Problem Display
PID: 200514 (KnNn3r/1pQPpp2/p3kr2/1bpNPp2/1bqP1P2/8/6B1/8 w - - 0 1)

van Gool, Johann Christoffel

2nd Prize, Het Parool, 1975

KnNn3r/1pQPpp2/p3kr2/1bpNPp2/1bqP1P2/8/6B1/8

#3

9 + 14


SOLUTION


  • SOUND
  • Sets
    • 1...Qf1
      • 2.Sdxe7
        • threat
          • 3.Bd5#
          • 3.Qd6#
          • 3.d5#
    • 1...Qc1
      • 2.Sdxe7
        • threat
          • 3.Bd5#
          • 3.Qd6#
          • 3.d5#
    • 1...Qc2
      • 2.Sdxe7
        • threat
          • 3.Bd5#
          • 3.Qd6#
          • 3.d5#
    • 1...Re8
      • 2.dxe8S
        • threat
          • 3.Sg7#
          • 3.Qxe7#
    • 1...Bxd7
      • 2.Qd6+
        • 2...exd6
          • 3.Sc7#
    • 1...Sxd7
      • 2.Qd6+
        • 2...exd6
          • 3.Sc7#
      • 2.Qc6+
        • 2...Bxc6
          • 3.Sc7#
        • 2...Sxc6
          • 3.Sc7#
        • 2...bxc6
          • 3.Sc7#
  • Keys
    • 1.Scb6!
      • threat
        • 2.Qc6+
          • 2...Bxc6
            • 3.Sc7#
          • 2...Sbxc6
            • 3.Sc7#
          • 2...Sdxc6
            • 3.Sc7#
          • 2...bxc6
            • 3.Sc7#
      • 1...Bxd7
        • 2.Qc6+
          • 2...Bxc6
            • 3.Sc7#
          • 2...Sbxc6
            • 3.Sc7#
          • 2...Sdxc6
            • 3.Sc7#
          • 2...bxc6
            • 3.Sc7#
        • 2.Qxd7+
          • 2...Sxd7
            • 3.Sc7#
      • 1...Sxd7
        • 2.Qxd7+
          • 2...Bxd7
            • 3.Sc7#
      • 1...cxd4
        • 2.Qxc4
          • threat
            • 3.Sc7#
      • 1...Ba4
        • 2.Qc6+
          • 2...Bxc6
            • 3.Sc7#
          • 2...Sbxc6
            • 3.Sc7#
          • 2...Sdxc6
            • 3.Sc7#
          • 2...bxc6
            • 3.Sc7#
      • 1...Bc6
        • 2.Qxc6+
          • 2...Sbxc6
            • 3.Sc7#
          • 2...Sdxc6
            • 3.Sc7#
          • 2...bxc6
            • 3.Sc7#
      • 1...Sbc6
        • 2.Qb8
          • threat
            • 3.Sc7#
          • 2...Qxd5
            • 3.Bxd5#
          • 2...Sxe5
            • 3.Qxe5#
      • 1...Sdc6
        • 2.Qd8
          • threat
            • 3.Sc7#
          • 2...Qxd5
            • 3.Bxd5#
          • 2...Sxe5
            • 3.Qxe7#

FEATURES


NOT CLASSIFIED


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).