Problem Display
PID: 217998 (2b4B/8/7R/3pp2P/3k3b/1pR2B2/1K6/8 w - - 0 1)

Kovalev, SM

Schach, 1983

2b4B/8/7R/3pp2P/3k3b/1pR2B2/1K6/8

#5

6 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rd6!
      • threat
        • 2.Rxd5#
      • 1...Bb7
        • 2.Re6
          • threat
            • 3.Bxe5#
          • 2...Bg3
            • 3.Rb6
              • threat
                • 4.Rb4#
              • 3...Ba6
                • 4.Rxa6
                  • threat
                    • 5.Ra4#
        • 2.Rf6
          • threat
            • 3.Rf4#
          • 2...Bxf6
            • 3.Bxf6
              • threat
                • 4.Bh4
                  • threat
                    • 5.Bf2#
                  • 4...e4
                    • 5.Bf6#
                • 4.Bg5
                  • threat
                    • 5.Be3#
                  • 4...e4
                    • 5.Bf6#
                • 4.Be7
                  • threat
                    • 5.Bc5#
                  • 4...e4
                    • 5.Bf6#
                • 4.Bd8
                  • threat
                    • 5.Bb6#
                  • 4...e4
                    • 5.Bf6#
          • 2...Bg3
            • 3.Rb6
              • threat
                • 4.Rb4#
              • 3...Ba6
                • 4.Rxa6
                  • threat
                    • 5.Ra4#
          • 2...Bg5
            • 3.Rf5
              • threat
                • 4.Bxe5#
              • 3...Bc1+
                • 4.Kxb3
                  • threat
                    • 5.Bxe5#
                  • 4...Bf4
                    • 5.Rxf4#
              • 3...Bf6
                • 4.Rf4+
                  • 4...exf4
                    • 5.Bxf6#
                  • 4...e4
                    • 5.Bxf6#
                • 4.Bxf6
                  • threat
                    • 5.Bxe5#
                    • 5.Rf4#
                • 4.Rxf6
                  • threat
                    • 5.Rf4#
        • 2.Rg6
          • threat
            • 3.Rg4#
          • 2...Bc8
            • 3.Rg1
              • threat
                • 4.Rd1#
              • 3...Be1
                • 4.Rxe1
                  • threat
                    • 5.Bxe5#
                    • 5.Rd1#
              • 3...Bg5
                • 4.Rd1+
                  • 4...Bd2
                    • 5.Rxd2#
              • 3...Bf5
                • 4.Rd1+
                  • 4...Bd3
                    • 5.Rdxd3#

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).