Problem Display
PID: 16388 (8/K7/4N3/Nk6/4P3/3n4/Q7/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

8/K7/4N3/Nk6/4P3/3n4/Q7/8

#2

5 + 2


5454 Near Snap 2008

SOLUTION


  • SOUND
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qa6#
      • 1...Kxc6
        • 2.Qd5#
      • 1...Sb4
        • 2.Scd4#
      • 1...Sc5
        • 2.Sed4#

Anticipated by 11380(1938)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT,XS(C)::QAB1(A)
      • S(a);SBLOCK::S(C)
      • S(a);SBLOCK::S(D)


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).