MESON Chess Problem Database

Problem Display
PID: 102506 (8/8/2B5/8/2K5/1N1N4/5P2/1kB5 w - - 0 1)

Khalife, Georges

Europe Echecs, 1959

8/8/2B5/8/2K5/1N1N4/5P2/1kB5

#2

6 + 1

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sb2?
      • 1...Kc2
        • 2.Be4#
      • 1...Ka2!
    • 1.Ba4?
      • 1...Kc2
        • 2.Sd2#
      • 1...Ka2!
  • Keys
    • 1.Be4!
      • threat
        • 2.Sb4#
      • 1...Ka2
        • 2.Sb4#
      • 1...Kc2
        • 2.Sb2#

This anticipates 171446(1998)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT::B(F)+S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • B(F)+S(D)
    • Vars
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::B(F)+S(D)
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).