MESON Chess Problem Database

Problem Display
PID: 263074 (5N1k/5p1P/7K/6P1/8/5b2/1p6/8 w - - 0 1)

Serafimovic, Ilya

1st Prize, SuperProblem, 2015

5N1k/5p1P/7K/6P1/8/5b2/1p6/8

#2

4 + 4

5454 Near Snap 2022
6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Sg6#
    • 1...f6
      • 2.Sg6#
  • Keys
    • 1.g6!
      • threat
        • 2.g7#
      • 1...fxg6
        • 2.Sxg6#

Anticipated by 231128(1927), 171388(1995)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(c);N_GUARD::S(D)
  • Actual
    • P(A);
    • Threat
      • P(A)
    • Vars
      • P(c);XP(A)::S(D),XP(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).