Problem Display
PID: 231893 (1B4K1/6N1/5k2/8/2p1B3/8/4N3/8 w - - 0 1)

Havel, Miroslav

4th Prize, Shakhmaty v SSSR, 1937

1B4K1/6N1/5k2/8/2p1B3/8/4N3/8

#4

5 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bf5!
      • threat
        • 2.Sc3
          • 2...Kg5
            • 3.Se4+
              • 3...Kh4
                • 4.Bg3#
              • 3...Kh6
                • 4.Bf4#
          • 2...Ke7
            • 3.Sd5+
              • 3...Kd8
                • 4.Bc7#
      • 1...Kg5
        • 2.Be5
          • threat
            • 3.Bc3
              • 3...Kh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bd2#
          • 2...c3
            • 3.Bxc3
              • 3...Kh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bd2#
      • 1...Ke7
        • 2.Be5
          • threat
            • 3.Sd4
              • threat
                • 4.Sc6#
              • 3...Kd8
                • 4.Sc6#
          • 2...Kd8
            • 3.Sd4
              • threat
                • 4.Sc6#
              • 3...Ke7
                • 4.Sc6#
      • 1...c3
        • 2.Sxc3
          • 2...Kg5
            • 3.Se4+
              • 3...Kh4
                • 4.Bg3#
              • 3...Kh6
                • 4.Bf4#
          • 2...Ke7
            • 3.Sd5+
              • 3...Kd8
                • 4.Bc7#

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).