Improve your openings with this Chess openings explorer! Discover more than 10,000 openings and its database of over 2 million Grandmaster games.

It also helps you find which openings are better by showing you their respective win rates, among other statistics.
For example, did you know that black win 4% more games on average by answering "1. e4" by a Sicilian ("c5") rather than an Open Game ("e5")?