Problem Display
PID: 200453 (1K6/8/4B3/4kp2/Q4N2/8/8/8 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2000

1K6/8/4B3/4kp2/Q4N2/8/8/8

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Bg8!
      • 1...Kd6
        • 2.Sg6
          • threat
            • 3.Qb5
              • 3...f4
                • 4.Qd5#
          • 2...Kc5
            • 3.Kc7
              • 3...f4
                • 4.Qc4#
          • 2...f4
            • 3.Qb5
              • 3...f3
                • 4.Qd5#
      • 1...Kf6
        • 2.Se6
          • threat
            • 3.Qh4+
              • 3...Ke5
                • 4.Qd4#
              • 3...Kg6
                • 4.Qg5#
          • 2...Kg6
            • 3.Qh4
              • 3...f4
                • 4.Qg5#
          • 2...Ke7
            • 3.Qd4
              • threat
                • 4.Qd8#
              • 3...Ke8
                • 4.Qd8#
          • 2...f4
            • 3.Qa5
              • threat
                • 4.Qg5#
              • 3...Kg6
                • 4.Qg5#
              • 3...Ke7
                • 4.Qd8#

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).