Problem Display
PID: 250837 (K6B/8/1b1p3R/1Qpk3P/P3pp2/p4P2/qp3pp1/2r3r1 w - - 0 1)

Fomichev, Evgeny Vasilevich

Uralski Problemist, 2010

K6B/8/1b1p3R/1Qpk3P/P3pp2/p4P2/qp3pp1/2r3r1

#4

7 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Rf6!
      • threat
        • 2.Rf5+
          • 2...Ke6
            • 3.Qe8+
              • 3...Kxf5
                • 4.Qg6#
      • 1...Kd4
        • 2.Rxf4+
          • 2...Ke3
            • 3.Rxe4+
              • 3...Kd2
                • 4.Qe2#
              • 3...Kxf3
                • 4.Qd3#
          • 2...Kd5
            • 3.fxe4+
              • 3...Ke6
                • 4.Qe8#
      • 1...Ke5
        • 2.Rg6+
          • 2...Kd5
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe8#
          • 2...Kf5
            • 3.Qd7+
              • 3...Qe6
                • 4.Qxe6#
      • 1...Bd8
        • 2.Rf5+
          • 2...Ke6
            • 3.Qe8+
              • 3...Kxf5
                • 4.Qg6#
              • 3...Be7
                • 4.Qc8#

FEATURES


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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).