MESON Chess Problem Database

Problem Display
PID: 109660 (6R1/3k2n1/pPp1p1N1/QP1bKn1N/1B5b/1qp3p1/8/8 w - - 0 1)

Vrillaud, E

Bulletin de la FFE, 1938

6R1/3k2n1/pPp1p1N1/QP1bKn1N/1B5b/1qp3p1/8/8

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6+
      • 2.Sxf6#
    • 1...axb5
      • 2.Qa7#
  • Keys
    • 1.b7!
      • threat
        • 2.b8S#
      • 1...Bf6+
        • 2.Sxf6#
      • 1...Bd8
        • 2.Rxd8#
        • 2.Qxd8#
      • 1...Se8
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(d);CHECK,N_GUARD::S(E),XB(d)
    • P(g);OGATE,XP(C)::QAR(B)
  • Actual
    • P(F);
    • Threat
      • P=S
    • Vars
      • B(d);CHECK,N_GUARD::S(E),XB(d)
      • S(k);SBLOCK::S(G)
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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).