obviously b3
1. b3 vs 1. g3
in reality 1. g3 is just 1. Nf3 but giving black the extra option of 1...e5
well g3 leaves open the option of Botvinnik english system
First move can be good or bad for white?
Whether either of these are good or not is irrelevant. The question is which of the 2 is better
in reality 1. g3 is just 1. Nf3 but giving black the extra option of 1...e5