MESON Chess Problem Database
Problem Display
PID: 57731 (6n1/4nQ2/7b/5p2/3PNkB1/5Pp1/3K4/8 w - - 0 1)
Brill, Robert C
Chess Life, 1957
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Sd5
- 2.Qxf5#
- 1...Sc6
- 2.Qxf5#
- 1...Sg6
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Sd5
- Tries
- 1.Qe6?
- threat
- 2.Qe5#
- 2.Qd6#
- 1...fxe4
- 2.Qe5#
- 1...fxg4
- 2.Qxg4#
- 1...Sc6
- 2.Qxf5#
- 1...Sg6
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 2.Qe5#
- 1...Bg7!
- threat
- 1.Qf6?
- threat
- 2.Qe5#
- 2.Qd6#
- 1...Bg7
- 2.Qg5#
- 1...Sc6
- 2.Qxf5#
- 1...Sg6
- 2.Qxf5#
- 1...Sc8
- 2.Qe5#
- 2.Qxf5#
- 1...Sxf6!
- threat
- 1.Qe6?
- Keys
- 1.Qh5!
- 1...fxe4
- 2.Qe5#
- 1...fxg4
- 2.Qxg4#
- 1...Bg5
- 2.Qxg5#
- 1...Bg7
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...Sd5
- 2.Qxf5#
- 1...Sc6
- 2.Qxf5#
- 1...Sg6
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Sf6
- 2.Qxh6#
- 1...g2
- 2.Qh2#
- 1...fxe4
- 1.Qh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::QAR1(F),XP(c)
- Tries
- Try
- Q(F);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- P(c);XS(D)::QAB1(F)
- P(c);OGATE,XB(E)::QAR1(F),XP(c)
- S(e);N_GUARD::QAR1(F),XP(c)
- Refutation
- B(d);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(d);N_GUARD::QAB1(F)
- S(e);N_GUARD::QAR1(F),XP(c)
- Refutation
- S(f);N_SPINP(c),XQ(F)
- Try
- Actual
- Q(F);N_PINP(c)
- Vars
- P(c);OGATE,XS(D)::QAB1(F)
- P(c);OGATE,XB(E)::QAR1(F),XP(c)
- B(d);N_GUARD::QAB1(F),XB(d)
- B(d);N_GUARD::QAB1(F)
- S(e);N_GUARD::QAR1(F),XP(c)
- S(f);N_GUARD::QAB(F),XB(d)
- P(a);OGATEB::QAB(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).