Problem Display
PID: 162708 (8/3p4/1P1pN2p/R2p4/p1kP2Qn/P2p1ppr/KP6/6b1 w - - 0 1)

Makaronets, Leonid

Zadachi i Etyudi, 2014

8/3p4/1P1pN2p/R2p4/p1kP2Qn/P2p1ppr/KP6/6b1

#4

8 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rxa4+
          • 2...Kb5
            • 3.Qxd7+
              • 3...Kxb6
                • 4.Sxd5#
      • 1...Kxd4
        • 2.Sxd5+
          • 2...Ke5
            • 3.Qf4+
              • 3...Ke6
                • 4.Qf6#
      • 1...Bxd4
        • 2.Qg8
          • threat
            • 3.Qxd5#
          • 2...Bxb2
            • 3.Qxd5+
              • 3...Kc3
                • 4.Qxd3#
      • 1...Sf5
        • 2.Qxf5
          • threat
            • 3.Qxd3#
            • 3.Qxd5#
          • 2...Kxd4
            • 3.Sg2
              • threat
                • 4.Qf4#
                • 4.Qxd5#
              • 3...Kc4
                • 4.Qxd5#

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).