C02

French Defense: Advance Variation, Extended Bishop Swap

Chess diagram: French Defense: Advance Variation, Extended Bishop Swap after 3…Bd7

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

Play any move on the board to explore from there, or step through the line with ‹ › and the arrow keys.

Statistics from Lichess

241,152 games: White 45.8% / Draw 4.5% / Black 49.7%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
105,246105K
49,99650K
28,55029K
14,65815K
13,11013K
8,5388,538
5,9545,954
3,7033,703

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

+0.23 The position is about equal

Best play: 4. c3 c5 5. Nf3 Nc6 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

By rating

The stronger the players, the better this line does for Black: Black scores 47% under 1400, 51% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 102K
1400–1799 200K
1800–2199 117K
2200 and up 18K
Masters, over the board 127

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

French Defense: Advance Variation, Extended Bishop Swap (ECO C02, Open Games) is a variation of the French Defense: Advance Variation, reached after 1. e4 e6 2. d4 d5 3. e5 Bd7 (3 moves).

In 241,152 rated Lichess games between players rated 1600 to 2500, White won 45.8%, Black 49.7% and 4.5% were drawn. White's most played move here is 4. Nf3, in 44% of those games.

Written from the Lichess opening list and explorer. Know this line well? Write about it.

Write a description or report a mistake
What would you like to send?

Markdown supported (headings ###, bold, lists, links). Submissions are reviewed before publishing.

How to play against the French Defense: Advance Variation, Extended Bishop Swap

4. c4 scores best for White: 50.9%, with White winning 48.7% and Black 47.0% of 13K games. The most played, 4. Nf3, scores 47.7% in 105K games, and 4. f4 scores lowest: 46.1%. Stockfish's first choice is 4. c3.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Popularity by year

The French Defense: Advance Variation, Extended Bishop Swap has gained ground since 2016: 0.016% of Lichess games in 2025, up from 0.012%.

Numbers by year
YearShare of gamesGames
20160.012%4,274
20170.0095%5,228
20180.0073%5,735
20190.0071%8,879
20200.0059%17,233
20210.0057%22,344
20220.0072%26,902
20230.009%33,912
20240.01%35,974
20250.016%56,502
2026 (Jan–Apr)0.017%18,187

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Cite this page

Caissa Codex. “French Defense: Advance Variation, Extended Bishop Swap (C02)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/french-defense-advance-variation-extended-bishop-swap