Problem Display
PID: 215859 (8/kp6/3KR3/1P6/8/8/3p4/8 w - - 0 1)

Richter, Frantisek

Source?, 1939

8/kp6/3KR3/1P6/8/8/3p4/8

#5

3 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kc7!
      • threat
        • 2.Re2
          • threat
            • 3.Rxd2
              • threat
                • 4.Ra2#
              • 3...Ka8
                • 4.Ra2#
          • 2...Ka8
            • 3.Rxd2
              • threat
                • 4.Ra2#
              • 3...Ka7
                • 4.Ra2#
          • 2...d1Q
            • 3.Ra2+
              • 3...Qa4
                • 4.Rxa4#
          • 2...d1B
            • 3.Ra2+
              • 3...Ba4
                • 4.Rxa4#
          • 2...b6
            • 3.Rxd2
              • 3...Ka8
                • 4.Ra2#
        • 2.Re3
          • threat
            • 3.Ra3#
          • 2...d1Q
            • 3.Ra3+
              • 3...Qa4
                • 4.Rxa4#
          • 2...d1B
            • 3.Ra3+
              • 3...Ba4
                • 4.Rxa4#
        • 2.Rd6
          • threat
            • 3.Rxd2
              • threat
                • 4.Ra2#
              • 3...Ka8
                • 4.Ra2#
          • 2...Ka8
            • 3.Rxd2
              • threat
                • 4.Ra2#
              • 3...Ka7
                • 4.Ra2#
          • 2...d1Q
            • 3.Rxd1
              • threat
                • 4.Ra1#
              • 3...Ka8
                • 4.Ra1#
          • 2...d1S
            • 3.Rxd1
              • threat
                • 4.Ra1#
              • 3...Ka8
                • 4.Ra1#
          • 2...d1B
            • 3.Rxd1
              • threat
                • 4.Ra1#
              • 3...Ka8
                • 4.Ra1#
          • 2...d1R
            • 3.Rxd1
              • threat
                • 4.Ra1#
              • 3...Ka8
                • 4.Ra1#
          • 2...b6
            • 3.Rxd2
              • 3...Ka8
                • 4.Ra2#
            • 3.Rxb6
              • threat
                • 4.Ra6#
              • 3...Ka8
                • 4.Ra6#
      • 1...d1Q
        • 2.Ra6+
          • 2...bxa6
            • 3.b6+
              • 3...Ka8
                • 4.b7+
                  • 4...Ka7
                    • 5.b8Q#
      • 1...d1R
        • 2.Ra6+
          • 2...bxa6
            • 3.b6+
              • 3...Ka8
                • 4.b7+
                  • 4...Ka7
                    • 5.b8Q#

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).