MESON Chess Problem Database

Problem Display
PID: 76222 (3K1k2/R7/3p1N1P/2p5/BB6/5n2/8/4b1r1 w - - 0 1)

Heyl, Peter

Troll, 2005

3K1k2/R7/3p1N1P/2p5/BB6/5n2/8/4b1r1

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.hxg7#
    • 1...Rg8
      • 2.Sh7#
    • 1...c4
      • 2.Bxd6#
    • 1...d5
      • 2.Bxc5#
  • Keys
    • 1.Bb3!
      • threat
        • 2.Sd7#
        • 2.Sh7#
        • 2.Rf7#
      • 1...Rg7
        • 2.hxg7#
      • 1...Bh4
        • 2.Rf7#
      • 1...Se5
        • 2.Sh7#
      • 1...Sg5
        • 2.Sd7#
      • 1...c4
        • 2.Bxd6#
      • 1...d5
        • 2.Bxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATE::P(D),XR(b)
    • R(b);SBLOCK::S(C)
    • P(d);OGATE,P_SPINP(e)::B(B),XP(e)
    • P(e);OGATEB,P_SPINP(d)::B(B),XP(d)
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • R(b);OGATE::P(D),XR(b)
      • B(a);P_PINS(C)::R1(E)
      • S(c);::S(C)
      • P(d);OGATE,P_SPINP(e)::B(B),XP(e)
      • P(e);OGATEB,P_SPINP(d)::B(B),XP(d)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).