MESON Chess Problem Database

Problem Display
PID: 21424 (5bqr/1B2p1pp/1p3p2/3r1N1Q/4k1P1/1N3pK1/1B4n1/1b1R4 w - - 0 1)

Knott, Hubert Edward

4th Prize, BCPJ (June), 1919

5bqr/1B2p1pp/1p3p2/3r1N1Q/4k1P1/1N3pK1/1B4n1/1b1R4

#2

8 + 13

5294 BCPJ (August) 1919
14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Sd2#
    • 1...b5
      • 2.Sc5#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qa4#
      • 1...Bd3
        • 2.Sd2#
      • 1...Se3
        • 2.Sd6#
      • 1...b5
        • 2.Sc5#
      • 1...e5
        • 2.Rd4#
      • 1...e6
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::S(C)
    • P(f);N_GUARD::S(C)
  • Actual
    • Q(G);P_PINP(h)
    • Threat
      • QAR(G)
    • Vars
      • B(a);SBLOCK::S(C)
      • S(b);SBLOCK::S(F)
      • P(f);N_GUARD::S(C)
      • P(h);::R1(A)
      • P(h);S_CUTQ(l)::B(H),XR(e)
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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).