Problem Display
PID: 270198 (k1K5/r7/8/8/1Pp2p2/6p1/R5Rp/7n w - - 0 1)

Kozdon, Baldur

Probleemblad, 2020

k1K5/r7/8/8/1Pp2p2/6p1/R5Rp/7n

#5

4 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Rge2!
      • threat
        • 2.b5
          • threat
            • 3.b6
              • threat
                • 4.Rxa7#
                • 4.b7#
              • 3...Rxa2
                • 4.Rxa2#
              • 3...Ra3
                • 4.Rxa3#
              • 3...Ra4
                • 4.Rxa4#
              • 3...Ra5
                • 4.Rxa5#
              • 3...Ra6
                • 4.Rxa6#
      • 1...Sf2
        • 2.Rxa7+
          • 2...Kxa7
            • 3.Kc7
              • threat
                • 4.Ra2#
              • 3...Ka6
                • 4.Re5
                  • threat
                    • 5.Ra5#
                  • 4...Ka7
                    • 5.Ra5#
      • 1...g2
        • 2.Rxa7+
          • 2...Kxa7
            • 3.Kc7
              • threat
                • 4.Ra2#
              • 3...Ka6
                • 4.Re5
                  • threat
                    • 5.Ra5#
                  • 4...Ka7
                    • 5.Ra5#
      • 1...c3
        • 2.b5
          • threat
            • 3.b6
              • threat
                • 4.Rxa7#
                • 4.b7#
              • 3...Rxa2
                • 4.Rxa2#
              • 3...Ra3
                • 4.Rxa3#
              • 3...Ra4
                • 4.Rxa4#
              • 3...Ra5
                • 4.Rxa5#
              • 3...Ra6
                • 4.Rxa6#
          • 2...c2
            • 3.Rexc2
              • threat
                • 4.b6
                  • threat
                    • 5.Rxa7#
                    • 5.b7#
                  • 4...Rxa2
                    • 5.Rxa2#
                  • 4...Ra3
                    • 5.Rxa3#
                  • 4...Ra4
                    • 5.Rxa4#
                  • 4...Ra5
                    • 5.Rxa5#
                  • 4...Ra6
                    • 5.Rxa6#
      • 1...f3
        • 2.Rxa7+
          • 2...Kxa7
            • 3.Re6
              • threat
                • 4.b5
                  • threat
                    • 5.Ra6#
                  • 4...Ka8
                    • 5.Ra6#

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).