Problem Display
PID: 34511 (1N1n4/1P1p4/1P1k1PN1/2bB3P/2P3K1/p3p3/8/8 w - - 0 1)

Hallgren, F

Svenska Schackproblem, 1901

1N1n4/1P1p4/1P1k1PN1/2bB3P/2P3K1/p3p3/8/8

#3

9 + 6


14665 Knights and Bishops 1909

SOLUTION


  • SOUND
  • Tries
    • 1.Sh4?
      • threat
        • 2.Sf5+
          • 2...Ke5
            • 3.Sxd7#
      • 1...Ke5
        • 2.Sf5
          • threat
            • 3.Sxd7#
          • 2...Kxf6
            • 3.Sxd7#
          • 2...d6
            • 3.Sd7#
      • 1...Bxb6
        • 2.Sf5+
          • 2...Kc5
            • 3.Sa6#
          • 2...Ke5
            • 3.Sxd7#
          • 2...Kc7
            • 3.Sa6#
      • 1...Bb4
        • 2.Sf5+
          • 2...Kc5
            • 3.Sxd7#
          • 2...Ke5
            • 3.Sxd7#
      • 1...Bd4!
    • 1.Sa6?
      • threat
        • 2.b8Q#
        • 2.b8B#
      • 1...Bxb6
        • 2.b8Q+
          • 2...Bc7
            • 3.Qxc7#
            • 3.Qb4#
        • 2.b8B+
          • 2...Bc7
            • 3.Bxc7#
      • 1...Sxb7
        • 2.f7
          • threat
            • 3.f8Q#
            • 3.f8B#
      • 1...Se6
        • 2.b8Q+
          • 2...Sc7
            • 3.Qxc7#
            • 3.Qf8#
        • 2.b8B+
          • 2...Sc7
            • 3.Bxc7#
      • 1...Sc6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sf5+
          • 2...Ke5
            • 3.Sxd7#
      • 1...Ke5
        • 2.Sf5
          • threat
            • 3.Sxd7#
          • 2...Kxf6
            • 3.Sxd7#
          • 2...d6
            • 3.Sd7#
      • 1...Bxb6
        • 2.Sf5+
          • 2...Kc5
            • 3.Sa6#
          • 2...Ke5
            • 3.Sxd7#
          • 2...Kc7
            • 3.Sa6#
      • 1...Bb4
        • 2.Sf5+
          • 2...Kc5
            • 3.Sxd7#
          • 2...Ke5
            • 3.Sxd7#
      • 1...Bd4
        • 2.Sc8+
          • 2...Kc5
            • 3.Sa6#
          • 2...Ke5
            • 3.Sxd7#

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).