Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=1326
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"maximum_players": 100 }, "next_run": "2026-05-18T02:00:00Z", "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": "2022-01-27T22:30:55.713125Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-27T22:30:57.002173Z", "ended": "2022-01-27T23:31:52.316222Z", "start_waiting": "2022-01-27T22:30:56.789801Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 121715, "name": "Blitz 13x13 Swiss Tournament 2024-10-31 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260517T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-17T23:00:14.565807Z", "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": 9, "ranked": true }, { "id": 95778, "name": "Twin Cities Correspondence Tournament", "director": { "id": 1073692, "username": "JJ___", "country": "us", "icon": "https://user-uploads.online-go.com/5210d6bea1d375d2364a8c219fdb4ba1-64.png", "ratings": { "version": 5, "overall": { "rating": 1151.627865915103, "deviation": 60.5807172970415, "volatility": 0.05997534061563116 } }, "ranking": 18.185100372626433, "professional": false, "ui_class": "" }, "description": "Hello! Thought it would be fun to get an online tournament going. I usually respond to my correspondence games at least once a day, but I left some time here since I know we have busy lives. 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