Problem Display
PID: 158600 (1N2b3/Kpp1p3/n3p2r/2p1k1p1/1p5b/2P3p1/PPB1P3/2BRNR2 w - - 0 1)

Bilyk, Sergey

1st HM., Zadachi i Etyudi, 2011

1N2b3/Kpp1p3/n3p2r/2p1k1p1/1p5b/2P3p1/PPB1P3/2BRNR2

#4

11 + 13


56 The Problemist 2015

SOLUTION


  • SOUND
  • Keys
    • 1.Rd8!
      • threat
        • 2.Sd3+
          • 2...Ke4
            • 3.Sf2+
              • 3...Ke5
                • 4.Sg4#
      • 1...Bd7
        • 2.Sxd7+
          • 2...Kd5
            • 3.Sb6+
              • 3...Ke5
                • 4.Sc4#
              • 3...Kc6
                • 4.Ba4#
          • 2...Kd6
            • 3.Sb6+
              • 3...Ke5
                • 4.Sc4#
              • 3...Kc6
                • 4.Ba4#
      • 1...Bb5
        • 2.Sf3+
          • 2...Kf6
            • 3.Sxg5+
              • 3...Ke5
                • 4.Sf7#
              • 3...Kg7
                • 4.Rf7#
      • 1...Bh5
        • 2.Sd7+
          • 2...Kd5
            • 3.Sb6+
              • 3...Ke5
                • 4.Sc4#
              • 3...Kc6
                • 4.Ba4#
          • 2...Kd6
            • 3.Sb6+
              • 3...Ke5
                • 4.Sc4#
              • 3...Kc6
                • 4.Ba4#
      • 1...Bg6
        • 2.Sd7+
          • 2...Kd5
            • 3.Sb6+
              • 3...Ke5
                • 4.Sc4#
              • 3...Kc6
                • 4.Ba4#
          • 2...Kd6
            • 3.Sb6+
              • 3...Ke5
                • 4.Sc4#
              • 3...Kc6
                • 4.Ba4#
      • 1...c4
        • 2.Be3
          • threat
            • 3.Bd4#
          • 2...Bd7
            • 3.Bd4+
              • 3...Kd5
                • 4.Rxd7#
              • 3...Kd6
                • 4.Rxd7#
          • 2...c5
            • 3.Bd4+
              • 3...cxd4
                • 4.cxd4#

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).