Problem Display
PID: 239203 (1bb5/8/kPQ5/8/8/2K5/1P6/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problemist Pribuzhya, 1992

1bb5/8/kPQ5/8/8/2K5/1P6/8

#2

4 + 3


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Keys
    • 1.b7+!
      • 1...Ka5
        • 2.b4#
      • 1...Ka7
        • 2.bxc8S#

FEATURES


  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(C);CHECK
    • Vars
      • K(a);P-FLIGHT::P(A)
      • K(a);P-FLIGHT::PXB(c)=S


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).