And by the way, two of the most important kinds of transposition are: 1. Players who want to play Queen's Pawn opening but avoid certain lines in them start in

And by the way, two of the most important kinds of transposition are: 1. Players who want to play Queen's Pawn opening but avoid certain lines in them start in an English instead. 2. Players who want to play Queen's Pawn or English openings but avoid certain lines in them start with 1. Nf3 instead.