Problem Display
PID: 147646 (7K/4p1B1/2P1p3/4r3/3k4/8/8/1Q5B w - - 0 1)

Dobbs, Gilbert S

Tidskrift for Schack #4 Ty., 1909

7K/4p1B1/2P1p3/4r3/3k4/8/8/1Q5B

#4

5 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Be4!
      • 1...Kc3
        • 2.Bxe5+
          • 2...Kd2
            • 3.Qd3+
              • 3...Kc1
                • 4.Qc2#
              • 3...Ke1
                • 4.Bg3#
            • 3.Qf1
              • 3...Ke3
                • 4.Qe1#
          • 2...Kc4
            • 3.Bd3+
              • 3...Kc5
                • 4.Qb5#
              • 3...Kd5
                • 4.Qb5#
            • 3.c7
              • 3...Kc5
                • 4.c8Q#
                • 4.c8R#
      • 1...Ke3
        • 2.Bxe5
          • threat
            • 3.Qe1#
          • 2...Kd2
            • 3.Qd3+
              • 3...Kc1
                • 4.Qc2#
              • 3...Ke1
                • 4.Bg3#
            • 3.Qf1
              • 3...Ke3
                • 4.Qe1#
          • 2...Ke2
            • 3.Bg3
              • threat
                • 4.Qd3#
                • 4.Qe1#
              • 3...Kd2
                • 4.Qe1#
              • 3...Ke3
                • 4.Qd3#
          • 2...Kf2
            • 3.Qd1
              • 3...Ke3
                • 4.Qe1#
      • 1...Kc4
        • 2.Bxe5
          • 2...Kc5
            • 3.Bd3
              • threat
                • 4.Qb5#
              • 3...Kd5
                • 4.Qb5#
              • 3...Kxc6
                • 4.Qb5#
            • 3.c7
              • 3...Kc4
                • 4.c8Q#
                • 4.c8R#
      • 1...Kc5
        • 2.Bxe5
          • 2...Kc4
            • 3.Bd3+
              • 3...Kc5
                • 4.Qb5#
              • 3...Kd5
                • 4.Qb5#
            • 3.c7
              • 3...Kc5
                • 4.c8Q#
                • 4.c8R#

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).