MESON Chess Problem Database

Problem Display
PID: 224450 (4B3/3NK3/P1k2N2/p1p1p1P1/2r5/8/1B5b/2q5 w - - 0 1)

Thornburgh, RM

York Daily (York, Pennsylvania), 1887

4B3/3NK3/P1k2N2/p1p1p1P1/2r5/8/1B5b/2q5

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.S7b6#
        • 2.S7f6#
      • 1...Qxg5+
        • 2.S7f6#
      • 1...Kb5
        • 2.Sb8#
      • 1...Kxd5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);CHECK,XP(B)::B(G)+S(E)
      • K(g);S_FLIGHT::B(G)+S(E)
      • K(g);S_FLIGHT,XS(D)::S(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).