Problem Display
PID: 212735 (4R1Q1/8/1P1p1p2/2nR1K2/2k5/2b1P3/2P5/8 w - - 0 1)

Brewster, ES

American Chess Nuts, 1868

4R1Q1/8/1P1p1p2/2nR1K2/2k5/2b1P3/2P5/8

#4

7 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rxc5+!
      • 1...Kxc5
        • 2.Qd5+
          • 2...Kb4
            • 3.Qb3+
              • 3...Ka5
                • 4.Ra8#
              • 3...Kc5
                • 4.Rc8#
          • 2...Kxd5
            • 3.Rc8
              • 3...Ba1
                • 4.c4#
              • 3...Be1
                • 4.c4#
              • 3...Bb2
                • 4.c4#
              • 3...Bd2
                • 4.c4#
              • 3...Bb4
                • 4.c4#
              • 3...Bd4
                • 4.c4#
                • 4.e4#
              • 3...Ba5
                • 4.c4#
              • 3...Be5
                • 4.c4#
          • 2...Kxb6
            • 3.Rb8+
              • 3...Ka6
                • 4.Qa8#
              • 3...Ka7
                • 4.Qb7#
                • 4.Qa8#
              • 3...Kc7
                • 4.Qb7#

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).