axel wrote on 05/12/15 at 16:45:05:
I was looking for some games in the following line.
1 e4 e5 2 Nf3 Nc6 3 d4 exd4 4 Nxd4 Nf6 5 Nc3 Bb4 6 Nxc6 bxc6 7 Bd3 d5 8 exd5 Qe7+
Melik Khachiyan talked about it in one of his chess.com videos not too long ago. Karpov and Kramnik employed this line several times too. Unfortunately, I wasn't able to find any games in this line in the chesspublishing data base.
What is white's best way to play for and advantage?
The traditional view is that all the resulting endings (note there are variables: where the queens are exchanged, how Black recaptures on d5...) are slightly easier for White but well within the drawing margin. But there is probably sufficient imbalance for either side to play for a win by trying to outplay the opponent.
Theory in the Scotch 4N tends to evolve very slowly and undramatically, so Emms's Starting out: the Scotch (2005) remains a useful source, with one annotated game featuring the line in question.
For more detail, Gutman's 1993 book (in German) has about a dozen pages on all the lines following 8...Qe7+.
Finally I can recommend Shirov's article (based on his game vs Karpov in Moscow 1992) in NiC Yearbook 27.
I'm not aware of any more recent sources that are worth attention, but it's a long time since I studied this line and perhaps someone else here can suggest something.