MESON Chess Problem Database

Problem Display
PID: 218619 (Rqk5/b1Np1N2/1p4nr/7p/4B3/6Q1/r2p2nK/8 w - - 0 1)

Sparke, Arthur M

British Chess Magazine, 1922

Rqk5/b1Np1N2/1p4nr/7p/4B3/6Q1/r2p2nK/8

#2

6 + 11

SOLUTION

  • SOUND
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qc7#
      • 1...d6
        • 2.Qh3#
      • 1...Rc2
        • 2.Sxa7#
      • 1...S2f4
        • 2.Qc3#
      • 1...S6f4
        • 2.Qg8#
      • 1...Se5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);P_SPINQ(B)
    • Threat
      • QAR1(B)
    • Vars
      • P(i);N_PINQ(B)::QAB(B)
      • R(a);N_GUARD::S(D),XB(h)
      • S(c);N_PINQ(B)::QAR(B)
      • S(f);N_PINQ(B)::QAR(B)
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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).