A91

Botvinnik-Bronstein Variation, Dutch

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nc3 O-O 6. e3

Opening moves: 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nc3 O-O 6. e3. This position is classified under ECO code A91.

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About This Opening

ECO Code

A91

Category Volume A

Opening Family

Dutch Defense

Position (FEN)

rnbq1rk1/ppppb1pp/4pn2/5p2/2PP4/2N1P1P1/PP3PBP/R1BQK1NR b KQ - 0 6

Lichess Stats

Across 24 rapid and classical games on Lichess (1600+ rated), White wins 38%, Black wins 54%, and 8% end in a draw from this position. The most common continuation is d6, played in 38% of games, followed by d5 and c6.

Observation period: 2026-07.

Small sample: 24 games. These percentages are descriptive and are too uncertain to compare opening strength.

38%

54%

White wins 38% Draws 8% Black wins 54%

24 rapid and classical games on Lichess (1600+)

Top Continuations

Bb4

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