MESON Chess Problem Database

Problem Display
PID: 232995 (7k/8/4bb1K/8/7R/6Q1/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2004

7k/8/4bb1K/8/7R/6Q1/8/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxh4
      • 2.Qg7#
    • 1...Be7
      • 2.Qg7#
    • 1...Bg7+
      • 2.Qxg7#
    • 1...Bd8
      • 2.Qg7#
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qh7#
      • 1...Bg5+
        • 2.Kxg5#
      • 1...Bg7+
        • 2.Qxg7#
      • 1...Bf5
        • 2.Qe8#
      • 1...Bg8
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(b);N_GUARD,XR(B)::QAB1(A)
    • B(b);N_GUARD::QAB1(A)
    • B(b);CHECK,N_GUARD::QAB1(A),XB(b)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • B(b);CHECK::R(B)+K(C),XB(b)
      • B(b);CHECK,N_GUARD::QAB1(A),XB(b)
      • B(a);N_GUARD::QAR(A)
      • B(a);SBLOCK::QAB(A),XB(b)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).