MESON Chess Problem Database

Problem Display
PID: 9651 (6Qb/4p3/8/r1p1k1P1/p1R4N/B7/5K2/1B1b4 w - - 0 1)

Chandler, Guy Wills

Reading Observer, 1907

6Qb/4p3/8/r1p1k1P1/p1R4N/B7/5K2/1B1b4

#2

7 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Rd4!
      • threat
        • 2.Qd5#
      • 1...Kxd4
        • 2.Bb2#
      • 1...cxd4
        • 2.Sg6#
      • 1...Bb3
        • 2.Sf3#
      • 1...Bf3
        • 2.Sxf3#
      • 1...c4
        • 2.Re4#
      • 1...e6
        • 2.Qxh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • QAR1(G)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(D)::B(C)
      • P(d);SBLOCK,XR(D)::S(E)
      • B(a);N_GUARD::S(E)
      • B(a);N_GUARD::S(E),XB(a)
      • P(d);::R1(D)
      • P(f);SBLOCK::QAB(G),XB(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).