Problem Display
PID: 211163 (3Nk2r/1p2P2p/1n5K/n1pP2B1/rN6/7Q/4b3/8 w k - 0 1)

Makaronets, Leonid

Volchek, Viktor Fedorovich

Sachova skladba, 2018

3Nk2r/1p2P2p/1n5K/n1pP2B1/rN6/7Q/4b3/8

#4

7 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qf7+
          • 2...Kd7
            • 3.e8S+
              • 3...Kc8
                • 4.Qc7#
      • 1...Sxd5
        • 2.Sxd5
          • threat
            • 3.Sc7#
          • 2...Rh4+
            • 3.Bxh4
              • threat
                • 4.Sc7#
      • 1...Bh5
        • 2.Se6
          • threat
            • 3.Sc7#
            • 3.Sg7#
          • 2...Kd7
            • 3.Sc7+
              • 3...Kd6
                • 4.Sb5#
              • 3...Kxc7
                • 4.Bf4#
      • 1...Sb3
        • 2.Qf7+
          • 2...Kd7
            • 3.e8Q+
              • 3...Kd6
                • 4.Sxb7#
                • 4.Bf4#
                • 4.Qf4#
                • 4.Qfe7#
                • 4.Qee6#
                • 4.Qee7#
              • 3...Kc8
                • 4.Qxb7#
            • 3.e8S+
              • 3...Kc8
                • 4.Qxb7#
                • 4.Qc7#
            • 3.e8B+
              • 3...Kd6
                • 4.Bf4#
                • 4.Qf4#
                • 4.Qe7#
              • 3...Kc8
                • 4.Qxb7#
            • 3.e8R+
              • 3...Kd6
                • 4.Sxb7#
                • 4.Bf4#
                • 4.Re6#
                • 4.Qe7#
              • 3...Kc8
                • 4.Qxb7#
      • 1...Sac4
        • 2.Qf7+
          • 2...Kd7
            • 3.e8Q+
              • 3...Kd6
                • 4.Sxb7#
                • 4.Qfe7#
                • 4.Qee6#
                • 4.Qee7#
              • 3...Kc8
                • 4.Qxb7#
            • 3.e8S+
              • 3...Kc8
                • 4.Qxb7#
                • 4.Qc7#
            • 3.e8B+
              • 3...Kd6
                • 4.Qe7#
              • 3...Kc8
                • 4.Qxb7#
            • 3.e8R+
              • 3...Kd6
                • 4.Sxb7#
                • 4.Re6#
                • 4.Qe7#
              • 3...Kc8
                • 4.Qxb7#
      • 1...Sc6
        • 2.Qf7+
          • 2...Kd7
            • 3.e8Q+
              • 3...Kd6
                • 4.Sxb7#
                • 4.Qee6#
              • 3...Kc8
                • 4.Qxb7#
      • 1...Sa8
        • 2.d6
          • threat
            • 3.d7#
          • 2...Bb5
            • 3.d7+
              • 3...Bxd7
                • 4.Qf7#
          • 2...Sb6
            • 3.d7+
              • 3...Sxd7
                • 4.Qf7#
      • 1...Sc8
        • 2.Qf7+
          • 2...Kd7
            • 3.e8Q+
              • 3...Kd6
                • 4.Bf4#
                • 4.Qf4#
                • 4.Qfd7#
                • 4.Qee6#
            • 3.e8B+
              • 3...Kd6
                • 4.Bf4#
                • 4.Qf4#

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).