Problem Display
PID: 14808 (N5R1/2p1Q2b/n2pP2q/1Ppk1nR1/8/B2PpNP1/1K2Pp2/7B w - - 0 1)

le Grand, Henk

le Grand, Piet

1st HM., Die Schwalbe, 1955

N5R1/2p1Q2b/n2pP2q/1Ppk1nR1/8/B2PpNP1/1K2Pp2/7B

#3

13 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Sb6+
        • 2...cxb6
          • 3.Qb7#
    • 1...Qf6+
      • 2.Sd4+
        • 2...Kxd4
          • 3.Qxf6#
        • 2...Ke5
          • 3.Sc6#
    • 1...Bxg8
      • 2.Rxf5#
    • 1...Sb4
      • 2.Sxc7#
    • 1...Sb8
      • 2.Sxc7#
    • 1...c4
      • 2.Sb6+
        • 2...cxb6
          • 3.Qxd6#
      • 2.Sxc7+
        • 2...Sxc7
          • 3.Qxd6#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Sh2#
        • 2.Sh4#
      • 1...Qxh1
        • 2.Rxf5+
          • 2...Bxf5
            • 3.Qxf5#
      • 1...f1Q
        • 2.Rxf5+
          • 2...Bxf5
            • 3.Qxf5#
      • 1...f1B
        • 2.Sh2+
          • 2...Bg2
            • 3.Bxg2#
        • 2.Sh4+
          • 2...Bg2
            • 3.Bxg2#
        • 2.Rxf5+
          • 2...Bxf5
            • 3.Qxf5#
      • 1...f1R
        • 2.Rxf5+
          • 2...Bxf5
            • 3.Qxf5#
      • 1...Qh3
        • 2.Sh2+
          • 2...Qg2
            • 3.Bxg2#
      • 1...Qh5
        • 2.Sh2+
          • 2...Qf3
            • 3.Bxf3#
        • 2.Sh4+
          • 2...Qf3
            • 3.Bxf3#
        • 2.Rd8
          • threat
            • 3.Qe5#
          • 2...Qxf3
            • 3.Bxf3#
      • 1...Qxf6+!
  • Keys
    • 1.Re8!
      • threat
        • 2.Sb6+
          • 2...cxb6
            • 3.Qb7#
      • 1...Qg7+
        • 2.Se5+
          • 2...Kd4
            • 3.Sc6#
          • 2...Kxe5
            • 3.Qxg7#
      • 1...Qf6+
        • 2.Sd4+
          • 2...Kxd4
            • 3.Qxf6#
          • 2...Ke5
            • 3.Sc6#
      • 1...c4
        • 2.Sb6+
          • 2...cxb6
            • 3.Qxd6#
            • 3.Qb7#
        • 2.Sxc7+
          • 2...Sxc7
            • 3.Qxd6#
        • 2.Qxd6+
          • 2...cxd6
            • 3.Sb6#

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).