Problem Display
PID: 213509 (6k1/6p1/4N1N1/6K1/8/8/8/1B6 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Land og Folk, 1977

6k1/6p1/4N1N1/6K1/8/8/8/1B6

#2

4 + 2


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sc7?
      • 1...Kf7
        • 2.Ba2#
      • 1...Kh7!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Sef8#
      • 1...Kf7
        • 2.Sc7#
      • 1...Kh7
        • 2.Sef8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • B(A)+S(C)
    • Vars
      • K(b);S_FLIGHT::B(A)+S(C)
      • K(b);S_FLIGHT::S(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).