Problem Display
PID: 32012 (6Q1/4p2N/2n4k/8/K5Pr/1PPPPp1R/p4rn1/q3bb2 w - - 0 1)

Goldstein, Alexander

1/2 Prize, Shakhmaty v SSSR, 1940

6Q1/4p2N/2n4k/8/K5Pr/1PPPPp1R/p4rn1/q3bb2

#3

9 + 11


3773 FIDE Album (1914-1944) (II) 1972

SOLUTION


  • SOUND
  • Sets
    • 1...Rh5
      • 2.Rxh5#
      • 2.g5#
    • 1...Sxe3
      • 2.Rxh4#
    • 1...Sf4
      • 2.Rxh4+
        • 2...Sh5
          • 3.Rxh5#
          • 3.g5#
    • 1...Sb4
      • 2.Sg5
        • threat
          • 3.Sf7#
    • 1...Sd4
      • 2.Sg5
        • threat
          • 3.Sf7#
    • 1...Sa5
      • 2.Sg5
        • threat
          • 3.Sf7#
    • 1...Sa7
      • 2.Sg5
        • threat
          • 3.Sf7#
    • 1...Sb8
      • 2.Sg5
        • threat
          • 3.Sf7#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Sf7#
      • 1...Sd8
        • 2.Qh7+
          • 2...Kxg5
            • 3.Qg7#
      • 1...Se5!
    • 1.Sf6?
      • threat
        • 2.Rxh4+
          • 2...Sxh4
            • 3.g5#
        • 2.Qh7+
          • 2...Kg5
            • 3.Qg7#
      • 1...Bxd3
        • 2.Rxh4+
          • 2...Sxh4
            • 3.g5#
      • 1...Rb2
        • 2.Qh7+
          • 2...Kg5
            • 3.Qg7#
      • 1...Rc2
        • 2.Qh7+
          • 2...Kg5
            • 3.Qg7#
      • 1...Rd2
        • 2.Qh7+
          • 2...Kg5
            • 3.Qg7#
      • 1...Re2
        • 2.Qh7+
          • 2...Kg5
            • 3.Qg7#
      • 1...Se5
        • 2.Rxh4+
          • 2...Sxh4
            • 3.g5#
      • 1...exf6!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Rxh4+
          • 2...Sxh4
            • 3.g5#
      • 1...Rb2
        • 2.c4
          • threat
            • 3.g5#
      • 1...Rc2
        • 2.b4
          • threat
            • 3.g5#
      • 1...Rd2
        • 2.e4
          • threat
            • 3.g5#
      • 1...Re2
        • 2.d4
          • threat
            • 3.g5#

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).