Problem Display
PID: 239455 (K1Q4n/1Nppp2b/Rpk2ppN/8/2P1p2b/pn1P1P2/4r3/8 w - - 0 1)

Roche, Jean

Rotenberg, Jacques

Variantim, 2007

K1Q4n/1Nppp2b/Rpk2ppN/8/2P1p2b/pn1P1P2/4r3/8

#5

8 + 14


SOLUTION


  • SOUND
  • Keys
    • 1.Sg8!
      • threat
        • 2.Sxe7#
      • 1...Bxg8
        • 2.Qxg8
          • threat
            • 3.Qd5#
          • 2...Sf7
            • 3.Qxf7
              • threat
                • 4.Qd5#
              • 3...e6
                • 4.Qe7
                  • threat
                    • 5.Sd8#
                  • 4...d6
                    • 5.Qe8#
          • 2...e6
            • 3.Qf8
              • threat
                • 4.Sd8#
              • 3...Sf7
                • 4.Qb4
                  • threat
                    • 5.Qa4#
                    • 5.Qb5#
                  • 4...Sd4
                    • 5.Sa5#
                    • 5.Qc5#
                  • 4...Sd6
                    • 5.Sd8#
              • 3...f5
                • 4.Qb4
                  • threat
                    • 5.Qa4#
                    • 5.Qb5#
                  • 4...Sd4
                    • 5.Sa5#
                    • 5.Qc5#
      • 1...exd3
        • 2.Kb8
          • threat
            • 3.Qxc7#
          • 2...Bg3
            • 3.f4
              • threat
                • 4.Qxc7#
              • 3...Bxf4
                • 4.Ka7
                  • threat
                    • 5.Rxb6#
                  • 4...Be3
                    • 5.Sxe7#
      • 1...exf3
        • 2.Ka7
          • threat
            • 3.Rxb6#
          • 2...Bf2
            • 3.d4
              • threat
                • 4.Rxb6#
                • 4.d5#
              • 3...Bxd4
                • 4.Kb8
                  • threat
                    • 5.Qxc7#
                  • 4...Be5
                    • 5.Sxe7#

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).