MESON Chess Problem Database
Problem Display
PID: 47167 (b2r4/1n1R4/8/2P5/k3N1B1/2B2p2/1R1p4/1N1K4 w - - 0 1)
Williams, Philip Hamilton
Revue d'Echecs, 1903
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxd7
- 2.Bxd7#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Ra7#
- 1...Rxd7
- Tries
- 1.Sf2?
- 1...Rxd7
- 2.Bxd7#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...Sxc5!
- 1...Rxd7
- 1.Bxd2?
- 1...Rxd7
- 2.Bxd7#
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Sec3#
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...f2!
- 1...Rxd7
- 1.Bxf3?
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...Rxd7!
- 1...Sxc5
- 1.Bh3?
- 1...Rxd7
- 2.Bxd7#
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...f2!
- 1...Rxd7
- 1.Bf5?
- 1...Rxd7
- 2.Bxd7#
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...f2!
- 1...Rxd7
- 1.Be6?
- 1...Rxd7
- 2.Bxd7#
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...f2!
- 1...Rxd7
- 1.Ra2+?
- 1...Kb3
- 2.Be6#
- 1...Kb5!
- 1...Kb3
- 1.Rb6?
- 1...Rxd7
- 2.Bxd7#
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...f2!
- 1...Rxd7
- 1.Rdxb7?
- threat
- 2.Ra2#
- 2.Ra7#
- 1...Rd6
- 2.Ra2#
- 1...Rd7
- 2.Bxd7#
- 2.Ra2#
- 1...Bxb7!
- threat
- 1.Rxd8?
- threat
- 2.Bd7#
- 2.Rd4#
- 1...Sxc5
- 2.Sxc5#
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Rxa8#
- 1...Sxd8!
- threat
- 1.Sf2?
- Keys
- 1.Kxd2!
- 1...Rxd7+
- 2.Bxd7#
- 1...Sxc5
- 2.Sxc5#
- 1...Rb8
- 2.Rd4#
- 1...Rc8
- 2.Rd4#
- 1...Re8
- 2.Rd4#
- 1...Rf8
- 2.Rd4#
- 1...Rg8
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Sa5
- 2.Rb4#
- 1...Sd6
- 2.Ra7#
- 1...f2
- 2.Bd1#
- 1...Rxd7+
- 1.Kxd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(f);OGATE,XR(H)::B(F),XR(f)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);XP(G)::S(E),XS(d)
- S(d);OGATE::R(H)
- Tries
- Try
- S(E);
- Vars
- R(f);OGATE,XR(H)::B(F),XR(f)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::R(H)
- Refutation
- S(d);XP(G)
- Try
- B(D);XP(a)
- Vars
- R(f);OGATE,P_PINB(D),XR(H)::B(F),XR(f)
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD::R(H)
- S(d);OGATE::R(H)
- Refutation
- P(b);
- Try
- B(F);XP(b)
- Vars
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::R(H)
- Refutation
- R(f);XR(H)
- Try
- B(F);
- Vars
- R(f);OGATE,XR(H)::B(F),XR(f)
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::R(H)
- Refutation
- P(b);
- Try
- B(F);
- Vars
- R(f);OGATE,XR(H)::B(F),XR(f)
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::R(H)
- Refutation
- P(b);
- Try
- B(F);
- Vars
- R(f);OGATE,XR(H)::B(F),XR(f)
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::R(H)
- Refutation
- P(b);
- Try
- R(C);CHECK
- Vars
- K(c);S_FLIGHT::B(F)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- R(f);OGATE,XR(H)::B(F),XR(f)
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD::R(H)
- S(d);SBLOCK::R1(C)
- S(d);OGATE::R(H)
- Refutation
- P(b);
- Try
- R(H);XS(d)
- Threat
- DUALS(2)
- Vars
- R(f);::R(C)
- Refutation
- B(e);XR(H)
- Try
- R(H);XR(f)
- Threat
- DUALS(2)
- Vars
- S(d);SBLOCK::R1(C)
- S(d);N_GUARD::R(H),XB(e)
- Refutation
- S(d);XR(H)
- Try
- Actual
- K(B);P-FLIGHT,P_SPINR(H),XP(a)
- Vars
- R(f);CHECK,OGATE,XR(H)::B(F),XR(f)
- S(d);XP(G)::S(E),XS(d)
- R(f);N_GUARD,N_PINR(H)::R(H)
- S(d);SBLOCK::R1(C)
- S(d);N_PINR(H)::R(H)
- P(b);OGATE::B(F)
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).