The Paulsen Sicilian begins with the moves 1.e4 c5 2.Nf3 e6 (diagram). This variation was named after the 19th-century chess master Louis Paulsen, where play usually continues 3.d4 cxd4 4.Nxd4 a6. There are other options on move 3 for White, such as the 3.c3 Alapin, but GM Damian Lemos recommends the move 3.b3. This 3.b3...