MESON Chess Problem Database
Problem Display
PID: 109663 (1R6/3N4/2p2pp1/p2pPPPP/3k2KR/2NP2B1/3PB3/6nn w - - 0 1)
Wainwright, Joseph CJ
Checkmate, 1901
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...Sf2+
- 2.Bxf2#
- 1...Sxg3
- 2.Kxg3#
- 1...a4
- 2.Rb4#
- 1...c5
- 2.Sb5#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sf3
- Tries
- 1.Bf1?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rb4#
- 1...Se2!
- 1...Sf2+
- 1.Rb1?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rb4#
- 1...Sxe2!
- 1...Sf2+
- 1.Rb2?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rb4#
- 1...Sxe2!
- 1...Sf2+
- 1.Rb6?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rb4#
- 1...Sxe2!
- 1...Sf2+
- 1.Rb7?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rb4#
- 1...Sxe2!
- 1...Sf2+
- 1.Ra8?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rxa4#
- 1...Sxe2!
- 1...Sf2+
- 1.exf6?
- threat
- 2.Be5#
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...Sf3
- 2.Kxf3#
- 1...Sxe2!
- threat
- 1.e6?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxg5
- 2.Kxg5#
- 2.Be5#
- 1...a4
- 2.Rb4#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...c5
- 2.Sb5#
- 1...Sxe2!
- 1...Sf2+
- 1.fxg6?
- threat
- 2.Kf5#
- 1...Sf2+
- 2.Bxf2#
- 1...f5+
- 2.Kxf5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...Sxe2!
- threat
- 1.gxf6?
- threat
- 2.Kg5#
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...Sxg3
- 2.Kxg3#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...g5
- 2.Kxg5#
- 1...Sxe2!
- threat
- 1.hxg6?
- threat
- 2.Kh5#
- 1...Sf2+
- 2.Bxf2#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...Sxe2!
- threat
- 1.h6?
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...a4
- 2.Rb4#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...c5
- 2.Sb5#
- 1...Sxe2!
- 1...Sf2+
- 1.Bf1?
- Keys
- 1.Rb3!
- 1...Sf2+
- 2.Bxf2#
- 1...gxf5+
- 2.Kxf5#
- 1...gxh5+
- 2.Kxh5#
- 1...Sxe2
- 2.Sxe2#
- 1...Sxg3
- 2.Kxg3#
- 1...fxe5
- 2.Bxe5#
- 1...fxg5
- 2.Kxg5#
- 1...c5
- 2.Sb5#
- 1...Sf3
- 2.Kxf3#
- 1...Sh3
- 2.Kxh3#
- 1...a4
- 2.Rb4#
- 1...Sf2+
- 1.Rb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);::R(G)+K(F),XS(a)
- S(b);CHECK,N_GUARD::B(E),XS(b)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(d);N_GUARD::R(M)
- P(f);N_GUARD::S(C)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- Tries
- Try
- B(B);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);N_GUARD::R(M)
- Refutation
- S(a);
- Try
- R(M);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);N_GUARD::R(M)
- Refutation
- S(a);XB(B)
- Try
- R(M);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);N_GUARD::R(M)
- Refutation
- S(a);XB(B)
- Try
- R(M);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);N_GUARD::R(M)
- Refutation
- S(a);XB(B)
- Try
- R(M);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);N_GUARD::R(M)
- Refutation
- S(a);XB(B)
- Try
- R(M);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);OGATE::R(M),XP(d)
- Refutation
- S(a);XB(B)
- Try
- P(H);XP(g)
- Threat
- B(E)
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- S(a);::R(G)+K(F),XS(a)
- Refutation
- S(a);XB(B)
- Try
- P(H);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(d);N_GUARD::R(M)
- S(a);::R(G)+K(F),XS(a)
- P(f);N_GUARD::S(C)
- Refutation
- S(a);XB(B)
- Try
- P(I);XP(h)
- Threat
- R(G)+K(F)
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(g);CHECK::R(G)+K(F),XP(g)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- S(a);::R(G)+K(F),XS(a)
- Refutation
- S(a);XB(B)
- Try
- P(J);XP(g)
- Threat
- R(G)+K(F)
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- S(a);::R(G)+K(F),XS(a)
- P(h);::R(G)+K(F),XP(h)
- Refutation
- S(a);XB(B)
- Try
- P(K);XP(h)
- Threat
- R(G)+K(F)
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- S(a);::R(G)+K(F),XS(a)
- Refutation
- S(a);XB(B)
- Try
- P(K);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(d);N_GUARD::R(M)
- S(a);::R(G)+K(F),XS(a)
- P(f);N_GUARD::S(C)
- Refutation
- S(a);XB(B)
- Try
- Actual
- R(M);
- Vars
- S(b);CHECK,N_GUARD::B(E),XS(b)
- P(h);CHECK,XP(I)::R(G)+K(F),XP(h)
- P(h);CHECK,XP(K)::R(G)+K(F),XP(h)
- S(a);XB(B)::S(C),XS(a)
- S(b);XB(E)::R(G)+K(F),XS(b)
- P(g);OGATE,XP(H)::B(E),XP(g)
- P(g);XP(J)::R(G)+K(F),XP(g)
- P(f);N_GUARD::S(C)
- S(a);::R(G)+K(F),XS(a)
- P(d);N_GUARD::R(M)
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).