Problem Display
PID: 187320 (8/4Q3/4P3/3P1P2/3R1R2/1pp1K1pp/8/1r2k2r w - - 0 1)

Kozdon, Baldur

5th Comm., Schach-Aktiv, 2011

8/4Q3/4P3/3P1P2/3R1R2/1pp1K1pp/8/1r2k2r

#4

7 + 7


15511 harmonie-aktiv 2013

SOLUTION


  • SOUND
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qxg3#
      • 1...Rg1
        • 2.Qe5
          • threat
            • 3.Kf3+
              • 3...Kf1
                • 4.Qe2#
          • 2...Rd1
            • 3.Kf3+
              • 3...Kf1
                • 4.Rxd1#
                • 4.Qe2#
          • 2...Rb2
            • 3.Kf3+
              • 3...Kf1
                • 4.Rd1#
              • 3...Re2
                • 4.Qxe2#
          • 2...Rf1
            • 3.Kd3+
              • 3...Kd1
                • 4.Rxf1#
          • 2...Rh1
            • 3.Qe4
              • threat
                • 4.Qxb1#
                • 4.Qxh1#
          • 2...Rg2
            • 3.Kd3+
              • 3...Kd1
                • 4.Rf1#
              • 3...Re2
                • 4.Qxe2#
          • 2...g2
            • 3.Kf3+
              • 3...Kf1
                • 4.Kg3#
                • 4.Kg4#
                • 4.Qe2#

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).