Old Indian Defense: g3 — Play Black with Confidence

By playing e5, Black strikes at White's pawn centre before it gets too cosy. White has set up a fianchetto with g3, intending to put the bishop on g2 and control the long diagonal. Your advance to e5 says, “I'm not letting you have the centre for free.” The resulting pawn structure is flexible — you have not committed your light-squared bishop yet, and you keep the option of ...c6, ...Nbd7, or even ...Be7 depending on White's response. The engine's best move for you here is d5, meeting the centre with a centre. That creates a classical pawn-on-pawn tension that feels familiar and sound.

Stockfish recommends d5 as Black's reply, with the follow-up plan of Be7, Bg2, c6. By playing d5, you immediately challenge White's d4 pawn and open lines for your pieces. After d5, the game typically continues ...Be7 Bg2 c6, where Black has a solid but not passive structure — the bishop on e7 eyes the kingside, and the pawn on c6 supports the centre. Notice that White's most natural-looking move, dxe5, is actually the most popular in the database (1,264 games), but White scores only 53.8% with it. That's not a punishing score for White, meaning Black is doing fine. Your plan after dxe5 is simple: recapture with the pawn (...dxe5) and develop naturally.

Across all 3,313 games in this position, White wins 52.6% of the time, Black wins 43.0%, and only 4.5% end in draws. That low draw rate tells you this opening leads to fighting, imbalanced games where one side often wins. The critical insight: when White plays d5 (the engine's best move for White but only 364 games), White's winning percentage drops to 49.5% — below half. That means your reply ...d5 (or meeting White's d5 appropriately) gives you excellent practical chances. The most dangerous White moves for you are Nf3 (55.6% White wins, 214 games) and dxe5 (53.8%), but even those are not crushing — just slightly above average for White.

The database and engine agree: e3 is a mistake by White. It loses roughly 0.6 pawns of advantage — a notable slip at this level. Why? Because e3 is passive and lets Black seize the centre without a fight. If White plays e3, you have a comfortable position where your ...e5 break has already done its job. The best move for White was d5, keeping the tension. When your opponent plays e3, you can simply develop with ...Be7 or ...Nc6, knowing you are already slightly better. Keep an eye out for this one — it's a common trap for White players who want to avoid complications but end up worse.