Gilmoy: All these openings blur together. I did some snooping. Mark Weeks http://chessforallages.blogspot.com... laments the inconsistent naming.
Here's some mostly-agreed names, in ascending order of line length.
5..e5: <Lasker-Pelikan> [Oxford]: Schlechter vs Lasker, 1910, with notes by Capa, yaay! Schlecter chose 6.Nb3, hence that's the Schlecter Variation :)
6.Ndb5 d6: <Sveshnikov>. Capa suggested this line in his notes! More accurately, this looks like Sveshnikov's start point. He worked out some longer main lines, which also bear his name.
7.Bg5 a6 8.Na3 b5: <Chelyabinsk> [Oxford], for Sveshnikov and Timoshchenko, who were both from there, and analyzed it together.
9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 Bg5 12.Nc2: A <Sveshnikov> main line, as in this game.
9.Bxf6 gxf6 10.Ng5 f5: Another <Sveshnikov> main line. 10..Bg7 is <Novosibirsk> http://www.chessville.com/reviews/N....
White's choice points seem to be:
- 9.Bxf6 gxf6 or 9.Nd5 Be7
- how to reactivate the Na3
They're all playable. Recent super-GM games seem to favor the 12.Nc2 line, with an a4 push and Q-side play.