Problem Display
PID: 140180 (8/8/K7/8/2R2p2/5p2/3Nkp1b/2Q2b1R w - - 0 1)

Hoek, Willem

van Wageningen, R

Probleemblad, 1975

8/8/K7/8/2R2p2/5p2/3Nkp1b/2Q2b1R

#2

5 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Sxf1?
      • threat
        • 2.Qd2#
      • 1...Kd3
        • 2.Qc2#
      • 1...Bg1!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Re4#
      • 1...Ke1
        • 2.Sxf3#
      • 1...Ke3
        • 2.Sxf1#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);XB(a)
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • B(d);
  • Actual
    • Q(A);
    • Threat
      • R(D)
    • Vars
      • K(b);P-FLIGHT,P_PINR(D),P_SPINB(a)::S(C),XP(e)
      • K(b);P-FLIGHT,P_PINR(D)::S(C),XB(a)


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).