Problem Display
PID: 14826 (b6K/3R4/4NR2/2ppkB1p/2Pppp1B/Ppr3p1/2r5/4b3 w - - 0 1)

Goldstein, Alexander

Whyatt, William Albert

1st HM., Sao Paulo Chess Club, 1955-1956

b6K/3R4/4NR2/2ppkB1p/2Pppp1B/Ppr3p1/2r5/4b3

#3

8 + 13


SOLUTION


  • SOUND
  • Sets
    • 1...Rd3
      • 2.Sf8
        • threat
          • 3.Sg6#
          • 3.Re7#
    • 1...dxc4
      • 2.Sf8
        • threat
          • 3.Sg6#
  • Tries
    • 1.Sg7?
      • threat
        • 2.Re6#
        • 2.Re7#
      • 1...d3
        • 2.Re6+
          • 2...Kd4
            • 3.Rxe4#
      • 1...f3!
    • 1.Sd8?
      • threat
        • 2.Sf7#
        • 2.Re7#
      • 1...f3
        • 2.Sf7+
          • 2...Kf4
            • 3.Bg5#
      • 1...d3!
    • 1.Sf8?
      • threat
        • 2.Sg6#
        • 2.Re7#
      • 1...dxc4
        • 2.Sg6#
      • 1...f3
        • 2.Sg6#
      • 1...d3!
    • 1.Bg4?
      • threat
        • 2.Rf5+
          • 2...Kxe6
            • 3.Rxh5#
      • 1...e3
        • 2.Rf5+
          • 2...Ke4
            • 3.Sxc5#
          • 2...Kxe6
            • 3.Rxh5#
      • 1...hxg4!
    • 1.Rf8?
      • threat
        • 2.Bd8
          • threat
            • 3.Bc7#
      • 1...Rxc4
        • 2.Be7
          • threat
            • 3.Bd6#
      • 1...Re3
        • 2.Bh3
          • threat
            • 3.Bf6#
      • 1...Rf3
        • 2.Sg7
          • threat
            • 3.Bf6#
            • 3.Re8#
      • 1...Rd3!
  • Keys
    • 1.Rff7!
      • threat
        • 2.Bd8
          • threat
            • 3.Bc7#
      • 1...Rxc4
        • 2.Be7
          • threat
            • 3.Bd6#
      • 1...Rd3
        • 2.Sf8
          • threat
            • 3.Sg6#
      • 1...Re3
        • 2.Bh3
          • threat
            • 3.Bf6#
      • 1...Rf3
        • 2.Sg7
          • threat
            • 3.Bf6#
            • 3.Rfe7#

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).