Problem Display
PID: 200917 (8/1p6/1K6/6Q1/1N1pk3/8/8/3N4 w - - 0 1)

Traxler, Karel Peter

Ceskoslovenska republika, 1922

8/1p6/1K6/6Q1/1N1pk3/8/8/3N4

#4

4 + 3


6490 yacpdb 2020

SOLUTION


  • COOKED
  • Keys
    • 1.Sf2+!
      • 1...Kf3
        • 2.Sfd3
          • 2...Ke2
            • 3.Qg3
              • 3...Kd1
                • 4.Qe1#
              • 3...Kf1
                • 4.Qf2#
              • 3...Kd2
                • 4.Qe1#
    • 1.Sc2!
      • threat
        • 2.Se1
          • 2...d3
            • 3.Sf2+
              • 3...Kd4
                • 4.Qc5#
            • 3.Sc3+
              • 3...Kd4
                • 4.Qc5#
      • 1...Kd3
        • 2.Qg2
          • 2...Kc4
            • 3.Qf3
              • 3...d3
                • 4.Qf7#
      • 1...Kf3
        • 2.Sxd4+
          • 2...Ke4
            • 3.Sf2+
              • 3...Kxd4
                • 4.Qc5#
      • 1...d3
        • 2.Sce3
          • threat
            • 3.Qf5+
              • 3...Kd4
                • 4.Qf4#
                • 4.Qd5#
          • 2...d2
            • 3.Qf5+
              • 3...Kd4
                • 4.Qd5#

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).