French Defence
Black invites White to build a big centre, then spends the game hammering at it — the opening of strategic counterpunchers.
If you want an opening that fights from the very first moves, French Defence is a superb candidate — principled, sharp and endlessly instructive.
After 4…Nfd7 the position resolves into a tense centre: the central pawns still face each other, and the timing and manner of the coming exchange shapes the whole middlegame.
The moves
After 4... Nfd7 — French Defence main line
Position breakdown
A factual read of the position after the main line — the files, the centre, the pawn structure and king safety that decide how the middlegame is played. These are computed from the actual board, not generic advice.
Files
Centre control
Tense centre
The d4/d5/e4/e5 squares — who occupies the centre decides how open the game becomes.
Pawn skeleton
Pawns only — the structure that explains every open file and majority at a glance.
Material level
Queenside pawns 3–3
Kingside pawns 3–3
Development
Knight active
Knight active
King safety
White king e1
Uncastled — take care
Black king e8
Uncastled — take care
Computed from the final position of the main line above — 8 plies, white to move.
Strategic ideas
Ideas for White
White aims for harmonious development, central control and well-timed pawn breaks.
Ideas for Black
Black targets the centre with counterplay, seizes outposts and strikes with the thematic pawn breaks.
Main variations (20)
Advance Variation
C02The Milner-Barry battleground: e5 space versus the ...c5/...Qb6 hits on d4 and b2.
Advance, Milner-Barry Gambit
C02The famous gambit: piece activity against the loose d4/b2 pawns — razor theory.
Advance, Nimzowitsch System
C02The ...Bd7/...the ...Bd7 setup supporting the queenside hits with maximum solidity.
Exchange Variation
C01The symmetrical exchange — a microscopic pull with better development.
Tarrasch Variation
C03Tarrasch's system: the wedge without the Winawer pin — deep positional battles.
Tarrasch, Open Variation
C07The immediate exchange-release: IQP dynamics and piece activity.
Classical Variation
C11The Steinitz setup: the c5/e5 tension with ...Qb6 pressure on b2 and d4.
Classical, Steinitz Attack
C11The exchange-release setup: IQP structures in French clothing.
Burn Variation
C11The Burn: the early trade releases the position — free piece play for both sides.
MacCutcheon Variation
C12The MacCutcheon's counter-pin: the sharpest classical French lines.
Winawer Variation
C15The sharpest French: bishop pair sacrificed to wreck White's pawns and hunt the initiative.
Winawer Poisoned Pawn
C19The French's own Poisoned Pawn: ...Qc7 sidesteps g4 raids and counterattacks.
Winawer, ...Qa5 System
C17The durable ...Qa5 setup: pressure on a3/c3 with ...Ne7-g6 regrouping.
Winawer, Classical
C18The classical Winawer battle: mutual pawn grabs with mating attacks on both kings.
King's Indian Attack vs French
C00The KIA approach to the French: the e5 wedge with closed-position plans.
French Wing Gambit
C02The b4 flank strike — rare, practical, and full of quick traps.
French Two Knights
C00The knight-development setup delaying d4 — solid, flexible, transpositional.
Diemer-Duhm Gambit
C02The romantic wedge gambit: e5/c3 space at any structural cost.
Chigorin Variation
C00The ...b6 setup: the bishop's path opens early — solid and offbeat.
La Bourdonnais Variation
C00The old f4/e5 setup: maximal space from move two, named after the great 1834 match.
Plans & pawn structures
- 1The central tension is the key decision: releasing it too early hands the opponent a free tempo and a target, so keep it until a capture wins a file, a diagonal or a clear structural edge.
- 2Trade correctly: before every exchange ask which piece benefits from the resulting square colours and pawn structure.
Typical middlegame structures
The main line leads to a tense centre: the central pawns still face each other, and the timing and manner of the coming exchange shapes the whole middlegame. No files have opened yet, so this is a manoeuvring struggle: improve your pieces and prepare the pawn break that will open the position on your terms.
Traps & tactical motifs
Every sharp opening has its traps — study the forcing lines around the centre and the f7/f2 squares before playing this in rated games.
Watch the typical motifs: pins against the pinned piece, knight forks after the natural captures, and queen sorties to a2/g2-style squares.
How to Play Against the French Defence
- As White, resolve the central tension on your terms: force the exchange that gives you the better structure rather than letting the opponent choose the moment.
Study plan & who it's for
Solidly intermediate. The main lines require real study, but the payoff is positions you can play for a lifetime. Best investment for Black players around 1400–2000.
Play through the main line above until the piece setup feels natural.
Learn the two or three critical pawn breaks for both sides.
Drill one variation at a time — always connecting moves to plans.