2....a6 3.a4 e6 4.d3 d5 C Dolezal vs P Ricardi, 2001 (B23) Sicilian, Closed, 54 moves, 0-1 "main line" with Bb5-Bc4 and e5 N Savage vs C Nwachukwu, 2013 (B23) Sicilian, Closed, 31 moves, 0-1 "main line" with Bb5-Bc4 0-0 and Nxd4 M Dean vs M Burrows, 2014 (B23) Sicilian, Closed, 31 moves, 0-1 "main line" with Bb5-Bc4 and 0-0 and e5 G Djacanin vs N Vajdic, 2008 (B23) Sicilian, Closed, 53 moves, 0-1 4 games