MESON Chess Problem Database

Problem Display
PID: 259388 (7Q/8/8/8/8/8/8/R3K1k1 w Q - 0 1)

Radchenko, Sergei Vladimirovich

Buletin Problemistic, 1993

7Q/8/8/8/8/8/8/R3K1k1

#2

3 + 1

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • 1...Kh1
        • 2.Kf2#
      • 1...Kg2!
    • 1.Qb8?
      • 1...Kh1
        • 2.Kf2#
      • 1...Kg2!
  • Keys
    • 1.Qb2!
      • 1...Kh1
        • 2.0-0-0#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::R(A)+K(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::R(A)+K(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::0-0-0
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).