Problem Display
PID: 268924 (8/2p2N2/8/3k1B2/8/4P3/8/2R3K1 w - - 0 1)

Dowd, Steven B

Problemist Ukraini, 2023

8/2p2N2/8/3k1B2/8/4P3/8/2R3K1

#5

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Kf2!
      • threat
        • 2.e4+
          • 2...Kd4
            • 3.Ke2
              • threat
                • 4.Be6
                  • threat
                    • 5.Rc4#
                  • 4...Kxe4
                    • 5.Rc4#
              • 3...c5
                • 4.Be6
                  • threat
                    • 5.Rc4#
                  • 4...Kxe4
                    • 5.Rc4#
                  • 4...c4
                    • 5.Rxc4#
      • 1...c5
        • 2.Bd7
          • 2...c4
            • 3.Rb1
              • threat
                • 4.Rb5+
                  • 4...Ke4
                    • 5.Bf5#
              • 3...Ke4
                • 4.Rd1
                  • 4...c3
                    • 5.Rd4#
              • 3...c3
                • 4.Rb5+
                  • 4...Kc4
                    • 5.Se5#
                  • 4...Ke4
                    • 5.Bf5#
      • 1...c6
        • 2.e4+
          • 2...Kd4
            • 3.Ke2
              • 3...c5
                • 4.Be6
                  • threat
                    • 5.Rc4#
                  • 4...Kxe4
                    • 5.Rc4#
                  • 4...c4
                    • 5.Rxc4#

FEATURES


NOT CLASSIFIED


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).