MESON Chess Problem Database

Problem Display
PID: 156965 (6Nk/6bp/8/7r/2Q4N/2n5/BR5R/B6K w - - 0 1)

Degener, Udo

Reddmann, Hauke

Troll, 2015

6Nk/6bp/8/7r/2Q4N/2n5/BR5R/B6K

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Sg6#
    • 1...Rb5
      • 2.Sg6#
    • 1...Rc5
      • 2.Sg6#
    • 1...Re5
      • 2.Sg6#
    • 1...Rf5
      • 2.Sg6#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Qg8#
      • 1...Rd5
        • 2.Sg6#
      • 1...Sd5!
    • 1.Sh6?
      • threat
        • 2.Qg8#
      • 1...Sd5
        • 2.Rb8#
      • 1...Rd5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qg8#
      • 1...Rd5
        • 2.Shg6#
      • 1...Sd5
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(b);S_CUTP(d)::S(G)
  • Tries
    • Try
      • S(H);
      • Threat
        • QAR1(F)
      • Vars
        • R(b);S_CUTP(d)::S(G)
      • Refutation
        • S(a);
    • Try
      • S(H);
      • Threat
        • QAR1(F)
      • Vars
        • S(a);S_CUTB(c)::R(D)
      • Refutation
        • R(b);
  • Actual
    • S(H);
    • Threat
      • QAR1(F)
    • Vars
      • R(b);S_CUTP(d)::S(G)
      • S(a);S_CUTB(c)::R(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).