MESON Chess Problem Database

Problem Display
PID: 271233 (5k2/5B2/4Pp2/7K/3B4/8/5Q2/8 w - - 0 1)

Kichigin, Viktor Vladimirovich

Buletin Problemistic, 1982

5k2/5B2/4Pp2/7K/3B4/8/5Q2/8

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3?
      • 1...Kg7
        • 2.Qh6#
      • 1...f5
        • 2.Qa3#
      • 1...Ke7!
    • 1.Qf4?
      • 1...Kg7
        • 2.Qh6#
      • 1...f5
        • 2.Qd6#
      • 1...Ke7!
  • Keys
    • 1.Qd2!
      • 1...Ke7
        • 2.Bc5#
      • 1...Kg7
        • 2.Qh6#
      • 1...f5
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(b);N_GUARD,P_SPINP(a),S_FLIGHT::QAB1(A)
        • P(a);::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);N_GUARD,P_SPINP(a),S_FLIGHT::QAB1(A)
        • P(a);::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(B)
      • K(b);N_GUARD,P_SPINP(a),S_FLIGHT::QAB1(A)
      • P(a);::QAB(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).