MESON Chess Problem Database

Problem Display
PID: 145135 (b7/2Q4B/5p2/4pN2/4k1p1/3p2P1/3p3P/3K4 w - - 0 1)

Decker, Adolfph L

Literary Digest, 1902

b7/2Q4B/5p2/4pN2/4k1p1/3p2P1/3p3P/3K4

#2

6 + 7

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qxc6#
    • 1...Bb7
      • 2.Qxb7#
  • Tries
    • 1.Qc5?
      • 1...Kf3
        • 2.Sh4#
      • 1...Bd5
        • 2.Qe3#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bb7!
  • Keys
    • 1.Qb6!
      • 1...Kf3
        • 2.Sh4#
      • 1...Kd5
        • 2.Se3#
      • 1...Bd5
        • 2.Qe3#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bb7
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(g);N_GUARD::QAB(E),XB(g)
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(c);S_FLIGHT::S(D)
        • B(g);SBLOCK::QAR1(E)
        • B(g);N_GUARD::QAB(E),XB(g)
      • Refutation
        • B(g);
  • Actual
    • Q(E);
    • Vars
      • K(c);S_FLIGHT::S(D)
      • B(g);SBLOCK::QAR1(E)
      • B(g);N_GUARD::QAB(E),XB(g)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).