Problem Display
PID: 277987 (bBk1B3/1nN2K2/Q1N5/8/8/8/8/8 w - - 0 1)

Ivanov, Bernard

Phenix, 2006

bBk1B3/1nN2K2/Q1N5/8/8/8/8/8

#3

6 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Sa7+?
      • 1...Kd8
        • 2.Se6#
        • 2.Qf6#
      • 1...Kxb8!
    • 1.Se7+?
      • 1...Kd8
        • 2.Se6#
      • 1...Kxb8!
    • 1.Qxa8?
      • threat
        • 2.Ke7
          • threat
            • 3.Sa7#
            • 3.Bd7#
        • 2.Sa7+
          • 2...Kd8
            • 3.Se6#
        • 2.Se7+
          • 2...Kd8
            • 3.Se6#
        • 2.Ba7+
          • 2...Kxc7
            • 3.Qb8#
      • 1...Sd6+
        • 2.Ke6
          • threat
            • 3.Bd7#
          • 2...Sxe8
            • 3.Qa6#
      • 1...Sa5
        • 2.Sa7+
          • 2...Kd8
            • 3.Se6#
            • 3.Qd5#
        • 2.Se7+
          • 2...Kd8
            • 3.Se6#
            • 3.Qd5#
        • 2.Ba7+
          • 2...Kxc7
            • 3.Qb8#
        • 2.Qxa5
          • 2...Kb7
            • 3.Qa6#
      • 1...Sc5
        • 2.Ke7
          • threat
            • 3.Sa7#
        • 2.Sb5
          • threat
            • 3.Sd6#
            • 3.Sba7#
            • 3.Bh2#
            • 3.Bg3#
            • 3.Bf4#
            • 3.Be5#
            • 3.Bd6#
            • 3.Ba7#
            • 3.Bc7#
        • 2.Sd5
          • threat
            • 3.Sb6#
            • 3.Sde7#
            • 3.Bh2#
            • 3.Bg3#
            • 3.Bf4#
            • 3.Be5#
            • 3.Bd6#
            • 3.Ba7#
            • 3.Bc7#
        • 2.Se6
          • threat
            • 3.Sa7#
            • 3.Se7#
            • 3.Bh2#
            • 3.Bg3#
            • 3.Bf4#
            • 3.Be5#
            • 3.Bd6#
            • 3.Ba7#
            • 3.Bc7#
        • 2.Ba7+
          • 2...Kxc7
            • 3.Qb8#
      • 1...Sd8+!
  • Keys
    • 1.Ba7!
      • 1...Kxc7
        • 2.Bb6+
          • 2...Kd6
            • 3.Qd3#
          • 2...Kc8
            • 3.Qxa8#

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).