Problem Display
PID: 188125 (8/Q7/4k3/8/1K2BP2/8/5P2/8 w - - 0 1)

Rohr, Hugo

La Strategie, 1910

8/Q7/4k3/8/1K2BP2/8/5P2/8

#3

5 + 1


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Ka5?
      • 1...Kd6
        • 2.Qf7
          • 2...Kc5
            • 3.Qd5#
      • 1...Kf6!
    • 1.Kb5?
      • 1...Kd6
        • 2.Bf5
          • 2...Kd5
            • 3.Qc5#
            • 3.Qd7#
      • 1...Kf6!
    • 1.Bf5+?
      • 1...Kf6
        • 2.f3
          • 2...Kxf5
            • 3.Qf7#
      • 1...Kxf5!
    • 1.Bg6?
      • threat
        • 2.Kc5
          • 2...Kf6
            • 3.Qf7#
        • 2.Qc7
          • 2...Kd5
            • 3.Qd7#
          • 2...Kf6
            • 3.Qf7#
      • 1...Kd5
        • 2.Qd7#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kd6!
    • 1.Qf7+?
      • 1...Kd6
        • 2.Ka5
          • 2...Kc5
            • 3.Qd5#
      • 1...Kxf7!
  • Keys
    • 1.f3!
      • 1...Kd6
        • 2.Bd5
          • 2...Kxd5
            • 3.Qd7#
      • 1...Kf6
        • 2.Bf5
          • 2...Kxf5
            • 3.Qf7#

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).