Problem Display
PID: 183272 (6K1/8/4kNQ1/5Np1/b2P2p1/4p1r1/1pP1p2b/n1R5 w - - 0 1)

Fomichev, Evgeny Vasilevich

4th Prize, Traxler-150 MT, 2017

6K1/8/4kNQ1/5Np1/b2P2p1/4p1r1/1pP1p2b/n1R5

#4

7 + 10


1232 Kudesnik 2018

SOLUTION


  • SOUND
  • Keys
    • 1.c3!
      • threat
        • 2.Qf7+
          • 2...Kxf5
            • 3.Sd7+
              • 3...Ke4
                • 4.Sc5#
      • 1...Bb3
        • 2.Sd5+
          • 2...Kxd5
            • 3.Se7+
              • 3...Kc4
                • 4.Qa6#
          • 2...Kd7
            • 3.Qd6+
              • 3...Kc8
                • 4.Qc7#
              • 3...Ke8
                • 4.Sg7#
                • 4.Qe7#
      • 1...Bd7
        • 2.Sxg4+
          • 2...Kd5
            • 3.Sfxe3+
              • 3...Rxe3
                • 4.Sxe3#
        • 2.Qf7+
          • 2...Kxf5
            • 3.Sxd7+
              • 3...Ke4
                • 4.Sc5#
      • 1...Be8
        • 2.Qxe8+
          • 2...Kxf5
            • 3.Kf7
              • threat
                • 4.Qe4#
                • 4.Qe5#
              • 3...Kf4
                • 4.Qe4#
            • 3.Kg7
              • threat
                • 4.Qe4#
                • 4.Qe5#
              • 3...Kf4
                • 4.Qe4#
      • 1...Sb3
        • 2.Se8+
          • 2...Kd5
            • 3.Se7+
              • 3...Kc4
                • 4.Sd6#
          • 2...Kd7
            • 3.Qd6+
              • 3...Kc8
                • 4.Qc7#
              • 3...Kxe8
                • 4.Sg7#
                • 4.Qe7#

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).