Problem Display
PID: 16386 (BK6/8/2r1P3/3k4/N1p5/2P2P2/7B/4R3 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

Fifty Two-Move Problems, 1940

BK6/8/2r1P3/3k4/N1p5/2P2P2/7B/4R3

#2

8 + 3


5454 Near Snap 2008

SOLUTION


  • SOUND
  • Keys
    • 1.Kb7!
      • 1...Rb6+
        • 2.Kxb6#
      • 1...Rc7+
        • 2.Kxc7#
      • 1...Rxe6
        • 2.Rd1#
      • 1...Rc5
        • 2.Sb6#
      • 1...Ra6
        • 2.Kxa6#
      • 1...Rd6
        • 2.Re5#
      • 1...Rc8
        • 2.Kxc8#

Anticipated by 21608(1920)

This anticipates 51372(1958)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(H);N_PINR(c),P-FLIGHT
    • Vars
      • R(c);CHECK::B(G)+K(H),XR(c)
      • R(c);SBLOCK,XP(F)::R(A)
      • R(c);N_GUARD,SBLOCK::S(E)
      • R(c);::B(G)+K(H),XR(c)
      • R(c);SBLOCK::R1(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).