Problem Display
PID: 145440 (2Q5/3N1p2/3k4/8/2B5/8/4K3/8 w - - 0 1)

van Rey, Loek

Probleemblad, 2011

2Q5/3N1p2/3k4/8/2B5/8/4K3/8

#4

4 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Qd8!
      • 1...Kc6
        • 2.Sb8+
          • 2...Kc5
            • 3.Sa6+
              • 3...Kxc4
                • 4.Qd3#
              • 3...Kc6
                • 4.Qc7#
          • 2...Kb7
            • 3.Bd5+
              • 3...Ka7
                • 4.Qc7#
      • 1...f5
        • 2.Sb8+
          • 2...Kc5
            • 3.Sa6+
              • 3...Kxc4
                • 4.Qd3#
              • 3...Kc6
                • 4.Qc7#
          • 2...Ke5
            • 3.Sc6+
              • 3...Ke4
                • 4.Qd4#
              • 3...Kf4
                • 4.Qh4#
      • 1...f6
        • 2.Bb5
          • 2...Kd5
            • 3.Qxf6
              • 3...Ke4
                • 4.Bc6#
                • 4.Qe5#
          • 2...Ke6
            • 3.Qxf6+
              • 3...Kd5
                • 4.Qe5#
          • 2...f5
            • 3.Qe8
              • threat
                • 4.Qe5#
              • 3...Kd5
                • 4.Qe5#
              • 3...Kc7
                • 4.Qb8#

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).