Problem Display
PID: 134185 (Q6K/5B2/8/2k5/4P3/8/1P6/8 w - - 0 1)

Holden, Herb

StrateGems, 2009

Q6K/5B2/8/2k5/4P3/8/1P6/8

#4

5 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qc6+
          • 2...Kb4
            • 3.Qb6+
              • 3...Ka4
                • 4.Bb3#
                • 4.Bc6#
            • 3.Bc4
              • 3...Ka5
                • 4.Qb5#
      • 1...Kb4
        • 2.Qa3+
          • 2...Kb5
            • 3.b4
              • 3...Kb6
                • 4.Qa5#
        • 2.Qc6
          • 2...Ka5
            • 3.Bb3
              • 3...Kb4
                • 4.Qb6#
            • 3.Bc4
              • 3...Kb4
                • 4.Qb5#
      • 1...Kd4
        • 2.Qa3
          • 2...Ke5
            • 3.Qg3+
              • 3...Kd4
                • 4.Qc3#
              • 3...Kf6
                • 4.Qg7#
      • 1...Kb5
        • 2.Qc6+
          • 2...Kb4
            • 3.Qb6+
              • 3...Ka4
                • 4.Bb3#
                • 4.Bc6#
            • 3.Bc4
              • 3...Ka5
                • 4.Qb5#
          • 2...Ka5
            • 3.Bb3
              • 3...Kb4
                • 4.Qb6#
            • 3.Bc4
              • 3...Kb4
                • 4.Qb5#
        • 2.Qa7
          • 2...Kb4
            • 3.Qb6+
              • 3...Ka4
                • 4.Bb3#
                • 4.Bc6#
      • 1...Kb6
        • 2.Qc6+
          • 2...Ka5
            • 3.Bb3
              • 3...Kb4
                • 4.Qb6#
            • 3.Bc4
              • 3...Kb4
                • 4.Qb5#
      • 1...Kd6
        • 2.Qa7
          • 2...Ke5
            • 3.Qc7+
              • 3...Kd4
                • 4.Qc3#
              • 3...Kf6
                • 4.Qg7#

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).