Problem Display
PID: 72110 (8/3R1B2/1k6/8/1P6/4K3/1N6/8 w - - 0 1)

Holden, Herb

StrateGems, 2007

8/3R1B2/1k6/8/1P6/4K3/1N6/8

#4

5 + 1


5454 Near Snap 2023

SOLUTION


  • SOUND
  • Keys
    • 1.Bb3!
      • 1...Kb5
        • 2.Rd6
          • 2...Kxb4
            • 3.Rb6+
              • 3...Ka3
                • 4.Sc4#
              • 3...Kc3
                • 4.Sd1#
                • 4.Sa4#
              • 3...Ka5
                • 4.Sc4#
              • 3...Kc5
                • 4.Sa4#
      • 1...Ka6
        • 2.Ba4
          • 2...Kb6
            • 3.Sc4+
              • 3...Ka6
                • 4.b5#
      • 1...Kc6
        • 2.Ba4+
          • 2...Kb6
            • 3.Sc4+
              • 3...Ka6
                • 4.b5#

Anticipated by 233080(1939)

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).