French Defense (C00)
Black builds a solid pawn chain and aims for a counterattack on the queenside.
Taught for Black · 5 study lines · main line: 1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7…
Free spaced-repetition drills — no account needed to analyze, and the trainer remembers what you have learned.
How do you reach the French Defense?
1.e4 e6 — Black prepares 2...d5 behind a short pawn chain. When White advances e5, the chain locks and the real French begins: Black attacks its base with ...c5 and ...f6 while the "bad" c8-bishop waits for its moment.
What does the French Defense give you — and cost you?
For
- A complete fighting system: solid AND counterattacking, never merely passive.
- The thematic plans (...c5, ...f6, piece pressure on d4) repeat game after game.
- White’s kingside space often becomes a target, not an asset.
Against
- The c8-bishop is the eternal French problem — mishandle it and you suffer.
- Cramped early positions punish impatient play.
- White chooses the pawn structure (Advance, Tarrasch, Exchange) — know all three.
Which French Defense lines should you study?
Advancealso known as: French Defense: Advance Variation, Euwe Variation
1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Bd7 6.Be2 Nge7 7.Na3 cxd4 8.cxd4 Nf5 9.Nc2 Qb6 10.O-O Rc8
Final book move played in 137 master games.
Against 3.e5 the plan is a siege: ...c5, ...Nc6, ...Qb6 and every piece points at d4. This line adds the modern refinement ...Bd7 and ...Nge7–f5 — the knight reaches its dream square attacking d4.
Count the attackers on d4: your f5-knight, the c6-knight, the b6-queen — the pawn is pinned to permanent defense duty and White’s pieces serve it like courtiers. Double rooks on the c-file, keep the f5-knight untouchable (...h5 if g4 comes), and choose the moment for ...Be7 and ...O-O. White’s kingside space is real, but a defender tied to d4 cannot attack.
Tarraschalso known as: French Defense: Tarrasch Variation, Closed Variation, Main Line
1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6 9.exf6 Nxf6 10.Nf3 Bd6
Final book move played in 2,067 master games.
3.Nd2 avoids the Winawer pin at the cost of a slower center. You strike classically — ...c5 and then the key French break ...f6, dissolving his proud e5-pawn on schedule.
The ...f6 break already succeeded: e5 is gone, your f6-knight and d6-bishop point at his kingside, and the half-open f-file is yours. This is the French at its best — the "cramped" defense suddenly owns the initiative. Castle short, play ...Qc7 and ...Bd7–e8–g6 or ...e5 when ready, and attack the king his slow setup left underdefended.
Exchangealso known as: French Defense: Exchange Variation
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3 Nf6 5.Bd3 Bd6 6.O-O O-O 7.Bg5 Bg4 8.Nbd2 Nbd7 9.c3 c6 10.Qc2 Qc7
Final book move played in 145 master games.
The Exchange is White declining the argument — symmetric pawns, "equal" position. Punish the lack of ambition with piece activity: this line’s ...Bg4 pin and ...Qc7 battery generate play from nothing.
Symmetric pawns, asymmetric pieces: your ...Bg4 pin annoys, and the ...Qc7/...Bd6 battery on the b8–h2 diagonal aims straight at his king — h2 needs watching every single move. Trade only when it improves a piece; reroute the d7-knight to f8–g6 or b6. Exchange French draws happen when BLACK is passive — stay busy and his comfort becomes carelessness.
Boleslavsky Variationalso known as: French Defense: Steinitz Variation, Boleslavsky Variation
1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.Qd2 b5 9.a3 Qa5 10.dxc5 Bxc5 11.Bxc5 Nxc5
Final book move played in 263 master games.
The Steinitz French with 7.Be3 met by the modern ...a6/...b5/...Qa5 counter — queenside space now, and 10...Bxc5 trades into a structure where his e5-pawn owes more than it earns.
After 11...Nxc5 the trades favor your geometry: the d4-square is yours to occupy, ...Ne6-or-...Na4 probes his queenside, and the f4/e5 chain that looked so proud must now be defended by pieces that would rather attack. Castle short (his f4 made long castling loose for him), double on the c-file, and time ...f6 for the moment his f-pawn cannot recapture cleanly. French middlegames are won by whoever’s pawn breaks land on schedule — ...b4 and ...f6 are both already loaded.
with 4.Bd3also known as: French Defense: Exchange Variation
1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Bd6 5.Ne2 Ne7 6.O-O O-O 7.Bf4 Bf5 8.c3 c6 9.Bxd6 Qxd6
Final book move played in 33 master games.
