MESON Chess Problem Database
Problem Display
PID: 186622 (4B3/1N5n/3BkpN1/2pnp3/1bP3P1/3K4/4Qp2/8 w - - 0 1)
Stanley, Cyril (Kipping, Cyril Stanley)
Chess, 1959
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Sf4#
- 1...Sf4+
- 2.Sxf4#
- 1...Sb6
- 2.Sf4#
- 1...Sc7
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sg5
- 2.Sf8#
- 1...Sf8
- 2.Sxf8#
- 1...e4+
- 2.Qxe4#
- 1...f5
- 2.Qxe5#
- 1...Sc3
- Tries
- 1.Be7?
- threat
- 2.Sd8#
- 1...e4+
- 2.Qxe4#
- 1...Sxe7
- 2.Sf4#
- 1...Ba5
- 2.Sxc5#
- 1...Sf4+!
- threat
- 1.Bf8?
- threat
- 2.Sd8#
- 1...Sf4+
- 2.Sxf4#
- 1...e4+
- 2.Qxe4#
- 1...f5
- 2.Qxe5#
- 1...Ba5
- 2.Sxc5#
- 1...Se7
- 2.Sf4#
- 1...Sxf8!
- threat
- 1.Be7?
- Keys
- 1.Bxe5!
- threat
- 2.Sd8#
- 1...Sf4+
- 2.Bxf4#
- 1...fxe5
- 2.Qxe5#
- 1...Ba5
- 2.Sxc5#
- threat
- 1.Bxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- S(d);N_GUARD::S(F)
- S(d);CHECK,N_GUARD::S(F),XS(d)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(e);CHECK,OGATEB::QAR2(A),XP(e)
- P(g);N_GUARD::QAR1(A),XP(e)
- Tries
- Try
- B(E);
- Threat
- S(G)
- Vars
- P(e);CHECK,OGATEB::QAR2(A),XP(e)
- S(d);N_GUARD,SBLOCK,XB(E)::S(F)
- B(b);N_GUARD::S(G),XP(c)
- Refutation
- S(d);CHECK
- Try
- B(E);
- Threat
- S(G)
- Vars
- S(d);CHECK,N_GUARD::S(F),XS(d)
- P(e);CHECK,OGATEB::QAR2(A),XP(e)
- P(g);N_GUARD::QAR1(A),XP(e)
- B(b);N_GUARD::S(G),XP(c)
- S(d);N_GUARD::S(F)
- Refutation
- S(h);XB(E)
- Try
- Actual
- B(E);XP(e)
- Threat
- S(G)
- Vars
- S(d);CHECK,N_GUARD::QAR(A)+B(E),XS(d)
- P(g);OGATE,P_SPINP(g),XB(E)::QAR1(A),XP(g)
- B(b);N_GUARD::S(G),XP(c)
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).