A91

Dutch Defense: Classical Variation, Blackburne Attack

Chess diagram: Dutch Defense: Classical Variation, Blackburne Attack after 5. Nh3

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

19,604 games: White 54.0% / Draw 5.7% / Black 40.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
16,27716K
1,7711,771
642642
415415
209209
130130
4141
2626

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 29, 2026

Engine evaluation

+0.55 White is slightly better

Best play: 5... O-O 6. O-O a5 7. Nf4 d5 8. b3 Re8 9. Ba3 Bxa3 10. Nxa3

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Dutch Defense: Classical Variation, Blackburne Attack (ECO A91, Flank Openings) is a variation of the Dutch Defense: Classical Variation, reached after 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nh3 (5 moves).

In 19,604 rated Lichess games between players rated 1600 to 2500, White won 54.0%, Black 40.3% and 5.7% were drawn. Black's most played move here is 5…O-O, in 83% of those games.

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How to play against the Dutch Defense: Classical Variation, Blackburne Attack

5…d6 scores best for Black: 44.6%, with Black winning 41.9% and White 52.6% of 1,771 games. The most played answer, 5…O-O, scores lowest: 43.3% in 16K games. Stockfish's first choice is 5…O-O.

Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Cite this page

Caissa Codex. “Dutch Defense: Classical Variation, Blackburne Attack (A91)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/dutch-defense-classical-variation-blackburne-attack