Problem Display
PID: 67495 (1b6/8/2Q1Npn1/4krr1/8/2K2pp1/8/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1948

1b6/8/2Q1Npn1/4krr1/8/2K2pp1/8/8

#2

3 + 8


SOLUTION


  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kxe6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sd3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Rf4
        • 2.Qe6#
      • 1...Bd6
        • 2.Qe4#
      • 1...Sf4
        • 2.Sd7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(c);S_FLIGHT::QAR1(B)
      • R(d);SBLOCK::QAR1(B)
      • B(h);SBLOCK::QAR1(B)
      • S(g);SBLOCK::S(C)


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).