Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=1662
{ "count": 58979, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=1663", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=1661", "results": [ { "id": 56851, "name": "Blitz 19x19 Elimination Tournament 2020-02-23 17:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260315T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-03-15T17:00:11.360145Z", "lead_time_seconds": 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-02-23T17:30:05.010874Z", "ended": "2020-02-23T17:54:07.425972Z", "start_waiting": "2020-02-23T17:30:04.338036Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 93808, "name": "Just a tournament", "director": { "id": 1145806, "username": "YT_Mr. Hosi", "country": "ru", "icon": "https://user-uploads.online-go.com/21b416fe0f4a7a32cca71355af09a5eb-64.png", "ratings": { "version": 5, "overall": { "rating": 1269.967313913865, "deviation": 66.18287701360585, "volatility": 0.059937188173005744 } }, "ranking": 20.449510354362694, "professional": false, "ui_class": "" }, "description": "Here's the tournament come in) \nCome to the group who is new will be glad to all)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 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true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? 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"2023-02-08T21:30:22.919616Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-02-08T21:31:24.459684Z", "ended": "2023-02-08T21:39:44.771623Z", "start_waiting": "2023-02-08T21:31:24.351150Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 83941, "name": "Christmas Tournament", "director": { "id": 880032, "username": "秋入十一月", "country": "us", "icon": "https://secure.gravatar.com/avatar/7f359e1a538b060830fc14b2b3e01f02?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 934.6138517613422, "deviation": 76.88825310671871, "volatility": 0.05999298488212337 } }, "ranking": 13.35141961663273, "professional": false, "ui_class": "" }, "description": "Let's Go!", "schedule": null, "title": null, "tournament_type": "mcmahon", 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