Problem Display
PID: 237900 (1b5B/5B1n/1N1p2R1/2pp1kp1/4ppp1/5pr1/3P4/3K2n1 w - - 0 1)

Kaiser, Gerhard

Schach, 1953

1b5B/5B1n/1N1p2R1/2pp1kp1/4ppp1/5pr1/3P4/3K2n1

#4

6 + 13


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rh6!
      • threat
        • 2.Be6#
      • 1...Sf6
        • 2.Rxf6+
          • 2...Ke5
            • 3.Rh6+
              • 3...Kf5
                • 4.Be6#
      • 1...e3
        • 2.Be6+
          • 2...Ke4
            • 3.d3+
              • 3...Kxd3
                • 4.Bf5#
      • 1...Sf8
        • 2.Rxd6
          • threat
            • 3.Rxd5+
              • 3...Be5
                • 4.Rxe5#
          • 2...Bxd6
            • 3.Sc8
              • threat
                • 4.Sxd6#
              • 3...Be5
                • 4.Se7#
              • 3...Bc7
                • 4.Se7#
              • 3...Be7
                • 4.Sxe7#
              • 3...Bb8
                • 4.Se7#
          • 2...e3
            • 3.Rxd5+
              • 3...Ke4
                • 4.d3#
              • 3...Be5
                • 4.Rxe5#
          • 2...Bc7
            • 3.Rxd5+
              • 3...Be5
                • 4.Rxe5#
          • 2...d4
            • 3.Rd5+
              • 3...Be5
                • 4.Rxe5#
            • 3.Rf6+
              • 3...Ke5
                • 4.Sc4#

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).