[June 27, 2016] Updated Opening Line by Borki Predojević:
Slav Defense, Chebanenko Variation with 5. a4

[Line 099 : 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4]

White’s idea with 5. a4 is to prevent his opponent from playing dxc4 and supporting that pawn with b7-b5. However, playing a4 weakens the b4-square, and Black often makes use of it by deploying his Bishop or Knight on that place. Black’s typical reaction is 5… e6, and now White has a wide range of choices.

If White opts for a kingside fianchetto with 6. g3, he loses just enough time to allow his opponent’s counteraction in the center with 6… dxc4 7. Bg2 c5, which gives Black a quite satisfactory position.

Against more solid 6. e3, Black has a strong response in 6… c5 7. Bd3 Nc6, and the weakness on b4 gives him sufficient compensation for White’s slight developmental advantage.

In our opinion White’s best try is 6. Bg5, where Black has several possibilities of more or less equal strength: 6… a5, 6… h6 and 6… Nbd7.

[Diagram: Black to Move] Black sacrificed an exchange in the early stage of the game, and now needs to play a few accurate moves to secure a draw. How should he continue?

Click here to see the line in our viewer…

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