MESON Chess Problem Database

Problem Display
PID: 241838 (8/8/7p/7P/7k/5Q2/6KP/6R1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

8/8/7p/7P/7k/5Q2/6KP/6R1

#2

5 + 2

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Kh3#
  • Tries
    • 1.Qf7?
      • 1...Kg5
        • 2.Kh3#
      • 1...Kg4!
  • Keys
    • 1.Rh1!
      • 1...Kg5
        • 2.h4#

This anticipates 3163(1941)

FEATURES

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