MESON Chess Problem Database

Problem Display
PID: 21927 (8/5p2/5Q2/8/8/3K4/8/1kN5 w - - 0 1)

Jakab, Arpad

3rd HM., Good Companions, 1922

8/5p2/5Q2/8/8/3K4/8/1kN5

#2

3 + 2

2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc1
      • 2.Qa1#
  • Keys
    • 1.Kc3!
      • 1...Ka1
        • 2.Kc2#
      • 1...Kxc1
        • 2.Qf1#

Anticipated by 2826(1875)

This anticipates 227471(1926), 90326(1964)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XS(A)::QAR2(C)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAB(C)+K(B)
      • K(a);OGATEB,P-FLIGHT,XS(A)::QAR(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).