Benoni Defense: Old Benoni: what should Black play?

In the Benoni Defense: Old Benoni (ECO A44), the most statistically significant and engine-recommended response for Black is d6. This move, played in 45.1% of recorded games, aims to solidify the center and control the e5 square while preparing for development. With an engine evaluation of +1.47, it remains the standard choice for maintaining structural integrity against White's space advantage.

The strategic role of d6

The move d6 is the primary continuation in this position, appearing in 1.2K recorded games. It serves to blunt the influence of the White pawn on d5 and prevents further central expansion. While White maintains a scoring percentage of 57.9% after this move, it is considered the most reliable way for Black to navigate the closed nature of the Old Benoni. By establishing a presence on d6, Black prepares to develop the kingside pieces and eventually challenge the center.

Alternatives and engine preferences

Beyond the main line, Nf6 is the second most frequent choice, played in 33.3% of games with an engine evaluation of +1.48. This move focuses on rapid piece activity and prepares for kingside castling. Another option is g6, seen in 11.8% of games, which typically leads to a fianchetto of the dark-squared bishop. While the engine views Be7 and Na6 as viable alternatives with evaluations around +1.49 to +1.52, these moves are significantly less common in practice, with Be7 appearing in only 0.2% of the 1,277 recorded games.

Positional considerations for White

White's setup is characterized by a significant space advantage granted by the pawn on d5. Following the main line of d6, White often focuses on reinforcing the center and developing the minor pieces to active squares. The statistics indicate that White performs well in these structures, largely due to the cramped nature of the Black position. Black must play accurately to find counterplay, often looking toward the queenside or timed central breaks to challenge White's spatial dominance.