Problem Display
PID: 56489 (R1nk1K2/1Rppp3/P7/7P/2p5/1b6/2r1P2b/Q7 w - - 0 1)

Delobel, Bernard

3rd Comm., StrateGems, 2003

R1nk1K2/1Rppp3/P7/7P/2p5/1b6/2r1P2b/Q7

#4

7 + 9


145 StrateGems 2005

SOLUTION


  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Rxc8+
          • 2...Kxc8
            • 3.Rb8+
              • 3...Kxb8
                • 4.Qb7#
      • 1...d5
        • 2.Qxd5+
          • 2...Bd6
            • 3.Qe6
              • threat
                • 4.Rxc8#
                • 4.Qxc8#
      • 1...c5
        • 2.Qxh2
          • threat
            • 3.Qc7#
          • 2...d6
            • 3.Qh3
              • threat
                • 4.Rd7#
                • 4.Rxc8#
                • 4.Qd7#
                • 4.Qxc8#
              • 3...e6
                • 4.Qh4#
      • 1...c6
        • 2.Qxh2
          • threat
            • 3.Qc7#
          • 2...d6
            • 3.Qh3
              • threat
                • 4.Rd7#
                • 4.Rxc8#
                • 4.Qd7#
                • 4.Qxc8#
              • 3...e6
                • 4.Qh4#

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).