Problem Display
PID: 136029 (6K1/2RR1N2/ppnpkpp1/q1bp1p2/2r3r1/6N1/3p4/3QnB2 w - - 0 1)

Bulavka, Aleksandr

Gordian, Yury Markovic

Mat Plus, 2009

6K1/2RR1N2/ppnpkpp1/q1bp1p2/2r3r1/6N1/3p4/3QnB2

#4

7 + 15


SOLUTION


  • SOUND
  • Keys
    • 1.Se2!
      • threat
        • 2.Sd8+
          • 2...Ke5
            • 3.Re7+
              • 3...Sxe7+
                • 4.Rxe7#
      • 1...d4
        • 2.Sf4+
          • 2...Rxf4
            • 3.Bxc4+
              • 3...d5
                • 4.Bxd5#
      • 1...f4
        • 2.Sd4+
          • 2...Rxd4
            • 3.Qxg4+
              • 3...f5
                • 4.Qxg6#
          • 2...Bxd4
            • 3.Qxg4+
              • 3...f5
                • 4.Rxd6#
          • 2...Sxd4
            • 3.Qxg4+
              • 3...Sf5
                • 4.Re7#
              • 3...f5
                • 4.Qxg6#
      • 1...Rce4
        • 2.Sd8+
          • 2...Ke5
            • 3.Sxc6+
              • 3...Ke6
                • 4.Re7#
            • 3.Re7+
              • 3...Sxe7+
                • 4.Rxe7#
      • 1...Rge4
        • 2.Sd8+
          • 2...Ke5
            • 3.Sxc6+
              • 3...Ke6
                • 4.Re7#
            • 3.Re7+
              • 3...Sxe7+
                • 4.Rxe7#

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).