King's Gambit Accepted: Bc4 — Play Black With a Small Edge
You've stepped into one of chess's sharpest openings: the King's Gambit Accepted with 3.Bc4. After 1.e4 e5 2.f4 exf4 3.Bc4 Nc6, the board is already crackling with tension. White has offered a pawn for rapid development and attacking chances, but you've answered with the most principled move — bringing your knight out and keeping the pressure on. Stockfish evaluates this position at -0.56, a small plus for Black, meaning you are slightly better already. It's your job to make White pay for any inaccuracies. The drill below puts you in this exact position against an adapting engine, so you can practice turning that edge into a full point.
Play the King's Gambit Accepted: Bc4 against the engine
Free, no signup — you play black, the engine adapts to your level.
Jump into the drill below and face the King's Gambit Accepted: Bc4 as Black. The engine adapts to your level — practice punishing d3, Bxf7+, and Qh5 until that
Create a free account →What You're Actually Fighting For
Right now, White has a lead in development and a bishop eyeing f7 — the classic King's Gambit attacking square. But your position is solid. Your knight on c6 eyes the centre and supports ...d5 if White pushes d4. The pawn on f4 isn't just a free snack; it's a beachhead that lets you annoy White with checks and threats down the e-file and h4-diagonal. The engine says -0.56, a small edge for you, precisely because White's attacking potential is balanced by structural vulnerability: the f2-pawn is gone, the king is loose, and you have a pawn extra. Your task isn't to hang on for dear life — it's to outplay White in the messy, tactical middlegame this opening guarantees.
The Engine's Best Reply: d4
The computer's top move for White is 4.d4, and it's not hard to see why. After 4.d4, the engine's main line continues 4...Qh4+ 5.Kf1 d6 — Black gives check, forces White's king to move, and then solidifies the centre. This is the critical test: can White survive with the king on f1, or will your queen and pawn centre create lasting pressure? In practice, White scores 55.0% from this position across nearly 79,000 games, so the engine's choice works well for White at club level. But as Black, you're playing for that 43.5% win rate (plus another 2.7% draws), and the imbalance means one mistake from White changes everything.
Most-Played Moves and What They Mean
Let's look at what White actually plays across over 448,000 games. Each move tells you something about your opponent's plan — and your response. - 4.Nf3 (322,156 games, 54.4% for White): The most common move by a huge margin. It's natural development, blocking your ...Qh4+ check. Black usually continues with ...d6 or ...g5, fighting for the f4 pawn's survival. Expect a slower, positional struggle. - 4.d4 (78,761 games, 55.0% for White): The engine's choice. This is White's most ambitious try — grabbing central space and daring you to check on h4. - 4.d3 (14,228 games, only 45.7% for White): A serious mistake. This timid move drops the evaluation by about 1.1 pawns. Black can seize the initiative — more on this below. - 4.Nc3 (11,878 games, 52.2% for White): Develops another piece, keeping options open. Solid enough, though not as critical as d4. - 4.Bxf7+ (7,995 games, 49.0% for White): A flashy but losing bishop sacrifice. It's a mistake that costs about 2.3 pawns — take the bishop with your king and enjoy your material advantage. - 4.Qh5 (4,460 games, 46.4% for White): An inaccuracy that costs about a pawn. White threatens nothing serious — you can simply defend or counterattack.
Punish White's Three Common Mistakes
The statistics highlight three moves that hand you a clear advantage. Here's how to capitalise on each: - 4.d3 is a mistake: This passive retreat wastes White's attacking momentum. The engine says d4 was better. You now have a comfortable extra pawn and time to develop. Play ...d6, castle quickly, and prepare to break in the centre. White's 45.7% score here is the lowest across all main moves — seize it. - 4.Bxf7+ is a mistake: White offers a bishop for a pawn and some king exposure. Don't flinch — accept with ...Kxf7. You're up a piece for one pawn, and White's king safety doesn't compensate. The 2.3-pawn swing in the engine evaluation tells you this is a losing gamble for White. - 4.Qh5 is an inaccuracy: This loses about a pawn in evaluation. The queen is misplaced early — you can chase it with ...g6, or simply develop with ...d6 and ...Nf6, gaining time. White's 46.4% score shows they already struggle.
Results across 448,197 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Nf3 | 322,156 | 54.4% |
| d4 | 78,761 | 55.0% |
| d3 | 14,228 | 45.7% |
| Nc3 | 11,878 | 52.2% |
| Bxf7+ | 7,995 | 49.0% |
| Qh5 | 4,460 | 46.4% |
Frequently asked questions
Is the King's Gambit Accepted with Bc4 good for Black?
Yes, in the specific position after 1.e4 e5 2.f4 exf4 3.Bc4 Nc6, Stockfish evaluates the position at -0.56, a small edge for Black. You are slightly better because you have an extra pawn and White's king is already a potential target. Black's 43.5% win rate across over 448,000 games is very respectable for such a sharp opening.
What should Black play against 4.Nf3 in the King's Gambit Accepted: Bc4?
4.Nf3 is by far the most common move, played in over 322,000 games. Black typically continues with ...d6, protecting the f4 pawn and preparing ...g5 or ...Be7. You can also consider ...g5 immediately, reinforcing the pawn. The position remains complex, but you keep your extra pawn and your small advantage.
Why is 4.d3 a mistake for White in this line?
4.d3 is a mistake because it loses about 1.1 pawns in evaluation compared to the best move (d4). It's too passive — White gives up the fight for the centre and allows Black to consolidate the extra pawn easily. White wins only 45.7% of games from here, the lowest of any main move, so you should be confident playing against it.
How should Black respond to 4.Bxf7+ in the King's Gambit Accepted?
Just take it. Capture with ...Kxf7 — you gain a bishop for a pawn and are up material. The engine says this loses White about 2.3 pawns. Yes, White gets some king-hunting chances, but with careful play (develop quickly, keep your king safe), your extra piece should decide the game.