Problem Display
PID: 57513 (8/8/4K3/8/8/4k3/4B3/3Q4 w - - 0 1)

Rubens, Nathan

Chess Life, 1956

8/8/4K3/8/8/4k3/4B3/3Q4

#3

3 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Qc2?
      • 1...Kd4
        • 2.Qd3+
          • 2...Kc5
            • 3.Qd6#
      • 1...Kf4
        • 2.Qc3
          • threat
            • 3.Qe5#
          • 2...Ke4
            • 3.Qe5#
          • 2...Kg5
            • 3.Qf6#
      • 1...Kf2!
    • 1.Qd3+?
      • 1...Kf4
        • 2.Qc3
          • threat
            • 3.Qe5#
          • 2...Ke4
            • 3.Qe5#
          • 2...Kg5
            • 3.Qf6#
        • 2.Qf3+
          • 2...Kg5
            • 3.Qf6#
      • 1...Kf2!
  • Keys
    • 1.Qe1!
      • 1...Kd4
        • 2.Qg3
          • threat
            • 3.Qe5#
          • 2...Ke4
            • 3.Qe5#
          • 2...Kc5
            • 3.Qd6#
      • 1...Ke4
        • 2.Qc3
          • 2...Kf4
            • 3.Qe5#
        • 2.Qg3
          • 2...Kd4
            • 3.Qe5#
      • 1...Kf4
        • 2.Qc3
          • threat
            • 3.Qe5#
          • 2...Ke4
            • 3.Qe5#
          • 2...Kg5
            • 3.Qf6#

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).