Problem Display
PID: 128306 (5B2/8/8/3p4/3k4/3p3P/1p1N1P2/1K5Q w - - 0 1)

Kotrc, Jan

Otavan, 1908

5B2/8/8/3p4/3k4/3p3P/1p1N1P2/1K5Q

#3

6 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qg2?
      • threat
        • 2.Qg7#
      • 1...Kc3
        • 2.Qg5
          • 2...Kd4
            • 3.Qf6#
            • 3.Qg7#
          • 2...d4
            • 3.Qa5#
      • 1...Ke5!
    • 1.Qe4+?
      • 1...Kc3
        • 2.Bb4#
        • 2.Qb4#
      • 1...dxe4!
    • 1.Qxd5+?
      • 1...Kc3
        • 2.Se4#
      • 1...Kxd5!
    • 1.Qd1?
      • 1...Kc3
        • 2.Qh5
          • 2...Kxd2
            • 3.Bb4#
          • 2...Kd4
            • 3.Qh8#
          • 2...d4
            • 3.Qa5#
      • 1...Ke5!
    • 1.Qg1?
      • threat
        • 2.Qg7#
      • 1...Kc3
        • 2.Qg5
          • 2...Kd4
            • 3.Qf6#
            • 3.Qg7#
          • 2...d4
            • 3.Qa5#
      • 1...Ke5!
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qf6#
      • 1...Kc3
        • 2.Qh5
          • 2...Kxd2
            • 3.Bb4#
          • 2...Kd4
            • 3.Qh8#
          • 2...d4
            • 3.Qa5#
      • 1...Ke5
        • 2.Qf7
          • 2...Kd4
            • 3.Qf6#
            • 3.Qg7#
          • 2...d4
            • 3.f4#

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).