MESON Chess Problem Database

Problem Display
PID: 67497 (8/6n1/p1K4Q/k2P4/pp1p4/p7/8/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1948

8/6n1/p1K4Q/k2P4/pp1p4/p7/8/8

#2

3 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Qd2#
  • Tries
    • 1.Qd6?
      • threat
        • 2.Qc5#
        • 2.Qc7#
        • 2.Qd8#
      • 1...Se8
        • 2.Qc5#
      • 1...b3
        • 2.Qc5#
      • 1...Se6!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qd8#
      • 1...b3
        • 2.Qd2#
      • 1...Se6
        • 2.dxe6#
      • 1...Se8
        • 2.d6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::QAB(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(g);::QAR2(C)
        • P(c);::QAR2(C)
      • Refutation
        • S(g);
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • P(c);OGATEB::QAB(C)
      • S(g);OGATE::QAR(C)+P(A),XS(g)
      • S(g);N_GUARD::QAR(C)+P(A)
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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).