Free online chess tools for players and organizers: a fullscreen chess clock and handy tournament calculators. Each one works right in your browser, on any phone or laptop, with no signup. Pick a tool and get going.
A simple two player chess clock with common time controls and increment. Tap to start, tap your side after each move.
Open tool →Paste your player list and get round 1 Swiss pairings, with colours and the bye worked out for you.
Open tool →How many rounds does your tournament need? Type the number of players and get the recommended round count instantly.
Open tool →How long will your tournament take? Enter players and time per game to estimate the rounds and total event time.
Open tool →Two players tied on points? Enter each opponent's final score and get Buchholz, Buchholz Cut-1, Median and Sonneborn-Berger.
Open tool →Everyone plays everyone. Enter your players and get the full schedule, every round and every pairing, with byes worked out.
Open tool →Knockout night? Enter your players and get a printable bracket with byes and seeding done. Tap winners to move them through.
Open tool →Shuffle the back row for a Fischer Random night. One tap gives a legal position plus its SP number, so every board sets up the same.
Open tool →Print a score sheet for every board in one go. Event, round and both names filled in, 60 to 100 moves, A4 or Letter, or save as PDF.
Open tool →Watch a whole Swiss event play out before the real one. Real pairings, byes, standings and tiebreaks, for 4 to 64 players.
Open tool →Print a certificate for every player in one go: 1st place, participation, most improved or your own award. Four colours, A4 or Letter.
Open tool →A one-page printable for beginners and classes: a little board for every piece, its value, and castling, en passant and promotion.
Open tool →Paste names, get fair random matchups or random teams in one tap. Odd numbers handled. Works for any game or class.
Open tool →Enter your rating and your opponents' ratings and results. See your expected score, rating change and performance rating.
Open tool →Ready-to-print all-play-all schedules for 4, 6, 8 or 10 teams, with a results grid and balanced chess colours.
Open tool →A free printable PDF for teachers: a one-lesson guide, sign-up, pairing and score sheets, a manners poster and certificates.
Open tool →We are adding more free chess tools. Check back, or run a full tournament with the ChessHost app any time.
These tools are built for fun, everyday chess: a quick game with a friend, a club night, or planning a small tournament. No jargon and no setup, just open and use. When you are ready to run a real event, the ChessHost app takes care of pairings, standings, and results.
Pairings, standings, and results, all done for you. Set it up in minutes.
Start a free tournament