Problem Display
PID: 49810 (8/8/2P5/1Q6/4kp2/1KP1N2p/7B/8 w - - 0 1)

Petrasinovic, Petrasin

Probleemblad, 2003

8/8/2P5/1Q6/4kp2/1KP1N2p/7B/8

#4

6 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qf1!
      • 1...Kxe3
        • 2.Kc4
          • 2...Kd2
            • 3.Bxf4+
              • 3...Kc2
                • 4.Qc1#
      • 1...Ke5
        • 2.Qxf4+
          • 2...Ke6
            • 3.Sd5
              • 3...Kxd5
                • 4.Qc4#
      • 1...f3
        • 2.Kc2
          • threat
            • 3.Qd3#
          • 2...f2
            • 3.Kd2
              • 3...Kf3
                • 4.Qh1#

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).