Problem Display
PID: 16396 (3R2b1/8/4k1P1/5p2/5K1Q/8/8/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

3R2b1/8/4k1P1/5p2/5K1Q/8/8/8

#2

4 + 3


5454 Near Snap 2015

SOLUTION


  • SOUND
  • Keys
    • 1.Kg5!
      • threat
        • 2.Qe1#
      • 1...Ke5
        • 2.Qe1#
      • 1...Ke7
        • 2.Kxf5#

This anticipates 76890(1947), 187270(1996-1997)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR(B)
    • Vars
      • K(b);P-FLIGHT::QAR(B)
      • K(b);P-FLIGHT::QAB(B)+K(A),XP(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).