Problem Display
PID: 150311 (5N1k/3Np1pP/3p2p1/K4p2/pPP1p3/5b2/1p3P2/4Q2n w - - 0 1)

Zakharov, Sergei Pavlovich

1st HM., Zadachi i Etyudi, 2010

5N1k/3Np1pP/3p2p1/K4p2/pPP1p3/5b2/1p3P2/4Q2n

#5

8 + 11


56 The Problemist 2013

SOLUTION


  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Qc3
          • threat
            • 3.Qxg7#
          • 2...Kxh7
            • 3.Qxg7#
      • 1...Kxh7
        • 2.Sdf8+
          • 2...Kh6
            • 3.Qe3+
              • 3...f4
                • 4.Qxf4+
                  • 4...Kh5
                    • 5.Sxg7#
                    • 5.Qg5#
                  • 4...g5
                    • 5.Qxg5#
          • 2...Kg8
            • 3.Qc3
              • threat
                • 4.Qxg7#
              • 3...Kf7
                • 4.Qxg7+
                  • 4...Ke8
                    • 5.Qxg6#
      • 1...b1S
        • 2.Qc3
          • threat
            • 3.Qxg7#
          • 2...Sxc3
            • 3.Sg5
              • threat
                • 4.Sf8
                  • threat
                    • 5.Sf7#
                    • 5.Sxg6#
              • 3...Bh5
                • 4.Sf8
                  • threat
                    • 5.Sf7#
      • 1...Sg3
        • 2.Sg5
          • threat
            • 3.Sf8
              • threat
                • 4.Sf7#
                • 4.Sxg6#
          • 2...b1Q
            • 3.Qxb1
              • threat
                • 4.Sf8
                  • threat
                    • 5.Sf7#
                    • 5.Sxg6#
              • 3...Bh5
                • 4.Sf8
                  • threat
                    • 5.Sf7#
            • 3.Sf8
              • threat
                • 4.Sf7#
                • 4.Sxg6#
              • 3...Qxb4+
                • 4.Kxb4
                  • threat
                    • 5.Sf7#
                    • 5.Sxg6#
                • 4.Qxb4
                  • threat
                    • 5.Sf7#
                    • 5.Sxg6#
        • 2.Sdf8
          • threat
            • 3.Sg5
              • threat
                • 4.Sf7#
                • 4.Sxg6#
            • 3.Sd8
              • threat
                • 4.Sf7#
          • 2...b1Q
            • 3.Sg5
              • threat
                • 4.Sf7#
                • 4.Sxg6#
              • 3...Qxb4+
                • 4.Kxb4
                  • threat
                    • 5.Sf7#
                    • 5.Sxg6#
                • 4.Qxb4
                  • threat
                    • 5.Sf7#
                    • 5.Sxg6#
            • 3.Sd8
              • threat
                • 4.Sf7#
              • 3...Qxb4+
                • 4.Kxb4
                  • threat
                    • 5.Sf7#
                • 4.Qxb4
                  • threat
                    • 5.Sf7#
          • 2...g5
            • 3.Qc3
              • threat
                • 4.Qxg7#
              • 3...Sh5
                • 4.Sxg5
                  • threat
                    • 5.Sf7#
                    • 5.Sg6#
                • 4.Sd8
                  • threat
                    • 5.Sf7#

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).