Problem Display
PID: 134187 (r3k2r/pp1pb1p1/1N1p2p1/5P2/4Q3/R2K2R1/8/8 w kq - 0 1)

Hirschenson, Aaron

Navon, Emanuel

StrateGems, 2009

r3k2r/pp1pb1p1/1N1p2p1/5P2/4Q3/R2K2R1/8/8

#4

6 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qxe7#
      • 1...Kf7
        • 2.Qxe7+
          • 2...Kg8
            • 3.Sf6+
              • 3...gxf6
                • 4.Rxg6#
      • 1...Kd8
        • 2.Qxe7+
          • 2...Kc8
            • 3.Rc3+
              • 3...Kb8
                • 4.Qxd6#
      • 1...Kf8
        • 2.Qxe7+
          • 2...Kg8
            • 3.Sf6+
              • 3...gxf6
                • 4.Rxg6#
      • 1...0-0
        • 2.Sxe7+
          • 2...Kf7
            • 3.fxg6+
              • 3...Kf6
                • 4.Sd5#
              • 3...Ke8
                • 4.Sc6#
      • 1...0-0-0
        • 2.Qc4+
          • 2...Kb8
            • 3.Qc7+
              • 3...Ka8
                • 4.Sb6#

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).