Chess Opening Theory/1. e4/1...c5/2. Nf3/2...Nc6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...e5/6. Ndb5/6...d6/7. Bg5

= Sveshnikov Sicilian = Moves:1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7. Bg5

Pinning the knight on f6 is whites main continuation in this line. This increases the pressure on d5 by taking one of the defenders out and also protects the e4 pawn, which is very important if the knight on c3 gets driven away by blacks b-pawn.

Theory table
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6