Problem Display
PID: 222891 (8/8/N7/p7/k2N4/P7/n2PB3/3K4 w - - 0 1)

Brenander, Oskar Wilhelm

Tidskrift for Schack, 1910

8/8/N7/p7/k2N4/P7/n2PB3/3K4

#4

6 + 3


  • SOUND
  • Keys
    • 1.Kc2!
      • threat
        • 2.Kb2
          • threat
            • 3.Sc5#
            • 3.Bd1#
            • 3.Bb5#
      • 1...Sb4+
        • 2.Kb1
          • threat
            • 3.Sc5+
              • 3...Kxa3
                • 4.Sb5#
          • 2...Kxa3
            • 3.Sb5+
              • 3...Kb3
                • 4.Sc5#
              • 3...Ka4
                • 4.Sc5#
            • 3.Sc5
              • threat
                • 4.Sb5#
              • 3...Sa2
                • 4.Sc2#
              • 3...Sc2
                • 4.Sxc2#
              • 3...Sd3
                • 4.Sc2#
              • 3...Sd5
                • 4.Sc2#
              • 3...Sa6
                • 4.Sc2#
              • 3...Sc6
                • 4.Sc2#
          • 2...Sxa6
            • 3.Kb2
              • threat
                • 4.Bd1#
                • 4.Bb5#
          • 2...Sa2
            • 3.Sc5+
              • 3...Kxa3
                • 4.Sc2#
            • 3.Bd1+
              • 3...Kxa3
                • 4.Sb5#
            • 3.Kb2
              • threat
                • 4.Sc5#
                • 4.Bd1#
                • 4.Bb5#
          • 2...Sc2
            • 3.Sc5+
              • 3...Kxa3
                • 4.Sxc2#
            • 3.Sxc2
              • 3...Kb3
                • 4.Sc5#
          • 2...Sd3
            • 3.Bd1+
              • 3...Kxa3
                • 4.Sb5#
          • 2...Sd5
            • 3.Sc5+
              • 3...Kxa3
                • 4.Sc2#
            • 3.Bd1+
              • 3...Kxa3
                • 4.Sb5#
            • 3.Kb2
              • threat
                • 4.Sc5#
                • 4.Bd1#
                • 4.Bb5#
          • 2...Sc6
            • 3.Sc5+
              • 3...Kxa3
                • 4.Sc2#
            • 3.Bd1+
              • 3...Kxa3
                • 4.Sb5#
            • 3.Kb2
              • threat
                • 4.Sc5#
                • 4.Bd1#
                • 4.Bb5#
            • 3.Sc2
              • threat
                • 4.Sc5#
              • 3...Kb3
                • 4.Sc5#
            • 3.Sb5
              • threat
                • 4.Sc5#
              • 3...Kb3
                • 4.Sc5#
      • 1...Kxa3
        • 2.Sb5+
          • 2...Ka4
            • 3.Kb2
              • 3...Sc1
                • 4.Sc3#
              • 3...Sc3
                • 4.Sxc3#
              • 3...Sb4
                • 4.Sc3#
                • 4.Sc5#
      • 1...Sc1
        • 2.Kb1
          • threat
            • 3.Sc5+
              • 3...Kxa3
                • 4.Sc2#
          • 2...Kxa3
            • 3.Sc2+
              • 3...Kb3
                • 4.Sc5#
              • 3...Ka4
                • 4.Sc5#
          • 2...Sb3
            • 3.Bb5+
              • 3...Kxa3
                • 4.Sc2#
            • 3.Kb2
              • threat
                • 4.Bb5#
              • 3...Sxd4
                • 4.Sc5#
          • 2...Sd3
            • 3.Bd1+
              • 3...Kxa3
                • 4.Sb5#


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).