Problem Display
PID: 1228 (4K3/8/3P4/1N1p1p2/3PpP2/4k3/1P4Q1/8 w - - 0 1)

Ochkur, Aleksandr P

The Problemist Supplement, 2000

4K3/8/3P4/1N1p1p2/3PpP2/4k3/1P4Q1/8

#4

7 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sa3!
      • 1...Kd3
        • 2.Qf2
          • 2...e3
            • 3.Qc2+
              • 3...Kxd4
                • 4.Sb5#
      • 1...Kxd4
        • 2.Qd2+
          • 2...Kc5
            • 3.Qa5+
              • 3...Kd4
                • 4.Qc3#
              • 3...Kc6
                • 4.Qc7#
              • 3...Kxd6
                • 4.Qb6#
      • 1...Kxf4
        • 2.Sc2
          • 2...e3
            • 3.Sb4
              • 3...e2
                • 4.Sxd5#

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).