MESON Chess Problem Database
Problem Display
PID: 4840 (4n3/8/2K1B3/bN2p2r/r3kPp1/1p2PNp1/1P2Q1P1/2B5 w - - 0 1)
Williams, Philip Hamilton
Illustrated Sporting and Dramatic News, 1892
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qc4#
- 1...Ra2
- 2.Qc4#
- 1...Ra3
- 2.Qc4#
- 1...Rb4
- 2.Sd2#
- 2.Sc3#
- 1...Rc4+
- 2.Qxc4#
- 1...Rd4
- 2.exd4#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bd5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bd2
- 2.Sxd2#
- 1...Bc3
- 2.Sxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Sd2#
- 2.Sc3#
- 1...Bc7
- 2.Sd2#
- 2.Sc3#
- 1...Bd8
- 2.Sd2#
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...gxf3
- 2.gxf3#
- 1...exf4
- 2.exf4#
- 1...Ra1
- Tries
- 1.Se1?
- threat
- 2.Qd3#
- 1...Rc4+
- 2.Qxc4#
- 1...exf4
- 2.exf4#
- 1...Rd4
- 2.exd4#
- 1...Bxe1!
- threat
- 1.Sxe5?
- threat
- 2.Qd3#
- 1...Rc4+
- 2.Qxc4#
- 1...Rd4
- 2.exd4#
- 1...Rxe5!
- threat
- 1.f5?
- 1...Rc4+
- 2.Qxc4#
- 1...Rxf5
- 2.Bd5#
- 1...gxf3
- 2.gxf3#
- 1...Ra1
- 2.Qc4#
- 1...Ra2
- 2.Qc4#
- 1...Ra3
- 2.Qc4#
- 1...Rb4
- 2.Sd2#
- 2.Sc3#
- 1...Rd4
- 2.exd4#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bd2
- 2.Sxd2#
- 1...Bc3
- 2.Sxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Sd2#
- 2.Sc3#
- 1...Bc7
- 2.Sd2#
- 2.Sc3#
- 1...Bd8
- 2.Sd2#
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Be1!
- 1...Rc4+
- 1.Se1?
- Keys
- 1.Bd2!
- 1...Rc4+
- 2.Qxc4#
- 1...Bxd2
- 2.Sxd2#
- 1...gxf3
- 2.gxf3#
- 1...exf4
- 2.exf4#
- 1...Ra1
- 2.Qc4#
- 1...Ra2
- 2.Qc4#
- 1...Ra3
- 2.Qc4#
- 1...Rb4
- 2.Sc3#
- 1...Rd4
- 2.exd4#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bd5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Bc3
- 2.Sxc3#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Sc3#
- 1...Bc7
- 2.Sc3#
- 1...Bd8
- 2.Sc3#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Rc4+
- 1.Bd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::QAR2(C)
- R(c);CHECK,N_GUARD::QAR2(C),XR(c)
- R(c);OGATE::QAR(C)+P(E),XR(c)
- R(h);N_GUARD::S(F)
- R(h);SBLOCK::B(J)
- R(h);N_GUARD::S(F),XR(h)
- R(h);N_GUARD,P_PINB(J)::S(F)
- B(f);N_GUARD::S(F),XB(f)
- B(f);N_GUARD::S(H),XB(f)
- B(f);S_CUTR(c)::QAR2(C)
- S(i);N_GUARD::S(H),XS(i)
- S(i);N_GUARD::S(H)
- P(e);OGATE,XS(F)::P(D),XP(e)
- P(g);OGATE,XP(G)::QAR(C)+P(E),XP(g)
- Tries
- Try
- S(F);
- Threat
- QAB1(C)
- Vars
- R(c);CHECK,N_GUARD::QAR2(C),XR(c)
- P(g);OGATE,XP(G)::QAR(C)+P(E),XP(g)
- R(c);OGATE::QAR(C)+P(E),XR(c)
- Refutation
- B(f);XS(F)
- Try
- S(F);XP(g)
- Threat
- QAB1(C)
- Vars
- R(c);CHECK,N_GUARD::QAR2(C),XR(c)
- R(c);OGATE::QAR(C)+P(E),XR(c)
- Refutation
- R(h);XS(F)
- Try
- P(G);
- Vars
- R(c);CHECK,N_GUARD::QAR2(C),XR(c)
- R(h);SBLOCK,XP(G)::B(J)
- P(e);OGATE,XS(F)::P(D),XP(e)
- R(c);N_GUARD::QAR2(C)
- R(c);OGATE::QAR(C)+P(E),XR(c)
- R(h);N_GUARD::S(F)
- R(h);N_GUARD::S(F),XR(h)
- R(h);N_GUARD,P_PINB(J)::S(F)
- B(f);N_GUARD::S(F),XB(f)
- B(f);N_GUARD::S(H),XB(f)
- B(f);S_CUTR(c)::QAR2(C)
- S(i);N_GUARD::S(H),XS(i)
- S(i);N_GUARD::S(H)
- Refutation
- B(f);
- Try
- Actual
- B(A);
- Vars
- R(c);CHECK,N_GUARD::QAR2(C),XR(c)
- B(f);XB(A)::S(F),XB(f)
- P(e);OGATE,XS(F)::P(D),XP(e)
- P(g);OGATE,XP(G)::QAR(C)+P(E),XP(g)
- R(c);N_GUARD::QAR2(C)
- R(c);S_CUTB(f)::S(H)
- R(c);OGATE::QAR(C)+P(E),XR(c)
- R(h);N_GUARD::S(F)
- R(h);SBLOCK::B(J)
- R(h);N_GUARD::S(F),XR(h)
- R(h);N_GUARD,P_PINB(J)::S(F)
- B(f);N_GUARD::S(H),XB(f)
- B(f);S_CUTR(c)::QAR2(C)
- B(f);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- S(i);N_GUARD::S(H)
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).