The Tarrasch Defence: 1.d4 d5 2.c4... Be7 begins with 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 (ECO D34). Across rating levels it shows up in 132,961 recorded games — enough data to map exactly where it succeeds and where it stalls.
History and Notable Players
It arises from the Tarrasch Defence: 1.d4 d5 2.c4... 6.g3. On the White side, Wolfgang Uhlmann (22 games), Mikhail Gurevich (12 games), Ivan Farago (12 games) top the database. Notable Black exponents: Milan Orsag (40 games), Antonio Frois (29 games), Goran M Todorovic (28 games).
Performance Across Rating Levels
How well the Tarrasch Defence: 1.d4 d5 2.c4... Be7 works depends on what level you're playing at. At 1200 Elo, the opening shows up in 0.00% of games (675 samples). White scores 50.1%, Black 46.8%, draws 3.1%. At 1800 the opening surfaces in 0.00% of games; White wins 51.7%, Black 42.2%, draws 6.2%. At the top end (2500+ Elo), popularity is 0.05% with 12.6% draws — a clear sign of how much theory rules the line at master level. White's edge erodes by 4.6pp from 1200 to 2500 Elo, suggesting Black's counterplay is easier to find with experience.
Move Diversity and Theory Depth
What players actually play after the opening moves depends heavily on rating. At 1200 Elo, the top reply is O-O, played 61.1% of the time. There are 4 other moves seeing meaningful share, and 81.7% of games stick to established theory. Entropy: 2.02. By 2500, O-O dominates at 93.1% of replies; only 2 viable alternatives remain and 99.7% of moves are theory. Entropy drops to 0.43. 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 86.4% — versus 98.4% at 2000. The most popular deviation is dxc5 (played 18.2% 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.
- Playing without a plan — Each Tarrasch Defence: 1.d4 d5 2.c4... Be7 middlegame demands a specific approach. Decide whether the position calls for attack, manoeuvre, or simplification before reaching for a move.
Practice on Chessiverse
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