Problem Display
PID: 59899 (q7/p1N2p2/2pp1Q1b/8/r2pkp1P/1b5P/1B1Pp1PK/4N3 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

StrateGems, 2005

q7/p1N2p2/2pp1Q1b/8/r2pkp1P/1b5P/1B1Pp1PK/4N3

#4

9 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Kg1!
      • threat
        • 2.d3+
          • 2...Ke3
            • 3.Bc1#
      • 1...Rc4
        • 2.Qe7+
          • 2...Kf5
            • 3.Qxf7+
              • 3...Ke4
                • 4.Qe6#
              • 3...Ke5
                • 4.Qe6#
      • 1...Bc2
        • 2.Qe7+
          • 2...Kf5
            • 3.Qxf7+
              • 3...Ke4
                • 4.Qe6#
              • 3...Ke5
                • 4.Qe6#
      • 1...Bc4
        • 2.g4
          • threat
            • 3.Qxd4#
            • 3.Qf5#
          • 2...fxg4 ep
            • 3.Qxd4+
              • 3...Kf5
                • 4.Qg4#
          • 2...Be6
            • 3.d3+
              • 3...Ke3
                • 4.Bc1#
      • 1...d3
        • 2.Qxd6
          • threat
            • 3.Qe5#
            • 3.Qxd3#
          • 2...Kf5
            • 3.Qf6+
              • 3...Ke4
                • 4.Qe5#
          • 2...Rd4
            • 3.Qxd4+
              • 3...Kf5
                • 4.Qxd3#

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).