What is the most common chess opening?

The most common first move is 1.e4. Among club players online, 1.e4 e5 is the most common start, and among stronger players it's the Sicilian Defense, 1.e4 c5. That's what the numbers from 2.6 billion online games show, fetched November 6, 2026.

The first move

This is how often White chose each first move in 2.6 billion games between club players, 660 million of them between strong players.

Share of the games. Online games in blitz, rapid, and classical, fetched November 6, 2026. Club players: an average rating of at least 1600 on the site where they played; strong players: an average of at least 2000.
MoveLeads toClub playersStrong players
1.e4open and semi-open games59.2%53.2%
1.d4closed games26.8%30.1%
1.c4the English Opening3.9%5.1%
1.Nf3a flank opening3.6%5.7%

So almost six in ten games between club players start with 1.e4. Among strong players 1.d4 is more popular than among club players, but 1.e4 still comes first.

The answer to 1.e4

Here the levels differ. Club players most often answer 1…e5, strong players 1…c5.

ReplyThe openingClub playersStrong players
1…e5open games, such as the Italian Game and the Ruy Lopez34.7%23.1%
1…c5the Sicilian Defense24.0%31.5%
1…e6the French Defense11.3%12.6%
1…d5the Scandinavian Defense8.7%7.4%
1…c6the Caro-Kann8.5%10.7%
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After 1.e4 e5, the most common start among club players.
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After 1.e4 c5, the Sicilian Defense, the most common among strong players.

Counted across all games, 20.4% of club players' games start with 1.e4 e5 and 14.2% with 1.e4 c5. Among strong players it's the other way around: 16.7% start with the Sicilian and 12.3% with 1.e4 e5.

Italian or Spanish?

After 1.e4 e5 2.Nf3 Nc6, White most often chooses 3.Bc4, the Italian Game: in 42.1% of club players' games and 37.9% of strong players'. The Ruy Lopez, 3.Bb5, comes second with 26.1% and 33.7%.

The answer to 1.d4

Against 1.d4, club players most often answer 1…d5, in 39.9% of games. Strong players more often choose 1…Nf6, in 38.1%. From there the road leads to the Queen's Gambit and the Indian defenses, such as the King's Indian and the Nimzo-Indian.

About the numbers

The numbers are for games on a large chess site, in blitz, rapid, and classical, fetched November 6, 2026. The levels are based on the players' ratings there, not on FIDE's list. We haven't counted how it looks in over-the-board tournaments.

Numbers for more positions are in the analysis board's opening explorer and on each opening's page under chess openings.

Sources

  • The Lichess open database (CC0), through this site's opening explorer: the starting position and the positions after 1.e4, 1.d4, 1.e4 e5, 1.e4 c5, and 1.e4 e5 2.Nf3 Nc6, fetched November 6, 2026
  • This site's opening pages

The facts on this page come from the sources above and, where possible, were checked across several sources. Where the sources disagree, we say less or say what each one says. A number that is an estimate says whose it is, and a counted number comes with its date.

Updated November 14, 2026