MESON Chess Problem Database

Problem Display
PID: 80756 (8/8/2b5/8/2BR4/6K1/4p3/4Nk2 w - - 0 1)

Auhagen, Ulrich Otto Ferdinand

Deutsche Schachzeitung, 1983

8/8/2b5/8/2BR4/6K1/4p3/4Nk2

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Rd1!
      • threat
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sf3#
      • 1...Kg1
        • 2.Sf3#
      • 1...Ba4
        • 2.Sc2#
      • 1...Bg2
        • 2.Sc2#
        • 2.Sxg2#
        • 2.Sf3#
      • 1...Bf3
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT::R(D)+S(A),DCHECK
      • B(c);::R(D)+S(A)
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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).