Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?ordering=subsequent_pairing_method&page=5606
{ "count": 59386, "next": "https://online-go.com/api/v1/tournaments/?ordering=subsequent_pairing_method&page=5607", "previous": "https://online-go.com/api/v1/tournaments/?ordering=subsequent_pairing_method&page=5605", "results": [ { "id": 62992, "name": "Blitz 13x13 Swiss Tournament 2020-07-11 15:30", "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:20260215T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-02-15T19:00:21.309266Z", "lead_time_seconds": 1800, 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}, "auto_start_on_max": false, "time_start": "2021-03-07T07:00:00Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-03-07T07:00:43.973741Z", "ended": "2021-03-07T08:15:19.819708Z", "start_waiting": "2021-03-07T07:00:43.743078Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 748, "name": "Ganju24's mini-tournament", "director": { "id": 23243, "username": "Ganju24", "country": "us", "icon": "https://secure.gravatar.com/avatar/f94191c7fb7e88b77321701384bffc61?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1586.2526783570834, "deviation": 64.96904575908962, "volatility": 0.06005673002966372 } }, "ranking": 25.597682949877882, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, 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"first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-02-20T07:54:12Z", "ended": "2009-02-20T06:54:12Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 750, "name": "JontomXire's mini-tournament", "director": { "id": 18483, "username": "JontomXire", "country": "gb", "icon": "https://secure.gravatar.com/avatar/0e26f44680e364b6ade58c65a24b0525?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1193.957011399183, "deviation": 65.07173856263891, "volatility": 0.0599654153375832 } }, "ranking": 19.020735121797166, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { 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"first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-02-16T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-07-10T12:30:01.537109Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-07-10T12:30:03.195789Z", "ended": "2020-07-10T13:54:31.767656Z", "start_waiting": "2020-07-10T12:30:02.921609Z", "board_size": 19, "active_round": null, "icon": 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