9.a4 Ng4 Robson vs E Perelshteyn, 2007 (B27) Sicilian, 47 moves, 0-1 9. a4 d6 I Szecsenyi vs S Polgar, 1984 (B32) Sicilian, 30 moves, 0-1 9. a4 Ng4 R van Meegen vs D Hoogland, 2011 (B27) Sicilian, 18 moves, 0-1 9. 0-0 a4 Svidler vs Topalov, 1999  (B23) Sicilian, Closed, 36 moves, 0-1 9. 0-0 d6 M Kravtsiv vs So, 2008  (B32) Sicilian, 52 moves, 0-1 9. f3 d5 E Paoli vs N Spiridonov, 1976 (B32) Sicilian, 19 moves, 0-1 8 ...d6 * J Lokvenc vs Geller, 1959  (B70) Sicilian, Dragon Variation, 52 moves, 0-1 8 ...d6 * O Kurmann vs T L Petrosian, 2009 (B30) Sicilian, 63 moves, 0-1 like Geller M Bui vs So, 2004  (B70) Sicilian, Dragon Variation, 44 moves, 0-1 9 games