Problem Display
PID: 35163 (Kn1Bk1b1/7p/2p1p3/Q6P/8/p4N2/8/2b2r2 w - - 0 1)

Sladek, Gerald

Schach-Echo, 1957

Kn1Bk1b1/7p/2p1p3/Q6P/8/p4N2/8/2b2r2

#4

5 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bh4!
      • threat
        • 2.Qd8+
          • 2...Kf7
            • 3.Qe7#
      • 1...Kf7
        • 2.Qc7+
          • 2...Sd7
            • 3.Qxd7+
              • 3...Kf8
                • 4.Qe7#
        • 2.Qa7+
          • 2...Sd7
            • 3.Qxd7+
              • 3...Kf8
                • 4.Qe7#
        • 2.Qd8
          • threat
            • 3.Qe7#
          • 2...Bg5
            • 3.Bxg5
              • threat
                • 4.Qe7#
              • 3...Kg7
                • 4.Qf6#
            • 3.Qxg5
              • threat
                • 4.Qe7#
              • 3...Ke8
                • 4.Qe7#
              • 3...Kf8
                • 4.Qe7#
      • 1...Rd1
        • 2.Sd2
          • threat
            • 3.Qd8+
              • 3...Kf7
                • 4.Qe7#
            • 3.Qg5
              • threat
                • 4.Qe7#
              • 3...Kd7
                • 4.Qd8#
              • 3...Kf7
                • 4.Qe7#
              • 3...Kf8
                • 4.Qe7#
          • 2...Kf7
            • 3.Qd8
              • threat
                • 4.Qe7#
              • 3...Kg7
                • 4.Qf6#
            • 3.Qg5
              • threat
                • 4.Qe7#
              • 3...Ke8
                • 4.Qe7#
              • 3...Kf8
                • 4.Qe7#
          • 2...Kf8
            • 3.Qd8+
              • 3...Kf7
                • 4.Qe7#
              • 3...Kg7
                • 4.Qf6#
          • 2...Rxd2
            • 3.Qg5
              • threat
                • 4.Qe7#
              • 3...Kd7
                • 4.Qd8#
              • 3...Kf7
                • 4.Qe7#
              • 3...Kf8
                • 4.Qe7#
              • 3...Rd7
                • 4.Qxg8#

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).