English Opening: Anglo-Dutch Defense g3 — Playing Black

After 1.c4 f5 2.g3 e5, the key battleground is the dark squares. White's g3 setup fianchettoes the king's bishop, but your e5 pawn already challenges the centre from the black side. Your immediate idea is to develop naturally — bring out your knights and bishop, and put pressure on White's centre with pawn breaks. Unlike many reversed-Dutch lines, you haven't committed your king's bishop yet — that flexibility is an asset. The Stockfish evaluation of +0.40 reflects a slight White advantage, but only if they find the right plan. In practice, White scores 53.8% from this position across 193,460 games, which means you as Black still score over 46% including draws. That is a fully playable, combative opening.

Stockfish's top choice for White is 4.d4, immediately striking at your central pawn. The engine's principal variation runs 4.d4 Bb4+ 5.Bd2 Bxd2+, after which White recaptures and holds a solid centre with the bishop pair. This is the critical test of your setup: you must be comfortable giving up your dark-squared bishop to challenge the centre. The good news is that this precise line has only been played in about 6,480 games — far fewer than the popular 4.Bg2 — so many of your opponents will not choose the absolute best move. When they do, your task is simple: exchange on d2, develop quickly, and castle as soon as possible. The resulting positions are rich but require careful handling.

In a huge majority of games — 151,413 out of 193,460 — White plays 4.Bg2, completing the fianchetto. This is a natural developing move, but it gives you some breathing room. White scores 54.0% from here, so you are still slightly worse, but the pressure is less immediate than after 4.d4. Your best response is to continue developing: bring out your knights and prepare to challenge the d4 square. The key is to maintain your central pawn on e5 and not allow White to push d4 for free. If White plays d4 later, you want to be ready to recapture or exchange under favourable circumstances.

White also plays 4.Nc3 (16,666 games) and 4.e3 (7,927 games) with some frequency. Against 4.Nc3, White scores 52.9% — a slightly smaller edge than after Bg2. Your plan is the same: develop pieces, keep the centre solid, and watch for tactical ideas based on pawn breaks later. The 4.e3 line (52.2% for White) is less ambitious; White prepares d4 but delays the fianchetto. Here you continue developing your pieces naturally, prioritising central control and king safety. The engine's preference for 4.d4 shows that White needs to challenge your centre early to claim an advantage — if they play slower moves, your equality chances improve.

Across 193,460 games at this exact position, the scoreboard reads: 53.8% White wins, 3.4% draws, 42.8% Black wins. A few things stand out. First, the draw rate is very low (only 3.4%), which tells you this opening leads to decisive, fighting chess — exactly what you want if you are playing for a win as Black. Second, your 42.8% winning rate is respectable; you will win nearly as often as you lose if you play well. Third, White's best-scoring response is actually 4.d4 (58.3% for White), but it is rarely played. Most White players opt for 4.Bg2 (54.0%), which still gives you a decent chance. Use these numbers to guide your preparation: be most ready for 4.Bg2, but have a plan for 4.d4 since that is the engine's top line.