Problem Display
PID: 49220 (k7/b1Q2K2/8/7B/5p2/8/5r2/8 w - - 0 1)

Kraemer, Adolf Herrmann Rudolf Ferdinand

Schweizerische Schachzeitung, 1949

k7/b1Q2K2/8/7B/5p2/8/5r2/8

#4

3 + 4


461 Schach-Express 1949

SOLUTION


  • SOUND
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qc6+
          • 2...Kb8
            • 3.Qc8#
      • 1...Be3
        • 2.Bf5
          • threat
            • 3.Be4#
          • 2...Rb2
            • 3.Be4+
              • 3...Rb7
                • 4.Qxb7#
          • 2...Rc2
            • 3.Be4+
              • 3...Rc6
                • 4.Bxc6#
            • 3.Bxc2
              • threat
                • 4.Be4#
          • 2...Rd2
            • 3.Be4+
              • 3...Rd5
                • 4.Bxd5#
      • 1...Bd4
        • 2.Be6
          • threat
            • 3.Bd5#
          • 2...Rb2
            • 3.Bd5+
              • 3...Rb7
                • 4.Qxb7#
          • 2...Rc2
            • 3.Bd5+
              • 3...Rc6
                • 4.Bxc6#
      • 1...Bc5
        • 2.Bd7
          • threat
            • 3.Bc6#
          • 2...Rb2
            • 3.Bc6+
              • 3...Rb7
                • 4.Qxb7#
      • 1...Bb6
        • 2.Qc6+
          • 2...Ka7
            • 3.Bc8
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
          • 2...Kb8
            • 3.Bc8
              • threat
                • 4.Qb7#
              • 3...Ka7
                • 4.Qb7#
      • 1...Bb8
        • 2.Qc6+
          • 2...Ka7
            • 3.Bc8
              • threat
                • 4.Qb7#
                • 4.Qa6#

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).