Problem Display
PID: 46443 (4K3/5N2/4kp2/3p1p2/8/8/8/2N5 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

4K3/5N2/4kp2/3p1p2/8/8/8/2N5

#2

3 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Sb3?
      • threat
        • 2.Sd4#
        • 2.Sc5#
      • 1...f4
        • 2.Sd4#
      • 1...d4!
    • 1.Sd3?
      • threat
        • 2.Sf4#
        • 2.Sc5#
      • 1...d4
        • 2.Sf4#
      • 1...f4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sd4#
        • 2.Sf4#
      • 1...d4
        • 2.Sf4#
      • 1...f4
        • 2.Sd4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::S(A)
      • Refutation
        • P(a);
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(A)
      • Refutation
        • P(b);
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(a);::S(A)
      • P(b);::S(A)


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).