Kramnik Variation (7. Re1), with the idea Nc3 and e2-e4, is a modern treatment of the Classical Variation of QID. Black has a few ways to parry it, one of which is 7… Na6 8. Nc3 d5 9. cxd5 exd5 10. Bf4 c5.
For the tactically-minded players we recommend Polugaevsky Gambit (7. d5 exd5 8. Nh4), which leads to very complex positions. The similar looking Taimanov Gambit (7. d5 exd5 8. Nd4) is considered to be promising for Black, since after, for example, 8… Bc6 9. Nxc6 dxc6, Black shouldn’t have problems to equalize.
From other notable lines worth mentioning we will recommend the Euwe Variation (7. b3), which is in our opinion suitable for club level players, though it has recently been seen even in some top-level games, such as A. Grischuk – L. Aronian, London 2015.
[Diagram: White to Move] L. Polugaevsky – V. Korchnoi, Buenos Aires (m/12) 1980. The diagrammed position is both instructive and theoretically relevant. How does White gain a significant long-term initiative?
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