Problem Display
PID: 236302 (6q1/3r2p1/1pp5/p2b2N1/4p3/3p4/p2N4/k1K2Q2 w - - 0 1)

Kraemer, Adolf Herrmann Rudolf Ferdinand

2nd HM., Schach-Express, 1950

6q1/3r2p1/1pp5/p2b2N1/4p3/3p4/p2N4/k1K2Q2

#4

4 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qg2!
      • threat
        • 2.Sb3+
          • 2...Bxb3
            • 3.Qb2#
      • 1...Bb3
        • 2.Sf7
          • threat
            • 3.Sxb3#
          • 2...Qxf7
            • 3.Qxg7+
              • 3...Qf6
                • 4.Sxb3#
              • 3...Qxg7
                • 4.Sxb3#
              • 3...Rd4
                • 4.Qxd4#
          • 2...Bxf7
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...Bd1
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...Bc2
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...Ba4
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...Bc4
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...Bd5
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...Be6
            • 3.Sb3+
              • 3...Bxb3
                • 4.Qb2#
          • 2...a4
            • 3.Sxb3+
              • 3...axb3
                • 4.Qb2#

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).