MESON Chess Problem Database

Problem Display
PID: 118651 (1QK5/1p6/8/2BPP3/2b5/3k1P2/pP5R/8 w - - 0 1)

Simonet, Andre

Apprenti Sorcier, 1991

1QK5/1p6/8/2BPP3/2b5/3k1P2/pP5R/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qxb7!
      • threat
        • 2.Qh7#
      • 1...Bxd5
        • 2.Qxd5#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Bb5
        • 2.Qxb5#
      • 1...Ba6
        • 2.Qxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);XP(d)
    • Threat
      • QAB(G)
    • Vars
      • B(c);OGATE,XP(E)::QAR2(G),XB(c)
      • B(c);N_GUARD::QAR2(G),XB(c)
      • B(c);OGATEB::QAB(G),XB(c)
      • B(c);OGATEB,P_PINQ(G)::QAB(G),XB(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).