Problem Display
PID: 200981 (8/P7/8/8/8/K7/2p5/k7 w - - 0 1)

Dehler, Otto Georg Edgar

Deutsche Schachzeitung, 1923

8/P7/8/8/8/K7/2p5/k7

#4

2 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.a8Q!
      • threat
        • 2.Qh1+
          • 2...c1Q+
            • 3.Qxc1#
          • 2...c1S
            • 3.Qxc1#
          • 2...c1B+
            • 3.Qxc1#
          • 2...c1R
            • 3.Qxc1#
        • 2.Qh8+
          • 2...Kb1
            • 3.Qb2#
      • 1...c1Q+
        • 2.Kb3+
          • 2...Qa3+
            • 3.Qxa3+
              • 3...Kb1
                • 4.Qb2#
      • 1...c1B+
        • 2.Kb3+
          • 2...Ba3
            • 3.Qh1+
              • 3...Bc1
                • 4.Qxc1#
            • 3.Qxa3+
              • 3...Kb1
                • 4.Qb2#
      • 1...Kb1
        • 2.Qe4
          • threat
            • 3.Qb4+
              • 3...Ka1
                • 4.Qb2#
              • 3...Kc1
                • 4.Qe1#
          • 2...Ka1
            • 3.Qh1+
              • 3...c1Q+
                • 4.Qxc1#
              • 3...c1S
                • 4.Qxc1#
              • 3...c1B+
                • 4.Qxc1#
              • 3...c1R
                • 4.Qxc1#
            • 3.Qe1+
              • 3...c1Q+
                • 4.Qxc1#
              • 3...c1S
                • 4.Qxc1#
              • 3...c1B+
                • 4.Qxc1#
              • 3...c1R
                • 4.Qxc1#
            • 3.Qd4+
              • 3...Kb1
                • 4.Qb2#
            • 3.Qe5+
              • 3...Kb1
                • 4.Qb2#

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).