Opening explorer move count wrong - Chess Forums

I was looking at the opening explorer in a Daily game :- You can see here I played 1. e4 c5 2 c3 Nf6 At this point the opening explorer only shows 2 games continuing 3.d4 , but when I made the move 3.d4 the opening explorer then looks like this:- Where did all the extra games come from? Why were they

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