MESON Chess Problem Database

Problem Display
PID: 108321 (1BR5/8/2b1p3/P1k5/P2r3p/5p2/B1NP1Q2/b6K w - - 0 1)

Geofth, Claude

Bulletin Ouvrier des Echecs, 1938

1BR5/8/2b1p3/P1k5/P2r3p/5p2/B1NP1Q2/b6K

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Rxc6#
        • 2.Qxc6#
      • 1...Rxa4
        • 2.Qxc6#
      • 1...Re4
        • 2.Qf8#
      • 1...Rd5
        • 2.Qa3#
      • 1...Rd6
        • 2.Ba7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);N_PINR(c),P_SPINQ(E),XP(b)
    • Threat
      • DUALS(2)
    • Vars
      • R(c);XP(F)::QAR1(E),XB(f)
      • R(c);N_PINQ(E)::QAB(E)
      • R(c);SBLOCK::B(H)
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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).