Problem Display
PID: 164077 (4n3/1b4pr/2p1p3/n1p1k3/1pP1N3/6Kp/8/1B5Q w - - 0 1)

Keiv, Anatoly N

Probleemblad, 1978

4n3/1b4pr/2p1p3/n1p1k3/1pP1N3/6Kp/8/1B5Q

#4

5 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qg5+
          • 2...Kd4
            • 3.Qxc5#
      • 1...Kd4
        • 2.Qd2+
          • 2...Ke5
            • 3.Qg5+
              • 3...Kd4
                • 4.Qxc5#
      • 1...Rh5
        • 2.Qb2+
          • 2...Kf5
            • 3.Sd6+
              • 3...Kg5
                • 4.Sf7#
      • 1...Sb3
        • 2.Qf4+
          • 2...Kd4
            • 3.Sf2+
              • 3...Kc3
                • 4.Sd1#
      • 1...Sd6
        • 2.Qf4+
          • 2...Kd4
            • 3.Qxd6+
              • 3...Ke3
                • 4.Qd2#
                • 4.Qd3#
              • 3...Kxc4
                • 4.Qd3#

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).