The Ruy Lopez
Ruy Lopes is tournament and macth opening.It's go a
3.Bb5 a6 The most popular countinue
4.Ba4 White can win a pawn if 4. B:c6 d:c6 5.N:e5 ,but Black have a Bishop pair for one pawn.
5.d3 d6 d6 is a quiet,but looks ok for Ruy Lopez
12.Bg5 a5 The good move,white must move a a pawn to a4 or a3.