Problem Display
PID: 72981 (8/1p6/1P5p/4RKpP/1ppk2P1/2r1p3/PQ2P3/8 w - - 0 1)

Brummelman, Derk Hendrikus

Tijdschrift vd KNSB, 1936

8/1p6/1P5p/4RKpP/1ppk2P1/2r1p3/PQ2P3/8

#4

8 + 8


  • COOKED
  • Keys
    • 1.Ke6!
      • 1...b3
        • 2.Rf5
          • 2...Ke4
            • 3.Qxc3
              • threat
                • 4.Qe5#
                • 4.Qxc4#
          • 2...bxa2
            • 3.Qb5
              • threat
                • 4.Qd5#
                • 4.Qe5#
              • 3...Ke4
                • 4.Qd5#
                • 4.Qe5#
    • 1.Kf6!
      • 1...b3
        • 2.Rf5
          • 2...Ke4
            • 3.Qxc3
              • threat
                • 4.Qe5#
                • 4.Qxc4#
          • 2...bxa2
            • 3.Qb5
              • threat
                • 4.Qd5#
                • 4.Qe5#
              • 3...Ke4
                • 4.Qd5#
                • 4.Qe5#
    • 1.Rb5!
      • 1...b3
        • 2.Ra5
          • 2...bxa2
            • 3.Qb5
              • threat
                • 4.Qd7#
                • 4.Qc5#
                • 4.Qd5#
                • 4.Qe5#
    • 1.Qa1!
      • 1...b3
        • 2.axb3
          • 2...cxb3
            • 3.Qa5
              • threat
                • 4.Re4#
                • 4.Qd5#
              • 3...Kc4
                • 4.Re4#
                • 4.Qa4#
                • 4.Qc5#
              • 3...Rc5
                • 4.Qxc5#


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).