Problem Display
PID: 254941 (2N3Qb/5p2/5k1P/3P1p1P/2P2p2/1P6/4P2K/8 w - - 0 1)

Rakov, E

Zadachi i Etyudi, 2006

2N3Qb/5p2/5k1P/3P1p1P/2P2p2/1P6/4P2K/8

#4

9 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Sa7!
      • threat
        • 2.Sc6
          • threat
            • 3.Qd8#
      • 1...Ke5
        • 2.Sc6+
          • 2...Ke4
            • 3.Qe8+
              • 3...Be5
                • 4.Qxe5#
          • 2...Kd6
            • 3.Qb8+
              • 3...Kc5
                • 4.Qb4#
              • 3...Kd7
                • 4.Qd8#
      • 1...Ke7
        • 2.Sc6+
          • 2...Kd6
            • 3.Qb8+
              • 3...Kc5
                • 4.Qb4#
              • 3...Kd7
                • 4.Qd8#
      • 1...Bg7
        • 2.Qd8+
          • 2...Ke5
            • 3.Qe7+
              • 3...Kd4
                • 4.Sb5#
      • 1...f3
        • 2.Sc6
          • threat
            • 3.Qd8#
          • 2...f4
            • 3.Qg4
              • threat
                • 4.Qxf4#

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).