Problem Display
PID: 88955 (2N5/p4Q2/P7/p3kP2/P3P3/1p6/1P1p3P/3K4 w - - 0 1)

Ochkur, Aleksandr P

Uralski Problemist, 2000

2N5/p4Q2/P7/p3kP2/P3P3/1p6/1P1p3P/3K4

#4

9 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sd6!
      • 1...Kd4
        • 2.Qg7+
          • 2...Ke3
            • 3.Qg3+
              • 3...Kd4
                • 4.Qc3#
          • 2...Kc5
            • 3.Qc7+
              • 3...Kb4
                • 4.Qc4#
              • 3...Kd4
                • 4.Qc3#
      • 1...Kf4
        • 2.Qg7
          • threat
            • 3.Qg3#
          • 2...Ke3
            • 3.Qg3+
              • 3...Kd4
                • 4.Qc3#
      • 1...Kxd6
        • 2.Qg7
          • 2...Kc5
            • 3.Qf6
              • 3...Kb4
                • 4.Qd4#
              • 3...Kc4
                • 4.Qc3#
          • 2...Kc6
            • 3.Qe7
              • 3...Kb6
                • 4.Qd6#

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).