B97

Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation

Chess diagram: Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation after 7…Qb6

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

172,719 games: White 46.8% / Draw 5.1% / Black 48.2%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
87,61088K
41,57642K
16,36116K
12,07412K
6,4186,418
2,1972,197
1,6641,664
1,1801,180

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026

Engine evaluation

+0.05 The position is about equal

Best play: 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Be7 11. fxe6 Bxe6 12. Nxe6 fxe6

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

By rating

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 538
1400–1799 11K
1800–2199 94K
2200 and up 70K
Masters, over the board 7,723

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 27, 2026

Overview

Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation (ECO B97, Semi-Open Games) is a variation of the Sicilian Defense: Najdorf Variation, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 (7 moves).

In 172,719 rated Lichess games between players rated 1600 to 2500, White won 46.8%, Black 48.2% and 5.1% were drawn. White's most played move here is 8. Qd2, in 51% of those games.

It continues into one named variation, Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted.

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How to play against the Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation

8. a3 scores best for White: 52.2%, with White winning 49.6% and Black 45.2% of 16K games. The most played, 8. Qd2, scores 51.0% in 88K games, and 8. Bxf6 scores lowest: 44.4%. Stockfish's first choice is 8. Qd2.

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

The Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation has lost ground since 2016: 0.0054% of Lichess games in 2025, down from 0.0073% (its peak: 0.0099% in 2018).

Numbers by year
YearShare of gamesGames
20160.0073%2,605
20170.0095%5,206
20180.0099%7,738
20190.0086%10,773
20200.009%26,285
20210.0078%30,389
20220.0063%23,605
20230.0053%20,092
20240.0053%19,154
20250.0054%18,606
2026 (Jan–Apr)0.0052%5,648

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

Variations (1)

Cite this page

Caissa Codex. “Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation (B97)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/sicilian-defense-najdorf-variation-poisoned-pawn-variation