Chessy
Old Indian Defense: Czech Variation, with Nc3
After 1.d4 Nf6 2.c4 d6 3.Nc3 c6, White has reached a flexible but slightly better position. Stockfish rates this +0.75, a clear edge for White. That means you are already under pressure, so your job as Black is to stay solid, know the main replies, and meet the most common move with confidence. The drill below lets you practise the key decisions from this exact position instead of just memorising moves.
Play the Old Indian Defense: Czech Variation, with Nc3 against the engine
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Create a free account →What this setup is really asking of Black
The Old Indian Defense: Czech Variation, with Nc3 is a modest-looking structure, but the evaluation is not modest at all. White gets a clear, lasting advantage if you drift. So the main lesson is practical: do not waste tempi, do not create extra weaknesses, and be ready for White to take space in the centre. Your position is playable, but it is not one where you can ignore White's plans. You need accurate replies and a clear idea of where your pieces belong.
The move White chooses most often
The most-played continuation here is e4, with 211,860 games. The engine's best move is also e4, and the suggested continuation is e4 Nbd7 Be3 e5. That tells you something important: this is the critical path in the opening, and it is worth knowing well. In practice, if White chooses this move, you should be ready for a direct central struggle rather than a quiet manoeuvring game.
What the numbers say about the position
Across 512,541 games at this exact position, White wins 49.8%, draws 3.8%, and Black wins 46.4%. Those numbers fit the engine verdict: White has the easier game, while you still have chances if you handle the position carefully. The opening is not a disaster for Black, but it does ask you to defend accurately from the start. If you like positions where you can fight for equality against central space, this drill is useful.
The main mistake to avoid
The known mistake in this position is e3. It is marked as an inaccuracy and loses about 0.5 pawns; e4 was better. That makes the lesson simple: White's slow developing move can give Black a little relief, but if White takes the centre more ambitiously, the position becomes more testing. As Black, you should expect White to choose the stronger central option and be ready for it.
Results across 512,541 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| e4 | 211,860 | 50.8% |
| Nf3 | 138,100 | 49.6% |
| Bg5 | 76,983 | 47.9% |
| e3 | 28,487 | 48.6% |
| Bf4 | 25,283 | 48.9% |
| g3 | 10,976 | 50.9% |
Frequently asked questions
What is the key idea for Black in the Old Indian Defense: Czech Variation, with Nc3?
Your main task is to stay solid and react well to White's central play. The position is already slightly better for White, so Black should aim for a clean development and avoid giving away extra chances.
Which move should I expect most often against this line?
The most-played continuation is **e4**, and it is also the engine's best move. That makes it the most important line to know in the drill.
Is this opening good for Black?
It is playable, but the engine rates the position +0.75, which is a clear edge for White. You are fighting an uphill battle, so accuracy matters more than surprise.
What mistake should White avoid in this position?
The known mistake is **e3**, which is an inaccuracy and loses about 0.5 pawns compared with **e4**. That does not solve Black's problems, but it does show how important White's central choice is.
How many games feature the Old Indian Defense: Czech Variation, with Nc3?
Over 512K Lichess games have reached the Old Indian Defense: Czech Variation, with Nc3 position. White wins 49.8%, Black wins 46.4%, with 3.8% draws — based on real rated games.