Problem Display
PID: 244917 (K1N5/p1NpRp1q/2kP1p2/2PRp3/r3B3/5bn1/1P1n4/2b1r3 w - - 0 1)

White, Alain Campbell

Die Schwalbe, 1929

K1N5/p1NpRp1q/2kP1p2/2PRp3/r3B3/5bn1/1P1n4/2b1r3

#3

9 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Rb4
      • 2.Sxa7#
    • 1...Rc4
      • 2.Sxa7#
    • 1...Rd4
      • 2.Sxa7#
    • 1...Rxe4
      • 2.Sxa7#
    • 1...Sf1
      • 2.Re8
        • threat
          • 3.Se7#
    • 1...Sh1
      • 2.Re8
        • threat
          • 3.Se7#
    • 1...Se2
      • 2.Re8
        • threat
          • 3.Se7#
    • 1...Sh5
      • 2.Re8
        • threat
          • 3.Se7#
    • 1...a5
      • 2.Sa7#
    • 1...a6
      • 2.Sa7#
  • Keys
    • 1.b4!
      • threat
        • 2.b5#
      • 1...Ra5
        • 2.b5+
          • 2...Rxb5
            • 3.Sxa7#
      • 1...Be2
        • 2.Re8
          • threat
            • 3.Se7#
          • 2...Sf5
            • 3.Rxd2#

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).