MESON Chess Problem Database

Problem Display
PID: 133615 (Q7/2P1Pp1k/5p2/5N1P/8/6K1/8/8 w - - 0 1)

Townsend, Alonzo

New York Clipper, 1873

Q7/2P1Pp1k/5p2/5N1P/8/6K1/8/8

#2

6 + 3

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Keys
    • 1.e8S!
      • threat
        • 2.Sxf6#
      • 1...Kg8
        • 2.Sxf6#
      • 1...Kh8
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(E);
    • Threat
      • S(E),XP(a)
    • Vars
      • K(c);S_FLIGHT::QAR(F)+S(E),DCHECK,XP(a)
      • K(c);P-FLIGHT::QAR(F)+S(E),XP(a)
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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).