Problem Display
PID: 201853 (8/2p5/2p2p2/2P1pRP1/1pB1k1P1/2P4P/2P2B2/3K4 w - - 0 1)

Ubeleisen, Adam

Arbeiter Schachzeitung, 1924

8/2p5/2p2p2/2P1pRP1/1pB1k1P1/2P4P/2P2B2/3K4

#4

10 + 6


6490 yacpdb 2020

SOLUTION


  • COOKED
  • Keys
    • 1.Ke2!
      • 1...bxc3
        • 2.Bg1
          • 2...fxg5
            • 3.Rf2
              • 3...Kd4
                • 4.Rf4#
        • 2.Bg8
          • 2...fxg5
            • 3.Rf7
              • 3...Kd5
                • 4.Rf4#
      • 1...fxg5
        • 2.Bg1
          • 2...bxc3
            • 3.Rf2
              • 3...Kd4
                • 4.Rf4#
          • 2...b3
            • 3.Bh2
              • threat
                • 4.Rxe5#
        • 2.Bg8
          • 2...bxc3
            • 3.Rf7
              • 3...Kd5
                • 4.Rf4#
          • 2...b3
            • 3.Bg3
              • threat
                • 4.Rxe5#
      • 1...b3
        • 2.Rxf6
          • threat
            • 3.Bd3+
              • 3...Kd5
                • 4.c4#
        • 2.cxb3
          • 2...fxg5
            • 3.Bd4
              • 3...exd4
                • 4.Bd3#
    • 1.Bb3!
      • threat
        • 2.c4
          • 2...fxg5
            • 3.Ba4
              • 3...b3
                • 4.Bxc6#
      • 1...bxc3
        • 2.Bg8
          • 2...fxg5
            • 3.Rf7
              • 3...Kd5
                • 4.Rf4#
      • 1...fxg5
        • 2.Rf8
          • 2...bxc3
            • 3.Bf7
              • 3...Kf3
                • 4.Bd5#
              • 3...Kf4
                • 4.Bd5#
                • 4.Bg6#

FEATURES


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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).