MESON Chess Problem Database

Problem Display
PID: 239197 (8/5p2/4bK2/8/7k/3N1Q2/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problemist Pribuzhya, 1990

8/5p2/4bK2/8/7k/3N1Q2/8/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3+?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kxg3!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sg2#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Bg4
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • B(b);N_GUARD::QAR1(B),XB(b)
      • B(b);SBLOCK::QAB(B)
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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).