Problem Display
PID: 147365 (1br2n2/3p1Np1/2P5/2pN1P1p/2p1k2p/2P4P/4P2P/3Q1K2 w - - 0 1)

Beckers, Franz

4th Prize, Tidskrift for Schack #4 Ty., 1909

1br2n2/3p1Np1/2P5/2pN1P1p/2p1k2p/2P4P/4P2P/3Q1K2

#4

10 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.c7!
      • threat
        • 2.Qb1+
          • 2...Kxd5
            • 3.Qb7#
      • 1...Kxf5
        • 2.e4+
          • 2...Kxe4
            • 3.Qf3+
              • 3...Kxf3
                • 4.Sg5#
          • 2...Ke6
            • 3.Qf3
              • threat
                • 4.Qf5#
              • 3...g6
                • 4.Qf6#
          • 2...Kg6
            • 3.Qxh5+
              • 3...Kxh5
                • 4.Sf4#
      • 1...Rxc7
        • 2.Se7
          • threat
            • 3.Qc2+
              • 3...Ke3
                • 4.Sd5#
              • 3...Kf4
                • 4.Sd5#
          • 2...Ke3
            • 3.Qc2
              • threat
                • 4.Sd5#
              • 3...Kf4
                • 4.Sd5#
              • 3...d5
                • 4.Sxd5#
          • 2...Kf4
            • 3.Qc2
              • threat
                • 4.Sd5#
              • 3...Ke3
                • 4.Sd5#
              • 3...d5
                • 4.Sxd5#
          • 2...d5
            • 3.Qc2+
              • 3...Ke3
                • 4.Sxd5#
              • 3...Kf4
                • 4.Sxd5#

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).