Problem Display
PID: 32920 (8/1Q4p1/3k4/6P1/3K4/8/b4B2/8 w - - 0 1)

Speckmann, Werner

64 Shakhmatnoe obozrenie, 1982

8/1Q4p1/3k4/6P1/3K4/8/b4B2/8

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.g6!
      • threat
        • 2.Bg3+
          • 2...Ke6
            • 3.Qf7#
      • 1...Ke6
        • 2.Bh4
          • threat
            • 3.Qc6+
              • 3...Kf5
                • 4.Qe4#
            • 3.Qe7+
              • 3...Kf5
                • 4.Qe4#
          • 2...Kd6
            • 3.Bg3+
              • 3...Ke6
                • 4.Qf7#
      • 1...Bg8
        • 2.Bh4
          • 2...Ba2
            • 3.Bg3+
              • 3...Ke6
                • 4.Qf7#
          • 2...Bb3
            • 3.Bg3+
              • 3...Ke6
                • 4.Qf7#
          • 2...Bc4
            • 3.Bg3+
              • 3...Ke6
                • 4.Qf7#
          • 2...Bd5
            • 3.Bg3+
              • 3...Ke6
                • 4.Qf7#
          • 2...Bf7
            • 3.Bg3+
              • 3...Ke6
                • 4.Qxf7#
          • 2...Bh7
            • 3.Bg3+
              • 3...Ke6
                • 4.Qf7#

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).