Problem Display
PID: 164739 (4Q3/5K2/8/1p6/4pBp1/4PkP1/5n2/5B2 w - - 0 1)

Rumyantsev, Sergei Yuryewitch

Phenix, 1991

4Q3/5K2/8/1p6/4pBp1/4PkP1/5n2/5B2

#4

6 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qa2
          • threat
            • 3.Qe2#
      • 1...Sd1
        • 2.Qa2
          • threat
            • 3.Bg2#
            • 3.Qe2#
            • 3.Qg2#
          • 2...Sb2
            • 3.Qxb2
              • 3...b4
                • 4.Bg2#
                • 4.Qe2#
                • 4.Qg2#
      • 1...Sd3
        • 2.Qxe4+
          • 2...Kf2
            • 3.Qg2+
              • 3...Ke1
                • 4.Qe2#
          • 2...Kxe4
            • 3.Bg2+
              • 3...Kf5
                • 4.e4#
      • 1...Sh3
        • 2.Qxg4+
          • 2...Kf2
            • 3.Qe2+
              • 3...Kg1
                • 4.Qg2#
          • 2...Kxg4
            • 3.Be2+
              • 3...Kf5
                • 4.g4#

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).