Problem Display
PID: 191503 (rk4bQ/p2p2p1/B2P3n/P1B5/5p2/2p5/5p2/2N2K2 w - - 0 1)

Nelson, Nels H

Pittsburgh Gazette-Times, 1916

rk4bQ/p2p2p1/B2P3n/P1B5/5p2/2p5/5p2/2N2K2

#4

7 + 10


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Keys
    • 1.Bd4!
      • threat
        • 2.Bxg7
          • threat
            • 3.Bxh6
              • threat
                • 4.Qxg8#
          • 2...Sf7
            • 3.Qxg8+
              • 3...Sd8
                • 4.Qxd8#
          • 2...c2
            • 3.Bxh6
              • 3...f3
                • 4.Qxg8#
          • 2...f3
            • 3.Bxh6
              • 3...c2
                • 4.Qxg8#
      • 1...c2
        • 2.Bxg7
          • threat
            • 3.Bxh6
              • 3...f3
                • 4.Qxg8#
          • 2...Sf7
            • 3.Qxg8+
              • 3...Sd8
                • 4.Qxd8#
          • 2...f3
            • 3.Ba1
              • 3...Sg4
                • 4.Qxg8#
              • 3...Sf5
                • 4.Qxg8#
              • 3...Sf7
                • 4.Qb2#
      • 1...f3
        • 2.Bxg7
          • threat
            • 3.Bxh6
              • 3...c2
                • 4.Qxg8#
          • 2...Sf7
            • 3.Qxg8+
              • 3...Sd8
                • 4.Qxd8#
          • 2...c2
            • 3.Ba1
              • 3...Sg4
                • 4.Qxg8#
              • 3...Sf5
                • 4.Qxg8#
              • 3...Sf7
                • 4.Qb2#
      • 1...g5
        • 2.Bg7
          • threat
            • 3.Bxh6
              • threat
                • 4.Qxg8#
          • 2...Sf7
            • 3.Qxg8+
              • 3...Sd8
                • 4.Qxd8#
      • 1...g6
        • 2.Bg7
          • threat
            • 3.Bxh6
              • threat
                • 4.Qxg8#
          • 2...Sf7
            • 3.Qxg8+
              • 3...Sd8
                • 4.Qxd8#

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).