Chessy
How to Play Black in the English Opening: King's English Four Knights with g3
The Four Knights English can feel like a staring contest — both sides develop naturally, and the first subtle imbalance often decides the game. After 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3, Black's most accurate reply is the immediate central challenge: 4...d5. The position is dead level, with Stockfish giving +0.06, a tiny edge that means nothing in human play. You are essentially equal out of the opening — the question is which side will blink first. Let's see what the statistics and the engine recommend so you know exactly how to handle whatever White throws at you.
Play the English Opening: King's English Variation, Four Knights Variation: g3 against the engine
Free, no signup — you play black, the engine adapts to your level.
Fire up the interactive drill below and practise the position after 4...d5 against the engine. See if you can punish White's most common mistakes and hold the平衡
Create a free account →The Central Clash: Why 4...d5 Works
By playing 4...d5, Black immediately fights for the centre and avoids being squeezed by White's g3 setup. White has committed the king's knight to f3 and the king's bishop to g3 (after the fianchetto), so the d5 break arrives when White's pieces are not yet perfectly placed to punish it. The numbers back this up: across nearly 89,000 games from this exact position, Black scores 43.9% wins versus White's 51.9%, with only 4.1% draws. That low draw rate tells you this is a fighting, unbalanced opening — not a dry positional trudge. Your counterstrike creates real winning chances from a perfectly equal starting point.
The Engine's Choice: cxd5 and the Simplest Line
When you play 4...d5, White's best move is 5.cxd5. From 77,805 games (the vast majority of all games) White scores 52.9% with this capture — respectable but far from crushing. The engine's preferred continuation runs: 5.cxd5 Nxd5 6.Bg2 Nxc3. After Black recaptures on c3, White will likely recapture with the b-pawn (7.bxc3), giving Black a solid pawn structure and easy development. This line is clean and principled: you challenge the centre, trade when appropriate, and reach a middlegame where your coordination is as good as White's. There is no trick to memorise — just good chess.
White's Common Mistakes to Punish
Many White players at your level avoid the main line, and the statistics show that almost every alternative is a blunder. Here are the three most common mistakes and how to exploit them: - 5.Bg2 (4,572 games, White scores just 46.6%): This loses about 1.5 pawns of advantage. After 5...dxc4, White has gambited a pawn for no real compensation. Simply capture and defend it. - 5.b3 (1,529 games, White scores 41.5%): A serious mistake costing roughly 2.7 pawns. Black can play 5...d4, gaining space and kicking the knight on c3. Your position will be clearly better. - 5.d3 (1,489 games, White scores 42.8%): Another mistake worth about 1.4 pawns. Again, 5...dxc4 leaves White struggling for equality. None of these moves threaten you. If White plays anything except 5.cxd5, you should emerge from the opening with a clear plus.
When to Choose This Opening as Black
The Four Knights English with g3 is ideal when you want a sound, principled opening that avoids heavy theory while still offering winning chances. You never have to memorise sharp lines — your plan is simply to play 1...e5, develop naturally, and meet 4.g3 with the central break 4...d5. The position stays fluid and unbalanced (fewer draws than many symmetrical openings), which rewards your understanding of piece play and pawn structures over rote memory. If you enjoy outplaying your opponent in the middlegame rather than catching them in a trap, this variation is an excellent addition to your repertoire against 1.c4.
Results across 88,730 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| cxd5 | 77,805 | 52.9% |
| Bg2 | 4,572 | 46.6% |
| b3 | 1,529 | 41.5% |
| d3 | 1,489 | 42.8% |
| e3 | 1,337 | 42.1% |
| d4 | 910 | 50.7% |
Frequently asked questions
What does Black play against the English Opening Four Knights with g3?
The most accurate reply is 4...d5, striking immediately in the centre. This leads to a dead-level position where both sides have equal chances. The engine's best line continues 5.cxd5 Nxd5 6.Bg2 Nxc3, after which White recaptures on c3.
Is the English Opening Four Knights g3 good for Black?
Yes — from Black's perspective the position is dead equal, with Stockfish evaluating it at +0.06 in White's favour. Black scores 43.9% wins from this position, and the low draw rate (4.1%) means you get plenty of winning chances without taking any opening risk.
What are the biggest mistakes White can make in this opening?
If White plays 5.Bg2, 5.b3, or 5.d3 instead of the correct 5.cxd5, they are making a mistake. The worst is 5.b3, losing about 2.7 pawns. In all these cases Black can gain an advantage by capturing on c4 (after Bg2 or d3) or advancing d4 (after b3).
What happens after 5.cxd5 in the English Four Knights g3?
After 5.cxd5 Nxd5 6.Bg2 Nxc3, White will continue with 7.bxc3. The resulting position is roughly equal and playable for both sides. Black has a solid pawn structure and easy development, with no immediate threats to worry about.
How many games feature the English Opening: King's English Variation, Four Knights Variation: g3?
Over 88K Lichess games have reached the English Opening: King's English Variation, Four Knights Variation: g3 position. White wins 51.9%, Black wins 43.9%, with 4.1% draws — based on real rated games.