Problem Display
PID: 75405 (K2B4/1N1B1p1n/5p2/Rp5r/1p2k3/2pRPN2/4Pp1b/6q1 w - - 0 1)

Chepizhni, Viktor Ivanovich

Rudenko, Valentin Fedorovich

2nd Prize, The Problemist, 2007

K2B4/1N1B1p1n/5p2/Rp5r/1p2k3/2pRPN2/4Pp1b/6q1

#3

9 + 11


56 The Problemist 2008

SOLUTION


  • SOUND
  • Sets
    • 1...Rh3
      • 2.Sc5#
    • 1...Rh4
      • 2.Sc5#
    • 1...Rc5
      • 2.Sxc5#
    • 1...Re5
      • 2.Sd6#
    • 1...Rh6
      • 2.Sc5#
    • 1...Be5
      • 2.Sc5#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Sg5
      • 2.Sc5#
    • 1...c2
      • 2.Sd2+
        • 2...Ke5
          • 3.Bc7#
          • 3.Rxb5#
    • 1...f5
      • 2.Sc5#
      • 2.Bc6#
  • Tries
    • 1.Sd2+?
      • 1...Ke5
        • 2.Bc7#
        • 2.Rxb5#
      • 1...cxd2!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc5+
          • 2...Kxe5
            • 3.Bc7#
        • 2.Sd6+
          • 2...Kxe5
            • 3.Rxb5#
      • 1...Kxe5
        • 2.Rd4
          • threat
            • 3.Bc7#
            • 3.Rxb5#
      • 1...Qa1
        • 2.Sc5+
          • 2...Kxe5
            • 3.Bc7#
      • 1...Qh1
        • 2.Bc7
          • threat
            • 3.Sc5#
          • 2...Rxe5
            • 3.Sd6#
      • 1...Qg2
        • 2.Rxb5
          • threat
            • 3.Sd6#
          • 2...Bxe5
            • 3.Sc5#
      • 1...Qg8
        • 2.Sd6+
          • 2...Kxe5
            • 3.Rxb5#
      • 1...f5
        • 2.Sf3
          • threat
            • 3.Sc5#
            • 3.Bc6#
          • 2...f4
            • 3.Sd6#
        • 2.Sc4
          • threat
            • 3.Sc5#
            • 3.Bc6#
            • 3.Rd4#
        • 2.Sc6
          • threat
            • 3.Sc5#
          • 2...Bd6
            • 3.Sxd6#
          • 2...f4
            • 3.Sd6#
        • 2.Sxf7
          • threat
            • 3.Sc5#
            • 3.Bc6#
          • 2...f4
            • 3.Sbd6#
        • 2.Sd6+
          • 2...Kxe5
            • 3.Rxb5#

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).