MESON Chess Problem Database

Problem Display
PID: 246589 (2Qbn1n1/4p2K/3pNkBp/3pr2p/7P/8/8/B7 w - - 0 1)

Bouchez, Laurent

The Problemist, 1989

2Qbn1n1/4p2K/3pNkBp/3pr2p/7P/8/8/B7

#2

6 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sxd5#
        • 2.Sxh5#
        • 2.Qf5#
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Sc7
        • 2.Sxh5#
        • 2.Qf5#
      • 1...Sg7
        • 2.Sxd5#
      • 1...d4!
    • 1.Sg7?
      • threat
        • 2.Sxh5#
        • 2.Sxe8#
        • 2.Qf5#
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Sc7
        • 2.Sxh5#
        • 2.Qf5#
      • 1...d4
        • 2.Sxe8#
      • 1...Sxg7!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sxd5#
        • 2.Sxe8#
        • 2.Qf5#
        • 2.Qe6#
      • 1...Bxc7
        • 2.Qf5#
      • 1...Sxc7
        • 2.Qf5#
      • 1...e6
        • 2.Qxe6#
      • 1...Sg7
        • 2.Sxd5#
      • 1...d4
        • 2.Sxe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(4)
      • Vars
        • P(g);::QAR1(F),XP(g)
        • S(i);::S(C),XP(a)
      • Refutation
        • P(a);N_SPINR(b)
    • Try
      • S(C);
      • Threat
        • DUALS(4)
      • Vars
        • P(g);::QAR1(F),XP(g)
        • P(a);N_SPINR(b)::S(C),XS(i)
      • Refutation
        • S(i);XS(C)
  • Actual
    • S(C);
    • Threat
      • DUALS(4)
    • Vars
      • B(h);XS(C)::QAR1(F)
      • S(i);XS(C)::QAR1(F)
      • P(g);::QAR1(F),XP(g)
      • S(i);::S(C),XP(a)
      • P(a);N_SPINR(b)::S(C),XS(i)
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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).