Problem Display
PID: 32212 (Nb1R4/8/p4rN1/5P2/2k1pP2/4B3/PR1P4/5K2 w - - 0 1)

van Dijk, Nils Gustav Gerard

3rd HM., Tijdschrift vd KNSB, 1949

Nb1R4/8/p4rN1/5P2/2k1pP2/4B3/PR1P4/5K2

#3

10 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Rxf5
      • 2.Sb6#
    • 1...Rb6
      • 2.Sxb6#
    • 1...Rd6
      • 2.Se5+
        • 2...Kd5
          • 3.Sb6#
    • 1...Rf7
      • 2.Sb6#
    • 1...Rf8
      • 2.Sb6#
    • 1...Be5
      • 2.Sxe5#
    • 1...Bd6
      • 2.Sb6+
        • 2...Kd3
          • 3.Se5#
    • 1...Ba7
      • 2.Se5#
  • Tries
    • 1.a3?
      • threat
        • 2.Rb4#
      • 1...Rd6
        • 2.Se5+
          • 2...Kd5
            • 3.Sb6#
      • 1...Bd6
        • 2.Se5+
          • 2...Kd5
            • 3.Sb6#
            • 3.Sc7#
          • 2...Bxe5
            • 3.Rb4#
        • 2.Sb6+
          • 2...Kd3
            • 3.Se5#
      • 1...a5!
  • Keys
    • 1.a4!
      • threat
        • 2.Rd4+
          • 2...Kc5
            • 3.Rc2#
      • 1...Rd6
        • 2.Se5+
          • 2...Kd5
            • 3.Sb6#
      • 1...Bd6
        • 2.Sb6+
          • 2...Kd3
            • 3.Se5#

FEATURES


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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).