MESON Chess Problem Database

Problem Display
PID: 78121 (8/6kN/3K4/7P/4Q3/8/8/8 w - - 0 1)

Rice, John Michael

Rice, PD

The Tablet, 1957

(First published on Sat Mar 2 1957)

8/6kN/3K4/7P/4Q3/8/8/8

#2

4 + 1

5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qg6#
    • 1...Kf7
      • 2.Qg6#
  • Tries
    • 1.Qe8?
      • 1...Kh6
        • 2.Qg6#
      • 1...Kxh7!
  • Keys
    • 1.Sf6!
      • 1...Kxf6
        • 2.Qg6#
      • 1...Kh6
        • 2.Qg6#
      • 1...Kf7
        • 2.Qe7#
      • 1...Kf8
        • 2.Qe7#
      • 1...Kh8
        • 2.Qh7#

Anticipated by 149205(1925)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(A)
    • K(a);P-FLIGHT::QAB1(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT,XS(D)::QAR1(A)
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::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).