Problem Display
PID: 163882 (3Q4/2K5/8/4p3/4p3/2k5/8/b1BB4 w - - 0 1)

Rubens, Nathan

Pittsburgh Sun, 1925

(First published on Sat Aug 22 1925)

3Q4/2K5/8/4p3/4p3/2k5/8/b1BB4

#3

4 + 4


14986 White-Hume Collection 2017

SOLUTION


  • SOUND
  • Tries
    • 1.Bd2+?
      • 1...Kb2
        • 2.Qb8+
          • 2...Ka2
            • 3.Qb3#
          • 2...Ka3
            • 3.Qb3#
      • 1...Kc4!
    • 1.Qd5?
      • threat
        • 2.Bd2+
          • 2...Kb2
            • 3.Qb3#
        • 2.Be3
          • threat
            • 3.Qb3#
          • 2...Kb2
            • 3.Qb3#
          • 2...Kb4
            • 3.Qc5#
        • 2.Qb3+
          • 2...Kd4
            • 3.Be3#
      • 1...e3
        • 2.Bxe3
          • threat
            • 3.Qb3#
          • 2...Kb2
            • 3.Qb3#
          • 2...Kb4
            • 3.Qc5#
      • 1...Kb4!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qd5
          • threat
            • 3.Qb3#
          • 2...Kb2
            • 3.Qb3#
          • 2...Kb4
            • 3.Qc5#
      • 1...Kb2
        • 2.Qd2+
          • 2...Kb1
            • 3.Qc2#
          • 2...Ka3
            • 3.Bc5#
        • 2.Qb8+
          • 2...Ka2
            • 3.Qb3#
          • 2...Ka3
            • 3.Qb3#
          • 2...Kc3
            • 3.Qb3#
      • 1...Kb4
        • 2.Qb8+
          • 2...Ka3
            • 3.Qb3#
          • 2...Kc3
            • 3.Qb3#
          • 2...Kc4
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb6#
      • 1...Kc4
        • 2.Qd5+
          • 2...Kc3
            • 3.Qb3#
          • 2...Kb4
            • 3.Qc5#
          • 2...Kxd5
            • 3.Bb3#
      • 1...Bb2
        • 2.Qd5
          • threat
            • 3.Bd2#
            • 3.Qb3#
          • 2...Kb4
            • 3.Qc5#

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).