Problem Display
PID: 167962 (B1k5/R1Pp4/bppB4/5p2/Qp3P1K/1rP1p1nP/qr2P3/8 w - - 0 1)

Kipping, Cyril Stanley

1st Prize, Parallele 50, 1947

B1k5/R1Pp4/bppB4/5p2/Qp3P1K/1rP1p1nP/qr2P3/8

#3

10 + 12


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qxa6#
    • 1...Ra3
      • 2.Qxa6+
        • 2...Rxa6
          • 3.Bb7#
    • 1...Bxe2
      • 2.Bb7#
    • 1...Bd3
      • 2.Bb7#
    • 1...Bc4
      • 2.Bb7#
    • 1...Bb5
      • 2.Bb7#
    • 1...Bb7
      • 2.Bxb7#
    • 1...c5
      • 2.Bd5
        • threat
          • 3.Ra8#
        • 2...Bb7
          • 3.Bxb7#
  • Tries
    • 1.Bxc6?
      • threat
        • 2.Bxd7#
        • 2.Ra8#
      • 1...Qxa4
        • 2.Ra8#
      • 1...Bb5
        • 2.Bb7#
        • 2.Ra8#
      • 1...Bb7
        • 2.Bxb7#
        • 2.Bxd7#
      • 1...b5
        • 2.Ra8#
      • 1...dxc6!
    • 1.Qxa2?
      • threat
        • 2.Qxa6#
      • 1...Bxe2
        • 2.Bb7#
      • 1...Ra3
        • 2.Qg8#
      • 1...Bd3
        • 2.Bb7#
      • 1...Bc4
        • 2.Bb7#
      • 1...Bb5
        • 2.Bb7#
      • 1...Bb7
        • 2.Bxb7#
      • 1...Rxa2!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qe5
          • threat
            • 3.Qh8#
            • 3.Qe8#
      • 1...Rxc3
        • 2.Qxb6
          • threat
            • 3.Qb8#
          • 2...Bb7
            • 3.Bxb7#
            • 3.Qxb7#
      • 1...cxb5
        • 2.Bd5
          • threat
            • 3.Ra8#
          • 2...Bb7
            • 3.Bxb7#
      • 1...Qa5
        • 2.Qc4
          • threat
            • 3.Qg8#
          • 2...Bxc4
            • 3.Bb7#
          • 2...Qd5
            • 3.Qxa6#
          • 2...Qe5
            • 3.Qxa6#
      • 1...Ra3
        • 2.Qxa6+
          • 2...Rxa6
            • 3.Bb7#
      • 1...Se4
        • 2.Bxc6
          • threat
            • 3.Bxd7#
            • 3.Ra8#
          • 2...Bxb5
            • 3.Bb7#
          • 2...dxc6
            • 3.Qxf5#
      • 1...Sh5
        • 2.Bxc6
          • threat
            • 3.Bxd7#
            • 3.Ra8#
          • 2...Bxb5
            • 3.Bb7#
          • 2...dxc6
            • 3.Qxf5#
      • 1...c5
        • 2.Bd5
          • threat
            • 3.Ra8#
          • 2...Bxb5
            • 3.Bb7#
          • 2...Bb7
            • 3.Bxb7#

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).