Old Benoni Defense is reached after 2… c5 3. d5, and Black has two popular plans in this line. One is to proceed with a kingside fianchetto (3… g6), where apart from a transposition to Modern Benoni with 4. c4, White can also choose 4. Nc3. In the ensuing positions, White typically has more space and long term advantage, but on the other hand, Black’s position is quite flexible.
The other frequently played line is 3… b5, where Black can seize some space on the queenside, but it comes at a price – it leaves some weaknesses in his camp that White can poke and prod. Though Black’s position is sensitive, with accurate play, he can still get reasonable chances in the arising middlegames.
[Diagram: White to Move] Black has inadequate control of dark squares. How can White make use of it and launch a strong attack?
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