Problem Display
PID: 56961 (8/4P3/6K1/1BBk4/8/3N4/8/8 w - - 0 1)

Loyd, Sam

Source?, 0000

8/4P3/6K1/1BBk4/8/3N4/8/8

#2

5 + 1


4331 Schachminiaturen II 1903
5454 Near Snap 2021

SOLUTION


  • SOUND
  • Tries
    • 1.e8S?
      • 1...Ke6
        • 2.Sc7#
      • 1...Ke4!
  • Keys
    • 1.e8B!
      • 1...Ke4
        • 2.Bec6#
      • 1...Ke6
        • 2.Bc4#
        • 2.Bf7#

This anticipates 243961(1984)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::B(E)


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).