Problem Display
PID: 184705 (8/8/2p5/2N5/1k6/pN4K1/P3P2Q/8 w - - 0 1)

Hansen, Lorenz

American Chess Bulletin, 1908

8/8/2p5/2N5/1k6/pN4K1/P3P2Q/8

#3

6 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Kc3
        • 2.Qg1
          • threat
            • 3.Qc5#
            • 3.Qc1#
          • 2...Kc2
            • 3.Qc1#
          • 2...Kc4
            • 3.Qc5#
        • 2.Qh1
          • threat
            • 3.Qxc6#
            • 3.Qc1#
          • 2...Kc2
            • 3.Qc1#
          • 2...Kc4
            • 3.Qxc6#
        • 2.Qh6
          • threat
            • 3.Qc1#
            • 3.Qxc6#
          • 2...Kc2
            • 3.Qc1#
          • 2...Kc4
            • 3.Qxc6#
      • 1...Ka4
        • 2.Qh5
          • 2...c5
            • 3.Qe8#
      • 1...Kc4
        • 2.Qh5
          • threat
            • 3.Qc5#
          • 2...Kc3
            • 3.Qc5#
          • 2...c5
            • 3.Qxc5#
      • 1...Kb5!
    • 1.Qh1?
      • threat
        • 2.Qxc6
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kc3
            • 3.Sd3#
          • 2...Kc4
            • 3.Sd3#
            • 3.Sa6#
      • 1...Kc3
        • 2.Sd3
          • threat
            • 3.Qxc6#
            • 3.Qc1#
          • 2...Kc2
            • 3.Qc1#
          • 2...Kc4
            • 3.Qxc6#
      • 1...Kc4
        • 2.Qxc6
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kc3
            • 3.Sd3#
          • 2...Kb4
            • 3.Sd3#
            • 3.Sa6#
      • 1...Kb5!
    • 1.Qh4+?
      • 1...Kb5
        • 2.Qa4+
          • 2...Kb6
            • 3.Qa5#
        • 2.Qf4
          • 2...Kb6
            • 3.Qb8#
      • 1...Kc3!
    • 1.Qh8?
      • 1...Kb5
        • 2.Qc3
          • 2...Kb6
            • 3.Qa5#
      • 1...Kc4!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qxc6
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kc3
            • 3.Sd3#
          • 2...Kc4
            • 3.Sd3#
            • 3.Sa6#
      • 1...Kc3
        • 2.Sd3
          • threat
            • 3.Qc1#
            • 3.Qxc6#
          • 2...Kc2
            • 3.Qc1#
          • 2...Kc4
            • 3.Qxc6#
      • 1...Kc4
        • 2.Qxc6
          • threat
            • 3.Sd3#
            • 3.Sa6#
          • 2...Kc3
            • 3.Sd3#
          • 2...Kb4
            • 3.Sd3#
            • 3.Sa6#
      • 1...Kb5
        • 2.Qf4
          • 2...Kb6
            • 3.Qb8#

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).