MESON Chess Problem Database

Problem Display
PID: 231552 (5N2/1K6/8/p1k1p3/Q3P3/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

5N2/1K6/8/p1k1p3/Q3P3/8/8/8

#2

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qa3#
  • Tries
    • 1.Qc4+?
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxc4!
  • Keys
    • 1.Sg6!
      • 1...Kd6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
  • Actual
    • S(D);
    • Vars
      • K(b);S_FLIGHT::QAR1(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).