Problem Display
PID: 248063 (6K1/8/4p3/5p1k/5B2/5PpP/6N1/8 w - - 0 1)

Popov, Mikhail Nikolov

Shakhmaty v SSSR, 1959

6K1/8/4p3/5p1k/5B2/5PpP/6N1/8

#4

5 + 4


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Be5!
      • threat
        • 2.Sf4+
          • 2...Kg5
            • 3.h4+
              • 3...Kxh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bg7#
          • 2...Kh6
            • 3.h4
              • 3...g2
                • 4.Bg7#
        • 2.h4
          • threat
            • 3.Sf4+
              • 3...Kxh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bg7#
          • 2...Kg6
            • 3.Sf4+
              • 3...Kh6
                • 4.Bg7#
          • 2...Kh6
            • 3.Sf4
              • 3...g2
                • 4.Bg7#
          • 2...f4
            • 3.Sxf4+
              • 3...Kxh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bg7#
      • 1...Kg5
        • 2.h4+
          • 2...Kh5
            • 3.Sf4+
              • 3...Kxh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bg7#
          • 2...Kg6
            • 3.Sf4+
              • 3...Kh6
                • 4.Bg7#
          • 2...Kh6
            • 3.Sf4
              • 3...g2
                • 4.Bg7#
      • 1...Kg6
        • 2.Sf4+
          • 2...Kg5
            • 3.h4+
              • 3...Kxh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bg7#
          • 2...Kh6
            • 3.h4
              • 3...g2
                • 4.Bg7#
      • 1...Kh6
        • 2.h4
          • threat
            • 3.Sf4
              • 3...g2
                • 4.Bg7#
          • 2...Kh5
            • 3.Sf4+
              • 3...Kxh4
                • 4.Bf6#
              • 3...Kh6
                • 4.Bg7#
          • 2...Kg6
            • 3.Sf4+
              • 3...Kh6
                • 4.Bg7#
          • 2...f4
            • 3.Sxf4
              • 3...g2
                • 4.Bg7#
      • 1...f4
        • 2.Kg7
          • 2...Kg5
            • 3.Bf6+
              • 3...Kf5
                • 4.Sh4#
              • 3...Kh5
                • 4.Sxf4#

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).