Problem Display
PID: 142289 (4R3/3b4/2q5/k2N4/n1P1K3/1Q6/1P6/8 w - - 0 1)

Brown, Reginald A

Chess Problems (Brown, Reginald A), 1844

4R3/3b4/2q5/k2N4/n1P1K3/1Q6/1P6/8

#3

6 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Qb5
      • 2.Ra8+
        • 2...Qa6
          • 3.Qb4#
    • 1...Qa8
      • 2.Rxa8#
    • 1...Qc5
      • 2.Ra8+
        • 2...Qa7
          • 3.Rxa7#
    • 1...Qa6
      • 2.Qb4#
    • 1...Qb6
      • 2.Ra8+
        • 2...Qa7
          • 3.Rxa7#
        • 2...Qa6
          • 3.Qb4#
    • 1...Qd6
      • 2.Ra8+
        • 2...Qa6
          • 3.Qb4#
      • 2.Qb4+
        • 2...Ka6
          • 3.Ra8#
        • 2...Qxb4
          • 3.Ra8#
    • 1...Qf6
      • 2.Ra8+
        • 2...Qa6
          • 3.Qb4#
      • 2.Qb4+
        • 2...Ka6
          • 3.Ra8#
    • 1...Qh6
      • 2.Ra8+
        • 2...Qa6
          • 3.Qb4#
      • 2.Qb4+
        • 2...Ka6
          • 3.Ra8#
    • 1...Qc7
      • 2.Ra8+
        • 2...Qa7
          • 3.Rxa7#
    • 1...Bh3
      • 2.Ra8+
        • 2...Qxa8
          • 3.Qb5#
        • 2...Qa6
          • 3.Qb4#
          • 3.Qb5#
    • 1...Bg4
      • 2.Ra8+
        • 2...Qxa8
          • 3.Qb5#
        • 2...Qa6
          • 3.Qb4#
          • 3.Qb5#
    • 1...Be6
      • 2.Ra8+
        • 2...Qxa8
          • 3.Qb5#
        • 2...Qa6
          • 3.Qb4#
          • 3.Qb5#
  • Tries
    • 1.Ra8+?
      • 1...Qa6
        • 2.Qb4#
      • 1...Qxa8!
    • 1.Qxa4+?
      • 1...Qxa4
        • 2.Ra8#
      • 1...Kxa4!
    • 1.Qb6+?
      • 1...Qxb6
        • 2.Ra8+
          • 2...Qa7
            • 3.Rxa7#
          • 2...Qa6
            • 3.b4#
      • 1...Sxb6!
  • Keys
    • 1.Qb5+!
      • 1...Qxb5
        • 2.Ra8+
          • 2...Qa6
            • 3.b4#

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).