Problem Display
PID: 212966 (n2R4/1p3p2/1rk2P1K/P1p5/R7/N7/1P5B/1B5b w - - 0 1)

Goumondy, Claude

The Problemist, 1987

n2R4/1p3p2/1rk2P1K/P1p5/R7/N7/1P5B/1B5b

#4

9 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Bf5!
      • 1...Rxb2
        • 2.Rd6+
          • 2...Kc7
            • 3.Rd2+
              • 3...Kc6
                • 4.Bd7#
      • 1...Rb3
        • 2.Rd6+
          • 2...Kc7
            • 3.Rd3+
              • 3...Kc6
                • 4.Bd7#
      • 1...Rb4
        • 2.Rd6+
          • 2...Kc7
            • 3.Rd4+
              • 3...Kc6
                • 4.Bd7#
      • 1...Rb5
        • 2.Rd6+
          • 2...Kc7
            • 3.Sxb5+
              • 3...Kb8
                • 4.Rd8#
            • 3.Rd1+
              • 3...Kc6
                • 4.Bd7#
            • 3.Rd2+
              • 3...Kc6
                • 4.Bd7#
            • 3.Rd3+
              • 3...Kc6
                • 4.Bd7#
            • 3.Rdd4+
              • 3...Kc6
                • 4.Bd7#
            • 3.Ra6+
              • 3...Kd8
                • 4.Rxa8#
      • 1...Ra6
        • 2.Rd6+
          • 2...Kc7
            • 3.Sb5+
              • 3...Kb8
                • 4.Rd8#
            • 3.Rxa6+
              • 3...Kd8
                • 4.Rxa8#
      • 1...Bg2
        • 2.Bd7+
          • 2...Kd5
            • 3.Bh3+
              • 3...Kc6
                • 4.Bxg2#
              • 3...Rd6
                • 4.Rxd6#
      • 1...Bf3
        • 2.Bd7+
          • 2...Kd5
            • 3.Bg4+
              • 3...Kc6
                • 4.Bxf3#
              • 3...Rd6
                • 4.Rxd6#

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).