MESON Chess Problem Database

Problem Display
PID: 63816 (8/8/5Q1K/6R1/7k/3n3r/8/2b5 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1946

8/8/5Q1K/6R1/7k/3n3r/8/2b5

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Rg1#
      • 2.Rg2#
      • 2.Rg6#
      • 2.Rg7#
      • 2.Rg8#
    • 1...Bxg5+
      • 2.Qxg5#
    • 1...Sf4
      • 2.Rg1#
      • 2.Rg2#
      • 2.Rg6#
      • 2.Rg7#
      • 2.Rg8#
  • Tries
    • 1.Qf2+?
      • 1...Rg3
        • 2.Qxg3#
      • 1...Sxf2!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qh5#
      • 1...Bxg5+
        • 2.Qxg5#
      • 1...Sf4
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,OGATE,P_SPINB(a),XR(A)::QAB1(B),XB(a)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(B),XR(c)
      • Refutation
        • S(b);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • B(a);CHECK,OGATE,XR(A)::QAB1(B),XB(a)
      • S(b);N_PINR(A)::R1(A)
HTML5 logo

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).