MESON Chess Problem Database

Problem Display
PID: 251083 (8/8/6p1/2K5/4Q3/1b3N2/6N1/7k w - - 0 1)

Lincoln, Robert A

Uralski Problemist, 2011

8/8/6p1/2K5/4Q3/1b3N2/6N1/7k

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sge1?
      • threat
        • 2.Qh4#
      • 1...g5
        • 2.Qh7#
      • 1...Be6!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qh4#
      • 1...Be6
        • 2.Qb1#
      • 1...g5
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAR(C)
      • Vars
        • P(c);OGATE::QAR(C)
      • Refutation
        • B(b);
  • Actual
    • S(A);
    • Threat
      • QAR(C)
    • Vars
      • B(b);N_GUARD::QAR(C)
      • P(c);OGATE::QAR(C)
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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).