MESON Chess Problem Database

Problem Display
PID: 234702 (nB6/8/3Q4/8/4k1K1/8/N4p2/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2012

nB6/8/3Q4/8/4k1K1/8/N4p2/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qe5#
        • 2.Qd3#
      • 1...Ke3
        • 2.Qf4#
        • 2.Qd3#
      • 1...f1Q
        • 2.Qe5#
      • 1...f1B
        • 2.Qe5#
      • 1...Sc7!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qf4#
        • 2.Qe5#
        • 2.Qd3#
      • 1...Ke3
        • 2.Qd3#
      • 1...f1Q
        • 2.Qe5#
      • 1...f1B
        • 2.Qf4#
        • 2.Qe5#
      • 1...f1R
        • 2.Qe5#
        • 2.Qd3#
      • 1...Sc7
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAR1(C)
      • Refutation
        • S(c);
  • Actual
    • S(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • P(a);::QAR1(C)
      • S(c);::QAR1(C)
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).