MESON Chess Problem Database

Problem Display
PID: 69022 (5n2/B2p3p/3p3p/8/2k2NR1/8/1Q1K4/5b2 w - - 0 1)

Lecomte, Roland

Het Belgisch Schaakbord (L'Echiquier Belge), 1957

5n2/B2p3p/3p3p/8/2k2NR1/8/1Q1K4/5b2

#2

5 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Qb7!
      • threat
        • 2.Se2#
        • 2.Sg2#
        • 2.Sd3#
        • 2.Sh3#
        • 2.Sd5#
        • 2.Sh5#
        • 2.Se6#
        • 2.Sg6#
      • 1...Bg2
        • 2.Sxg2#
      • 1...Be2
        • 2.Sxe2#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Bh3
        • 2.Sxh3#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sg6
        • 2.Sxg6#
      • 1...d5
        • 2.Sxd5#
      • 1...h5
        • 2.Sxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • DUALS(8)
    • Vars
      • B(a);::R(D)+S(C),XB(a)
      • S(g);::R(D)+S(C),XS(g)
      • P(c);::R(D)+S(C),XP(c)
      • P(d);::R(D)+S(C),XP(d)
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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).