Problem Display
PID: 13580 (4Q3/8/1B1k4/2p5/K1p1Bb2/p1r5/8/3r4 w - - 0 1)

Kohnlein, Friedrich

Deutsches Wochenschach TT, 1907

4Q3/8/1B1k4/2p5/K1p1Bb2/p1r5/8/3r4

#3

4 + 7


SOLUTION


  • SOUND
  • Tries
    • 1.Qg6+?
      • 1...Ke5
        • 2.Bxc5
          • threat
            • 3.Qf5#
      • 1...Kd7
        • 2.Qf7+
          • 2...Kd6
            • 3.Bc7#
          • 2...Kc8
            • 3.Qb7#
      • 1...Ke7!
    • 1.Qd7+?
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Bxc5#
      • 1...Kxd7!
    • 1.Qd8+?
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Bxc5#
      • 1...Ke6!
    • 1.Qf8+?
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Bxc5#
      • 1...Kd7
        • 2.Qf7+
          • 2...Kd6
            • 3.Bc7#
          • 2...Kc8
            • 3.Qb7#
      • 1...Ke6!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Bc7#
      • 1...Ke5
        • 2.Qe7+
          • 2...Kd4
            • 3.Bxc5#
      • 1...Rd5
        • 2.Bc7+
          • 2...Kc6
            • 3.Bxd5#

FEATURES


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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).