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French Defence: Ideas, Plans and Main Lines

How the French Defence works, what to do with the bad bishop, when to break with ...c5 and ...f6, and how to face the Tarrasch, the Classical, the Advance and the Winawer.

By AcademiaTal4 min read

The French is the defence of someone in no hurry. Against 1.e4, Black plays 1...e6 and, after 2.d4, challenges the centre with 2...d5. The aim is not to equalise by move ten: it is to reach a closed position where Black knows exactly which pawn to attack.

1.e4 e6 2.d4 d5

Botvinnik, Petrosian and Korchnoi played it for decades at the top, and it is still one of the most respected defences against 1.e4. Its great advantage at club level is that it makes sense: there are few structures, and the plans repeat from one game to the next.

The idea in one sentence

Black concedes space in order to attack the base of White's pawn chain later. When White pushes e5, the d4-e5 chain gives White space on the kingside; Black answers by attacking d4 with ...c5 and the head of the chain with ...f6.

What each side wants

Black:

  • Strike at the chain with ...c5, against d4, and with ...f6, against e5.
  • Pressure d4 with ...Nc6, ...Qb6 and sometimes a knight on f5.
  • Solve the c8 bishop: exchange it with ...Bd7-b5 or with ...b6 and ...Ba6, or bring it out via d7 and e8 to h5.

White:

  • Use the kingside space to attack: f4-f5, Qg4, pressure on h7.
  • Hold d4 long enough; if it falls, make sure it is in exchange for activity.
  • Punish the bad bishop: in a closed position, that piece can stay out of play for the whole game.

The main lines

Everything depends on White's third move.

Tarrasch: 3.Nd2

The knight goes to d2 rather than c3 to avoid the pin ...Bb4. Black has two paths of different character: 3...c5, which opens the game and can leave one side with an isolated pawn, and 3...Nf6, which after 4.e5 Nfd7 leads to the typical chain and a closed position.

Classical: 3.Nc3 Nf6

Black develops and puts pressure on e4. White usually chooses between 4.Bg5, keeping the tension, and 4.e5, gaining space and driving the knight away. This is the line where handling the centre is learned most clearly.

Advance: 3.e5

White closes the centre straight away. Black's plan is almost automatic —...c5, ...Nc6, ...Qb6, all aimed at d4— and so is White's: support the pawn with c3 and Nf3 and use the space. It is the most common variation at club level, and a very good one for starting to understand the French.

Winawer: 3.Nc3 Bb4

The sharpest. Black pins the knight and, after 4.e5 c5 5.a3 Bxc3+ 6.bxc3, White has doubled pawns but also the bishop pair and attacking chances on the kingside. It is a battle of imbalances: structure against initiative.

The rest: the Exchange and company

3.exd5 exd5 gives a symmetrical, quiet structure, and there are also rarer systems worth having prepared: in a club tournament they show up more often than the main theory.

Typical mistakes

  • Waiting too long to break. If Black does not play ...c5 in time, White settles in and attacks with all the space in their favour.
  • Forgetting the c8 bishop. It does not need solving on move five, but it does need a plan.
  • As White, attacking without looking after d4. The kingside attack collapses if the centre collapses first.
  • Opening the game before you are developed. The French rewards patience on both sides.

Who is the French for?

For players who prefer closed positions and clear plans to tactics from the opening. It needs far less theory than the Sicilian and produces games with real strategic content. In exchange, you have to accept that for a while Black has less space, and know how to wait for the right moment to break.

If you are torn between the French and something sharper, the Sicilian Najdorf is the other end of the answers to 1.e4. And if you have not chosen your repertoire yet, start with how to choose an opening.

How to study it

First the structure: the d4-e5 chain against d5-e6, and the two breaks. Then one variation at a time, starting with the one you will meet most; at club level, the Advance and the Tarrasch.

The course French Defense Deep Dive, with GM Andrés Rodríguez Vila and IM Mario Villanueva, covers in six lessons the Tarrasch with ...c5 and with ...Nf6, the Classical, the alternative lines, the Advance and the Winawer, with the plans, structures and tactical resources of each.

Frequently asked questions

What is the French Defence?
It is a reply to `1.e4` that starts with `1...e6` and continues `2.d4 d5`. Black lets White gain space and then attacks White's pawn chain with `...c5` and `...f6`. It is one of the most solid and most studied defences against `1.e4`.
What is the main problem of the French Defence?
Black's light-squared bishop, shut in behind the pawns on `e6` and `d5`. A good part of the theory is about activating it, exchanging it or making it irrelevant. Anyone who plays the French learns to live with that piece.
Is the French Defence good for beginners?
It is a good choice for players who would rather understand structures than memorise tactics: the positions are closed, the plans are clear and they repeat. It requires patience, because in the opening Black usually has less space.

Courses that cover this

If you want to put this into practice with structured material:

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