The Exchange French with 4.Bd3 promises White a "safe" game — mirror him with 4...Bd6 and prove the draw offer premature: symmetric structure, asymmetric understanding.
Through 10...Qxd6 the symmetry is real and so is your comfort: no weaknesses, the f5-bishop posted before ...c6 sealed it in, and every plan available — ...Nd7/...Nf6-or-...Ng6, ...Re8, and the minority idea ...b5–b4 on the queenside. Exchange French positions punish autopilot: his c3/Ne2 setup wants Ng3 trades, so meet Ng3 with ...Bg6 and keep the bishop. Winning symmetric structures is a skill the Leitner ladder was built for — small edges, repeated until they compound.
What do opponents play against the French Defense at your level?
Reply shares from Lichess blitz, rapid and classical games, split by the rating band of the players — because the sideline that dominates beginner games often disappears entirely from stronger ones. Book moves in the study line are marked.
From the starting positionstudy line continues e4
| Lichess band | Most played | 2nd | 3rd |
|---|---|---|---|
| <1200 | e4 66.5%book | d4 20.7% | e3 2.9% |
| 1200s | e4 66.3%book | d4 21.9% | Nf3 2.3% |
| 1400s | e4 64.8%book | d4 23.2% | c4 2.6% |
| 1600s | e4 62.6%book | d4 24.8% | c4 3.2% |
| 1800s | e4 59.6%book | d4 26.7% | c4 3.9% |
| 2000s | e4 55%book | d4 29.1% | c4 4.9% |
| 2200+ | e4 48.8%book | d4 32.4% | Nf3 7.7% |
After 1.e4study line continues d4
| Lichess band | Most played | 2nd | 3rd |
|---|---|---|---|
| <1200 | Nf3 34.6% | d4 28.3%book | Nc3 7.8% |
| 1200s | Nf3 35.5% | d4 34.4%book | Bc4 6.8% |
| 1400s | d4 39.3%book | Nf3 33.3% | Bc4 6.2% |
| 1600s | d4 45.2%book | Nf3 29.4% | f4 5.5% |
| 1800s | d4 53.4%book | Nf3 23.9% | f4 5.8% |
| 2000s | d4 62.6%book | Nf3 17.5% | Nc3 4.6% |
| 2200+ | d4 71.3%book | Nf3 10.6% | d3 6.2% |
Shares are of games in each band at that position, from the Lichess opening explorer data the trainer itself studies from.
How often do opponents go wrong against the French Defense?
Of the players who reach the French Defense (after 1.e4 e6 2.d4 d5), the share who make a mistake or blunder on the lines we teach, by rating band. Every reply is graded against Stockfish with the game review's own labels; each figure is a lower bound. How we measure.
| Lichess band | Make a mistake | Within | Games |
|---|---|---|---|
| <1200 | 25% | 10 moves | 5.5M |
| 1200s | 22% | 11 moves | 8.3M |
| 1400s | 20% | 11 moves | 15M |
| 1600s | 16% | 11 moves | 23M |
| 1800s | 8% | 11 moves | 27M |
| 2000s | 4% | 11 moves | 18M |
| 2200+ | 2% | 11 moves | 8.0M |
How should you learn the French Defense?
Moves first, then the idea behind each move, then spaced review until recall is automatic — the method, the review schedule, and why cramming fails are covered in the opening-learning guide. The trainer here implements it directly: guided learning with the reason attached to each move, validation before practice, and a Leitner review ladder that keeps the lines you drill from evaporating.
Frequently asked questions
16% of Lichess players rated 1600–1799 who reach the French Defense make a mistake or blunder on the lines we teach within the first 11 moves (23M games, a lower bound). Every reply is graded against Stockfish with the same Mistake and Blunder labels as the game review; the full method is on our how-we-measure page.
AxiomChess teaches 5 study lines for this opening, each roughly ten moves deep — sourced from master practice and checked move-by-move against Stockfish before being taught. Depth past the point where a plan takes over adds review cost without adding wins.
Every move in the study lines here is engine-checked before it is taught, so the lines themselves hold up. The honest trade-offs are listed above — the c8-bishop is the eternal french problem — mishandle it and you suffer — and knowing when the plan does not apply matters as much as the moves.
Your games already show which openings you actually reach and where they go wrong — the trainer picks drills from your own measured slips.
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