Problem Display
PID: 216780 (2N5/1R1p4/3P1K2/1R2P3/2k5/p7/2p5/n1N5 w - - 0 1)

Shinkman, William Anthony

Hartford Times, 1890

2N5/1R1p4/3P1K2/1R2P3/2k5/p7/2p5/n1N5

#4

7 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rd5!
      • threat
        • 2.Rbb5
          • threat
            • 3.Sb6+
              • 3...Kc3
                • 4.Sa2#
                • 4.Se2#
                • 4.Rd3#
            • 3.Sa2
              • threat
                • 4.Sb6#
            • 3.Se2
              • threat
                • 4.Sb6#
          • 2...Kc3
            • 3.Sa2+
              • 3...Kc4
                • 4.Sb6#
            • 3.Se2+
              • 3...Kc4
                • 4.Sb6#
            • 3.Sb6
              • threat
                • 4.Sa2#
                • 4.Se2#
                • 4.Rd3#
              • 3...Sb3
                • 4.Rxb3#
          • 2...Sb3
            • 3.Sb6+
              • 3...Kc3
                • 4.Rxb3#
      • 1...Kc3
        • 2.Sa2+
          • 2...Kc4
            • 3.Se7
              • threat
                • 4.Rb4#
            • 3.Rbb5
              • threat
                • 4.Sb6#
        • 2.Se2+
          • 2...Kc4
            • 3.Rbb5
              • threat
                • 4.Sb6#
        • 2.Rbb5
          • threat
            • 3.Sa2+
              • 3...Kc4
                • 4.Sb6#
            • 3.Se2+
              • 3...Kc4
                • 4.Sb6#
            • 3.Sb6
              • threat
                • 4.Sa2#
                • 4.Se2#
                • 4.Rd3#
              • 3...Sb3
                • 4.Rxb3#
          • 2...Kc4
            • 3.Sb6+
              • 3...Kc3
                • 4.Sa2#
                • 4.Se2#
                • 4.Rd3#
            • 3.Sa2
              • threat
                • 4.Sb6#
            • 3.Se2
              • threat
                • 4.Sb6#
          • 2...Sb3
            • 3.Rxb3+
              • 3...Kc4
                • 4.Sb6#
      • 1...Kxd5
        • 2.Rb4
          • threat
            • 3.Se7+
              • 3...Kc5
                • 4.Sd3#
            • 3.Sd3
              • threat
                • 4.Se7#
              • 3...Kc6
                • 4.Se7#
          • 2...Kc5
            • 3.Sd3+
              • 3...Kd5
                • 4.Se7#
              • 3...Kc6
                • 4.Se7#
          • 2...Kc6
            • 3.Se7+
              • 3...Kc5
                • 4.Sd3#
            • 3.Sd3
              • threat
                • 4.Se7#
              • 3...Kd5
                • 4.Se7#
      • 1...Sb3
        • 2.Rb4+
          • 2...Kc3
            • 3.Rxb3+
              • 3...Kc4
                • 4.Sb6#
          • 2...Kxb4
            • 3.Sa2+
              • 3...Ka4
                • 4.Sb6#
              • 3...Kc4
                • 4.Sb6#
          • 2...Kxd5
            • 3.Se7+
              • 3...Kc5
                • 4.Sd3#
            • 3.Sxb3
              • threat
                • 4.Se7#
              • 3...Kc6
                • 4.Se7#
      • 1...a2
        • 2.Rbb5
          • threat
            • 3.Sb6+
              • 3...Kc3
                • 4.Sxa2#
                • 4.Se2#
                • 4.Rd3#
            • 3.Sxa2
              • threat
                • 4.Sb6#
            • 3.Se2
              • threat
                • 4.Sb6#
          • 2...Kc3
            • 3.Sxa2+
              • 3...Kc4
                • 4.Sb6#
            • 3.Se2+
              • 3...Kc4
                • 4.Sb6#
            • 3.Sb6
              • 3...Sb3
                • 4.Rxb3#
          • 2...Sb3
            • 3.Sb6+
              • 3...Kc3
                • 4.Rxb3#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).