Problem Display
PID: 20278 (Q7/b4Bk1/2p5/1r1pppN1/1r3p1p/1p2p2K/2n5/8 w - - 0 1)

Bron, Vladimir Akimovich

Rudenko, Valentin Fedorovich

Source?, 1956

Q7/b4Bk1/2p5/1r1pppN1/1r3p1p/1p2p2K/2n5/8

#4

4 + 13


3976 FIDE Album (1956-1958) 1961

SOLUTION


  • SOUND
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qxe5+
          • 2...Kf8
            • 3.Qf6
              • threat
                • 4.Se6#
                • 4.Sh7#
      • 1...Kf6
        • 2.Sh7+
          • 2...Kg7
            • 3.Qg8+
              • 3...Kh6
                • 4.Qg6#
      • 1...Re4
        • 2.Qg8+
          • 2...Kf6
            • 3.Qf8
              • threat
                • 4.Sh7#
              • 3...Kxg5
                • 4.Qg7#
      • 1...Rb7
        • 2.Qxe5+
          • 2...Kf8
            • 3.Qf6
              • threat
                • 4.Se6#
                • 4.Sh7#
              • 3...Rxf7
                • 4.Qxf7#
      • 1...Bd4
        • 2.Qe7
          • threat
            • 3.Se6+
              • 3...Kh6
                • 4.Qxh4#
              • 3...Kh7
                • 4.Qxh4#
              • 3...Kh8
                • 4.Qxh4#
      • 1...Bb8
        • 2.Sh7
          • threat
            • 3.Qg8+
              • 3...Kh6
                • 4.Qg6#
          • 2...Kh6
            • 3.Qg8
              • threat
                • 4.Qg6#
          • 2...Kxh7
            • 3.Qg8+
              • 3...Kh6
                • 4.Qg6#
      • 1...Sd4
        • 2.Qxe5+
          • 2...Kf8
            • 3.Qf6
              • threat
                • 4.Sh7#
      • 1...d4
        • 2.Qe7
          • threat
            • 3.Se6+
              • 3...Kh6
                • 4.Qxh4#
              • 3...Kh7
                • 4.Qxh4#
              • 3...Kh8
                • 4.Qxh4#
      • 1...e4
        • 2.Qe5+
          • 2...Kf8
            • 3.Qf6
              • threat
                • 4.Se6#
                • 4.Sh7#

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).