A66

Mikenas V, Benoni

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5

Opening moves: 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5. This position is classified under ECO code A66.

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About This Opening

ECO Code

A66

Category Volume A

Opening Family

Benoni Defense

Position (FEN)

rnbqk2r/pp3pbp/3p1np1/2pPP3/5P2/2N5/PP4PP/R1BQKBNR b KQkq - 0 8

Lichess Stats

Across 21 rapid and classical games on Lichess (1600+ rated), White wins 62%, Black wins 33%, and 5% end in a draw from this position. The most common continuation is dxe5, played in 62% of games, followed by Nfd7 and Bg4.

Observation period: 2026-07.

Small sample: 21 games. These percentages are descriptive and are too uncertain to compare opening strength.

62%

33%

White wins 62% Draws 5% Black wins 33%

21 rapid and classical games on Lichess (1600+)

Top Continuations

dxe5

Nfd7

Bg4

Nh5

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