Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-ended&page=4390
{ "count": 60576, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=4391", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=4389", "results": [ { "id": 40003, "name": "Correspondence 9x9 RoundRobin 2018-08-16 01:00", "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 Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260809T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-09T19:00:29.167284Z", "lead_time_seconds": 86400, 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"maximum_players": 100 }, "next_run": "2026-08-10T21:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-08-31T21:30:10.325405Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-08-31T21:30:12.715521Z", "ended": "2018-08-31T21:52:47.063703Z", "start_waiting": "2018-08-31T21:30:12.358275Z", "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": 40394, "name": "19x19 at the 30th minute", "director": { "id": 362354, "username": "JamesSun007", 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