINQ(g),XB(L)
- Try
- P(H);XP(h)
- Threat
- QAR(E)+K(F)
- Vars
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- B(b);N_PINR(C),XB(A)::R1(C)
- S(k);N_GUARD,XS(J)::S(K)
- R(f);N_GUARD::R1(B),XR(f)
- S(k);N_GUARD::S(K),XS(k)
- Refutation
- Q(g);N_SPINQ(g),XB(L)
- Try
- P(H);
- Vars
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- R(f);XP(D)::S(K),XR(f)
- B(b);N_PINR(C),XB(A)::R1(C)
- B(j);SBLOCK,XS(K)::R(B)
- S(k);N_GUARD,XS(J)::S(K)
- P(i);SBLOCK,XS(J)::QAR(E)+K(F)
- R(f);N_GUARD::R1(B),XR(f)
- R(f);N_GUARD::R1(B)
- S(a);N_GUARD::QAB(E),XP(d)
- S(k);N_GUARD::S(K)
- S(k);N_GUARD::S(K),XS(k)
- P(d);OGATE::QAR(E)
- Refutation
- Q(g);N_SPINQ(g),XB(L)
- Try
- P(I);
- Vars
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- Q(g);N_SPINQ(g),OGATE,XB(L)::QAB(E),XQ(g)
- R(f);XP(D)::S(K),XR(f)
- B(b);N_PINR(C),XB(A)::R1(C)
- B(j);SBLOCK,XS(K)::R(B)
- S(k);N_GUARD,XS(J)::S(K)
- P(i);SBLOCK,XS(J)::QAR(E)+K(F)
- R(f);N_GUARD::R1(B),XR(f)
- R(f);N_GUARD::R1(B)
- S(a);N_GUARD::QAB(E),XP(d)
- S(k);N_GUARD::S(K)
- S(k);N_GUARD::S(K),XS(k)
- P(d);OGATE::QAR(E)
- Refutation
- P(h);CHECK,XP(H)
- Try
- Actual
- B(L);
- Vars
- B(b);CHECK,XR(C)::QAR(E)+K(F),XB(b)
- P(h);CHECK,XP(H)::QAR(E)+K(F),XP(h)
- Q(g);N_SPINQ(g),P_PINP(I),XB(L)::QAR(E)+K(F)
- R(f);XP(D)::S(K),XR(f)
- B(b);N_PINR(C),XB(A)::R1(C)
- B(j);SBLOCK,XS(K)::R(B)
- S(k);N_GUARD,XS(J)::S(K)
- P(i);SBLOCK,XS(J)::QAR(E)+K(F)
- Q(g);OGATEB::B(L),XQ(g)
- R(f);N_GUARD::R1(B),XR(f)
- R(f);N_GUARD::R1(B)
- S(a);N_GUARD::QAB(E),XP(d)
- S(k);N_GUARD::S(K)
- S(k);N_GUARD::S(K),XS(k)
- P(d);OGATE::QAR(E)
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).