Caro-Kann Defense: what to play after cxd5?

In the Caro-Kann Defense (ECO B01), the central advance d4 is White's most robust continuation, seizing central territory and securing an engine evaluation of +0.16. By establishing a classical pawn duo on the fourth rank, White contests key central squares and opens lines of development for both bishops. Across 2,106,958 games recorded at this position, White scores 48.1% after this principal continuation.

Strategic context of the d4 advance

Establishing the pawn on d4 prevents Black from dominating the center while supporting harmonious piece coordination. An illustrative engine continuation demonstrates how play naturally unfolds: d4 Nc6 c3 a6 Bd3 Bg4. In this sequence, White reinforces the center with a pawn on c3, develops the light-squared bishop to d3, and prepares to complete kingside development.

Main alternatives for White

White possesses several viable diversions from the primary pawn push. The solid support move c3 also holds an evaluation of +0.16 and yields a 48.0% score for White across 403K recorded games, with the illustrative branch c3 Nc6 d4 Bf5 Qb3 Qd7. A sharper choice is Ne5, evaluated at +0.05, which accounts for 497K games and produces White's highest score among the options at 52.4%, continuing along Ne5 Nc6 d4 e6 Bb5 Bd7.

Minor development paths

White can also prioritize piece development over an immediate central commitment. The quiet Be2 (+0.04) was played in 929K games with a 46.7% score, commonly seen in the line Be2 Bg4 d4 e6 Bf4 Bd6. Alternatively, the immediate check Bb5+ (+0.02) scores 46.1% and features the sequence Bb5+ Bd7 Be2 Bg4 O-O e6, allowing White to develop rapidly and castle kingside.