Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=3021
{ "count": 59009, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3022", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3020", "results": [ { "id": 71561, "name": "Live 9x9 Double Elimination Tournament 2021-02-18 06:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260318T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-18T02:00:12.117785Z", "lead_time_seconds": 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Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. 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"maximum_players": 100 }, "next_run": "2026-03-18T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-02-18T02:30:18.780472Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-18T02:30:20.180491Z", "ended": "2021-02-18T02:56:48.728017Z", "start_waiting": "2021-02-18T02:30:20.004418Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 71551, "name": "Blitz 13x13 Swiss Tournament 2021-02-17 23:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260318T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-03-18T03:00:12.138187Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": 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"player_count": 6, "ranked": true }, { "id": 66511, "name": "Eat the other cookie to crumbs", "director": { "id": 759283, "username": "Space Kitty", "country": "us", "icon": "https://secure.gravatar.com/avatar/bb87f907a2d0d254ec22945acb6d1d15?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 972.4622734271871, "deviation": 77.60045066283931, "volatility": 0.06001983022826096 } }, "ranking": 14.27042438423444, "professional": false, "ui_class": "" }, "description": "A tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 631680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6248, "name": "Go Cookies!", "summary": "The Go branch of the Cookies club. 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"2021-02-17T21:34:08.167557Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1e4b89c49ac21b10477f4ffd118b37d7-15.png", "player_count": 2, "ranked": true } ] }
