Problem Display
PID: 186916 (7n/2p2p2/5Kp1/5p2/8/1p1QP3/kp6/bN6 w - - 0 1)

Hynonen, Veikko August

Suomen Shakki, 1981

7n/2p2p2/5Kp1/5p2/8/1p1QP3/kp6/bN6

#4

4 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Kg7!
      • 1...f4
        • 2.Qe4
          • threat
            • 3.Sc3+
              • 3...Ka3
                • 4.Qa4#
      • 1...g5
        • 2.Qxf5
          • threat
            • 3.Sc3+
              • 3...Ka3
                • 4.Qa5#
                • 4.Qc5#
          • 2...c5
            • 3.Sc3+
              • 3...Ka3
                • 4.Qxc5#
      • 1...c5
        • 2.Sc3+
          • 2...Ka3
            • 3.Qa6+
              • 3...Kb4
                • 4.Sd5#
      • 1...c6
        • 2.Sc3+
          • 2...Ka3
            • 3.Qd6+
              • 3...c5
                • 4.Qxc5#
      • 1...f6
        • 2.Sd2
          • threat
            • 3.Qa6#
            • 3.Qxb3#
          • 2...b1Q
            • 3.Qxb1+
              • 3...Ka3
                • 4.Qxb3#
          • 2...b1R
            • 3.Qxb1+
              • 3...Ka3
                • 4.Qxb3#

This is a version of 26302

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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).