[August 28, 2017] Updated Opening Line by Bojan Vučković:
Ruy Lopez, Closed Defense with 9… Na5 (incl. Borisenko & Keres Variations)

[Line 411 : 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5]

After the only principal choice 10. Bc2, Black has in the Gajewski Gambit 10… d5 an alternative to the main move 10… c5, though White is able to get better prospects after 10… d5 both with 11. d4 and 11. exd5.

The main line is 10… c5 11. d4, where the classical Chigorin Variation (11… Qc7) is covered in our Lines 412-413. Another important option for Black is the Keres Variation (11… Nd7), while the other lines, like 11… Bb7, 11… cxd4 and 11… Nc6 (Borisenko Variation), have modest reputations. As the response to 11… Nd7 White has many possibilities deserving attention, some of them being: 12. Nbd2 exd4 13. cxd4 Nc6 14. d5 (the main line), 12. a4, 12. dxc5, 12. d5 and 12. b3. The general evaluation of these lines is that Black is able to equalize with accurate play.

[Diagram: White to Move] In this double-edged position White is the one to deliver the decisive blow. How can he win a full point?

Click here to see the line in our viewer…

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