Problem Display
PID: 144776 (B4R2/1r6/3pN1K1/r7/2P1k3/5R1P/4Npb1/8 w - - 0 1)

Clarke, Thomas Denton

Australasian (The), 1884

B4R2/1r6/3pN1K1/r7/2P1k3/5R1P/4Npb1/8

#2

8 + 6


14868 Pirnie Collection 2012

SOLUTION


  • SOUND
  • Sets
    • 1...Re5
      • 2.Sc3#
      • 2.Sg3#
      • 2.R8f4#
  • Tries
    • 1.Sg5+?
      • 1...Ke5
        • 2.R3f5#
        • 2.R8f5#
      • 1...Rxg5+!
  • Keys
    • 1.Re8!
      • threat
        • 2.Sg5#
      • 1...Rg5+
        • 2.Sxg5#
      • 1...Kxf3
        • 2.S6d4#
      • 1...Ke5
        • 2.Sc7#
      • 1...Bxf3
        • 2.Sc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • R(d);CHECK,XS(E)
  • Actual
    • R(H);
    • Threat
      • R(H)+S(E),DCHECK
    • Vars
      • R(d);CHECK::R(H)+S(E),DCHECK,XR(d)
      • K(c);S_FLIGHT,XR(B)::S(E)
      • K(c);N_SPINR(f),P-FLIGHT::R(H)+S(E)
      • B(b);SBLOCK,XR(B)::R(H)+S(E),DCHECK


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).