MESON Chess Problem Database

Problem Display
PID: 61376 (1R6/3N4/2ppp3/2bk3B/2ppp1K1/8/8/Q7 w - - 0 1)

van der Graaf, ?

Het Belgisch Schaakbord (L'Echiquier Belge), 1955

1R6/3N4/2ppp3/2bk3B/2ppp1K1/8/8/Q7

#2

5 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qa2#
    • 1...d3
      • 2.Sf6#
    • 1...e3
      • 2.Qh1#
    • 1...e5
      • 2.Bf7#
  • Keys
    • 1.Rb5!
      • 1...cxb5
        • 2.Qa8#
      • 1...c3
        • 2.Qa2#
      • 1...e3
        • 2.Qh1#
      • 1...e5
        • 2.Bf7#
      • 1...d3
        • 2.Sb6#
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATEB::QAB(A)
    • P(b);::S(D)
    • P(c);OGATEB::QAB(A)
    • P(h);OGATEB::B(C)
  • Actual
    • R(E);P_PINB(d)
    • Vars
      • P(f);N_SPINB(d),OGATEB,XR(E)::QAB(A)
      • P(a);OGATEB::QAB(A)
      • P(c);OGATEB::QAB(A)
      • P(h);OGATEB::B(C)
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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).