MESON Chess Problem Database

Problem Display
PID: 186068 (8/8/K7/8/k3P3/4Q3/1p6/b4R2 w - - 0 1)

Lincoln, Robert A

Problem Observer, 2017

8/8/K7/8/k3P3/4Q3/1p6/b4R2

#2

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Rf3!
      • threat
        • 2.Qd4#
        • 2.Qa3#
        • 2.Qb3#
      • 1...Kb4
        • 2.Qd4#
      • 1...b1Q
        • 2.Qa3#
      • 1...b1S
        • 2.Qb3#
      • 1...b1B
        • 2.Qa3#
        • 2.Qb3#
      • 1...b1R
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);P-FLIGHT::QAR2(B)
      • P(b);::QAR1(B)
      • P(b);::QAB1(B)
HTML5 logo

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).