MESON Chess Problem Database

Problem Display
PID: 251169 (7b/6RQ/8/5P1K/8/7k/7p/8 w - - 0 1)

Lincoln, Robert A

Uralski Problemist, 2012

7b/6RQ/8/5P1K/8/7k/7p/8

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qg2#
        • 2.Qg3#
        • 2.Qg4#
      • 1...Bxg7
        • 2.Qg4#
      • 1...h1Q
        • 2.Qg3#
      • 1...h1S
        • 2.Qg2#
      • 1...h1B
        • 2.Qg3#
      • 1...h1R
        • 2.Qg2#
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);
    • Threat
      • DUALS(3)
    • Vars
      • B(c);XR(C)::QAB1(D)
      • P(a);::QAR1(D)
      • P(a);::QAB1(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).