Problem Display
PID: 87044 (2k5/1p1p1p2/pQ6/2pp3P/6p1/K2RP1r1/4PPr1/7b w - - 0 1)

Lyubashevsky, Leonid Abramovic

Tkachenko, Sergiy Ivanovich

Magyar Sakkelet, 1990

2k5/1p1p1p2/pQ6/2pp3P/6p1/K2RP1r1/4PPr1/7b

#5

7 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qxc5+
          • 2...Kb8
            • 3.Qd6+
              • 3...Ka7
                • 4.Qb6+
                  • 4...Ka8
                    • 5.Qxb7#
                  • 4...Kb8
                    • 5.Qxb7#
                • 4.Qxd7
                  • threat
                    • 5.Qxb7#
                  • 4...Ka8
                    • 5.Qxb7#
                  • 4...Kb8
                    • 5.Qxb7#
                • 4.Qc7
                  • threat
                    • 5.Qxb7#
                  • 4...Ka8
                    • 5.Qxb7#
              • 3...Ka8
                • 4.Qb6
                  • threat
                    • 5.Qxb7#
                  • 4...Kb8
                    • 5.Qxb7#
              • 3...Kc8
                • 4.Rc3+
                  • 4...Kd8
                    • 5.Qf8#
          • 2...Kd8
            • 3.Qf8+
              • 3...Kc7
                • 4.Rc3+
                  • 4...Kb6
                    • 5.Qc5#
        • 2.Qxb7+
          • 2...Kd8
            • 3.Qb8+
              • 3...Ke7
                • 4.Qe5+
                  • 4...Kd8
                    • 5.Rb8#
                  • 4...Kf8
                    • 5.Rb8#
      • 1...Rxe3
        • 2.Qxb7+
          • 2...Kd8
            • 3.Qb8+
              • 3...Ke7
                • 4.Rxe3+
                  • 4...Kf6
                    • 5.Qe5#
      • 1...d6
        • 2.Qxb7+
          • 2...Kd8
            • 3.Qa7
              • threat
                • 4.Rb8#
              • 3...Rxe3
                • 4.fxe3
                  • threat
                    • 5.Rb8#
                  • 4...Kc8
                    • 5.Rb8#
                  • 4...Ke8
                    • 5.Rb8#

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).