Problem Display
PID: 135252 (2B1R1K1/qpR5/3p1ppN/1p1k3p/8/1PP5/3B3P/2b5 w - - 0 1)

Nimzovich, Aaron Isayevich

Rheinische Volkswacht, 1922

2B1R1K1/qpR5/3p1ppN/1p1k3p/8/1PP5/3B3P/2b5

#4

9 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bh3!
      • threat
        • 2.Bg2#
      • 1...Qg1
        • 2.Be3
          • threat
            • 3.c4+
              • 3...bxc4
                • 4.bxc4#
            • 3.Bxg1
              • threat
                • 4.Bg2#
            • 3.Bc8
              • threat
                • 4.Bxb7#
              • 3...b6
                • 4.Bb7#
          • 2...Qxe3
            • 3.Bg2+
              • 3...Qf3
                • 4.Bxf3#
              • 3...Qe4
                • 4.Bxe4#
          • 2...Qf1
            • 3.Bxf1
              • threat
                • 4.Bg2#
          • 2...Qg4
            • 3.Sxg4
              • threat
                • 4.Sxf6#
                • 4.Bg2#
      • 1...Qf2
        • 2.Be6+
          • 2...Ke4
            • 3.Bc4+
              • 3...Kf3
                • 4.Bd5#

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).