Same way you learn to swim: swallowing water 
How do I start learning the Sicilian?
Come on pfren, let's give him his full name. 2...a6 is the invention of the very inventive Albéric Joseph Rodolphe Marie Robert Ghislain O'Kelly de Galway.
#pompous
Come on pfren, let's give him his full name. 2...a6 is the invention of the very inventive Albéric Joseph Rodolphe Marie Robert Ghislain O'Kelly de Galway.
#pompous
Not just more space... the b5 move threatens b4, unhinging the guard of e4. It also covers the c4 square, which makes an excellent Knight outpost on the open c-file.
Great points!