Problem Display
PID: 269756 (8/1Q6/3p3p/4k2p/P6B/1p5P/1P4N1/1K6 w - - 0 1)

Petrasinovic, Petrasin

Problemist Ukraini, 2017

8/1Q6/3p3p/4k2p/P6B/1p5P/1P4N1/1K6

#4

7 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Kc1!
      • 1...Kd4
        • 2.Bf6+
          • 2...Kd3
            • 3.Kd1
              • threat
                • 4.Qd5#
              • 3...Kc4
                • 4.Qb5#
              • 3...d5
                • 4.Qxd5#
      • 1...Kf5
        • 2.Qe7
          • threat
            • 3.Bg3
              • threat
                • 4.Sh4#
              • 3...Kg6
                • 4.Sh4#
              • 3...h4
                • 4.Sxh4#
          • 2...Kg6
            • 3.Qd7
              • 3...d5
                • 4.Sf4#
      • 1...Ke6
        • 2.Se3
          • threat
            • 3.Qe7#
          • 2...Ke5
            • 3.Qd5+
              • 3...Kf4
                • 4.Sg2#
      • 1...d5
        • 2.Qe7+
          • 2...Kd4
            • 3.Qe3+
              • 3...Kc4
                • 4.Qc3#
          • 2...Kf5
            • 3.Bg3
              • threat
                • 4.Sh4#
              • 3...Kg6
                • 4.Sh4#
              • 3...h4
                • 4.Sxh4#

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).