Problem Display
PID: 246199 (3RK3/B1N1pp2/P1k1P3/1N6/2p1b3/2p1P1p1/7b/5r2 w - - 0 1)

Schulz, Friedrich Valentin

Die Schwalbe, 1955

3RK3/B1N1pp2/P1k1P3/1N6/2p1b3/2p1P1p1/7b/5r2

#4

8 + 9


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rxc4#
      • 1...Bd3
        • 2.Kd8
          • threat
            • 3.Rd6+
              • 3...exd6
                • 4.Sd4#
            • 3.Rd5
              • threat
                • 4.Sd4#
                • 4.Rc5#
          • 2...Rf4
            • 3.Rd5
              • threat
                • 4.Rc5#
              • 3...Rd4
                • 4.Sxd4#
              • 3...Rf5
                • 4.Sd4#
          • 2...g2
            • 3.Rd6+
              • 3...Bxd6
                • 4.Sd4#
              • 3...exd6
                • 4.Sd4#
        • 2.Rd7
          • threat
            • 3.Sd4#
          • 2...Rf4
            • 3.Kxe7
              • threat
                • 4.Rd6#
              • 3...Rd4
                • 4.Sxd4#
      • 1...Bd5
        • 2.Rxd5
          • threat
            • 3.Rc5#
          • 2...Rf5
            • 3.Rxf5
              • threat
                • 4.Rc5#

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).