Problem Display
PID: 251646 (1N1K4/1p3p1b/PP1k1p1n/1R3p2/1P3R2/NBb2PP1/5r2/3r2B1 w - - 0 1)

Gavrilovski, Zoran

The Problemist, 2021

1N1K4/1p3p1b/PP1k1p1n/1R3p2/1P3R2/NBb2PP1/5r2/3r2B1

#4

12 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Ra5!
      • threat
        • 2.Sb5+
          • 2...Ke5+
            • 3.Sd4+
              • 3...Kd6
                • 4.Rd5#
      • 1...Bxb4
        • 2.Sc4+
          • 2...Ke6+
            • 3.Sd2+
              • 3...Kd6
                • 4.Rd4#
      • 1...bxa6
        • 2.Rc4
          • threat
            • 3.Rc6#
          • 2...Rd5
            • 3.Rc6+
              • 3...Ke5+
                • 4.Rxd5#
      • 1...Rd4
        • 2.Sb5+
          • 2...Ke5+
            • 3.Sxd4+
              • 3...Kd6
                • 4.Rd5#
        • 2.Rxd4+
          • 2...Bxd4
            • 3.Sb5+
              • 3...Ke5
                • 4.Sd7#
      • 1...Ra2
        • 2.Bc5+
          • 2...Ke5+
            • 3.Bd4+
              • 3...Kd6
                • 4.Sb5#

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).