MESON Chess Problem Database

Problem Display
PID: 144363 (3Q4/6p1/1p2k1K1/1r4pN/4P3/7N/8/b6R w - - 0 1)

Boy, Claude

diagrammes, 1973

3Q4/6p1/1p2k1K1/1r4pN/4P3/7N/8/b6R

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sxg7#
    • 1...Be5
      • 2.Sxg5#
  • Keys
    • 1.e5!
      • threat
        • 2.Qd6#
      • 1...Kxe5
        • 2.Re1#
      • 1...Rxe5
        • 2.Sxg7#
      • 1...Bxe5
        • 2.Sxg5#
      • 1...Rd5
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK,S_CUTB(a)::S(D),XP(f)
    • B(a);SBLOCK,S_CUTR(b)::S(B),XP(c)
  • Actual
    • P(C);
    • Threat
      • QAR1(F)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XP(C)::R(A)
      • R(b);SBLOCK,XP(C)::S(D),XP(f)
      • B(a);SBLOCK,XP(C)::S(B),XP(c)
      • R(b);SBLOCK::QAR2(F)
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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).