Problem Display
PID: 214079 (2Q5/8/8/8/3NB3/2P1k3/5N2/5K2 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Land og Folk, 1977

2Q5/8/8/8/3NB3/2P1k3/5N2/5K2

#2

6 + 1


15148 Sadier Collection 2020
5454 Near Snap 2023

SOLUTION


  • SOUND
  • Tries
    • 1.Qh3+?
      • 1...Kd2
        • 2.Sb3#
      • 1...Kf4!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qg5#
      • 1...Kd2
        • 2.Sb3#
      • 1...Kf4
        • 2.Se2#

Anticipated by 49420(0000)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • K(a);S_FLIGHT::S(D)


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).