Problem Display
PID: 214367 (8/2BNkp2/5N1P/8/4K3/8/8/8 w - - 0 1)

Seymour, Robert Hoe

Dubuque Chess Journal, 1877

8/2BNkp2/5N1P/8/4K3/8/8/8

#2

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sc5?
      • 1...Kf8
        • 2.Bd6#
      • 1...Kxf6!
  • Keys
    • 1.Sf8!
      • 1...Kxf6
        • 2.Bd8#
      • 1...Kxf8
        • 2.Bd6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT,XS(B)::B(D)
      • K(a);S_FLIGHT,XS(E)::B(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).