Problem Display
PID: 252015 (4R2K/rpk2N1P/1p1p1p1B/pB1Pbp2/3p4/Q2p4/4rq2/6n1 w - - 0 1)

Baumgarten, Ernst

Schach, 1964

4R2K/rpk2N1P/1p1p1p1B/pB1Pbp2/3p4/Q2p4/4rq2/6n1

#4

8 + 14


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bd2!
      • threat
        • 2.Qc1#
      • 1...Qe1
        • 2.Qxd3
          • threat
            • 3.Qc2#
            • 3.Qc4#
          • 2...Qc1
            • 3.Bxc1
              • threat
                • 4.Qc4#
              • 3...Rc2
                • 4.Qxc2#
            • 3.Qxf5
              • threat
                • 4.Rc8#
                • 4.Qd7#
                • 4.Qc8#
      • 1...Qf1
        • 2.Bb4
          • threat
            • 3.Bxd6+
              • 3...Bxd6
                • 4.Qxd6#
          • 2...axb4
            • 3.Qxa7
              • threat
                • 4.Qb8#
          • 2...Qf4
            • 3.Sd8
              • threat
                • 4.Se6#
              • 3...Kb8
                • 4.Se6#
              • 3...Kc8
                • 4.Se6#
          • 2...Bh2
            • 3.Bxd6+
              • 3...Bxd6
                • 4.Qxd6#
          • 2...Bg3
            • 3.Bxd6+
              • 3...Bxd6
                • 4.Qxd6#
          • 2...Bf4
            • 3.Bxd6+
              • 3...Bxd6
                • 4.Qxd6#
      • 1...Re1
        • 2.Sd8
          • threat
            • 3.Se6#
          • 2...Bh2
            • 3.Se6+
              • 3...Rxe6
                • 4.Qc1#
            • 3.Qc1+
              • 3...Kb8
                • 4.Se6#
              • 3...Rxc1
                • 4.Se6#
          • 2...Bg3
            • 3.Se6+
              • 3...Rxe6
                • 4.Qc1#
            • 3.Qc1+
              • 3...Kb8
                • 4.Se6#
              • 3...Rxc1
                • 4.Se6#
          • 2...Bf4
            • 3.Se6+
              • 3...Rxe6
                • 4.Qc1#
            • 3.Qc1+
              • 3...Kb8
                • 4.Se6#
              • 3...Rxc1
                • 4.Se6#

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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).