MESON Chess Problem Database

Problem Display
PID: 110147 (8/8/5p2/5QNk/8/8/5P2/K7 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Sachova skladba, 1987

8/8/5p2/5QNk/8/8/5P2/K7

#2

4 + 2

6490 yacpdb 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Sf3#
  • Tries
    • 1.f3?
      • 1...Kh4
        • 2.Qg4#
      • 1...fxg5
        • 2.Qh7#
      • 1...Kh6!
  • Keys
    • 1.f4!
      • 1...Kh4
        • 2.Qh3#
      • 1...Kh6
        • 2.Qh7#
      • 1...fxg5
        • 2.Qxg5#

Anticipated by 18562(1956)

This anticipates 77517(1996)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::S(D)
  • Tries
    • Try
      • P(B);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • P(b);P_SPINP(b),SBLOCK,XS(D)::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • P(b);OGATE,P_SPINP(b),XS(D)::QAR1(C),XP(b)
HTML5 logo

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).