29 ... Rf6xBf4! White g3-pawn blocks g-file to g2-flight square Leko vs J Piket, 1997  (B39) Sicilian, Accelerated Fianchetto, Breyer Variation, 30 moves, 1-0 34 ... Rf1+! White g2-queen blocks 2nd rank to h2-mating square Sasikiran vs Topalov, 2007  (E92) King's Indian, 33 moves, 0-1 J F Barry vs Marshall, 1904  (C63) Ruy Lopez, Schliemann Defense, 27 moves, 0-1 3 games