MESON Chess Problem Database

Problem Display
PID: 246405 (8/4n3/5R1n/4pb1Q/6BP/4P1K1/3PN1N1/1R2Bk2 w - - 0 1)

Hjelle, David

Sjakk-Nytt, 1948

8/4n3/5R1n/4pb1Q/6BP/4P1K1/3PN1N1/1R2Bk2

#2

11 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Bf2#
  • Tries
    • 1.e4?
      • threat
        • 2.Se3#
        • 2.Bf2#
      • 1...Sd5
        • 2.Bf2#
      • 1...Sxg4!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Qf3#
      • 1...Sg4
        • 2.Sgf4#
      • 1...e4
        • 2.Bf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);::R(A)+B(B)
  • Tries
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(e);::R(A)+B(B)
      • Refutation
        • S(d);XB(H)
  • Actual
    • B(H);
    • Threat
      • QAR2(J)
    • Vars
      • S(d);::B(H)+S(E)
      • P(b);::R(A)+B(B)
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).