Problem Display
PID: 70036 (2NN3B/7p/7P/1pk5/1p5P/1pbK4/1P2P3/8 w - - 0 1)

Zgerski, Gennadi Bronislavovich

The Problemist, 2006

2NN3B/7p/7P/1pk5/1p5P/1pbK4/1P2P3/8

#4

8 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Bg7!
      • threat
        • 2.Bf8+
          • 2...Kd5
            • 3.Bd6
              • threat
                • 4.e4#
      • 1...Bxg7
        • 2.hxg7
          • 2...Kd5
            • 3.g8Q+
              • 3...Kc5
                • 4.Qg5#
              • 3...Ke5
                • 4.Qg5#
          • 2...h5
            • 3.g8R
              • 3...Kd5
                • 4.Rg5#
          • 2...h6
            • 3.g8Q
              • 3...h5
                • 4.Qg5#
      • 1...Be5
        • 2.Bf8+
          • 2...Bd6
            • 3.Bxd6+
              • 3...Kd5
                • 4.e4#
      • 1...Bf6
        • 2.Bxf6
          • 2...Kd5
            • 3.e4+
              • 3...Kc5
                • 4.Bd4#
                • 4.Be7#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).