Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=2001
{ "count": 60991, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=2002", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=2000", "results": [ { "id": 143451, "name": "Live 9x9 Double Elimination Tournament 2026-08-22 06:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260910T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-09-10T10:00:35.870122Z", 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0, "rules": "japanese", "time_per_move": 86840, "time_control_parameters": { "time_control": "fischer", "initial_time": 39600, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 554, "name": "SOMS Go Club Group", "summary": "Only Savvanna oaks go club people", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/9334bf177365e6636e1ca8790499a83c-64.png" }, "auto_start_on_max": true, "time_start": "2015-02-25T18:20:00Z", "players_start": 3, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-25T20:44:36.779505Z", "ended": "2015-02-26T07:44:37.732470Z", "start_waiting": "2015-02-25T20:44:36.743295Z", "board_size": 9, "active_round": null, "icon": 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