MESON Chess Problem Database

Problem Display
PID: 234973 (4K1kr/6pp/8/1p6/2R5/8/8/2Q5 w - - 0 1)

Akimov, Nikolai Nikolaevich

64 Shakhmatnoe obozrenie, 2010

4K1kr/6pp/8/1p6/2R5/8/8/2Q5

#2

3 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...bxc4
      • 2.Qxc4#
    • 1...g5
      • 2.Qxg5#
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qe6#
      • 1...gxh6
        • 2.Rg4#
      • 1...g5
        • 2.Qxg5#
        • 2.Qf8#
      • 1...g6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(a);OGATE,XR(B)::QAB(A),XP(a)
    • P(b);OGATEB::QAR(A),XP(b)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • P(b);OGATEB,XQ(A)::R(B)
      • P(b);OGATE::QAR1(A)
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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).