Problem Display
PID: 119385 (1Q6/4p1K1/1P6/3kN3/Pp4pP/pN1p2P1/3P4/8 w - - 0 1)

van Eelde, Antonie Clarus Johannes

Holandsko, 1899

1Q6/4p1K1/1P6/3kN3/Pp4pP/pN1p2P1/3P4/8

#3

9 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qb7+?
      • 1...Kd6
        • 2.Sc4+
          • 2...Ke6
            • 3.Sd4#
        • 2.Sf7+
          • 2...Ke6
            • 3.Sd4#
      • 1...Ke6
        • 2.Sc4
          • threat
            • 3.Sd4#
          • 2...Kf5
            • 3.Sd4#
        • 2.Sf7
          • threat
            • 3.Sd4#
          • 2...Kf5
            • 3.Sd4#
      • 1...Kxe5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se3+
          • 2...Ke4
            • 3.Qf4#
          • 2...Kc6
            • 3.Qc7#
          • 2...Ke6
            • 3.Sc5#
      • 1...Kxc4
        • 2.Qg8+
          • 2...e6
            • 3.Qxe6#
      • 1...Ke4
        • 2.Qb7+
          • 2...Kf5
            • 3.Sd4#
        • 2.Qa8+
          • 2...Kf5
            • 3.Sd4#
      • 1...Kc6
        • 2.Qa8+
          • 2...Kd7
            • 3.Sc5#
      • 1...Ke6
        • 2.Qb7
          • threat
            • 3.Sd4#
          • 2...Kf5
            • 3.Sd4#
      • 1...e5
        • 2.Qb7+
          • 2...Kxc4
            • 3.Qf7#
          • 2...Ke6
            • 3.Qf7#
      • 1...e6
        • 2.Se3+
          • 2...Ke4
            • 3.Qf4#
          • 2...Kc6
            • 3.Qc7#

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).