Problem Display
PID: 272800 (2q1k2r/2pN1p1p/5Q1p/pp4n1/3R2p1/2B3p1/8/3Kb3 w k - 0 1)

Storozhenko, Ivan Ivanovich

Shakhmatnaya kompozitsiya, 1998

2q1k2r/2pN1p1p/5Q1p/pp4n1/3R2p1/2B3p1/8/3Kb3

#4

5 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc6
          • threat
            • 3.Qe7#
            • 3.Qxh8#
          • 2...Kf8
            • 3.Qxh8#
          • 2...0-0
            • 3.Se7#
      • 1...Kf8
        • 2.Sg6+
          • 2...hxg6
            • 3.Rd8+
              • 3...Qxd8+
                • 4.Qxd8#
        • 2.Qxh8+
          • 2...Ke7
            • 3.Sc6+
              • 3...Ke6
                • 4.Qe5#
        • 2.Sc6
          • threat
            • 3.Qxh8#
          • 2...Kg8
            • 3.Rd8+
              • 3...Qxd8+
                • 4.Qxd8#
            • 3.Qxh8+
              • 3...Kxh8
                • 4.Rd8#
            • 3.Rd2
              • threat
                • 4.Qg7#
                • 4.Qxh8#
              • 3...Kf8
                • 4.Qxh8#
          • 2...Rg8
            • 3.Rd8+
              • 3...Qxd8+
                • 4.Qxd8#
      • 1...0-0
        • 2.Sxf7
          • threat
            • 3.Sxh6#
          • 2...Rxf7
            • 3.Qh8+
              • 3...Kxh8
                • 4.Rd8#
          • 2...Sxf7
            • 3.Qg7+
              • 3...Kxg7
                • 4.Rxg4#
      • 1...Bxc3
        • 2.Qxh8+
          • 2...Ke7
            • 3.Sc6+
              • 3...Ke6
                • 4.Qe5#
        • 2.Sc6
          • threat
            • 3.Qe7#
            • 3.Qxh8#
          • 2...Bb4
            • 3.Rd8+
              • 3...Qxd8+
                • 4.Qxd8#
            • 3.Qd8+
              • 3...Qxd8
                • 4.Rxd8#
      • 1...Qd7
        • 2.Rxd7
          • threat
            • 3.Rd8#
            • 3.Qe7#
            • 3.Qd8#
            • 3.Qxh8#
          • 2...0-0
            • 3.Sxg4
              • threat
                • 4.Sxh6#
                • 4.Qg7#
                • 4.Qh8#
            • 3.Sxf7
              • threat
                • 4.Sxh6#
                • 4.Qg7#
                • 4.Qh8#
            • 3.Sc6
              • threat
                • 4.Se7#
                • 4.Qg7#
                • 4.Qh8#
            • 3.Sg6
              • threat
                • 4.Se7#
                • 4.Qg7#
                • 4.Qh8#
      • 1...Rf8
        • 2.Sc6
          • threat
            • 3.Qe7#
          • 2...Qd7
            • 3.Qd8+
              • 3...Qxd8
                • 4.Rxd8#
      • 1...Rg8
        • 2.Sc6
          • threat
            • 3.Qe7#
          • 2...Kf8
            • 3.Rd8+
              • 3...Qxd8+
                • 4.Qxd8#
          • 2...Qd7
            • 3.Qd8+
              • 3...Qxd8
                • 4.Rxd8#

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).