411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...Nf6/2. c4/2...g6/3. Nc3/3...d5/4. cxd5/4...Nxd5/5. e4/5...Nxc3/6. bxc3/6...Bg7/7. Bc4/7...c5
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Grünfeld Defence rd nd bd qd kd rd pd pd pd pd bd pd pd pd bl pl pl pl pl pl pl pl rl bl ql kl nl rl
7...c5
This pawn lever also tries to attack the center. Since the center is potentially opening, white is well advised to move his king out of danger with 8.Ne2 followed by O-O.
Theory table
+789Ne2
O-OO-O
Nc6Be3
Qc7=
Grünfeld Defence