A37

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

Chess diagram: English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 after 5…e5

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

132,858 games: White 47.5% / Draw 7.5% / Black 45.0%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
85,27885K
32,14932K
5,3445,344
4,1724,172
3,7793,779
491491
386386
318318

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 5, 2026

Engine evaluation

+0.21 The position is about equal

Best play: 6. d3 d6 7. a3 Nge7 8. Rb1 a5 9. Bd2 h6 10. O-O Be6

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

Overview

English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 (ECO A37, Flank Openings) is a variation of the English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation, reached after 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 (5 moves).

In 132,858 rated Lichess games between players rated 1600 to 2500, White won 47.5%, Black 45.0% and 7.5% were drawn. White's most played move here is 6. O-O, in 64% of those games.

It branches into 2 named variations. In all, 5 named lines continue from it.

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How to play against the English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3

The most played answer, 6. O-O, also scores best for White: 52.2%, with White winning 48.3% and Black 44.0% of 85K games. Of the main answers, 6. d3 scores lowest: 49.8%. Stockfish's first choice is 6. d3.

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

Variations (2)

All 5 named lines that continue from here

Cite this page

Caissa Codex. “English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 (A37)”. Lichess data as of 5 Nov 2026. https://chesscodex.org/openings/english-opening-symmetrical-variation-botvinnik-system-reversed-with-nf3