Caro-Kann Defense: Hillbilly Attack: what should Black play?

In the Caro-Kann Defense: Hillbilly Attack, Black's most effective and standard response is dxe4, capturing White's unprotected central pawn to challenge the early development of the bishop. With an engine evaluation of -0.80, dxe4 directly questions White's unorthodox setup and is chosen in 87.8% of recorded games (547K recorded). By liquidating the center immediately, Black secures a comfortable position while White scores 50.3% from this branch.

The principled response: dxe4

Taking the pawn with dxe4 represents the overwhelming consensus among practitioners, appearing in 547K games out of the 623K played from this position. By capturing on e4, Black exploits the fact that White has committed the bishop to b3 rather than supporting the center. In the engine main line dxe4 Qh5 g6 Qe2 Nf6 Nc3, White responds with an early queen sortie, but Black easily repels the threats while developing minor pieces naturally.

Alternatives: a5 and e6

A sharp alternative is a5, played in 1.9% of games (12K recorded) with an evaluation of -0.42, which seeks to immediately harass the b3 bishop. In the variation a5 exd5 a4 Bc4 cxd5 Bb5+, Black chases the bishop, resulting in White scoring 46.4%. Meanwhile, e6 is a more conservative choice played in 10.2% of games (64K recorded), yielding an evaluation of -0.14. After e6 Nc3 Nf6 e5 Nfd7 f4, play transposes toward French Defense structures where White scores 48.8%.

Minor deviations

Rare alternatives like h6 (eval +0.15) and Qa5 (eval +0.18) yield slight plus scores for White. Continuing with h6 Nc3 dxe4 f3 exf3 Nxf3 or Qa5 Nc3 Nf6 e5 Ne4 Nge2 forfeits Black's immediate central initiative, confirming why the straightforward dxe4 remains the primary recommendation.