Problem Display
PID: 234700 (1b6/3N4/3BR3/4p3/k1K5/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2012

1b6/3N4/3BR3/4p3/k1K5/8/8/8

#2

4 + 3


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bb4!
      • threat
        • 2.Sc5#
        • 2.Sb6#
        • 2.Ra6#
      • 1...Bd6
        • 2.Sb6#
      • 1...Ba7
        • 2.Ra6#
      • 1...Bc7
        • 2.Sc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(B);
    • Threat
      • DUALS(3)
    • Vars
      • B(c);::S(D)
      • B(c);::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).