MESON Chess Problem Database

Problem Display
PID: 242091 (5N2/2p5/2k5/8/2K5/8/1Q6/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

5N2/2p5/2k5/8/2K5/8/1Q6/8

#2

3 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qf6#
  • Tries
    • 1.Qf2?
      • 1...Kd6
        • 2.Qc5#
        • 2.Qf6#
      • 1...Kb7!
  • Keys
    • 1.Qb5+!
      • 1...Kd6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);CHECK
    • Vars
      • K(a);P-FLIGHT::QAB1(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).