Problem Display
PID: 46712 (2K5/8/8/Q3P2p/3k3N/b7/8/5B2 w - - 0 1)

Bantysh, Nikolai Ivanovich

The Problemist, 2003

2K5/8/8/Q3P2p/3k3N/b7/8/5B2

#4

5 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qd2+
          • 2...Ke4
            • 3.Qd3#
          • 2...Kc5
            • 3.Qd6#
      • 1...Ke3
        • 2.Qe1+
          • 2...Kf3
            • 3.Qe2+
              • 3...Kg3
                • 4.Qg2#
          • 2...Kd4
            • 3.Qd2+
              • 3...Ke4
                • 4.Qd3#
              • 3...Kc5
                • 4.Qd6#
      • 1...Ke4
        • 2.Qd2
          • threat
            • 3.Qd3#
          • 2...Kf5
            • 3.Bd3+
              • 3...Kg4
                • 4.Qg2#
              • 3...Ke6
                • 4.Qa2#
      • 1...Be7
        • 2.Qd2+
          • 2...Kc5
            • 3.Qc3+
              • 3...Kd5
                • 4.Qc4#
              • 3...Kb6
                • 4.Qc7#
      • 1...Bf8
        • 2.Qd2+
          • 2...Kc5
            • 3.Qc3+
              • 3...Kd5
                • 4.Qc4#
              • 3...Kb6
                • 4.Qc7#

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).