Problem Display
PID: 58830 (8/8/br2pB1p/1p2Pk1B/N2p2p1/1PpN2p1/P3PbQ1/K2n4 w - - 0 1)

Bruchner, Siegfried

Freie Presse, 1977

8/8/br2pB1p/1p2Pk1B/N2p2p1/1PpN2p1/P3PbQ1/K2n4

#4

10 + 12


1099 WCSC 1980
5396 World Chess Solving Championship 1977-1996 1997

SOLUTION


  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Bg6+
          • 2...Kxg6
            • 3.Qh5+
              • 3...Kxh5
                • 4.Sf4#
              • 3...Kh7
                • 4.Qf7#
      • 1...Rb7
        • 2.Sac5
          • threat
            • 3.Qe4#
          • 2...g2
            • 3.Qxg2
              • threat
                • 4.Qe4#
                • 4.Qxg4#
      • 1...Be3
        • 2.Qe4+
          • 2...Kxe4
            • 3.Bg6+
              • 3...Kd5
                • 4.Sb4#

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).