I had the following in a game
[FEN ""] 1. e4 e6 2. Nf3 d5
expecting White to follow with Nc3 leading to the Two Knight's Variation of the French
Instead, the game continuing with:
[FEN ""] 1. e4 e6 2. Nf3 d5 3.exd5 exd5 4.d4
transposing, I guess to some form of the exchange variation although the typical "exchange variation" happens in the French's main line: 1. e4 e6 2. d4 d5. Anyhow, is there a name for this opening and how should Black continue? (e.g. with 4....Bb4+ maybe?). Alternatively, might there be any merit in the adventurous 3...Qxd5 which loses a tempo for Black if followed by 4.Nc3?