Perigo do Roque Grande ao enfrentar a Siciliana com coluna aber Szabo vs E Lundin, 1946  (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 38 moves, 0-1 Ninzo Larsen Fischer vs Mecking, 1970  (A01) Nimzovich-Larsen Attack, 42 moves, 1-0 2 games