Problem Display
PID: 51929 (8/1N1p3r/np1R2b1/1N1pn3/2k3p1/K5p1/1R2P3/8 w - - 0 1)

Shavirin, Valery Mikhailovich

1st Prize, Romanian Federation Cup, 2002

8/1N1p3r/np1R2b1/1N1pn3/2k3p1/K5p1/1R2P3/8

#4

6 + 10


145 StrateGems 2004
15174 FIDE Album (2001-2003) 2011

SOLUTION


  • SOUND
  • Keys
    • 1.Rb3!
      • threat
        • 2.Rc6+
          • 2...Sxc6
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
          • 2...dxc6
            • 3.S5d6+
              • 3...Kd4
                • 4.e3#
      • 1...Bd3
        • 2.Rxb6
          • threat
            • 3.Rc3#
          • 2...d4
            • 3.Rd6
              • threat
                • 4.Rxd4#
              • 3...Sb4
                • 4.Rxb4#
              • 3...Sf3
                • 4.exd3#
              • 3...Sc6
                • 4.exd3#
      • 1...Sd3
        • 2.Rc6+
          • 2...dxc6
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
      • 1...Sf3
        • 2.Rc6+
          • 2...dxc6
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
      • 1...Sc6
        • 2.Rxc6+
          • 2...dxc6
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
      • 1...Sf7
        • 2.Rxd7
          • threat
            • 3.Rc7+
              • 3...Sc5
                • 4.Rb4#
              • 3...Sxc7
                • 4.Rb4#
          • 2...Se5
            • 3.S5d6+
              • 3...Kd4
                • 4.e3#
          • 2...Sg5
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
          • 2...Sd6
            • 3.S7xd6+
              • 3...Kc5
                • 4.Rc3#
          • 2...Sh6
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
          • 2...Sd8
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#
          • 2...Sh8
            • 3.S7d6+
              • 3...Kc5
                • 4.Rc3#

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).