Problem Display
PID: 187394 (5R2/2N1QP2/1P1pP1N1/5P2/1K1k1Pp1/3p4/6P1/8 w - - 0 1)

Ehlers, Rainer

StrateGems, 2018

5R2/2N1QP2/1P1pP1N1/5P2/1K1k1Pp1/3p4/6P1/8

#5

11 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qc7
          • threat
            • 3.Qc4#
          • 2...Ke4
            • 3.Sh4
              • threat
                • 4.Qc4#
              • 3...Kd4
                • 4.Qc4#
              • 3...Kxd5
                • 4.Qc4#
            • 3.Sge7
              • threat
                • 4.Qc4#
              • 3...Kd4
                • 4.Qc4#
      • 1...Kxd5
        • 2.Qxd6+
          • 2...Kxd6
            • 3.Se7
              • threat
                • 4.Rd8+
                  • 4...Kxe7
                    • 5.f8Q#
              • 3...Kxe7
                • 4.Rd8
                  • threat
                    • 5.f8Q#
                  • 4...Kf6
                    • 5.f8Q#
                  • 4...Kxd8
                    • 5.f8Q#

FEATURES


NOT CLASSIFIED


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).