Starting from 1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6, players enter the French Defense: Tarrasch Variation, Guimard Defense, Main Line — ECO C04. Across rating levels it shows up in 181,477 recorded games — enough data to map exactly where it succeeds and where it stalls.
History and Notable Players
It arises from the French Defense: Tarrasch Variation. On the White side, Mladen Palac (10 games), Michele Godena (9 games), Vasil Spasov (8 games) top the database. Notable Black exponents: Milan Drasko (49 games), Igor Naumkin (34 games), Carlos Enrique Guimard (28 games).
Performance Across Rating Levels
Popularity and results vary sharply by rating level. The 1200 bracket has 2,282 games (0.00% of all games at that level); White wins 55.7%, Black 41.2%, 3.1% are drawn. By 1800, popularity is 0.00% and White's score is 47.9% to Black's 47.7%. Among 2500-rated players the line appears in 0.08% of games and draws spike to 9.9%, indicating tight preparation. White's edge erodes by 8.3pp from 1200 to 2500 Elo, suggesting Black's counterplay is easier to find with experience.
Move Diversity and Theory Depth
Looking at move selection shows how forcing — or not — the position really is. At 1200 Elo, the top reply is e5, played 67.7% of the time. There are 3 other moves seeing meaningful share, and 90.9% of games stick to established theory. Entropy: 1.62. By 2500, e5 dominates at 92.9% of replies; only 1 viable alternatives remain and 99.5% of moves are theory. Entropy drops to 0.46. The narrowing is significant — strong players consolidate around a small set of best moves, while amateurs scatter across many plausible-looking options.
Common Mistakes
- Drifting away from main theory — At 400 Elo, theory adherence sits at 72.1% — versus 98.9% at 2000. The most popular deviation is exd5 (played 19.8% of the time at 400, much less so up top). It looks fine but quietly hands the better-prepared side an edge.
- Neglecting development — Extra pawn moves in the opening are tempting, especially when you "know the moves". Developing a piece each turn is the simple correction.
- Drifting into passivity — These openings are solid, but solid is not synonymous with passive. Look for the right moment to break with a central pawn advance — without it, your pieces stay cramped.
Practice on Chessiverse
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