Problem Display
PID: 143224 (8/Q4p2/2k5/2p5/4K3/1PP5/8/8 w - - 0 1)

Juozenas, Ramutis

The Problemist, 2011

8/Q4p2/2k5/2p5/4K3/1PP5/8/8

#5

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Ke5!
      • 1...f6+
        • 2.Kf5
          • 2...Kb5
            • 3.Qb7+
              • 3...Ka5
                • 4.Qc6
                  • 4...c4
                    • 5.b4#
          • 2...Kd6
            • 3.Qb7
              • 3...c4
                • 4.bxc4
                  • 4...Kc5
                    • 5.Qc7#
          • 2...c4
            • 3.bxc4
              • 3...Kd6
                • 4.Qb7
                  • 4...Kc5
                    • 5.Qc7#
      • 1...c4
        • 2.bxc4
          • threat
            • 3.Kf6
              • 3...Kd6
                • 4.Qb7
                  • 4...Kc5
                    • 5.Qc7#
          • 2...f6+
            • 3.Kxf6
              • 3...Kd6
                • 4.Qb7
                  • 4...Kc5
                    • 5.Qc7#
            • 3.Kf5
              • 3...Kd6
                • 4.Qb7
                  • 4...Kc5
                    • 5.Qc7#
          • 2...f5
            • 3.Kxf5
              • 3...Kd6
                • 4.Qb7
                  • 4...Kc5
                    • 5.Qc7#
      • 1...f5
        • 2.Kxf5
          • 2...Kb5
            • 3.Qb7+
              • 3...Ka5
                • 4.Qc6
                  • 4...c4
                    • 5.b4#
          • 2...Kd6
            • 3.Qb7
              • 3...c4
                • 4.bxc4
                  • 4...Kc5
                    • 5.Qc7#
          • 2...c4
            • 3.bxc4
              • 3...Kd6
                • 4.Qb7
                  • 4...Kc5
                    • 5.Qc7#

FEATURES


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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).