MESON Chess Problem Database

Problem Display
PID: 271044 (8/1p2N3/1B2K3/1k1N4/8/P7/1PP5/8 w - - 0 1)

den Broeder, G

Schakend Nederland, 1978

8/1p2N3/1B2K3/1k1N4/8/P7/1PP5/8

#2

7 + 2

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Sc3#
  • Tries
    • 1.Sf5?
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Sd6#
      • 1...Kc6
        • 2.Sd4#
      • 1...Ka6!
  • Keys
    • 1.Sc8!
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Sd6#
      • 1...Ka6
        • 2.Sc7#
      • 1...Kc6
        • 2.Sa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::S(D)
  • Tries
    • Try
      • S(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(D)
        • K(a);N_GUARD,S_FLIGHT::S(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::S(D)
      • K(a);N_GUARD,S_FLIGHT::S(G)
HTML5 logo

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).