Problem Display
PID: 247686 (8/8/8/8/4k2N/8/7B/3RK2R w K - 0 1)

Bakke, Nils Adrian

The Problemist, 1990

8/8/8/8/4k2N/8/7B/3RK2R

#2

5 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Rd4+?
      • 1...Ke3
        • 2.Bg1#
      • 1...Kxd4!
  • Keys
    • 1.0-0!
      • 1...Ke3
        • 2.Rfe1#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);P-FLIGHT::B(D)
      • Refutation
        • K(a);P-FLIGHT,XR(A)
  • Actual
    • K(B);0-0
    • Vars
      • K(a);P-FLIGHT::R(C)


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).