French Defense

The French Defense begins 1.e4 e6, and it takes its name from a correspondence game played between the chess clubs of Paris and London in the 1830s, in which the Paris side used the defense to win. Unlike 1...e5 or 1...c5, the French doesn't fight for the center on the very first move at all — e6 prepares ...d5 instead, offering White a direct central confrontation one move later rather than immediately. That single move order decision defines almost everything that follows, because it lets Black meet 2.d4 d5 with a structure that is genuinely solid but carries one well-known long-term cost.

The trade every French player accepts

Once White plays 3.e5 or the position otherwise locks with pawns on e5 and d4 facing e6 and d5, Black's light-squared bishop is shut in behind its own pawn chain, with only the awkward path through d7 (after moving the knight or trading on e5) to get out. Every French player learns to manage this early, because it is not a minor inconvenience — a genuinely bad, undeveloped light-squared bishop can cost the game outright if never addressed. In exchange for this one real weakness, Black gets a structure that is extremely hard to attack directly, a clear plan (undermine the base of White's pawn chain), and — because White's own light-squared bishop is not obviously better placed in most lines — a position where the imbalance often cancels out by the time it actually matters.

Advance, Exchange, Classical, and Winawer: four different fights

White's third move sets the whole character of the game. The Advance Variation (3.e5) locks the structure immediately and stakes a claim on space, daring Black to attack the chain's base at d4 with ...c5 and pressure the head of the chain later; both sides know exactly what kind of middlegame they're getting from move three. The Exchange Variation (3.exd5 exd5) removes the central tension altogether, producing the single most symmetrical, drawish structure in the entire opening — a common choice for a player who simply wants to avoid deep French theory rather than fight for an edge. The Classical Variation (3.Nc3 Nf6 4.Bg5) pins the f6 knight before committing the center, keeping options open longer. And the Winawer (3.Nc3 Bb4), the sharpest of the four, pins the c3 knight and often forces White to accept doubled c-pawns after a trade on c3, handing Black the bishop pair and long-term structural targets in exchange for a genuinely dangerous white attack down the kingside and center.

The move that avoids the Winawer entirely

A large share of White players sidestep the Winawer on purpose with the Tarrasch Variation (3.Nd2), developing the knight to a square where it can't be pinned by ...Bb4 at all. It costs White a little flexibility — the knight is less actively placed on d2 than on c3 — but it removes Black's sharpest, most theory-heavy try from the game entirely, and it was Anatoly Karpov's primary weapon against the French in his World Championship matches with Viktor Korchnoi, precisely because it denied Korchnoi's favorite Winawer complications without conceding much in return. A club player who wants the Advance Variation's clarity but without fully locking the center on move three often ends up here as well.

Attacking the base of the chain

The French's central strategic idea, articulated most influentially by Aron Nimzowitsch in the early 20th century, is that a locked pawn chain should be attacked at its base, not its head — pressure on the front pawn (e5, in most French structures) achieves little on its own, but pressure on the pawn behind it (d4) can eventually cause the whole chain to collapse. This is why ...c5, striking d4, is Black's most consistent central plan across nearly every French variation, and why White's own plans so often revolve around defending d4 solidly enough (with c3, Nf3, and sometimes Qd2) that the chain never actually comes under real pressure. In the Winawer specifically, the doubled c-pawns White accepts become long-term structural targets for exactly this reason, even while White's attacking chances on the other side of the board are simultaneously very real.

What each side is actually defending and attacking

In every locked structure, White's job is to defend d4 solidly enough — with c3, Nf3, and sometimes Qd2 — that Black's central lever never actually lands, while also deciding on move three what kind of middlegame is even wanted before the structure locks at all. Black's job is the mirror image: strike that same base with ...c5 as the primary plan almost everywhere, while addressing the light-squared bishop's development deliberately rather than leaving it as an afterthought. In the Winawer specifically, both jobs sharpen considerably — White has to use the extra space and attacking chances the doubled pawns paid for rather than playing passively, and Black has to use the bishop pair and structural targets actively rather than just surviving White's initiative.

From a club correspondence game to Nimzowitsch's laboratory

Beyond its 1830s correspondence-match origin, the French's modern strategic reputation was built almost single-handedly by Aron Nimzowitsch, whose influential early-20th-century writing used the opening repeatedly to illustrate hypermodern ideas about blockade, overprotection, and attacking a pawn chain at its base rather than its tip. Later generations of committed French players, including Viktor Korchnoi and Wolfgang Uhlmann, built entire tournament careers around the opening as Black, proving at the highest level that the light-squared bishop's problems were a manageable cost rather than a fatal flaw.

The pawn break that helps White more than Black

A specific, recurring club-level error is playing ...f6 on reflex, treating it as the obvious way to challenge the e5 pawn the same way ...c5 challenges d4. It rarely works that cleanly: ...f6 weakens the e6 pawn and the king's shelter at the same time, and in many structures White is simply better prepared to meet the resulting opening of the position than Black is to exploit it. The base of the chain, not the head, is where the real lever lives — a French player reaching for ...f6 out of habit is usually attacking the wrong pawn, and often ends up worse off for having spent a move doing it. The same instinct, redirected toward ...c5 instead, is almost always the more productive one.

The Advance Variation and the sharp Winawer Variation represent the two extremes of French theory — one locks the structure immediately, the other accepts genuine structural damage for activity. Both have their own dedicated pages covering the specific plans in real depth, alongside the Advance Variation's space-versus-counterplay balance.

Players choosing between solid answers to 1.e4 often weigh the French against the Caro-Kann Defense, which solves the light-squared bishop's development problem in a completely different way.