Chessy
Center Game: Kieseritzky Variation – Playing 3...Nc6 as White
After 1.e4 e5 2.d4 exd4 3.Nf3 Nc6, you reach the Center Game: Kieseritzky Variation. By capturing back with 4.Nxd4, you've immediately taken control of the centre with your knight — a classic open-game approach. The engine gives Stockfish +0.26, a small edge for White. That means you are slightly better at this point. Your opponent now has several ways to continue, and the statistics show that one reply stands far above the rest. Let's see what the numbers say and how you can make the most of your little plus.
Play the Center Game: Kieseritzky Variation: Nc6 against the engine
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Create a free account →The Big Stat: 16 Million Games on Move 4
The most-played move here is 4...Nxd4, which has appeared in over 16 million games on Lichess. That's more than all other replies combined. White scores 54.1% against it — your best winning percentage in the whole position. The second most popular reply, 4...Bc5, appears in about 6.2 million games but drops White's score to 49.1%, meaning Black does slightly better there. The engine's top recommendation, however, is neither of those: Stockfish prefers 4...Nf6, a move played about 3.6 million times. Knowing which replies are statistically dangerous and which ones give you the edge will help you navigate the early middlegame with confidence.
Facing the Most Common Reply: 4...Nxd4
When Black plays 4...Nxd4, they trade knights immediately, simplifying the position. White recaptures and Black often follows up with ...Nf6, ...Bc5, or ...d6. This line leads to an open position where White has a small lead in development. Your 54.1% score here is the highest in the database — you should welcome this continuation. Just be careful not to overextend; develop your bishops and castle quickly. The extra tempo you gain from Black's early queen attacks will often leave them scrambling to catch up.
Punishing Black's Mistakes
Three of Black's options are clear inaccuracies or mistakes according to the engine. Watch for them and be ready to capitalise. 4...Qf6 is an inaccuracy that loses about 0.8 pawns — the correct move was 4...Nf6. Against 4...Qf6, you can simply play 5.Nxc6, forcing Black to recapture with the d- or b-pawn and ruining their pawn structure. 4...d6 is also an inaccuracy, losing about 0.5 pawns. Here 5.Bd3 is strong, keeping your pieces active. 4...Ne5 is a full mistake (losing about 1.0 pawns). After 4...Ne5, you can chase the knight with 5.f4 or simply develop with 5.Bd3 and enjoy a clear advantage. Spotting these suboptimal moves — especially 4...Qf6 and 4...Ne5 — will give you a serious edge over unprepared opponents.
How to Handle the Engine's Favourite: 4...Nf6
Stockfish says Black's best move is 4...Nf6. This is a principled developing move that attacks your knight on d4 and prepares to castle. The engine's suggested continuation runs: 5.Nxc6 bxc6 6.Bd3. After 6.Bd3, White has a solid position: the bishop eyes the kingside, Black's doubled c-pawns are a long-term weakness, and White can castle next move. White scores 47.7% in this line — slightly below average — so while it's the engine's top pick, you're still very much in the game. Your plan is straightforward: finish development (0-0), put pressure on the c4-pawn or the centre, and prepare an eventual e5 push. Black's doubled pawns give you a small structural plus to nurse into the middlegame.
Results across 32,818,075 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Nxd4 | 16,065,928 | 54.1% |
| Bc5 | 6,209,591 | 49.1% |
| Nf6 | 3,666,456 | 47.7% |
| Qf6 | 1,775,127 | 49.6% |
| d6 | 1,405,015 | 49.2% |
| Ne5 | 993,521 | 51.7% |
Frequently asked questions
Is the Center Game: Kieseritzky Variation good for White?
Yes, at least in a practical sense. Stockfish gives +0.26, a small edge for White, meaning you are slightly better after 4.Nxd4. In the Lichess database of over 32 million games, White scores 51.5% — a healthy winning percentage, well above the typical 50% baseline.
What is Black's best move against 4.Nxd4?
The engine's top choice is 4...Nf6, attacking your knight on d4 and continuing with principled development. The most popular move by far is 4...Nxd4, which trades knights and gives White a 54.1% score — your best result. So while Nf6 is theoretically strongest, the most common reply actually favours you.
How should I punish 4...Qf6 or 4...d6?
Both are inaccuracies. Against 4...Qf6, simply capture on c6 with your knight (5.Nxc6) to damage Black's pawn structure. Against 4...d6, develop strongly — 5.Bd3 is a good option. Black has wasted a tempo and you can increase your lead.
What happens after 4...Bc5?
4...Bc5 is the second most popular move, played about 6.2 million times. White scores 49.1% here — slightly below average, so Black holds their own. You'll want to develop solidly, trade or chase the active bishop, and continue developing. It's a perfectly playable line but you'll need to be accurate.