Problem Display
PID: 269376 (8/1N6/8/4k3/7p/7Q/1KP5/4B3 w - - 0 1)

Petrasinovic, Petrasin

Shakhmatnaya Poeziya, 2006

8/1N6/8/4k3/7p/7Q/1KP5/4B3

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sd8!
      • 1...Kd4
        • 2.Qe6
          • threat
            • 3.Bf2#
          • 2...Kc5
            • 3.Bc3
              • threat
                • 4.Qc6#
              • 3...Kb5
                • 4.Qc6#
      • 1...Ke4
        • 2.Bc3
          • 2...Kf4
            • 3.Se6+
              • 3...Ke4
                • 4.Qd3#
          • 2...Kd5
            • 3.Qe6+
              • 3...Kc5
                • 4.Qc6#
      • 1...Kf4
        • 2.Bd2+
          • 2...Ke4
            • 3.Be3
              • 3...Kd5
                • 4.Qe6#
              • 3...Ke5
                • 4.Qe6#
          • 2...Ke5
            • 3.Qe6+
              • 3...Kd4
                • 4.Be3#
      • 1...Kd5
        • 2.Qe6+
          • 2...Kc5
            • 3.Bc3
              • threat
                • 4.Qc6#
              • 3...Kb5
                • 4.Qc6#
      • 1...Kd6
        • 2.Qe6+
          • 2...Kc5
            • 3.Bc3
              • threat
                • 4.Qc6#
              • 3...Kb5
                • 4.Qc6#
          • 2...Kc7
            • 3.Qc6+
              • 3...Kb8
                • 4.Qb7#
              • 3...Kxd8
                • 4.Bxh4#
      • 1...Kf6
        • 2.Qe6+
          • 2...Kg5
            • 3.Bd2+
              • 3...Kh5
                • 4.Qf5#
          • 2...Kg7
            • 3.Qf7+
              • 3...Kh6
                • 4.Bd2#
              • 3...Kh8
                • 4.Bc3#

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).