Problem Display
PID: 205949 (6Q1/b1p4p/2R3p1/r1r5/p1p2BR1/3p4/K6p/7k w - - 0 1)

Brunner, Erich Anselm

Schaffhausen Solving Ty., 1929

6Q1/b1p4p/2R3p1/r1r5/p1p2BR1/3p4/K6p/7k

#4

5 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rxc5!
      • threat
        • 2.Qd5#
      • 1...Rxc5
        • 2.Qe6
          • threat
            • 3.Qe1#
            • 3.Qe4#
          • 2...Re5
            • 3.Qc6+
              • 3...Re4
                • 4.Qxe4#
              • 3...Rd5
                • 4.Qxd5#
            • 3.Bxe5
              • threat
                • 4.Qd5#
                • 4.Qc6#
              • 3...c6
                • 4.Qxc6#
            • 3.Qxe5
              • threat
                • 4.Qe4#
                • 4.Qd5#
        • 2.Qe8
          • threat
            • 3.Qe1#
            • 3.Qe4#
          • 2...Re5
            • 3.Qc6+
              • 3...Re4
                • 4.Qxe4#
              • 3...Rd5
                • 4.Qxd5#
            • 3.Bxe5
              • threat
                • 4.Qc6#
              • 3...c6
                • 4.Qxc6#
            • 3.Qxe5
              • threat
                • 4.Qe4#
                • 4.Qd5#

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).