Problem Display
PID: 218104 (k3r3/1p5B/1P6/6Q1/8/7K/8/8 w - - 0 1)

Kos, Ivan

St. Petersburger Zeitung, 1895

k3r3/1p5B/1P6/6Q1/8/7K/8/8

#4

4 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qd2!
      • 1...Kb8
        • 2.Qf4+
          • 2...Ka8
            • 3.Qa4+
              • 3...Kb8
                • 4.Qxe8#
          • 2...Re5
            • 3.Qxe5+
              • 3...Ka8
                • 4.Qh8#
                • 4.Qe8#
              • 3...Kc8
                • 4.Qc7#
                • 4.Qe8#
            • 3.Qf8+
              • 3...Re8
                • 4.Qxe8#
      • 1...Rf8
        • 2.Qd1
          • 2...Rf3+
            • 3.Qxf3
              • 3...Kb8
                • 4.Qf8#
          • 2...Kb8
            • 3.Qd6+
              • 3...Ka8
                • 4.Qxf8#
              • 3...Kc8
                • 4.Qc7#
          • 2...Rc8
            • 3.Qa4+
              • 3...Kb8
                • 4.Qa7#
            • 3.Qa1+
              • 3...Kb8
                • 4.Qa7#
          • 2...Re8
            • 3.Qa4+
              • 3...Kb8
                • 4.Qxe8#
          • 2...Rg8
            • 3.Bxg8
              • 3...Kb8
                • 4.Qd8#
          • 2...Rh8
            • 3.Qa1+
              • 3...Kb8
                • 4.Qxh8#
      • 1...Rh8
        • 2.Qa5+
          • 2...Kb8
            • 3.Qe5+
              • 3...Ka8
                • 4.Qxh8#
              • 3...Kc8
                • 4.Qc7#

This is a version of 19801

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).