Problem Display
PID: 140549 (N2k3K/3B1pBN/b1P3pp/p1p1P3/2P5/P2p1rp1/4Pq1b/2Q2r2 w - - 0 1)

Satanovsky, Mikhail S

StrateGems, 2006

N2k3K/3B1pBN/b1P3pp/p1p1P3/2P5/P2p1rp1/4Pq1b/2Q2r2

#4

11 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qxa5+
          • 2...Ke7
            • 3.Bf8#
      • 1...Qe1
        • 2.Qxh6
          • threat
            • 3.Bf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...Ke7
            • 3.Bf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...R3f2
            • 3.Bf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...Re3
            • 3.Bf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...Rf4
            • 3.Bf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...Rf5
            • 3.Bf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...Rf6
            • 3.Bxf6+
              • 3...Rxf6
                • 4.Qf8#
          • 2...f6
            • 3.Qxg6
              • threat
                • 4.Qe8#
              • 3...Ke7
                • 4.Qe8#
      • 1...Rb1
        • 2.Qxa5+
          • 2...Rb6
            • 3.Qxb6+
              • 3...Ke7
                • 4.Bf8#
            • 3.Bf8
              • threat
                • 4.Qxb6#
      • 1...f6
        • 2.Qxa5+
          • 2...Ke7
            • 3.Bf8+
              • 3...Kf7
                • 4.e6#
        • 2.Bf8
          • threat
            • 3.Qxa5#
          • 2...Qe1
            • 3.e6
              • threat
                • 4.c7#
                • 4.e7#
          • 2...Rb1
            • 3.Qxa5+
              • 3...Rb6
                • 4.Qxb6#
            • 3.e6
              • threat
                • 4.c7#
                • 4.e7#

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).