Chess Openings Lab
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French Defense: Paulsen Variation

The Paulsen Variation is 3.Nc3, the main line of the French, defending e4 with the knight and keeping tension. Black now picks a system: the Classical with ...Nf6, the Winawer with ...Bb4, or the Rubinstein with ...dxe4.

Moves
1.e4 e6 2.d4 d5 3.Nc3
ECO
C10
Engine
+0.32 · a slight edge for White (Stockfish 17.1, depth 20)
Played
1,753 games in our lichess sample
White scores
54.3%

Key ideas for both sides

White

  • Against ...Nf6, pin with Bg5, the top engine line, or kick the knight with e5.
  • Against ...Bb4, push e5 and play a3 to force the bishop to take on c3, then hit g7 with Qg4.
  • Against ...dxe4, recapture with the knight and trade on f6 to reach a space edge with Nf3 and c3.
  • Keep d4 solid in every line, since Black's ...c5 break is coming soon.

Black

  • 3...Nf6 develops with pressure on e4 and leads to the ...Nf6 system, often met by Bg5.
  • 3...Bb4 pins the knight and creates sharp, unbalanced play after e5 and the trade on c3.
  • 3...dxe4 gives up the center for a solid game with ...Nd7 and ...Ngf6.
  • Avoid ...c5 here, the Marshall Gambit, which opens the center too early.

Plans and pawn structure

White's knight on c3 defends e4 and allows sharp systems with Bg5 or e5. Black's choice shapes everything: after ...Nf6 and Bg5 the fight is over the pin and the e4 point, after ...Bb4 and e5 White has space and Black hits the doubled c-pawns, and after ...dxe4 White keeps more space while Black trades knights. Every line revolves around d4 and Black's ...c5 break.

Where the engine's main line heads: White pawn d4, no e-pawns for White, no d-pawn for Black. White has a pawn on d4 and no e-pawn; Black has no d-pawn. White has more central space; Black's pieces are free and the d4 pawn is a target.

What the engine plays from here

Stockfish 17.1 at depth 20 rates the position +0.32: a slight edge for White. Its three top choices for Black:

  1. +0.32 3...Nf6 4.Bg5 dxe4 5.Nxe4 Nbd7 6.Nf3
  2. +0.35 3...dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+
  3. +0.54 3...Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3

Pawns, from White's side.

How it scores on lichess

1,753 rated lichess games reached this position; White scored 54.3%.

under 120049.4%
1200–159956.4%
1600–199955.4%
2000 and up52.5%

Light: White wins. Grey: draws. Dark: Black wins. About the sample.

Where it goes next

How to play against it

As Black, pick a system and learn its main lines: ...Nf6 for quick development, ...Bb4 for sharp play, or ...dxe4 for solidity. Do not play ...c5 now, and avoid slow moves that let White push e5 with free space. Each system has a clear plan, so choose one that fits your style.

Questions

What are the moves of the French Defense: Paulsen Variation?

The French Defense: Paulsen Variation starts 1.e4 e6 2.d4 d5 3.Nc3. Its ECO code is C10.

Is the French Defense: Paulsen Variation good for White?

Stockfish 17.1 rates the position +0.32 at depth 20, which is a slight edge for White. In 1,753 lichess games from our sample, White scored 54.3%. The main battleground of the French, ideal for White players who want rich, theoretical fights and space.

What is the main idea of the French Defense: Paulsen Variation?

White defends e4 with the knight and keeps the tension. Black chooses among ...Nf6, the Winawer and the Rubinstein, each with its own structure.

What should Black play next?

The engine's first choice is Nf6, with dxe4 and Bb4 close behind. 3...Nf6 develops with pressure on e4 and is the most natural way to fight for the center.

Updated October 2026. Sources and method.