MESON Chess Problem Database

Problem Display
PID: 6770 (8/4Q3/8/5k1K/8/3P4/8/4N3 w - - 0 1)

Lindner, Laszlo

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

8/4Q3/8/5k1K/8/3P4/8/4N3

#2

4 + 1

4080 Mattbilder eines Lebens 1996
3713 Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qg5#
  • Tries
    • 1.Kh4?
      • 1...Kf4
        • 2.Qg5#
        • 2.Qe4#
      • 1...Kg6!
    • 1.Kh6?
      • 1...Kf4
        • 2.Qg5#
      • 1...Kg4!
    • 1.Qg7?
      • 1...Kf4
        • 2.Qg5#
      • 1...Ke6!
  • Keys
    • 1.d4!
      • 1...Kf4
        • 2.Qe5#

This anticipates 171400(1995)

There are these versions: 241946

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);P-FLIGHT::QAB1(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).