MESON Chess Problem Database

Problem Display
PID: 50335 (8/5p1N/4p3/4k3/1K5P/8/8/2Q5 w - - 0 1)

Grigoryan, Albert Abramovich

StrateGems, 2003

8/5p1N/4p3/4k3/1K5P/8/8/2Q5

#2

4 + 3

5454 Near Snap 2017

SOLUTION

  • SOUND
  • Keys
    • 1.Sf6!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kxf6
        • 2.Qg5#

Anticipated by 222935(1886), 203213(1924), 87929(1963)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XS(D)::QAB1(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).