Problem Display
PID: 198041 (8/8/R7/5k2/R7/3pP3/K2B4/8 w - - 0 1)

Mascher, Fritz

Deutsches Wochenschach, 1921

8/8/R7/5k2/R7/3pP3/K2B4/8

#4

5 + 2


6490 yacpdb 2019

SOLUTION


  • COOKED
  • Keys
    • 1.Rf4+!
      • 1...Ke5
        • 2.e4
          • 2...Kd4
            • 3.Ra5
              • 3...Kc4
                • 4.e5#
      • 1...Kg5
        • 2.Bb4
          • threat
            • 3.Be7+
              • 3...Kh5
                • 4.Rh4#
          • 2...Kh5
            • 3.Be7
              • 3...d2
                • 4.Rh4#
        • 2.Ba5
          • threat
            • 3.Bd8+
              • 3...Kh5
                • 4.Rh4#
          • 2...Kh5
            • 3.Bd8
              • 3...d2
                • 4.Rh4#
    • 1.Rh4!
      • threat
        • 2.e4+
          • 2...Ke5
            • 3.Bc3#
      • 1...Ke5
        • 2.e4
          • 2...Kd4
            • 3.Ra5
              • 3...Kc4
                • 4.e5#
            • 3.Rc6
              • 3...Ke5
                • 4.Bc3#
      • 1...Kg5
        • 2.Rah6
          • 2...Kf5
            • 3.e4+
              • 3...Ke5
                • 4.Bc3#

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).