Problem Display
PID: 40074 (3Q4/1K1p3p/2pPp2p/7P/2Pk4/PPp5/2B2P1P/8 w - - 0 1)

van Dijk, Johannes

Nederlandse Schaakbond, 1899

3Q4/1K1p3p/2pPp2p/7P/2Pk4/PPp5/2B2P1P/8

#3

10 + 7


SOLUTION


  • SOUND
  • Tries
    • 1.Qh4+?
      • 1...Kc5
        • 2.Kc7
          • 2...e5
            • 3.b4#
        • 2.Qg3
          • threat
            • 3.Qe5#
          • 2...Kd4
            • 3.Qe3#
          • 2...e5
            • 3.Qxe5#
        • 2.Qf4
          • 2...e5
            • 3.Qxe5#
      • 1...Ke5!
    • 1.Qf6+?
      • 1...Kc5
        • 2.Qe5#
      • 1...e5!
    • 1.Qh8+?
      • 1...Kc5
        • 2.Qe5#
      • 1...e5!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qg3
          • threat
            • 3.Qe3#
          • 2...Kc5
            • 3.Qe5#
      • 1...Kc5
        • 2.Qg3
          • threat
            • 3.Qe5#
          • 2...Kd4
            • 3.Qe3#
          • 2...e5
            • 3.Qxe5#
      • 1...Ke5
        • 2.f4+
          • 2...Kd4
            • 3.Qg1#
          • 2...Kxf4
            • 3.Qg3#
          • 2...Kxd6
            • 3.Qf8#
          • 2...Kf6
            • 3.Qf8#
      • 1...c5
        • 2.Qg3
          • 2...e5
            • 3.Qd3#
            • 3.Qe3#
      • 1...e5
        • 2.Kb6
          • 2...e4
            • 3.Qg7#
            • 3.Qh8#
          • 2...c5
            • 3.Qd5#

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).