MESON Chess Problem Database

Problem Display
PID: 170854 (8/7P/7P/6pk/4K3/6Q1/6p1/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2017

8/7P/7P/6pk/4K3/6Q1/6p1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Kf5!
      • threat
        • 2.Qh2#
        • 2.Qh3#
        • 2.Qxg5#
      • 1...Kxh6
        • 2.h8Q#
      • 1...g1Q
        • 2.Qh3#
      • 1...g1S
        • 2.Qxg5#
      • 1...g1B
        • 2.Qh3#
        • 2.Qxg5#
      • 1...g1R
        • 2.Qh2#
        • 2.Qh3#
      • 1...g4
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT,XP(C)::P=Q
      • P(a);::QAR2(A)
      • P(a);::QAR1(A),XP(b)
      • P(b);::QAR(A)
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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).