MESON Chess Problem Database

Problem Display
PID: 17972 (6R1/1K1Nk3/4P3/2P3P1/3nRn2/4N3/8/8 w - - 0 1)

Sheppard, Charles William

Philadelphia Inquirer, 1952

6R1/1K1Nk3/4P3/2P3P1/3nRn2/4N3/8/8

#2

8 + 3

5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sf5#
    • 1...Sde2
      • 2.Sf5#
    • 1...Sb3
      • 2.Sf5#
    • 1...Sf3
      • 2.Sf5#
    • 1...Sb5
      • 2.Sf5#
    • 1...Sf5
      • 2.Sxf5#
    • 1...Sc6
      • 2.Sf5#
    • 1...Sfe2
      • 2.Sd5#
    • 1...Sg2
      • 2.Sd5#
    • 1...Sd3
      • 2.Sd5#
    • 1...Sh3
      • 2.Sd5#
    • 1...Sd5
      • 2.Sxd5#
    • 1...Sh5
      • 2.Sd5#
    • 1...Sg6
      • 2.Sd5#
  • Keys
    • 1.Se5!
      • 1...Kxe6
        • 2.Re8#
      • 1...Sdxe6
        • 2.Sf5#
      • 1...Sfxe6
        • 2.Sd5#
      • 1...Sc2
        • 2.Sc6#
      • 1...Sde2
        • 2.Sc6#
      • 1...Sb3
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sb5
        • 2.Sc6#
      • 1...Sf5
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sfe2
        • 2.Sg6#
      • 1...Sg2
        • 2.Sg6#
      • 1...Sd3
        • 2.Sg6#
      • 1...Sh3
        • 2.Sg6#
      • 1...Sd5
        • 2.Sg6#
      • 1...Sh5
        • 2.Sg6#
      • 1...Sg6
        • 2.Sxg6#

This anticipates 138662(1966), 7737(1993)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 14
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
  • Actual
    • S(G);
    • Vars
      • K(c);P-FLIGHT,XP(E)::R(H)
      • S(a);N_GUARD,SBLOCK,XP(E)::S(A)
      • S(b);N_GUARD,SBLOCK,XP(E)::S(A)
      • S(a);N_GUARD::S(G)
      • S(a);N_GUARD::S(G),XS(a)
      • S(b);N_GUARD::S(G)
      • S(b);N_GUARD::S(G),XS(b)
HTML5 logo

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).