Problem Display
PID: 170804 (8/K3p2p/7p/1N1pP3/3P3p/1p5P/kp6/rn1Q4 w - - 0 1)

Moller, Ferdinand Friedrich

Basler Nachrichten, 1924

8/K3p2p/7p/1N1pP3/3P3p/1p5P/kp6/rn1Q4

#4

6 + 10


6490 yacpdb 2018

SOLUTION


  • COOKED
  • Keys
    • 1.Qf1!
      • 1...Sd2
        • 2.Sc3+
          • 2...Ka3
            • 3.Qa6+
              • 3...Kb4
                • 4.Sxd5#
      • 1...Sc3
        • 2.Sxc3+
          • 2...Ka3
            • 3.Qa6+
              • 3...Kb4
                • 4.Sxd5#
      • 1...h5
        • 2.Qf8
          • 2...Sd2
            • 3.Sc3+
              • 3...Ka3
                • 4.Qxe7#
          • 2...Sc3
            • 3.Sxc3+
              • 3...Ka3
                • 4.Qxe7#
          • 2...e6
            • 3.Qa3+
              • 3...Sxa3
                • 4.Sc3#
          • 2...h6
            • 3.Qxe7
              • 3...Sd2
                • 4.Sc3#
              • 3...Sa3
                • 4.Sc3#
              • 3...Sc3
                • 4.Sxc3#
      • 1...e6
        • 2.Qf8
          • threat
            • 3.Qa3+
              • 3...Sxa3
                • 4.Sc3#
    • 1.Qd3!
      • 1...Sd2
        • 2.Sc3+
          • 2...Ka3
            • 3.Qa6+
              • 3...Kb4
                • 4.Sxd5#
      • 1...Sc3
        • 2.Sxc3+
          • 2...Ka3
            • 3.Qa6+
              • 3...Kb4
                • 4.Sxd5#
      • 1...h5
        • 2.Qxh7
          • threat
            • 3.Qxe7
              • 3...Sd2
                • 4.Sc3#
              • 3...Sa3
                • 4.Sc3#
              • 3...Sc3
                • 4.Sxc3#
          • 2...Sd2
            • 3.Sc3+
              • 3...Ka3
                • 4.Qxe7#
          • 2...Sc3
            • 3.Sxc3+
              • 3...Ka3
                • 4.Qxe7#
          • 2...e6
            • 3.Qe7
              • 3...Sd2
                • 4.Sc3#
              • 3...Sa3
                • 4.Sc3#
              • 3...Sc3
                • 4.Sxc3#
      • 1...e6
        • 2.Qxh7
          • 2...Sd2
            • 3.Sc3+
              • 3...Ka3
                • 4.Qe7#
          • 2...Sc3
            • 3.Sxc3+
              • 3...Ka3
                • 4.Qe7#
          • 2...h5
            • 3.Qe7
              • 3...Sd2
                • 4.Sc3#
              • 3...Sa3
                • 4.Sc3#
              • 3...Sc3
                • 4.Sxc3#

FEATURES


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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).