MESON Chess Problem Database

Problem Display
PID: 193726 (4k3/3n2K1/2N5/1n1N4/8/8/8/8 w - - 0 1)

Olson, Anders Elis Waldemar

Aftonbladet, 1916

4k3/3n2K1/2N5/1n1N4/8/8/8/8

#2

3 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Sc7#
    • 1...Sc3
      • 2.Sc7#
    • 1...Sd4
      • 2.Sc7#
    • 1...Sd6
      • 2.Sc7#
    • 1...Sa7
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sc5
      • 2.Sf6#
    • 1...Se5
      • 2.Sf6#
    • 1...Sb6
      • 2.Sf6#
    • 1...Sf6
      • 2.Sxf6#
    • 1...Sb8
      • 2.Sf6#
    • 1...Sf8
      • 2.Sf6#
  • Keys
    • 1.Kg8!
      • 1...Sf6+
        • 2.Sxf6#
      • 1...Sc5
        • 2.Sf6#
      • 1...Se5
        • 2.Sf6#
      • 1...Sb6
        • 2.Sf6#
      • 1...Sb8
        • 2.Sf6#
      • 1...Sf8
        • 2.Sf6#
      • 1...Sa3
        • 2.Sc7#
      • 1...Sc3
        • 2.Sc7#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sa7
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • 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
    • K(C);P-FLIGHT
    • Vars
      • S(b);CHECK,N_GUARD::S(A),XS(b)
      • S(b);N_GUARD::S(A)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(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).