MESON Chess Problem Database

Problem Display
PID: 182636 (8/8/8/1N2K3/8/1n3k1B/8/4Q2b w - - 0 1)

Lincoln, Robert A

Problem Observer, 2015

8/8/8/1N2K3/8/1n3k1B/8/4Q2b

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Sd4#
    • 1...Sc1
      • 2.Sd4#
    • 1...Sd2
      • 2.Sd4#
    • 1...Sd4
      • 2.Sxd4#
    • 1...Sa5
      • 2.Sd4#
    • 1...Sc5
      • 2.Sd4#
  • Keys
    • 1.Kf5!
      • 1...Sd4+
        • 2.Sxd4#
      • 1...Bg2
        • 2.Bg4#
      • 1...Sa1
        • 2.Sd4#
      • 1...Sc1
        • 2.Sd4#
      • 1...Sd2
        • 2.Sd4#
      • 1...Sa5
        • 2.Sd4#
      • 1...Sc5
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::S(C)
    • S(b);N_GUARD::S(C),XS(b)
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • S(b);CHECK,N_GUARD::S(C),XS(b)
      • B(a);SBLOCK::B(B)
      • S(b);N_GUARD::S(C)
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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).