MESON Chess Problem Database

Problem Display
PID: 287422 (7K/8/8/Q6P/2B3kP/6P1/7P/8 w - - 0 1)

Mealor, David

Problem Paradise, 2019

7K/8/8/Q6P/2B3kP/6P1/7P/8

#2

7 + 1

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3!
  • Keys
    • 1.Qd2!
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3
        • 2.Be6#
      • 1...Kf5
        • 2.Qf4#
      • 1...Kxh5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • K(a);N_GUARD,S_FLIGHT::B(C)
      • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • K(a);N_GUARD,S_FLIGHT,XP(F)::QAR1(E)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).