B46

Sicilian Defense: Taimanov Variation 5. Nc3 a6

Chess diagram: Sicilian Defense: Taimanov Variation after 5…a6

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Statistics from Lichess

2,397,822 games: White 48.0% / Draw 4.6% / Black 47.4%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
1,061,2321.1M
385,065385K
281,190281K
188,413188K
128,413128K
64,80365K
57,44757K
46,55447K

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

Engine evaluation

+0.40 White is slightly better

Best play: 6. Be3 Qc7 7. Qf3 b5 8. Nxc6 Qxc6 9. Bd3 b4 10. Nb1 a5

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

By rating

The stronger the players, the worse this line does for Black: Black scores 52% under 1400, 47% at 2200 and up and 46% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 102K
1400–1799 1M
1800–2199 1.5M
2200 and up 161K
Masters, over the board 6,752

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 26, 2026

Overview

Sicilian Defense: Taimanov Variation (ECO B46, Semi-Open Games) is a variation of the Sicilian Defense: Taimanov Variation, reached after 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 (5 moves).

In 2,397,822 rated Lichess games between players rated 1600 to 2500, White won 48.0%, Black 47.4% and 4.6% were drawn. White's most played move here is 6. Be3, in 44% of those games.

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How to answer 5…a6

6. Be2 scores best for White: 51.5%, with White winning 49.1% and Black 46.2% of 281K games. The most played, 6. Be3, scores 50.9% in 1.1M games, and 6. Bc4 scores lowest: 46.6%. Stockfish's first choice is 6. Be3.

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

Popularity by year

This line has lost ground since 2016: 0.084% of Lichess games in 2025, down from 0.11%.

Numbers by year
YearShare of gamesGames
20160.11%38,491
20170.11%62,603
20180.12%92,069
20190.11%137,911
20200.099%289,195
20210.091%357,278
20220.091%342,692
20230.089%335,713
20240.087%313,610
20250.084%292,064
2026 (Jan–Apr)0.086%93,928

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Transpositions

Cite this page

Caissa Codex. “Sicilian Defense: Taimanov Variation (B46)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/sicilian-defense-taimanov-variation-3