Starting from 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+, players enter the Benoni Defense: Taimanov Variation — ECO A67. Across rating levels it shows up in 123,248 recorded games — enough data to map exactly where it succeeds and where it stalls.
History and Notable Players
It arises from the Benoni Defense: Pawn Storm Variation. On the White side, Ivan Farago (16 games), Viktor Moskalenko (15 games), Loek Van Wely (13 games) top the database. Notable Black exponents: Pavel Simacek (17 games), Levan Pantsulaia (15 games), Slobodan Kovacevic (13 games).
Performance Across Rating Levels
How well the Benoni Defense: Taimanov Variation works depends on what level you're playing at. At 1200 Elo, the opening shows up in 0.00% of games (69 samples). White scores 55.1%, Black 43.5%, draws 1.4%. By 1800, popularity is 0.00% and White's score is 54.6% to Black's 41.5%. Among 2500-rated players the line appears in 0.05% of games and draws spike to 6.9%, indicating tight preparation. White's edge erodes by 5.5pp from 1200 to 2500 Elo, suggesting Black's counterplay is easier to find with experience.
Move Diversity and Theory Depth
Move choice is far from uniform in the Benoni Defense: Taimanov Variation. At 1200 Elo, the top reply is Bd7, played 53.6% of the time. There are 3 other moves seeing meaningful share, and 100% of games stick to established theory. Entropy: 1.45. By 2500, Nfd7 dominates at 89.9% of replies; only 1 viable alternatives remain and 99.8% of moves are theory. Entropy drops to 0.59. The narrowing is significant — strong players consolidate around a small set of best moves, while amateurs scatter across many plausible-looking options.
Common Mistakes
- 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.
- Letting White own the centre — Hypermodern openings concede central space on purpose, but only if you strike back in time. Delay the counter-blow and you end up squeezed.
Practice on Chessiverse
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