1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 0-0 9.Be2 Re8 opens the Benoni Defense: Four Pawns Attack, Main Line, ECO A69. With 99,978 games on record, the patterns below come from the largest practical sample available.
History and Notable Players
It arises from the Benoni Defense: Four Pawns Attack. On the White side, Anatoly Vaisser (19 games), Evarth Kahn (12 games), Peicho Chonev Peev (11 games) top the database. Notable Black exponents: Jacob Murey (7 games), Karen Movsziszian (4 games), Norbert Zambor (4 games).
Performance Across Rating Levels
Popularity and results vary sharply by rating level. The 1200 bracket has 57 games (0.00% of all games at that level); White wins 50.9%, Black 47.4%, 1.8% are drawn. By 1800, popularity is 0.00% and White's score is 50% to Black's 46.3%. At the top end (2500+ Elo), popularity is 0.01% with 7% draws — a clear sign of how much theory rules the line at master level. White's score improves by 5.8pp from the 1200 bracket to the 2500 bracket — the line rewards preparation.
Move Diversity and Theory Depth
Looking at move selection shows how forcing — or not — the position really is. Below 1400 the samples are small (57 games at 1200), so the comparison starts at 1400, with 507 games. There, the top reply is Qc2, played 38.1% of the time. Four other moves each take at least 5% of games, and the top three moves account for 77.7% of games. Entropy: 2.32. By 2500 (1,648 games), e5 takes over as the top reply at 76.8%; only one other move still reaches 5% and the top three moves account for 98.4% of games. Entropy drops to 0.96. 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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