This week
Discover the players leading the way.
Most wins · Calendar week · UTCYOUR ACCOUNTS, TOGETHER
Your Chess.com and Lichess games.
Together.
Connect multiple Chess.com and Lichess accounts. See your combined results and use AI explanations to understand what to improve.
Take ChessSum with you.
More than one account on the same platform? Add each one. See how it works ↓
ACROSS THE CHESS COMMUNITYRECORDED GAMES
Millions of moves.
Brought together.
♞ Chess.com♘ Lichess
Player accountsPublic game history
Recorded gamesMoves and results
Player accountsPublic game history
Recorded gamesMoves and results
ChessSum
The ChessSum collection
17,282,398recorded games, in one place
2,110Accounts tracked
2Platforms
Recorded games from tracked public accounts
Collection totals are updated regularly from recorded public games.
EVERY WIN TELLS A STORY
Players in the spotlight.
Most recorded wins this week, this month and this year.
This month
Discover the players leading the way.
Most wins · Calendar month · UTCThis year
Discover the players leading the way.
Most wins · Calendar year · UTCAmong eligible public accounts tracked by ChessSum, across all time controls. Source histories must be complete and recently synced. Equal win totals share a rank. This is an activity ranking, not a comparison of platform ratings.
ONE PLACE FOR YOUR CHESS
Your games. A clearer next move.
01
Connect your accounts
Bring your Chess.com and Lichess accounts into one personal workspace. More than one username? Add each one.
02
See the whole picture
Explore your combined history, results and activity. Ratings stay separate for each platform and time control.
03
Find your next step
Review your games, understand recurring mistakes and discover lessons to guide your practice.
A MOMENT ON THE BOARD
Watch the story unfold.
A different game to discover. Open its own replay page to follow every move and explore at your own pace.
YOUR NEXT MOVE, NEAR YOU
Find chess in your neighborhood.
Explore schools, clubs and events on the interactive map.
MAKE YOUR NEXT MOVE
More chess to explore.
Your tools, ready when you need them.
Players & games
Find public players, explore their histories and compare results.
Explore playersPlayer rankings
Discover active players, top results and platform leaders.
View rankingsYour chess community
Find clubs, schools, coaches and events on the community map.
Open the mapPrepare & improve
Prepare for an opponent, review your games and explore chess lessons.
Prepare for a game