MESON Chess Problem Database
Problem Display
PID: 160829 (4Rn1n/r1p5/P1Bk3N/NK3P2/2Pp1p2/2pq4/2R1p3/4B3 w - - 0 1)
Williams, Philip Hamilton
Leeds Mercury Supplement, 1904
#2
10 + 10
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.c5#
- 1...Qxc4+
- 2.Sxc4#
- 1...Qe4
- 2.c5#
- 1...Qxf5+
- 2.Sxf5#
- 1...Qd1
- 2.c5#
- 1...Qd2
- 2.c5#
- 1...Qe3
- 2.c5#
- 1...Qf3
- 2.c5#
- 1...Qg3
- 2.c5#
- 1...Qh3
- 2.c5#
- 1...Rxa6
- 2.Sb7#
- 1...Rb7+
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Se6
- 2.Rxe6#
- 1...Sfg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Shg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...f3
- 2.Bg3#
- 1...Qxc2
- Tries
- 1.Rc1?
- 1...Qxc4+
- 2.Sxc4#
- 1...Qxf5+
- 2.Sxf5#
- 1...Rb7+
- 2.Sxb7#
- 1...Rxa6
- 2.Sb7#
- 1...Se6
- 2.Rxe6#
- 1...Qc2
- 2.c5#
- 1...Qe4
- 2.c5#
- 1...Qd1
- 2.c5#
- 1...Qd2
- 2.c5#
- 1...Qe3
- 2.c5#
- 1...Qf3
- 2.c5#
- 1...Qg3
- 2.c5#
- 1...Qh3
- 2.c5#
- 1...Ra8
- 2.Sb7#
- 1...Sfg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Shg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c2
- 2.Bb4#
- 1...f3
- 2.Bg3#
- 1...Qb1+!
- 1...Qxc4+
- 1.Ra2?
- 1...Qxc4+
- 2.Sxc4#
- 1...Qxf5+
- 2.Sxf5#
- 1...Rb7+
- 2.Sxb7#
- 1...Rxa6
- 2.Sb7#
- 1...Se6
- 2.Rxe6#
- 1...Qc2
- 2.c5#
- 1...Qe4
- 2.c5#
- 1...Qd1
- 2.c5#
- 1...Qd2
- 2.c5#
- 1...Qe3
- 2.c5#
- 1...Qf3
- 2.c5#
- 1...Qg3
- 2.c5#
- 1...Qh3
- 2.c5#
- 1...Ra8
- 2.Sb7#
- 1...Sfg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Shg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c2
- 2.Bb4#
- 1...f3
- 2.Bg3#
- 1...Qb1+!
- 1...Qxc4+
- 1.Re4?
- 1...Qxc4+
- 2.Sxc4#
- 1...Rb7+
- 2.Sxb7#
- 1...Qxc2
- 2.c5#
- 1...Rxa6
- 2.Sb7#
- 1...Se6
- 2.Rxe6#
- 1...Qd1
- 2.c5#
- 1...Qd2
- 2.c5#
- 1...Qe3
- 2.c5#
- 1...Qf3
- 2.c5#
- 1...Qg3
- 2.c5#
- 1...Qh3
- 2.c5#
- 1...Ra8
- 2.Sb7#
- 1...Sfg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Shg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...f3
- 2.Bg3#
- 1...Qxe4!
- 1...Qxc4+
- 1.Rc1?
- Keys
- 1.Rb2!
- 1...Qxc4+
- 2.Sxc4#
- 1...Qxf5+
- 2.Sxf5#
- 1...Rb7+
- 2.Sxb7#
- 1...Rxa6
- 2.Sb7#
- 1...cxb2
- 2.Bb4#
- 1...Se6
- 2.Rxe6#
- 1...Qb1
- 2.c5#
- 1...Qc2
- 2.c5#
- 1...Qe4
- 2.c5#
- 1...Qd1
- 2.c5#
- 1...Qd2
- 2.c5#
- 1...Qe3
- 2.c5#
- 1...Qf3
- 2.c5#
- 1...Qg3
- 2.c5#
- 1...Qh3
- 2.c5#
- 1...Ra8
- 2.Sb7#
- 1...Sfg6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Shg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...c2
- 2.Bb4#
- 1...f3
- 2.Bg3#
- 1...Qxc4+
- 1.Rb2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(c);N_PINP(C),XR(B)::P(C)
- Q(c);CHECK,XP(C)::S(D),XQ(c)
- Q(c);N_PINP(C)::P(C)
- Q(c);CHECK,N_PINP(C),XP(F)::S(I),XQ(c)
- R(g);N_GUARD,XP(G)::S(D)
- R(g);CHECK,N_GUARD::S(D),XR(g)
- R(g);N_GUARD::S(D)
- S(i);N_GUARD::R1(J),XS(i)
- S(i);N_GUARD::R1(J)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- P(e);OGATEB::B(A)
- Tries
- Try
- R(B);
- Vars
- Q(c);CHECK,XP(C)::S(D),XQ(c)
- Q(c);CHECK,N_PINP(C),XP(F)::S(I),XQ(c)
- R(g);CHECK,N_GUARD::S(D),XR(g)
- R(g);N_GUARD,XP(G)::S(D)
- S(i);N_GUARD::R1(J),XS(i)
- Q(c);N_PINP(C)::P(C)
- R(g);N_GUARD::S(D)
- S(i);N_GUARD::R1(J)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- P(b);OGATE::B(A)
- P(e);OGATEB::B(A)
- Refutation
- Q(c);CHECK,N_PINP(C)
- Try
- R(B);
- Vars
- Q(c);CHECK,XP(C)::S(D),XQ(c)
- Q(c);CHECK,N_PINP(C),XP(F)::S(I),XQ(c)
- R(g);CHECK,N_GUARD::S(D),XR(g)
- R(g);N_GUARD,XP(G)::S(D)
- S(i);N_GUARD::R1(J),XS(i)
- Q(c);N_PINP(C)::P(C)
- R(g);N_GUARD::S(D)
- S(i);N_GUARD::R1(J)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- P(b);OGATE::B(A)
- P(e);OGATEB::B(A)
- Refutation
- Q(c);CHECK,N_PINP(C)
- Try
- R(J);
- Vars
- Q(c);CHECK,XP(C)::S(D),XQ(c)
- R(g);CHECK,N_GUARD::S(D),XR(g)
- Q(c);N_PINP(C),XR(B)::P(C)
- R(g);N_GUARD,XP(G)::S(D)
- S(i);N_GUARD::R1(J),XS(i)
- Q(c);N_PINP(C)::P(C)
- R(g);N_GUARD::S(D)
- S(i);N_GUARD::R1(J)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- P(e);OGATEB::B(A)
- Refutation
- Q(c);N_PINP(C),XR(J)
- Try
- Actual
- R(B);
- Vars
- Q(c);CHECK,XP(C)::S(D),XQ(c)
- Q(c);CHECK,N_PINP(C),XP(F)::S(I),XQ(c)
- R(g);CHECK,N_GUARD::S(D),XR(g)
- R(g);N_GUARD,XP(G)::S(D)
- P(b);OGATE,XR(B)::B(A)
- S(i);N_GUARD::R1(J),XS(i)
- Q(c);N_PINP(C),P_PINR(B)::P(C)
- Q(c);N_PINP(C)::P(C)
- R(g);N_GUARD::S(D)
- S(i);N_GUARD::R1(J)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- P(b);OGATE::B(A)
- P(e);OGATEB::B(A)
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).