B20

Sicilian Defense: Kronberger Variation

Chess diagram: Sicilian Defense: Kronberger Variation after 2. Na3

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

77,447 games: White 46.5% / Draw 5.2% / Black 48.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
27,16427K
15,28215K
13,49213K
7,9827,982
6,4016,401
2,9492,949
1,8581,858
1,6221,622

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

Engine evaluation

0.00 The position is about equal

Best play: 2... Nc6 3. Bb5 d5 4. Nf3 dxe4 5. Ne5 Qd5 6. Nac4 Nf6 7. d3

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

Overview

Sicilian Defense: Kronberger Variation (ECO B20, Semi-Open Games) is a variation of the Sicilian Defense, reached after 1. e4 c5 2. Na3 (2 moves).

In 77,447 rated Lichess games between players rated 1600 to 2500, White won 46.5%, Black 48.3% and 5.2% were drawn. Black's most played move here is 2…Nc6, in 35% of those games.

It continues into one named variation, Sicilian Defense: Kronberger Variation, Nemeth Gambit.

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How to play against the Sicilian Defense: Kronberger Variation

2…e6 scores best for Black: 51.5%, with Black winning 48.9% and White 46.0% of 15K games. The most played, 2…Nc6, scores 51.5% in 27K games, and 2…d6 scores lowest: 49.5%. Stockfish's first choice is 2…Nc6.

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

Variations (1)

Cite this page

Caissa Codex. “Sicilian Defense: Kronberger Variation (B20)”. Lichess data as of 29 Oct 2026. https://chesscodex.org/openings/sicilian-defense-kronberger-variation