Problem Display
PID: 252395 (8/2K4Q/8/4P3/8/8/4P3/2N1k1N1 w - - 0 1)

Tavariani, Revaz

Source?, 1967

8/2K4Q/8/4P3/8/8/4P3/2N1k1N1

#4

6 + 1


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Qe7!
      • 1...Kd1
        • 2.Sd3
          • threat
            • 3.Qc5
              • 3...Kd2
                • 4.Qc1#
          • 2...Kc2
            • 3.Qa3
              • 3...Kb1
                • 4.Qb2#
              • 3...Kd1
                • 4.Qc1#
              • 3...Kd2
                • 4.Qc1#
          • 2...Kd2
            • 3.Qc5
              • 3...Kd1
                • 4.Qc1#
        • 2.Qc5
          • threat
            • 3.Sd3
              • 3...Kd2
                • 4.Qc1#
          • 2...Ke1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qc1#
              • 3...Kf1
                • 4.Qf2#
              • 3...Kd2
                • 4.Qc1#
          • 2...Kd2
            • 3.Sd3
              • 3...Kd1
                • 4.Qc1#
      • 1...Kf1
        • 2.Qg5
          • threat
            • 3.Sf3
              • 3...Kf2
                • 4.Qg1#
          • 2...Ke1
            • 3.Sf3+
              • 3...Kd1
                • 4.Qd2#
              • 3...Kf1
                • 4.Qg1#
              • 3...Kf2
                • 4.Qg1#
          • 2...Kf2
            • 3.Sf3
              • 3...Kf1
                • 4.Qg1#
      • 1...Kd2
        • 2.Qc5
          • threat
            • 3.Sd3
              • 3...Kd1
                • 4.Qc1#
          • 2...Kd1
            • 3.Sd3
              • 3...Kd2
                • 4.Qc1#
          • 2...Ke1
            • 3.Sd3+
              • 3...Kd1
                • 4.Qc1#
              • 3...Kf1
                • 4.Qf2#
              • 3...Kd2
                • 4.Qc1#
      • 1...Kf2
        • 2.Qg5
          • threat
            • 3.Sf3
              • 3...Kf1
                • 4.Qg1#
          • 2...Ke1
            • 3.Sf3+
              • 3...Kd1
                • 4.Qd2#
              • 3...Kf1
                • 4.Qg1#
              • 3...Kf2
                • 4.Qg1#
          • 2...Kf1
            • 3.Sf3
              • 3...Kf2
                • 4.Qg1#

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).