Move 5… Bg7 is the topic of our Line 433, while we deal here with equally popular 5… Nf6. After the most common 5… Nf6 6. Nc3 d6, White has a choice between 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3, 7. Nc2 Bg7 8. Be2, and the most frequently played 7. Be2 Nxd4 8. Qxd4 Bg7. Against the latter setup, White usually opts for one of the following two possibilities – 9. Be3 (covered in Line 432) and 9. Bg5.
The main variation of this opening line goes 9. Bg5 O-O 10. Qd2 where as an alternative to 10… Be6, followed by Qa5 and Rfc8, Black also has 10… a5, typically followed by a5-a4 and Qa5. The overall assessment is that the ensuing positions are a bit more pleasant for White, but Black should be able to equalize with accurate play.
[Diagram: Black to Move] J. Polgar – A. Antunes, Yerevan 1996. By playing 20. b3-b4 Judith missed her opponent’s reply, leading to an almost decisive edge for Black. What did Black play?
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