Problem Display
PID: 209947 (1Q5B/1P5K/b2p4/1ppk4/6Pp/7r/Pp1N1p2/1r1n4 w - - 0 1)

Gold, Samuel

200 Schachaufgaben, 1883

1Q5B/1P5K/b2p4/1ppk4/6Pp/7r/Pp1N1p2/1r1n4

#4

7 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Be5!
      • threat
        • 2.Qxd6#
      • 1...Kxe5
        • 2.Qe8+
          • 2...Kd4
            • 3.Qe4+
              • 3...Kc3
                • 4.Sxb1#
          • 2...Kf4
            • 3.Qe4+
              • 3...Kg3
                • 4.Sf1#
              • 3...Kg5
                • 4.Qf5#
      • 1...Kc6
        • 2.Qxd6+
          • 2...Kxb7
            • 3.Qc7+
              • 3...Ka8
                • 4.Qb8#
      • 1...Ke6
        • 2.Qxd6+
          • 2...Kf7
            • 3.Qd7+
              • 3...Kf8
                • 4.Bd6#
                • 4.Bg7#
        • 2.Qe8+
          • 2...Kd5
            • 3.b8Q
              • threat
                • 4.Qxd6#
              • 3...dxe5
                • 4.Qbxe5#
                • 4.Qd7#
                • 4.Qbd8#
      • 1...dxe5
        • 2.Qd8+
          • 2...Kc6
            • 3.b8Q
              • threat
                • 4.Qbc7#
                • 4.Qbb6#
                • 4.Qdd6#
          • 2...Ke6
            • 3.Se4
              • threat
                • 4.Sg5#
              • 3...Kf7
                • 4.Sg5#

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).