Slav Defense: Three Knights Variation: what should White play?

In the Slav Defense: Three Knights Variation, White faces a choice between immediate queenside pressure and solid central development. Engine analysis favors Qb3 (+0.62), which targets the sensitive b7 square left unprotected by Black's light-squared bishop. This aggressive queen sortie appears in 20.1% of recorded games (449K recorded) and delivers a 58.2% scoring rate for White.

Direct pressure with Qb3

Deploying the queen via Qb3 directly exploits Black's early bishop development to f5. The engine's preferred continuation runs Qb3 Qb6 c5 Qc7 Bf4 Qc8, where White gains queenside space and tempo against the black queen. By forcing Black to defend b7, White disrupts harmonious piece coordination and maintains an active initiative.

Clarifying the center with cxd5

The most common continuation is cxd5, chosen in 38.4% of games (859K recorded) with an evaluation of +0.48 and a 57.3% score. This exchange immediately resolves the central tension and often leads to cxd5 cxd5 Qb3 Bc8 e4 dxe4, where White follows up with queen pressure against b7 and central expansion with the e-pawn.

Solid setups and minor alternatives

White may also adopt a classical setup with e3, which is played in 39.1% of games (874K recorded). While solid, it rates lower at +0.27, yielding a 50.4% score after the illustrative continuation e3 e6 Nh4 Be4 f3 Bg6. Other possibilities include the hunting move Nh4 (+0.26, played in 2.5% of games), which aims directly at Black's bishop, and Bd2 (+0.25), though these lack the immediate dynamism of the top tries.