Problem Display
PID: 133298 (1KB5/6p1/1p1P4/1p2k1B1/1N5P/1P3P2/5P2/8 w - - 0 1)

Traxler, Karel Peter

Zlata Praha, 1896

1KB5/6p1/1p1P4/1p2k1B1/1N5P/1P3P2/5P2/8

#4

9 + 4


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Keys
    • 1.d7!
      • threat
        • 2.d8Q
          • 2...g6
            • 3.Sd3#
            • 3.Sc6#
            • 3.Qf6#
            • 3.Qd5#
        • 2.d8R
          • 2...g6
            • 3.Sd3#
            • 3.Sc6#
            • 3.Rd5#
      • 1...Kd4
        • 2.Bd2
          • threat
            • 3.d8Q+
              • 3...Kc5
                • 4.Qd5#
              • 3...Ke5
                • 4.Sd3#
                • 4.Sc6#
          • 2...Kc5
            • 3.d8Q
              • threat
                • 4.Qd5#
            • 3.d8R
              • threat
                • 4.Rd5#
          • 2...Ke5
            • 3.d8Q
              • threat
                • 4.Sd3#
                • 4.Sc6#
      • 1...Kf5
        • 2.d8Q+
          • 2...Kg6
            • 3.Qg8
              • 3...Kh5
                • 4.Qh7#
      • 1...Ke6
        • 2.d8S+
          • 2...Ke5
            • 3.Sdc6+
              • 3...Kd6
                • 4.Be7#
          • 2...Kd6
            • 3.Sdc6
              • threat
                • 4.Be7#
              • 3...Kc5
                • 4.Be7#
      • 1...g6
        • 2.d8B
          • threat
            • 3.Bde7
              • 3...Kd4
                • 4.Bgf6#
          • 2...Kd4
            • 3.Bgf6+
              • 3...Kc5
                • 4.Bde7#
          • 2...Kd6
            • 3.Bgf6
              • threat
                • 4.Bde7#
              • 3...Kc5
                • 4.Bde7#

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).