Problem Display
PID: 255950 (3K2n1/8/8/6N1/2pk3P/2N2Q1P/3p4/8 w - - 0 1)

Varitsky, Aleksandr Nikolaevich

Zadachi i Etyudi, 2007

3K2n1/8/8/6N1/2pk3P/2N2Q1P/3p4/8

#4

6 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sce4!
      • 1...Kd5
        • 2.Qa3
          • threat
            • 3.Qc5#
            • 3.Qd6#
          • 2...Kd4
            • 3.Qd6+
              • 3...Ke3
                • 4.Qxd2#
          • 2...Ke5
            • 3.Qd6+
              • 3...Kf5
                • 4.Sg3#
          • 2...Kc6
            • 3.Qa6+
              • 3...Kd5
                • 4.Qd6#
      • 1...Ke5
        • 2.Qg3+
          • 2...Kd4
            • 3.Qd6+
              • 3...Ke3
                • 4.Qxd2#
          • 2...Kf5
            • 3.Qd6
              • threat
                • 4.Sg3#
              • 3...Sf6
                • 4.Qxf6#
      • 1...d1Q
        • 2.Qxd1+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kf5
                • 4.Sg3#
      • 1...d1S
        • 2.Qxd1+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kf5
                • 4.Sg3#
      • 1...d1B
        • 2.Qxd1+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kf5
                • 4.Sg3#
      • 1...d1R
        • 2.Qxd1+
          • 2...Ke5
            • 3.Qd6+
              • 3...Kf5
                • 4.Sg3#
      • 1...Sf6
        • 2.Qf2+
          • 2...Ke5
            • 3.Qxf6+
              • 3...Kd5
                • 4.Qd6#
      • 1...Sh6
        • 2.Qf2+
          • 2...Ke5
            • 3.Qf6+
              • 3...Kd5
                • 4.Qd6#
      • 1...Se7
        • 2.Qf2+
          • 2...Ke5
            • 3.Qf6+
              • 3...Kd5
                • 4.Qd6#

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).