Problem Display
PID: 95000 (8/8/8/5p2/6N1/3N4/7R/4K1kn w - - 0 1)

Daishkovsky, Aleksandr

Krizhanivsky, Vasil Viktorovich

Cherkasskaya Pravda, 1990

8/8/8/5p2/6N1/3N4/7R/4K1kn

#2

4 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sf4!
      • threat
        • 2.Se2#
        • 2.Sh3#
        • 2.Rg2#
      • 1...fxg4
        • 2.Rg2#
      • 1...Sf2
        • 2.Se2#
      • 1...Sg3
        • 2.Sh3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • P(c);XS(D)::R1(B)
      • S(b);::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).