MESON Chess Problem Database

Problem Display
PID: 18271 (5kbR/3BpNpq/rn4pp/p7/8/1Q6/Kn6/8 w - - 0 1)

Allison, Christopher John

Time & Tide, 1954

5kbR/3BpNpq/rn4pp/p7/8/1Q6/Kn6/8

#2

5 + 11

15148 Sadier Collection 2015

SOLUTION

  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Qf7#
      • 1...Qxh8
        • 2.Sxg6#
      • 1...e6
        • 2.Qa3#
      • 1...S2c4
        • 2.Qf3#
      • 1...S6c4
        • 2.Qb8#
      • 1...Sd5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);P_SPINQ(B)
    • Threat
      • QAR1(B)
    • Vars
      • Q(i);N_GUARD,N_SPINB(k),XR(E)::S(D),XP(e)
      • P(g);N_PINQ(B)::QAB(B)
      • S(a);N_PINQ(B)::QAR(B)
      • S(d);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).