Problem Display
PID: 230533 (2k1K2n/1pB1Ppp1/1P4p1/1P1p4/8/8/2P1Bp2/4bR2 w - - 0 1)

Volkmann, Albert

Die Schwalbe, 1935

2k1K2n/1pB1Ppp1/1P4p1/1P1p4/8/8/2P1Bp2/4bR2

#4

8 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.c3!
      • threat
        • 2.Kf8
          • threat
            • 3.e8Q#
          • 2...Kd7
            • 3.e8Q#
      • 1...Bxc3
        • 2.Ra1
          • threat
            • 3.Ra8#
          • 2...Bxa1
            • 3.Kf8
              • threat
                • 4.e8Q#
              • 3...Kd7
                • 4.e8Q#
              • 3...Bf6
                • 4.Bg4#
          • 2...Ba5
            • 3.Rxa5
              • threat
                • 4.Ra8#
      • 1...f5
        • 2.Kf8
          • threat
            • 3.e8Q#
          • 2...Sf7
            • 3.e8Q+
              • 3...Sd8
                • 4.Qxd8#
            • 3.Kxf7
              • threat
                • 4.e8Q#
              • 3...Kd7
                • 4.e8Q#
        • 2.Bf3
          • threat
            • 3.Bxd5
              • threat
                • 4.Be6#
          • 2...Sf7
            • 3.Kxf7
              • threat
                • 4.e8Q#
              • 3...Kd7
                • 4.e8Q#
          • 2...d4
            • 3.Bd5
              • threat
                • 4.Be6#
      • 1...f6
        • 2.Kf8
          • threat
            • 3.e8Q#
          • 2...Sf7
            • 3.e8Q+
              • 3...Sd8
                • 4.Qxd8#
            • 3.Kxf7
              • threat
                • 4.e8Q#
              • 3...Kd7
                • 4.e8Q#
        • 2.Bf3
          • threat
            • 3.Bxd5
              • threat
                • 4.Be6#
          • 2...Sf7
            • 3.Kxf7
              • threat
                • 4.e8Q#
              • 3...Kd7
                • 4.e8Q#
          • 2...d4
            • 3.Bd5
              • threat
                • 4.Be6#

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).