MESON Chess Problem Database

Problem Display
PID: 76848 (6QB/7B/8/8/4pk1q/5p2/5P1p/7K w - - 0 1)

Davey, David Murray

The Tablet, 1947

(First published on Sat Jun 28 1947)

6QB/7B/8/8/4pk1q/5p2/5P1p/7K

#2

5 + 5

1189 The Tablet 1952

SOLUTION

  • SOUND
  • Sets
    • 1...Qg3
      • 2.Qxg3#
    • 1...Qf6
      • 2.Qg3#
    • 1...Qe7
      • 2.Qg3#
    • 1...Qd8
      • 2.Qg3#
    • 1...Qh5
      • 2.Qg3#
    • 1...Qh6
      • 2.Qg3#
  • Keys
    • 1.Bf6!
      • 1...Qxf2
        • 2.Qg5#
      • 1...Qxf6
        • 2.Qg3#
      • 1...Qxh7
        • 2.Qg5#
      • 1...Qg5
        • 2.Qxg5#
      • 1...Qg3
        • 2.Qxg3#
      • 1...Qh3
        • 2.Qg5#
      • 1...Qg4
        • 2.Qb8#
      • 1...Qh5
        • 2.Qg3#
      • 1...Qh6
        • 2.Qg3#
      • 1...e3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • Q(e);N_GUARD::QAB1(D),XQ(e)
    • Q(e);N_GUARD::QAB1(D)
  • Actual
    • B(E);
    • Vars
      • Q(e);N_GUARD,XP(B)::QAB1(D)
      • Q(e);N_GUARD,XB(E)::QAB1(D)
      • Q(e);N_GUARD,XB(C)::QAB1(D)
      • Q(e);N_GUARD::QAB1(D),XQ(e)
      • Q(e);N_GUARD::QAB1(D)
      • Q(e);SBLOCK::QAB(D)
      • P(c);OGATEB::QAR(D)
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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).