MESON Chess Problem Database

Problem Display
PID: 256966 (7k/4N2q/8/4N1K1/2R4R/8/8/8 w - - 0 1)

Kolpakov, Viktor Sergeevich

Buletin Problemistic, 1995

7k/4N2q/8/4N1K1/2R4R/8/8/8

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Kf6!
      • threat
        • 2.S5g6#
        • 2.Sf7#
        • 2.Rc8#
      • 1...Qxh4+
        • 2.Rxh4#
      • 1...Qh6+
        • 2.Rxh6#
      • 1...Qh5
        • 2.Rxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • Q(a);CHECK,N_SPINQ(a),OGATE,XR(B)::R(A),XQ(a)
      • Q(a);CHECK,OGATEB::R(B),XQ(a)
      • Q(a);OGATEB::R(B),XQ(a)
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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).