About Checkspire

Competitive online chess

Checkspire is an online chess platform focused on competitive play, live games and tournament competition. Create or join events, compete across multiple tournament formats and build separate ratings across different chess time controls.

Tournament formats

Choose how you want to compete

Checkspire supports several tournament structures for different styles of competition.

♞

Swiss

Compete across multiple rounds against players with comparable tournament scores.

♜

Round Robin

Every participant faces every other player in the event.

♛

Single Elimination

Win your match and advance through the knockout bracket.

Tournament flow

From registration to the final round

1

Join

Enter an upcoming tournament before registration closes.

2

Pairings

Checkspire generates pairings according to the tournament format.

3

Play

Tournament games are played live directly in the browser.

4

Advance

Results update standings and determine the next round.

Competitive chess

More than tournament brackets

Ratings & Time Controls

Players maintain separate Bullet, Blitz, Rapid and Classical ratings. Games and tournaments can be Rated or Casual.

Live Games & Spectating

Games run in real time with chess clocks, move history and automatic timeout handling. Tournament games can also be spectated live.

Tournament Standings

Follow rounds, boards, player scores, standings and match results.

Direct Challenges

Challenge another player, choose a time control and color preference, and play Rated or Casual games.

Ready to compete?

Browse Checkspire tournaments or create an account and start playing.