MESON Chess Problem Database

Problem Display
PID: 210075 (n7/RNk5/4P3/1b1K4/8/8/8/8 w - - 0 1)

Froberg, Johan Hilding Laurentius

Land og Folk, 1978

n7/RNk5/4P3/1b1K4/8/8/8/8

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Sd6+!
      • 1...Kb6
        • 2.Sc8#
      • 1...Kb8
        • 2.Rb7#
      • 1...Kd8
        • 2.e7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);CHECK
    • Vars
      • K(b);S_FLIGHT::S(D)
      • K(b);S_FLIGHT::R1(C)
      • K(b);S_FLIGHT::P(B)
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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).