MESON Chess Problem Database

Problem Display
PID: 136704 (2Q5/4k3/1K4P1/6N1/8/8/8/8 w - - 0 1)

Vogel, Peter

Pevomuc, 2002

2Q5/4k3/1K4P1/6N1/8/8/8/8

#2

4 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qe6#
  • Tries
    • 1.g7?
      • 1...Kd6
        • 2.Qe6#
      • 1...Kf6!
  • Keys
    • 1.Qe6+!
      • 1...Kd8
        • 2.Sf7#
      • 1...Kf8
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAR1(D)
  • Tries
    • Try
      • P(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);CHECK
    • Vars
      • K(a);S_FLIGHT::S(A)
      • K(a);S_FLIGHT::QAR1(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).