MESON Chess Problem Database

Problem Display
PID: 183111 (k1N5/PrB5/N1K5/8/8/8/8/8 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Source?, 1907

k1N5/PrB5/N1K5/8/8/8/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa7
      • 2.Sb6#
    • 1...Rxc7+
      • 2.Sxc7#
    • 1...Rb8
      • 2.axb8Q#
      • 2.axb8R#
  • Keys
    • 1.Bb8!
      • 1...Rb6+
        • 2.Sxb6#
      • 1...Rc7+
        • 2.Sxc7#
      • 1...Rxa7
        • 2.Sb6#
      • 1...Rxb8
        • 2.Sc7#
        • 2.axb8Q#
        • 2.axb8R#
      • 1...Rd7
        • 2.Sb6#
      • 1...Rb1
        • 2.Sc7#
      • 1...Rb2
        • 2.Sc7#
      • 1...Rb3
        • 2.Sc7#
      • 1...Rb4
        • 2.Sc7#
      • 1...Rb5
        • 2.Sc7#
      • 1...Re7
        • 2.Sb6#
      • 1...Rf7
        • 2.Sb6#
      • 1...Rg7
        • 2.Sb6#
      • 1...Rh7
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD,SBLOCK,XP(C)::S(E)
    • R(a);CHECK,XB(D)::S(A),XR(a)
    • R(a);OGATE::PXR(a)=Q
  • Actual
    • B(D);
    • Vars
      • R(a);CHECK,N_GUARD::S(E),XR(a)
      • R(a);CHECK,N_GUARD::S(A),XR(a)
      • R(a);N_GUARD,XP(C)::S(E)
      • R(a);N_GUARD::S(E)
      • R(a);N_GUARD::S(A)
      • R(a);N_GUARD,SBLOCK::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).