Problem Display
PID: 236745 (5K2/3R1R2/B2N3Q/b7/b2B3p/1p4pq/2p1npn1/2rkr3 w - - 0 1)

Fedorin, V

1/2 Prize, 64 Shakhmatnoe obozrenie, 1980

5K2/3R1R2/B2N3Q/b7/b2B3p/1p4pq/2p1npn1/2rkr3

#5

7 + 13


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qd2#
      • 1...Bxc3
        • 2.Sc4+
          • 2...Qxd7
            • 3.Rxd7+
              • 3...Bxd7
                • 4.Qd2+
                  • 4...Bxd2
                    • 5.Sb2#
              • 3...Sd4
                • 4.Qd2+
                  • 4...Bxd2
                    • 5.Sb2#
        • 2.Sb5+
          • 2...Qxd7
            • 3.Rxd7+
              • 3...Bd4
                • 4.Sc3+
                  • 4...Sxc3
                    • 5.Rxd4#
                • 4.Rxd4+
                  • 4...Sxd4
                    • 5.Sc3#
      • 1...Sxc3
        • 2.Se4+
          • 2...Qxd7
            • 3.Rxd7+
              • 3...Sd5
                • 4.Rxd5+
                  • 4...Bd2
                    • 5.Sc3#
                    • 5.Rxd2#
                    • 5.Qxd2#
                • 4.Qh5+
                  • 4...Re2
                    • 5.Qxe2#
        • 2.Sf5+
          • 2...Bxd7
            • 3.Rxd7+
              • 3...Sd5
                • 4.Rxd5+
                  • 4...Bd2
                    • 5.Rxd2#
                    • 5.Qxd2#

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).