Problem Display
PID: 163873 (b2K2N1/2BP2p1/2pNp1P1/r3k2r/2P1B1Pp/4P1R1/p1R3p1/b3n1n1 w - - 0 1)

Kuzovkov, Aleksandr S

1st Prize, Zadachi i Etyudi, 2014

b2K2N1/2BP2p1/2pNp1P1/r3k2r/2P1B1Pp/4P1R1/p1R3p1/b3n1n1

#4

12 + 13


145 StrateGems 2016
56 The Problemist 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rc3!
      • threat
        • 2.Se8+
          • 2...Kxe4
            • 3.Sef6+
              • 3...gxf6
                • 4.Sxf6#
            • 3.Sgf6+
              • 3...gxf6
                • 4.Sxf6#
      • 1...Bxc3
        • 2.Bd3
          • threat
            • 3.Se4#
            • 3.Sb5#
            • 3.Sf5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
          • 2...Sxd3
            • 3.Sb5+
              • 3...Ke4
                • 4.Sxc3#
      • 1...hxg3
        • 2.Bf3
          • threat
            • 3.Se4#
            • 3.Sb5#
            • 3.Sf5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
          • 2...Sexf3
            • 3.Sf5+
              • 3...Ke4
                • 4.Sxg3#
          • 2...Sgxf3
            • 3.Sf5+
              • 3...Ke4
                • 4.Sxg3#
      • 1...Rd5
        • 2.Bxd5
          • threat
            • 3.Se4#
            • 3.Sb5#
            • 3.Sf5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
          • 2...cxd5
            • 3.Sb7+
              • 3...Ke4
                • 4.Sc5#
          • 2...exd5
            • 3.Sb7+
              • 3...Ke4
                • 4.Sc5#
              • 3...Ke6
                • 4.Sc5#
      • 1...Ra7
        • 2.Bd5
          • threat
            • 3.Sb7#
            • 3.Sf7#
          • 2...cxd5
            • 3.Sb7+
              • 3...Ke4
                • 4.Sc5#
          • 2...exd5
            • 3.Sb7+
              • 3...Ke4
                • 4.Sc5#
              • 3...Ke6
                • 4.Sc5#
      • 1...Rf5
        • 2.Bxf5
          • threat
            • 3.Se4#
            • 3.Sb5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
          • 2...exf5
            • 3.Sf7+
              • 3...Ke4
                • 4.Sg5#
              • 3...Ke6
                • 4.Sg5#
      • 1...Rh8
        • 2.Bf5
          • threat
            • 3.Se4#
            • 3.Sb5#
            • 3.Sb7#
            • 3.Sf7#
            • 3.Sc8#
            • 3.Se8#
          • 2...exf5
            • 3.Sf7+
              • 3...Ke4
                • 4.Sg5#
              • 3...Ke6
                • 4.Sg5#

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).