Problem Display
PID: 26235 (4K3/p3R3/rbPpN1N1/3k1Bp1/6p1/pP3rp1/1n4Q1/8 w - - 0 1)

Kohnlein, Friedrich

Deutsches Wochenschach, 1905

4K3/p3R3/rbPpN1N1/3k1Bp1/6p1/pP3rp1/1n4Q1/8

#4

8 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Rc7!
      • threat
        • 2.Qh1
          • threat
            • 3.Se7+
              • 3...Ke5
                • 4.Qh8#
      • 1...Bxc7
        • 2.Qe2
          • threat
            • 3.Se7#
            • 3.Qb5#
            • 3.Qe4#
          • 2...Kxc6
            • 3.Qxa6+
              • 3...Kd5
                • 4.Qb5#
                • 4.Qb7#
              • 3...Bb6
                • 4.Se7#
      • 1...Bg1
        • 2.Qd2+
          • 2...Rd3
            • 3.Qe2
              • threat
                • 4.Se7#
                • 4.Qe4#
              • 3...Re3
                • 4.Qb5#
              • 3...Be3
                • 4.Qg2#
          • 2...Sd3
            • 3.Qc3
              • threat
                • 4.Se7#
                • 4.Qc4#

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).