Lichess ratings are used throughout this dataset. If you play on Chess.com, your rating there is typically 200–300 points lower than your Lichess equivalent, meaning a 1400 on Chess.com corresponds roughly to a 1600–1700 here. Use the rating band filters accordingly.
Key patterns across 20,058 games
Each circle is an opening family. Size = games played. Above the 50% line means white wins more often than black with that opening.
White, Black, and Draw % per band
Victory status breakdown by rating band
Bar width = game count. Win % shown as White / Black.
Each bar shows the net difference between white and black win rates. Pointing right means white wins more often; pointing left means black wins more often.
Bullet, Blitz, and Rapid outcome breakdown
How white's win rate shifts as the game follows opening theory for more moves. The x-axis counts half-moves: ply 10 means both sides made 5 opening moves. One line per rating band.
The box shows the middle 50% of game lengths. The line inside is the median. Whiskers extend to the typical minimum and maximum.
The box covers the middle 50% of move counts. The line is the median, the dot is the average. Higher-rated games tend to go longer.
Win rate of the higher-rated player as the rating gap grows.