Problem Display
PID: 150197 (8/8/N4pB1/4k3/3p4/1Q4PK/4P3/8 w - - 0 1)

Winter-Wood, Edward John

Illustrated London News, 1909

(First published on Sat Apr 24 1909)

8/8/N4pB1/4k3/3p4/1Q4PK/4P3/8

#2

6 + 3


15254 EJWW Scrapbook 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Sc7?
      • threat
        • 2.Qd5#
        • 2.Qe6#
      • 1...d3
        • 2.Qd5#
      • 1...f5
        • 2.Qe6#
      • 1...Kd6!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Qd5#
        • 2.Qe6#
      • 1...Ke4
        • 2.Qe6#
      • 1...Kf5
        • 2.Qd5#
      • 1...Kd6
        • 2.Qe6#
      • 1...d3
        • 2.Qd5#
      • 1...f5
        • 2.Qe6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR1(B)
        • P(c);::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAR2(B)
      • K(b);S_FLIGHT::QAR1(B)
      • P(a);::QAR1(B)
      • P(c);::QAR1(B)


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).