Chess Opening Theory/1. c4/1...e6/2. Nf3/2...d5/3. g3/3...Nf6/4. Bg2/4...Be7/5. O-O

= English Opening =

Theory table
.

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O