Problem Display
PID: 269340 (8/6K1/3P2Q1/5p2/1N2k3/6B1/8/8 w - - 0 1)

Petrasinovic, Petrasin

SuperProblem, 2023

8/6K1/3P2Q1/5p2/1N2k3/6B1/8/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Be1!
      • 1...Ke3
        • 2.Qxf5
          • 2...Ke2
            • 3.Qf2+
              • 3...Kd1
                • 4.Qd2#
          • 2...Kd4
            • 3.Bd2
              • 3...Kc4
                • 4.Qd5#
      • 1...Kf3
        • 2.Qg3+
          • 2...Ke2
            • 3.Qf2+
              • 3...Kd1
                • 4.Qd2#
          • 2...Ke4
            • 3.Bc3
              • 3...f4
                • 4.Qd3#
      • 1...Kd4
        • 2.Qe6
          • 2...Kc5
            • 3.Qd5+
              • 3...Kb6
                • 4.Bf2#
          • 2...f4
            • 3.Qd5+
              • 3...Ke3
                • 4.Qd3#
      • 1...Kf4
        • 2.Qg3+
          • 2...Ke4
            • 3.Bc3
              • 3...f4
                • 4.Qd3#
      • 1...Ke5
        • 2.Bd2
          • 2...Kd4
            • 3.Qxf5
              • 3...Kc4
                • 4.Qd5#
          • 2...Ke4
            • 3.Qg2+
              • 3...Kd4
                • 4.Qd5#
              • 3...Ke5
                • 4.Qd5#

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).