MESON Chess Problem Database

Problem Display
PID: 195203 (b5K1/1Q5R/4Np2/4P2N/5P2/1R2p1Bk/8/3B1nr1 w - - 0 1)

Sparke, Arthur M

Densmore MT (Pittsburgh Gazette-Times), 1918

b5K1/1Q5R/4Np2/4P2N/5P2/1R2p1Bk/8/3B1nr1

#2

10 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg3+
      • 2.Shg7#
    • 1...e2
      • 2.Sxf6#
    • 1...fxe5
      • 2.Sg5#
    • 1...f5
      • 2.Sg5#
  • Keys
    • 1.f5!
      • threat
        • 2.Sef4#
      • 1...Rxg3+
        • 2.Shg7#
      • 1...Sxg3
        • 2.Shf4#
      • 1...fxe5
        • 2.Sg5#
      • 1...e2
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(b);CHECK,SBLOCK,XB(C)::R(I)+S(F)
    • P(c);::R(I)+S(F),XP(e)
    • P(e);N_GUARD,XP(E)::S(G)
    • P(e);N_GUARD::S(G)
  • Actual
    • P(D);
    • Threat
      • S(G)
    • Vars
      • R(b);CHECK,SBLOCK,XB(C)::R(I)+S(F)
      • S(a);SBLOCK,XB(C)::R(I)+S(F),DCHECK
      • P(e);N_GUARD,XP(E)::S(G)
      • P(c);::R(I)+S(F),XP(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).