MESON Chess Problem Database

Problem Display
PID: 231456 (3K2NQ/3P1kN1/8/7P/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

3K2NQ/3P1kN1/8/7P/8/8/8/8

#2

6 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Sh6#
  • Tries
    • 1.Sf5?
      • 1...Kf8
        • 2.Sgh6#
        • 2.Qg7#
      • 1...Ke6!
    • 1.Se8?
      • 1...Kf8
        • 2.Sh6#
        • 2.Qg7#
      • 1...Ke6!
  • Keys
    • 1.Qh7!
      • 1...Kf8
        • 2.Se6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR(F)+S(E)
  • Tries
    • Try
      • S(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);P-FLIGHT::S(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).