Facing the Dutch Defense: Queen's Knight Variation (g6)

Black has committed to two early flank moves — f5 and g6 — which leaves the centre relatively weak. As White, your lead in development (Nc3, Nf3, pawns on d4 and c4) gives you a clear spatial plus. The engine's best continuation (4.Nf3 Bg7, then g3, d6, Bg2) shows a patient approach: fianchetto your own king's bishop to control the long diagonal, then build a solid centre. You are not trying to force a quick knockout. Instead, you are steering toward a middlegame where Black's kingside fianchetto can become a target after you castle queenside or push e4-e5 at the right moment. The statistics back this up: White scores a healthy 49.1% win rate with only 3.9% draws — meaning the position is fighting, but you have the more natural plans.

With Black on move after 4.Nf3, the database of 173,598 games reveals a clear hierarchy of responses. By far the most popular is Bg7 (159,146 games), where White scores 48.8%. The second choice, d6 (8,838 games), yields a nearly identical 48.9% for White, so you can meet either with confidence. A few replies actually swing the numbers in your favour more sharply: e6 (1,478 games, White wins 54.1%), b6 (674 games, White scores 56.5%), and especially d5 (675 games, White a massive 59.7%). That last one is a statistical outlier — and also the only move the engine flags as a mistake. If Black plays d5, you gain roughly 0.9 pawns of evaluation compared to the best move Bg7. Learn to punish it.

The FACTS identify d5 as an inaccuracy that loses about 0.9 pawns of evaluation compared to the correct move Bg7. Why is d5 so bad? Black already played f5, and now d5 blocks the light-squared bishop's diagonal while allowing you to capture or pressure the centre even more directly. After 4.Nf3 d5, you have several promising continuations — for instance, cxd5 Nxd5 (hitting the knight with e4 or Bc4), or simply developing with g3 and Bg2 while Black's pawns on f5 and d5 become a stationary target. The stats confirm this: White scores nearly 60% in this line. If your opponent plays d5, seize the chance to grab a clear positional edge. If they play Bg7 or d6, settle in for a longer fight where your space advantage matters.

Against Bg7 (the main line), the engine recommends g3 followed by d6 and Bg2. This sets up a flexible kingside fianchetto of your own and keeps the option of a later e4 break. Against d6 (the second most popular move), the same plan works perfectly — develop naturally, control e4, and avoid rushing. Against c6 (1,747 games, White 51.4%), Black shores up the d5 square and prepares ...b5 or ...d5. Your best response is still the patient setup with g3 and Bg2, challenging the long diagonal and waiting for Black to commit. Against the rare e6 (White wins 54.1%), Black transposes toward a Stonewall-like setup; you can treat it similarly, aiming to undermine the f5-e6-d5 pawn chain later with g4 or e4 breaks. In every case, your underlying plan is the same: develop, control the centre, and let Black's slightly awkward pawn structure become a long-term weakness.