Problem Display
PID: 234817 (1QR1R3/1B1N4/K2p4/3p4/3N4/1PPkPP2/3p1p2/3n4 w - - 0 1)

Dolginovich, Nikolai Osipovich

Hlas l'udu, 1976

1QR1R3/1B1N4/K2p4/3p4/3N4/1PPkPP2/3p1p2/3n4

#2

11 + 6


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Bxd5?
      • threat
        • 2.Qb5#
      • 1...Sxc3
        • 2.Bc4#
      • 1...Sxe3
        • 2.Be4#
      • 1...Sb2!
  • Keys
    • 1.Qxd6!
      • threat
        • 2.Qg6#
      • 1...Sxc3
        • 2.Sc5#
      • 1...Sxe3
        • 2.Se5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);XP(e)
      • Threat
        • QAB(I)
      • Vars
        • S(a);SBLOCK,XP(B)::B(G)
        • S(a);SBLOCK,XP(C)::B(G)
      • Refutation
        • S(a);
  • Actual
    • Q(I);XP(f)
    • Threat
      • QAB(I)
    • Vars
      • S(a);SBLOCK,XP(B)::S(H)
      • S(a);SBLOCK,XP(C)::S(H)


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).