MESON Chess Problem Database
Problem Display
PID: 63801 (4r3/1R3N2/5nBp/3P1P2/1P2k3/p5PN/K1nR2P1/6B1 w - - 0 1)
Williams, Philip Hamilton
Source?, 0000
#2
12 + 6
| 16 | Chess Amateur (The) | 1909 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Se3
- 2.Sf2#
- 1...Sxb4+
- 2.Rxb4#
- 1...Sd4
- 2.Rxd4#
- 1...Sg4
- 2.f6#
- 1...Sxd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Re5
- Tries
- 1.Kb1?
- 1...Sxb4
- 2.Rd4#
- 2.Rxb4#
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Se3
- 2.Sf2#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...a2+!
- 1...Sxb4
- 1.Bf2?
- 1...Sxb4+
- 2.Rxb4#
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Se3!
- 1...Sxb4+
- 1.Bc5?
- threat
- 2.Sf2#
- 1...Sxb4+
- 2.Rxb4#
- 1...Sg4
- 2.f6#
- 1...Sd4!
- threat
- 1.Ba7?
- threat
- 2.Sf2#
- 1...Sxb4+
- 2.Rxb4#
- 1...Sg4
- 2.f6#
- 1...Sd4!
- threat
- 1.Rb6?
- 1...Sxb4+
- 2.Rxb4#
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Se3
- 2.Sf2#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.Rxe6#
- 2.fxe6#
- 1...Ra8
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Rf8
- 2.Re6#
- 1...Rg8
- 2.Re6#
- 1...Rh8
- 2.Re6#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Re7!
- 1...Sxb4+
- 1.Ra7?
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Se3
- 2.Sf2#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Sxb4+!
- 1...Sxd5
- 1.Rc7?
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Se3
- 2.Sf2#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 2.Rc4#
- 1...Se1
- 2.Rd4#
- 2.Rc4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Sxb4+!
- 1...Sxd5
- 1.Rd7?
- 1...Sxd5
- 2.f6#
- 1...Sxd7
- 2.f6#
- 1...Se3
- 2.Sf2#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Sxb4+!
- 1...Sxd5
- 1.b5?
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Se3
- 2.Sf2#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Sb4+!
- 1...Sxd5
- 1.d6?
- 1...Sxb4+
- 2.Rxb4#
- 1...Sd4
- 2.Rxd4#
- 1...Se3
- 2.Sf2#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg4
- 2.f6#
- 1...Sd5
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Re5!
- 1...Sxb4+
- 1.Kb1?
- Keys
- 1.Rd1!
- 1...Sxb4+
- 2.Rxb4#
- 1...Sxd5
- 2.f6#
- 1...Sd4
- 2.Rxd4#
- 1...Se3
- 2.Sf2#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.fxe6#
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg4
- 2.f6#
- 1...Sh5
- 2.f6#
- 1...Sd7
- 2.f6#
- 1...Sh7
- 2.f6#
- 1...Sg8
- 2.f6#
- 1...h5
- 2.Shg5#
- 1...Sxb4+
- 1.Rd1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(a);SBLOCK::S(F)
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(a);N_GUARD::R1(C),XS(a)
- S(d);OGATE::B(J)+P(I)
- S(d);OGATE,XP(H)::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(a);SBLOCK::S(F)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- P(b);CHECK
- Try
- B(A);
- Vars
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- S(a);
- Try
- B(A);
- Threat
- S(F)
- Vars
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(d);OGATE::B(J)+P(I)
- Refutation
- S(a);
- Try
- B(A);
- Threat
- S(F)
- Vars
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(d);OGATE::B(J)+P(I)
- Refutation
- S(a);
- Try
- R(K);
- Vars
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);SBLOCK::S(F)
- R(f);SBLOCK::S(L)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- R(f);
- Try
- R(K);
- Vars
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);SBLOCK::S(F)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- S(a);CHECK,XP(G)
- Try
- R(K);
- Vars
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);SBLOCK::S(F)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- S(a);CHECK,XP(G)
- Try
- R(K);
- Vars
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(d);OGATE,XR(K)::B(J)+P(I)
- S(a);SBLOCK::S(F)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- S(a);CHECK,XP(G)
- Try
- P(G);
- Vars
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);SBLOCK::S(F)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- S(a);CHECK
- Try
- P(H);
- Vars
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);SBLOCK::S(F)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(F)
- Refutation
- R(f);
- Try
- Actual
- R(C);
- Vars
- S(a);CHECK,OGATE,XP(G)::R(K),XS(a)
- S(d);OGATE,XP(H)::B(J)+P(I)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);SBLOCK::S(F)
- R(f);SBLOCK::S(L)
- R(f);OGATE::B(J)+P(I),XR(f)
- R(f);N_GUARD::R(K),XR(f)
- R(f);N_GUARD::R(K)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::B(J)+P(I)
- P(e);N_GUARD::S(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).