Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=player_count&page=1076
{ "count": 59581, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=1077", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=1075", "results": [ { "id": 38561, "name": "Shusaku Title Tournament", "director": { "id": 517077, "username": "thomaid4417", "country": "un", "icon": "https://user-uploads.online-go.com/7384a5bfb50341e933bc9a8523c6a0cb-64.png", "ratings": { "version": 5, "overall": { "rating": 818.7608071345088, "deviation": 79.96491087639252, "volatility": 0.06000739668122208 } }, "ranking": 10.28771470653308, "professional": false, "ui_class": "" }, "description": "Win to earn your Shusaku Titles", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "time_control": "none", "speed": "correspondence", "system": "none", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2976, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": true, "time_start": "2018-06-27T17:25:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-04T11:44:52.456865Z", "ended": "2018-09-07T11:01:22.795405Z", "start_waiting": "2018-07-04T11:44:51.388178Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 4, "ranked": true }, { "id": 40638, "name": "Correspondence 19x19 RoundRobin 2018-09-07 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", 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true }, { "id": 51377, "name": "Live 9x9 Double Elimination Tournament 2019-08-23 22:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260509T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-09T06:00:49.329873Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, 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"analysis_enabled": false, "exclusivity": "open", "started": "2020-08-20T21:30:21.068941Z", "ended": "2020-08-20T21:50:20.522410Z", "start_waiting": "2020-08-20T21:30:20.900584Z", "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": 45362, "name": "Live 9x9 Double Elimination Tournament 2019-02-05 14:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260509T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-09T06:00:49.329873Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-09T10:00:00Z", "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": "2019-02-05T14:30:47.367621Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-02-05T14:31:50.011861Z", "ended": "2019-02-05T15:03:32.818089Z", "start_waiting": "2019-02-05T14:31:49.333252Z", "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": 40653, "name": "Kovat pelurit", "director": { "id": 564968, "username": "aksupieni", "country": "un", "icon": "https://secure.gravatar.com/avatar/b81657a83f2b50dc3d01a7a26cf0299c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1220.543546040722, "deviation": 70.74641538944569, "volatility": 0.060002377675935074 } }, "ranking": 19.530574021362803, "professional": false, "ui_class": "" }, "description": "filsan tunti", "schedule": null, "title": null, "tournament_type": "mcmahon", 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"2018-09-09T16:25:47.398017Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/f34ab0c0aac40d702814aba36b049495-15.png", "player_count": 4, "ranked": true }, { "id": 46128, "name": "tournoi amical", "director": { "id": 619546, "username": "per5ephone", "country": "_GoT_Targaryen", "icon": "https://secure.gravatar.com/avatar/f8b9a65ba0a0afc9c3f817ccc5a66957?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.7878918240577, "deviation": 77.15937548850452, "volatility": 0.059990735007497936 } }, "ranking": 7.013889746126262, "professional": false, "ui_class": "" }, "description": "tournoi sympa ouvert à tous!Fun Tournament open to all!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 100, "time_control_parameters": { "period_time": 60, "main_time": 3600, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 5, "speed": "live" }, "is_open": true, "exclude_provisional": false, "group": { "id": 95, "name": "France Go Players", "summary": "Le groupe pour les joueurs français!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1307, "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png" }, "auto_start_on_max": false, "time_start": "2019-03-02T17:40:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-03-02T21:08:52.629668Z", "ended": "2019-03-02T23:02:40.917007Z", "start_waiting": "2019-03-02T21:08:52.157733Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png", "player_count": 4, "ranked": true }, { "id": 42717, "name": "Live 9x9 Double Elimination Tournament 2018-11-12 06:30", "director": { 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