B50

Sicilian Defense 2…d6 3. d4

Chess diagram: Sicilian Defense after 3. d4

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

40,102,058 games: White 48.3% / Draw 5.0% / Black 46.7%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
38,910,52438.9M
Modern Variations, Anti-Qxd4 Move Order 462,231462K
235,244235K
111,428111K
81,80482K
71,16571K
51,52252K
48,38248K

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 7, 2026

Engine evaluation

+0.27 The position is about equal

Best play: 3... Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2

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

By rating

Rating changes little here: White scores 51% under 1400, 52% at 2200 and up and 53% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 3.8M
1400–1799 17M
1800–2199 23.7M
2200 and up 5.7M
Masters, over the board 186K

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 (ECO B50, Semi-Open Games) is a variation of the Sicilian Defense: Modern Variations, reached after 1. e4 c5 2. Nf3 d6 3. d4 (3 moves).

In 40,102,058 rated Lichess games between players rated 1600 to 2500, White won 48.3%, Black 46.7% and 5.0% were drawn. Black's most played move here is 3…cxd4, in 97% of those games.

It branches into 2 named variations; the most played is Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order. In all, 102 named lines continue from it.

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Popularity by year

This line has lost ground since 2016: 1.2% of Lichess games in 2025, down from 1.7% (its peak: 2.0% in 2018).

Numbers by year
YearShare of gamesGames
20161.7%606,141
20171.9%1,040,358
20182.0%1,563,182
20191.9%2,341,833
20201.9%5,675,957
20211.7%6,833,367
20221.5%5,775,518
20231.4%5,269,662
20241.3%4,776,723
20251.2%4,309,986
2026 (Jan–Apr)1.2%1,324,456

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 (2)

All 102 named lines that continue from here

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Cite this page

Caissa Codex. “Sicilian Defense (B50)”. Lichess data as of 7 Nov 2026. https://chesscodex.org/openings/sicilian-defense-3