MESON Chess Problem Database
Problem Display
PID: 132579 (2Kb1R1r/1pp1kBBP/3pp1p1/Q3N1Pb/8/8/8/8 w - - 0 1)
Wright Wood, S (= Wood, SW)
The Field, 1957
(First published on Thu Aug 15 1957)
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxh7
- 2.Re8#
- 1...Rxf8
- 2.Bf6#
- 1...Rg8
- 2.hxg8S#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...c5
- 2.Qxd8#
- 1...c6
- 2.Qxd8#
- 1...Rxh7
- Tries
- 1.Sd7?
- threat
- 2.Bf6#
- 1...d5
- 2.Qc5#
- 1...Rxf8!
- threat
- 1.Bg8?
- 1...Rxg8
- 2.hxg8S#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...c5
- 2.Qxd8#
- 1...c6
- 2.Qxd8#
- 1...Rxh7!
- 1...Rxg8
- 1.Bh6?
- 1...Rxh7
- 2.Re8#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Bd1
- 2.Sxg6#
- 1...Rg8
- 2.hxg8S#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...c5
- 2.Qxd8#
- 1...c6
- 2.Qxd8#
- 1...Rxf8!
- 1...Rxh7
- 1.Bxh8?
- threat
- 2.Re8#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...Kxf8!
- threat
- 1.Rxd8?
- threat
- 2.Bf6#
- 2.Qxc7#
- 1...dxe5
- 2.Qxc7#
- 1...Re8
- 2.Rxe8#
- 2.Qxc7#
- 1...b6
- 2.Bf6#
- 1...c5
- 2.Bf6#
- 2.Qc7#
- 1...c6
- 2.Bf6#
- 2.Qc7#
- 1...Rxd8+!
- threat
- 1.Rg8?
- threat
- 2.Bf6#
- 2.Bf8#
- 1...Rxg8
- 2.hxg8S#
- 1...d5
- 2.Bf8#
- 2.Qc5#
- 1...dxe5!
- threat
- 1.Rxh8?
- threat
- 2.Bf6#
- 2.Bf8#
- 2.Re8#
- 1...d5
- 2.Bf8#
- 2.Qc5#
- 1...dxe5!
- threat
- 1.Qb6?
- 1...Rxh7
- 2.Re8#
- 1...Rxf8
- 2.Bf6#
- 1...dxe5
- 2.Qc5#
- 2.Qxe6#
- 1...c5
- 2.Qxd8#
- 1...Rg8
- 2.hxg8S#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...d5
- 2.Qc5#
- 2.Qxe6#
- 1...c6
- 2.Qxd8#
- 1...cxb6!
- 1...Rxh7
- 1.Qa2?
- threat
- 2.Qxe6#
- 1...Bg4
- 2.Sxg6#
- 1...d5!
- threat
- 1.Qa4?
- threat
- 2.Qd7#
- 2.Qe8#
- 1...Rxf8
- 2.Bf6#
- 2.Qd7#
- 1...dxe5
- 2.Qd7#
- 1...d5
- 2.Qd7#
- 1...b5
- 2.Sc6#
- 1...c6!
- threat
- 1.Qb5?
- threat
- 2.Qd7#
- 2.Qe8#
- 1...Rxf8
- 2.Bf6#
- 2.Qd7#
- 1...dxe5
- 2.Qd7#
- 2.Qc5#
- 1...d5
- 2.Qd7#
- 2.Qc5#
- 1...c6!
- threat
- 1.Qd5?
- threat
- 2.Qxe6#
- 1...Bg4
- 2.Sxg6#
- 1...exd5!
- threat
- 1.Sd7?
- Keys
- 1.Qa7!
- 1...Rxh7
- 2.Re8#
- 1...Rxf8
- 2.Bf6#
- 1...dxe5
- 2.Qc5#
- 1...d5
- 2.Qc5#
- 1...c6
- 2.Sxc6#
- 1...Rg8
- 2.hxg8S#
- 1...Bd1
- 2.Sxg6#
- 1...Be2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bg4
- 2.Sxg6#
- 1...b5
- 2.Sc6#
- 1...b6
- 2.Sc6#
- 1...c5
- 2.Sc6#
- 1...Rxh7
- 1.Qa7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD,XP(F)::R1(H)
- R(i);SBLOCK,XR(H)::B(E)
- R(i);OGATE::PXR(i)=S
- B(a);N_GUARD::S(B),XP(d)
- P(b);OGATEB,XS(B)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(e);N_GUARD::S(B)
- P(f);OGATE::QAB1(A),XB(h)
- Tries
- Try
- S(B);
- Threat
- B(E)
- Vars
- P(b);OGATEB::QAB(A)
- Refutation
- R(i);XR(H)
- Try
- B(D);
- Vars
- R(i);OGATE,XB(D)::PXR(i)=S
- P(b);OGATEB,XS(B)::QAB(A)
- P(b);OGATEB::QAB(A)
- B(a);N_GUARD::S(B),XP(d)
- P(e);N_GUARD::S(B)
- P(f);OGATE::QAB1(A),XB(h)
- Refutation
- R(i);XP(F)
- Try
- B(E);
- Vars
- R(i);N_GUARD,XP(F)::R1(H)
- P(b);OGATEB,XS(B)::QAB(A)
- P(b);OGATEB::QAB(A)
- B(a);N_GUARD::S(B),XP(d)
- R(i);OGATE::PXR(i)=S
- P(e);N_GUARD::S(B)
- P(f);OGATE::QAB1(A),XB(h)
- Refutation
- R(i);XR(H)
- Try
- B(E);XR(i)
- Threat
- R1(H)
- Vars
- P(b);OGATEB,XS(B)::QAB(A)
- P(b);OGATEB::QAB(A)
- Refutation
- K(g);S_FLIGHT,XR(H)
- Try
- R(H);P_SPINR(H),XB(h)
- Threat
- DUALS(2)
- Vars
- P(b);XS(B)::QAR2(A),XP(f)
- P(e);::B(E)
- Refutation
- R(i);CHECK,XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(i);OGATE,XR(H)::PXR(i)=S
- Refutation
- P(b);XS(B)
- Try
- R(H);XR(i)
- Threat
- DUALS(3)
- Refutation
- P(b);XS(B)
- Try
- Q(A);
- Vars
- R(i);N_GUARD,XP(F)::R1(H)
- R(i);SBLOCK,XR(H)::B(E)
- P(f);OGATE::QAB1(A),XB(h)
- R(i);OGATE::PXR(i)=S
- B(a);N_GUARD::S(B),XP(d)
- Refutation
- P(f);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XP(c)
- Vars
- B(a);N_GUARD::S(B),XP(d)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(b);XS(B)::QAR1(A)
- P(b);::QAR1(A)
- P(e);N_GUARD::S(B)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- Q(A);
- Threat
- QAR1(A),XP(c)
- Vars
- B(a);N_GUARD::S(B),XP(d)
- Refutation
- P(c);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- R(i);N_GUARD,XP(F)::R1(H)
- R(i);SBLOCK,XR(H)::B(E)
- P(b);OGATEB,XS(B)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(f);P_SPINP(e)::S(B),XP(f)
- R(i);OGATE::PXR(i)=S
- B(a);N_GUARD::S(B),XP(d)
- P(e);N_GUARD,P_SPINP(f)::S(B)
- P(f);P_SPINP(e)::S(B)
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).