MESON Chess Problem Database

Problem Display
PID: 287094 (7K/3RN3/8/1k3B2/1P6/4P3/P1N5/8 w - - 0 1)

Mealor, David

Problem Paradise, 2022

7K/3RN3/8/1k3B2/1P6/4P3/P1N5/8

#2

8 + 1

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Tries
    • 1.Bd3+?
      • 1...Ka4
        • 2.Ra7#
      • 1...Kb6!
    • 1.Rd6?
      • 1...Ka4
        • 2.Bd7#
      • 1...Kc4!
  • Keys
    • 1.Sd5!
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Sa3#
      • 1...Ka6
        • 2.Bd3#
      • 1...Kc6
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::R(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::S(G)
      • K(a);N_GUARD,S_FLIGHT::S(B)
      • K(a);N_GUARD,S_FLIGHT::B(E)
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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).