MESON Chess Problem Database

Problem Display
PID: 78629 (8/8/2K1k2N/8/8/8/4N3/4Q3 w - - 0 1)

Adam, Richard

La Regence, 1849

8/8/2K1k2N/8/8/8/4N3/4Q3

#2

4 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qf2?
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke7!
    • 1.Qb4?
      • threat
        • 2.Qd6#
      • 1...Ke5
        • 2.Qe7#
      • 1...Kf6!
    • 1.Qf1?
      • 1...Ke5
        • 2.Qf5#
      • 1...Ke7!
  • Keys
    • 1.Qh4!
      • 1...Ke5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR2(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).