MESON Chess Problem Database
Problem Display
PID: 132413 (3B2Bn/6p1/3QP1kp/5pPr/6Pp/1p5n/1P2Nb2/3K1R2 w - - 0 1)
Goulty, Allison Howard
The Field, 1957
(First published on Thu Feb 7 1957)
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxg5
- 2.e7#
- 1...Be1
- 2.gxf5#
- 1...Bg1
- 2.gxf5#
- 1...Be3
- 2.gxf5#
- 1...Bg3
- 2.gxf5#
- 1...Bd4
- 2.gxf5#
- 1...Bc5
- 2.gxf5#
- 1...Bb6
- 2.gxf5#
- 1...Ba7
- 2.gxf5#
- 1...Sg1
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sxg5
- 2.Sf4#
- 1...Sf7
- 2.exf7#
- 1...fxg4
- 2.Qd3#
- 1...f4
- 2.Qd3#
- 1...hxg5
- 2.e7#
- 1...Rxg5
- Tries
- 1.Kc1?
- 1...Rxg5
- 2.e7#
- 1...Sxg5
- 2.Sf4#
- 1...fxg4
- 2.Qd3#
- 1...hxg5
- 2.e7#
- 1...Be1
- 2.gxf5#
- 1...Bg1
- 2.gxf5#
- 1...Bg3
- 2.gxf5#
- 1...Bd4
- 2.gxf5#
- 1...Bc5
- 2.gxf5#
- 1...Bb6
- 2.gxf5#
- 1...Ba7
- 2.gxf5#
- 1...Sg1
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sf7
- 2.exf7#
- 1...f4
- 2.Qd3#
- 1...Be3+!
- 1...Rxg5
- 1.Sg3?
- threat
- 2.gxf5#
- 2.gxh5#
- 1...Rxg5
- 2.e7#
- 1...Bxg3
- 2.gxf5#
- 1...fxg4
- 2.Qd3#
- 1...hxg5
- 2.e7#
- 1...Sf4
- 2.gxf5#
- 1...f4
- 2.Qd3#
- 2.gxh5#
- 1...hxg3!
- threat
- 1.Rxf2?
- threat
- 2.gxf5#
- 1...Rxg5
- 2.e7#
- 1...fxg4
- 2.Qd3#
- 1...hxg5
- 2.e7#
- 1...Sf4
- 2.Sxf4#
- 1...f4
- 2.Qd3#
- 1...Sxf2+!
- threat
- 1.Kc1?
- Keys
- 1.Qc6!
- 1...Rxg5
- 2.e7#
- 1...Sxg5
- 2.Sf4#
- 1...fxg4
- 2.Qe4#
- 1...hxg5
- 2.e7#
- 1...Sg1
- 2.Sf4#
- 1...Be1
- 2.gxf5#
- 1...Bg1
- 2.gxf5#
- 1...Be3
- 2.gxf5#
- 1...Bg3
- 2.gxf5#
- 1...Bd4
- 2.gxf5#
- 1...Bc5
- 2.gxf5#
- 1...Bb6
- 2.gxf5#
- 1...Ba7
- 2.gxf5#
- 1...Sf4
- 2.Sxf4#
- 1...Sf7
- 2.exf7#
- 1...f4
- 2.Qe4#
- 1...Rxg5
- 1.Qc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);SBLOCK,XP(F)::QAR(G)+P(H)
- B(a);::P(E),XP(e)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD,XP(F)::S(D)
- S(j);OGATE::QAR(G)+P(H),XS(j)
- P(e);OGATEB,XP(E)::QAB(G)
- P(e);OGATEB::QAB(G)
- P(h);SBLOCK,XP(F)::QAR(G)+P(H)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(f);SBLOCK,XP(F)::QAR(G)+P(H)
- S(c);N_GUARD,XP(F)::S(D)
- P(e);OGATEB,XP(E)::QAB(G)
- P(h);SBLOCK,XP(F)::QAR(G)+P(H)
- B(a);::P(E),XP(e)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(j);OGATE::QAR(G)+P(H),XS(j)
- P(e);OGATEB::QAB(G)
- Refutation
- B(a);CHECK
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(f);SBLOCK,XP(F)::QAR(G)+P(H)
- B(a);XS(D)::P(E),XP(e)
- P(e);OGATEB,XP(E)::QAB(G)
- P(h);SBLOCK,XP(F)::QAR(G)+P(H)
- S(c);::P(E),XP(e)
- Refutation
- P(d);XS(D)
- Try
- R(B);XB(a)
- Threat
- P(E),XP(e)
- Vars
- R(f);SBLOCK,XP(F)::QAR(G)+P(H)
- P(e);OGATEB,XP(E)::QAB(G)
- P(h);SBLOCK,XP(F)::QAR(G)+P(H)
- S(c);N_GUARD::S(D),XS(c)
- P(e);OGATEB::QAB(G)
- Refutation
- S(c);CHECK,XR(B)
- Try
- Actual
- Q(G);
- Vars
- R(f);SBLOCK,XP(F)::QAR(G)+P(H)
- S(c);N_GUARD,XP(F)::S(D)
- P(e);OGATEB,XP(E)::QAB(G)
- P(h);SBLOCK,XP(F)::QAR(G)+P(H)
- S(c);N_GUARD::S(D)
- B(a);::P(E),XP(e)
- S(c);N_GUARD::S(D),XS(c)
- S(j);OGATE::QAR(G)+P(H),XS(j)
- P(e);OGATEB::QAB(G)
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).