Problem Display
PID: 218904 (4n3/1Rp2b2/4p3/2p1p3/3R1p2/2NP1p2/q4P2/k2K4 w - - 0 1)

Voronov, Anatoly Petrovich

Sachove umeni (Ceskoslovensky sach), 1987

4n3/1Rp2b2/4p3/2p1p3/3R1p2/2NP1p2/q4P2/k2K4

#5

6 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rd8!
      • threat
        • 2.Ra8
          • threat
            • 3.Rb1#
            • 3.Rxa2#
          • 2...Qa4+
            • 3.Rxa4#
      • 1...Qa4+
        • 2.Kd2
          • threat
            • 3.Rb1#
          • 2...Qa2+
            • 3.Ke1
              • threat
                • 4.Ra8
                  • threat
                    • 5.Rb1#
                    • 5.Rxa2#
              • 3...Qd2+
                • 4.Kxd2
                  • threat
                    • 5.Rb1#
                    • 5.Ra8#
              • 3...Qe2+
                • 4.Sxe2
                  • threat
                    • 5.Ra8#
                  • 4...Ka2
                    • 5.Ra8#
              • 3...Qxf2+
                • 4.Kxf2
                  • threat
                    • 5.Rb1#
                    • 5.Ra8#
              • 3...Qb3
                • 4.Rxb3
                  • threat
                    • 5.Rb1#
                    • 5.Ra8#
              • 3...Qb2
                • 4.Ra8+
                  • 4...Qa3
                    • 5.Rb1#
                    • 5.Rxa3#
                  • 4...Qa2
                    • 5.Rb1#
                    • 5.Rxa2#
              • 3...Qc2
                • 4.Ra8+
                  • 4...Qa4
                    • 5.Rb1#
                    • 5.Rxa4#
                  • 4...Qa2
                    • 5.Rb1#
                    • 5.Rxa2#
          • 2...Qb4
            • 3.Rxb4
              • threat
                • 4.Rb1#
                • 4.Ra8#
              • 3...cxb4
                • 4.Kc1
                  • threat
                    • 5.Ra8#

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).