Problem Display
PID: 230513 (8/p2p2Q1/P2pk3/6B1/8/1N4p1/8/6K1 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

2nd Prize, Neue Leipziger Zeitung, 1935

8/p2p2Q1/P2pk3/6B1/8/1N4p1/8/6K1

#4

5 + 5


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Sd2!
      • 1...Kd5
        • 2.Qf7+
          • 2...Kd4
            • 3.Qc4+
              • 3...Ke5
                • 4.Qe4#
          • 2...Kc5
            • 3.Qc4+
              • 3...Kb6
                • 4.Bd8#
          • 2...Ke5
            • 3.Bf4+
              • 3...Kd4
                • 4.Qc4#
          • 2...Kc6
            • 3.Qc4+
              • 3...Kb6
                • 4.Bd8#
      • 1...Kf5
        • 2.Be7
          • 2...Ke6
            • 3.Qf6+
              • 3...Kd5
                • 4.Qxd6#
          • 2...g2
            • 3.Qf6+
              • 3...Kg4
                • 4.Qf3#
          • 2...d5
            • 3.Qg5+
              • 3...Ke6
                • 4.Qf6#
      • 1...g2
        • 2.Bd8
          • 2...Kd5
            • 3.Qg4
              • 3...Kc5
                • 4.Qc4#
              • 3...Ke5
                • 4.Qe4#
              • 3...Kc6
                • 4.Qc4#
          • 2...Kf5
            • 3.Qf6+
              • 3...Kg4
                • 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).