French Defense: King's Indian Attack with 3...c5 – A Solid Setup for White

The King's Indian Attack is all about slow, patient pressure. After 1.e4 e6 2.d3 c5 3.g3, you're not trying to blow Black off the board. Instead, you're building a solid pawn centre with e4 and d3, preparing to fianchetto your king's bishop on g2, and waiting for Black to commit. Your main long-term trumps are the g2-bishop (which will bear down on the centre and Black's kingside) and the possibility of pushing e5 later to gain space. Black on the other hand has a spatial advantage in the centre thanks to their c5-pawn and the flexible ...d5 break they can aim for. The engine evaluation of +0.13 is a way of saying: this is a game of chess from a balanced, playable position. Your job is to outplay your opponent, not out-book them.

Stockfish's preferred response to your 3.g3 is 4...d5 for Black, with the line continuing 4.d5 Qe2 5.Nf6 6.Bg2. This is a principled attempt to seize central space immediately, meeting your kingside fianchetto with a direct pawn advance. From your perspective as White, you're getting exactly what the King's Indian Attack aims for: a closed, strategic game where piece play and pawn breaks matter more than opening traps. You'll develop naturally behind your pawns, and your light-squared bishop will have a beautiful diagonal once Black inevitably plays ...e5 or ...dxe4. Even against Black's best response, your position is perfectly sound.

While the engine likes 4...d5, human players at club level choose differently. Here's what you're most likely to face, with White's winning percentage from the Lichess database of 48,632 games: 4...Nc6 is by far the most popular — 19,044 games, and White wins 48.3% of the time. That's a natural developing move and a good practical choice. 4...d5 comes second at 11,351 games, where White scores slightly lower at 46.0% — suggesting this is where you need to know your follow-up plan best. 4...a6 (5,578 games, White wins 47.6%) prepares ...b5 and queenside expansion. 4...Nf6 (3,341 games, White scores 49.6%) is your best statistical result — a flexible developing move that doesn't challenge your centre immediately. The rest (4...d6, 4...b6) appear less often but your winning chances stay consistent around 47-48%. The takeaway? All these lines are playable for you, and none is a knockout blow for either side.

A critical moment in the King's Indian Attack comes when you decide whether to push e5 or keep the tension. Generally, e5 is your main central break once Black has committed their knight or blocked the d-file. If Black plays 4...d5 and you respond correctly with Qe2 and Bg2, the advance e5 can cramp Black's position and give your kingside attack real bite. But if you push too early — before developing or without ensuring your king is safe — you can leave weaknesses behind. This is where the statistics tell a story: White's win rate dips slightly against 4...d5 (46.0%) because it forces you to know your follow-up. If you're unsure, develop first (Nf3, 0-0, Nbd2) and only push e5 when you've identified the right moment. The drill below will help you recognise that moment.