Problem Display
PID: 197080 (8/2rpp3/6R1/1b4n1/1p4N1/2P1N3/1QP1p3/2K1k3 w - - 0 1)

Barsukov, Valery Nikolaevich

Zadachi i Etyudi, 1996

8/2rpp3/6R1/1b4n1/1p4N1/2P1N3/1QP1p3/2K1k3

#4

7 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.Kb2+
          • 2...Kd2
            • 3.Qc1#
      • 1...bxc3
        • 2.Rh6
          • threat
            • 3.Rh1#
          • 2...Sf3
            • 3.Rh1+
              • 3...Sg1
                • 4.Rxg1#
          • 2...Sh3
            • 3.Rxh3
              • threat
                • 4.Rh1#
              • 3...Bc6
                • 4.Qxc3#
      • 1...Ra7
        • 2.Qxa7
          • threat
            • 3.Sg2+
              • 3...Kf1
                • 4.Qf2#
          • 2...Bc6
            • 3.Sg2+
              • 3...Kf1
                • 4.Qf2#
              • 3...Bxg2
                • 4.Qf2#
          • 2...Sh3
            • 3.Sg2+
              • 3...Kf1
                • 4.Sh2#
          • 2...Se4
            • 3.Sg2+
              • 3...Kf1
                • 4.Sh2#
          • 2...Se6
            • 3.Sg2+
              • 3...Kf1
                • 4.Sh2#
                • 4.Qf2#
          • 2...Sf7
            • 3.Sg2+
              • 3...Kf1
                • 4.Sh2#
                • 4.Qf2#
            • 3.Sc4
              • threat
                • 4.Qg1#
                • 4.Qf2#
              • 3...Kf1
                • 4.Qf2#
            • 3.Sd5
              • threat
                • 4.Qg1#
                • 4.Qf2#
              • 3...Kf1
                • 4.Qf2#
            • 3.Sf5
              • threat
                • 4.Qg1#
                • 4.Qf2#
              • 3...Kf1
                • 4.Qf2#
          • 2...Sh7
            • 3.Sg2+
              • 3...Kf1
                • 4.Sh2#
                • 4.Qf2#
            • 3.Sc4
              • threat
                • 4.Qg1#
                • 4.Qf2#
              • 3...Kf1
                • 4.Qf2#
            • 3.Sd5
              • threat
                • 4.Qg1#
                • 4.Qf2#
              • 3...Kf1
                • 4.Qf2#
            • 3.Sf5
              • threat
                • 4.Qg1#
                • 4.Qf2#
              • 3...Kf1
                • 4.Qf2#

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).