Problem Display
PID: 257184 (8/4pKN1/2P1N3/r1r5/bBP1P2k/3p2pB/6P1/8 w - - 0 1)

Ursprung, Karl

5th Comm., Main-Post, 1974

8/4pKN1/2P1N3/r1r5/bBP1P2k/3p2pB/6P1/8

#4

9 + 7


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.e5!
      • threat
        • 2.Sf5+
          • 2...Kh5
            • 3.Seg7+
              • 3...Kg5
                • 4.Bd2#
            • 3.Bd2
              • threat
                • 4.Seg7#
        • 2.Sd4
          • threat
            • 3.Sf3#
          • 2...Kg5
            • 3.Bd2+
              • 3...Kh4
                • 4.Sf3#
                • 4.Sdf5#
          • 2...Bxc6
            • 3.Sdf5+
              • 3...Kg5
                • 4.Bd2#
          • 2...Bd1
            • 3.Sdf5+
              • 3...Kg5
                • 4.Bd2#
      • 1...Rxe5
        • 2.Bxe7+
          • 2...Rg5
            • 3.Sf4
              • threat
                • 4.Sg6#
              • 3...Rf5+
                • 4.Sxf5#
      • 1...Bxc6
        • 2.Sf5+
          • 2...Kh5
            • 3.Seg7+
              • 3...Kg5
                • 4.Bd2#
      • 1...Ra8
        • 2.Sf5+
          • 2...Kh5
            • 3.Seg7+
              • 3...Kg5
                • 4.Bd2#
      • 1...Bb3
        • 2.Sf5+
          • 2...Kh5
            • 3.Seg7+
              • 3...Kg5
                • 4.Bd2#
      • 1...Bb5
        • 2.Sf5+
          • 2...Kh5
            • 3.Seg7+
              • 3...Kg5
                • 4.Bd2#
        • 2.Bxc5
          • threat
            • 3.Bxe7#
          • 2...Ra7
            • 3.Kg6
              • threat
                • 4.Sf5#
            • 3.Be3
              • threat
                • 4.Bg5#
        • 2.Kg6
          • threat
            • 3.Sf5#
          • 2...Rxe5
            • 3.Bxe7+
              • 3...Rg5+
                • 4.Bxg5#
      • 1...d2
        • 2.Sf5+
          • 2...Kh5
            • 3.Seg7+
              • 3...Kg5
                • 4.Bxd2#
            • 3.Bxd2
              • threat
                • 4.Seg7#

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).