MESON Chess Problem Database

Problem Display
PID: 168737 (5n1N/8/p2K1pP1/Q1P2p2/1n1p1k2/2rr1P1R/6R1/6B1 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachmatija, 2012

5n1N/8/p2K1pP1/Q1P2p2/1n1p1k2/2rr1P1R/6R1/6B1

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Bh2#
    • 1...Rxf3
      • 2.Rh4#
    • 1...Sxg6
      • 2.Sxg6#
  • Keys
    • 1.Qc7!
      • threat
        • 2.Ke7#
      • 1...Rxc5
        • 2.Kxc5#
      • 1...Rxf3
        • 2.Rh4#
      • 1...Sxg6
        • 2.Sxg6#
      • 1...Re3
        • 2.Bh2#
      • 1...Sd5
        • 2.Kxd5#
      • 1...Sc6
        • 2.Kxc6#
      • 1...Se6
        • 2.Kxe6#
      • 1...Sd7
        • 2.Kxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::B(A)
    • R(b);SBLOCK,XP(C)::R(D)
    • S(i);XP(H)::S(I),XS(i)
  • Actual
    • Q(E);
    • Threat
      • QAB(E)+K(G)
    • Vars
      • R(a);XP(F)::QAB(E)+K(G),XR(a)
      • R(b);SBLOCK,XP(C)::R(D)
      • S(i);XP(H)::S(I),XS(i)
      • R(b);SBLOCK::B(A)
      • S(c);::QAB(E)+K(G),XS(c)
      • S(i);::QAB(E)+K(G),XS(i)
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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).