Problem Display
PID: 239461 (8/8/2Np2p1/3K2R1/4p2B/4k3/N3P3/5B2 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Variantim, 2007

8/8/2Np2p1/3K2R1/4p2B/4k3/N3P3/5B2

#3

7 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Sc3?
      • 1...Kf4
        • 2.Kd4
          • threat
            • 3.Sd5#
          • 2...d5
            • 3.Sxd5#
      • 1...Kd2!
    • 1.Sab4?
      • 1...Kf4
        • 2.Kd4
          • threat
            • 3.Sd5#
          • 2...d5
            • 3.Sxd5#
      • 1...Kd2!
    • 1.Sd4?
      • 1...Kf4
        • 2.Rg2
          • threat
            • 3.Bg5#
          • 2...Ke3
            • 3.Bg5#
          • 2...g5
            • 3.Bxg5#
      • 1...Kd2!
    • 1.Se7?
      • 1...Kf4
        • 2.Kd4
          • threat
            • 3.Sd5#
            • 3.Sxg6#
        • 2.Rg2
          • threat
            • 3.Bg5#
          • 2...Ke3
            • 3.Bg5#
          • 2...g5
            • 3.Bxg5#
      • 1...Kd2!
    • 1.Sd8?
      • 1...Kf4
        • 2.Kd4
          • threat
            • 3.Se6#
      • 1...Kd2!
    • 1.Rg2?
      • threat
        • 2.Bg5#
      • 1...Kf4
        • 2.Sd4
          • threat
            • 3.Bg5#
          • 2...Ke3
            • 3.Bg5#
          • 2...g5
            • 3.Bxg5#
        • 2.Se7
          • threat
            • 3.Bg5#
          • 2...Ke3
            • 3.Bg5#
          • 2...g5
            • 3.Bxg5#
        • 2.Bg5+
          • 2...Kf5
            • 3.Sd4#
            • 3.Se7#
      • 1...Kd2!
  • Keys
    • 1.Scb4!
      • 1...Kd2
        • 2.Kxe4
          • threat
            • 3.Rd5#
          • 2...d5+
            • 3.Rxd5#
          • 2...Kd1
            • 3.Rd5#
      • 1...Kf4
        • 2.Kd4
          • threat
            • 3.Sd5#
          • 2...d5
            • 3.Sxd5#

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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).