Problem Display
PID: 9206 (1rq4b/2pp2PB/1pp5/1P1PkNP1/5N2/4K1P1/8/6B1 w - - 0 1)

Hoffmann, Peter

Schach, 2000

1rq4b/2pp2PB/1pp5/1P1PkNP1/5N2/4K1P1/8/6B1

#4

10 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Bg6!
      • threat
        • 2.Sd3+
          • 2...Kxd5
            • 3.Bf7#
      • 1...cxb5
        • 2.Kd3
          • threat
            • 3.Bd4#
          • 2...c5
            • 3.dxc5 ep
              • threat
                • 4.Bd4#
      • 1...cxd5
        • 2.Kf3
          • threat
            • 3.Bd4#
          • 2...c5
            • 3.bxc5 ep
              • threat
                • 4.Bd4#
              • 3...d4
                • 4.Bxd4#
      • 1...Qe8
        • 2.gxh8Q+
          • 2...Qxh8
            • 3.Sd3+
              • 3...Kxd5
                • 4.Bf7#
        • 2.gxh8B+
          • 2...Qxh8
            • 3.Sd3+
              • 3...Kxd5
                • 4.Bf7#
      • 1...Qf8
        • 2.gxh8Q+
          • 2...Qxh8
            • 3.Sd3+
              • 3...Kxd5
                • 4.Bf7#
        • 2.gxh8B+
          • 2...Qxh8
            • 3.Sd3+
              • 3...Kxd5
                • 4.Bf7#
      • 1...Qg8
        • 2.gxh8Q+
          • 2...Qxh8
            • 3.Sd3+
              • 3...Kxd5
                • 4.Bf7#
        • 2.gxh8B+
          • 2...Qxh8
            • 3.Sd3+
              • 3...Kxd5
                • 4.Bf7#

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).