Problem Display
PID: 178299 (8/8/8/8/3p4/3kp3/1K4N1/4QN2 w - - 0 1)

Petrasinovic, Petrasin

Vratnica-64, 2004

8/8/8/8/3p4/3kp3/1K4N1/4QN2

#4

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Qa5!
      • 1...Ke2
        • 2.Qf5
          • threat
            • 3.Sg3+
              • 3...Kd1
                • 4.Qc2#
                • 4.Qd3#
              • 3...Kd2
                • 4.Qc2#
            • 3.Kc1
              • 3...d3
                • 4.Sg3#
          • 2...d3
            • 3.Sfxe3
              • 3...Kd2
                • 4.Qf2#
              • 3...d2
                • 4.Qf1#
      • 1...Kc4
        • 2.Sf4
          • threat
            • 3.Ka3
              • threat
                • 4.Qb4#
            • 3.Qb6
              • 3...e2
                • 4.Sd2#
              • 3...d3
                • 4.Sxe3#
          • 2...d3
            • 3.Qb6
              • threat
                • 4.Sxe3#
              • 3...e2
                • 4.Sd2#
                • 4.Se3#
      • 1...Ke4
        • 2.Sh4
          • threat
            • 3.Qf5#
          • 2...Kd3
            • 3.Qb5+
              • 3...Ke4
                • 4.Qf5#
          • 2...d3
            • 3.Kc3
              • threat
                • 4.Qf5#
              • 3...Kf4
                • 4.Qf5#

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).