Problem Display
PID: 267023 (8/8/3p4/P7/3k1PK1/6N1/8/2Q5 w - - 0 1)

Koblov, N

Zadachi i Etyudi, 2012

8/8/3p4/P7/3k1PK1/6N1/8/2Q5

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Se4!
      • 1...Kd3
        • 2.Kf3
          • threat
            • 3.Qc3#
          • 2...Kd4
            • 3.Qc6
              • 3...Kd3
                • 4.Qc3#
              • 3...d5
                • 4.Qc3#
      • 1...Kxe4
        • 2.Qd2
          • 2...d5
            • 3.Qc3
              • 3...d4
                • 4.Qf3#
      • 1...Kd5
        • 2.Kf5
          • 2...Kd4
            • 3.Qc3+
              • 3...Kd5
                • 4.Sf6#
      • 1...d5
        • 2.Qc3+
          • 2...Kxe4
            • 3.a6
              • 3...d4
                • 4.Qf3#

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).