MESON Chess Problem Database

Problem Display
PID: 67509 (3K4/2rP1Pr1/3pkp2/3pbp2/3q1n2/8/8/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1948

3K4/2rP1Pr1/3pkp2/3pbp2/3q1n2/8/8/8

#2

3 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rg8+
      • 2.fxg8Q#
      • 2.fxg8B#
  • Keys
    • 1.Ke8!
      • threat
        • 2.d8S#
        • 2.f8S#
      • 1...Rc8+
        • 2.dxc8Q#
        • 2.dxc8B#
      • 1...Rg8+
        • 2.fxg8Q#
        • 2.fxg8B#
      • 1...Rxd7
        • 2.f8S#
      • 1...Rxf7
        • 2.d8S#
      • 1...Qa4
        • 2.f8S#
      • 1...Sg6
        • 2.d8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(j);CHECK,OGATE::PXR(j)=Q
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • R(i);CHECK,OGATE::PXR(i)=Q
      • R(j);CHECK,OGATE::PXR(j)=Q
      • R(i);XP(A)::P=S
      • R(j);XP(B)::P=S
      • Q(a);P_PINP(A)::P=S
      • S(b);::P=S
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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).