Problem Display
PID: 20813 (6R1/4knRp/p4N1n/P1P1P3/bP2pp2/P4P2/B1p1P3/2B4K w - - 0 1)

Vladimirov, Yakov Georgevich

1st HM., diagrammes, 1990

6R1/4knRp/p4N1n/P1P1P3/bP2pp2/P4P2/B1p1P3/2B4K

#5

13 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rb8!
      • threat
        • 2.b5
          • threat
            • 3.Re8#
          • 2...Bxb5
            • 3.c6
              • threat
                • 4.Re8#
              • 3...Bxc6
                • 4.a4
                  • threat
                    • 5.Ba3#
                  • 4...Bd5
                    • 5.Re8#
                  • 4...Sf5
                    • 5.Rxf7#
      • 1...exf3
        • 2.Bd5
          • threat
            • 3.Sg8+
              • 3...Kd7
                • 4.e6+
                  • 4...Kc7
                    • 5.Bxf4#
      • 1...Bb5
        • 2.a4
          • threat
            • 3.axb5
              • threat
                • 4.Re8#
          • 2...Bxa4
            • 3.b5
              • threat
                • 4.Re8#
              • 3...Bxb5
                • 4.c6
                  • threat
                    • 5.Ba3#
                    • 5.Re8#
          • 2...Bc6
            • 3.Sg8+
              • 3...Kd7
                • 4.e6+
                  • 4...Kc7
                    • 5.Bxf4#
      • 1...e3
        • 2.c6
          • threat
            • 3.Re8#
          • 2...Bxc6
            • 3.a4
              • 3...Bxf3+
                • 4.exf3
                  • threat
                    • 5.Re8#
              • 3...Bxa4
                • 4.b5
                  • threat
                    • 5.Ba3#
                    • 5.Re8#
              • 3...Bb5
                • 4.axb5
                  • threat
                    • 5.Re8#
              • 3...Bd7
                • 4.Sg8+
                  • 4...Sxg8
                    • 5.Rxf7#
                • 4.Rxf7+
                  • 4...Sxf7
                    • 5.Sg8#

FEATURES


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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).