MESON Chess Problem Database

Problem Display
PID: 166417 (4R3/K1N5/NPk5/4P3/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

4R3/K1N5/NPk5/4P3/8/8/8/8

#2

6 + 1

5454 Near Snap 2018
15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.Sb8#
  • Tries
    • 1.Ka8?
      • 1...Kd7
        • 2.Sb8#
      • 1...Kxb6!
  • Keys
    • 1.b7!
      • 1...Kd7
        • 2.b8S#

This anticipates 80825(1948)

FEATURES

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