Problem Display
PID: 147671 (8/QN2p2n/P2pk1P1/8/7P/K4N2/8/1B6 w - - 0 1)

Chicco, Adriano

L'Italia Scacchistica, 1930

8/QN2p2n/P2pk1P1/8/7P/K4N2/8/1B6

#3

8 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Sf6
      • 2.Sd8+
        • 2...Kd5
          • 3.Qd4#
  • Tries
    • 1.Sd8+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf6!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Sc5+
          • 2...Kf6
            • 3.Qh8#
          • 2...dxc5
            • 3.Qc6#
      • 1...Kd5
        • 2.Sd8+
          • 2...Kc4
            • 3.Qc6#
          • 2...Kc5
            • 3.Qc6#
      • 1...Kf6
        • 2.Qg8
          • threat
            • 3.Qf7#
          • 2...Sg5
            • 3.hxg5#
      • 1...Kd7
        • 2.Sd4
          • threat
            • 3.Qd8#
          • 2...Kc7
            • 3.Qd8#
      • 1...Sf6
        • 2.Sc5+
          • 2...dxc5
            • 3.Qc6#
      • 1...Sf8
        • 2.Sc5+
          • 2...Kf6
            • 3.Qxf8#
          • 2...dxc5
            • 3.Qc6#
      • 1...d5
        • 2.Qe8
          • threat
            • 3.Qc6#
          • 2...Kf6
            • 3.Qf7#

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).