Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=3819
{ "count": 59501, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=3820", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=3818", "results": [ { "id": 3082, "name": "Everyone Welcomed! (until full) 17k and unders!!!", "director": { "id": 67357, "username": "Lein@d Why?", "country": "ca", "icon": "https://user-uploads.online-go.com/3a7c340bccabcef9661d2dc18ff12905-64.png", "ratings": { "version": 5, "overall": { "rating": 1206.3338535720202, "deviation": 62.726993542191146, "volatility": 0.06012340100410309 } }, "ranking": 19.25947821741587, "professional": false, "ui_class": "" }, "description": "why are we all still in this group?? hahaha\na fraction of us are already stronger than the administrators! In fact I challenge any one of them in a 19x19 corro ( though I'll probably lose) anyway 20 spots to begin with! have fun!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 173000, "time_control_parameters": { "time_control": "fischer", "initial_time": 18000, "max_time": 1036800, "time_increment": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 222, "name": "Low-Rating 30k's", "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 279, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 13, "analysis_enabled": false, "exclusivity": "open", "started": "2014-11-11T17:50:32.185217Z", "ended": "2015-05-12T13:45:30.389297Z", "start_waiting": "2014-11-11T17:50:31.727795Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png", "player_count": 0, "ranked": true }, { "id": 68424, "name": "Blitz 19x19 Elimination Tournament 2020-11-30 21:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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69097, "name": "Blitz 13x13 Swiss Tournament 2020-12-18 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 Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260428T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-28T03:00:35.185764Z", "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, 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"started": "2020-12-05T19:31:41.919507Z", "ended": "2020-12-05T20:23:03.385463Z", "start_waiting": "2020-12-05T19:31:41.546269Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 125851, "name": "Live 9x9 Double Elimination Tournament 2025-02-27 02:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260428T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-28T02:00:35.113685Z", "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": "2026-04-28T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2025-02-27T02:30:50.773207Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-02-27T02:31:50.851917Z", "ended": "2025-02-27T02:59:01.196859Z", "start_waiting": "2025-02-27T02:31:50.773809Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 71090, "name": "Correspondence 9x9 RoundRobin 2021-02-07 19:00", "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 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"pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-02-07T19:00:46.566969Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-07T19:01:48.694599Z", "ended": "2021-04-02T10:57:23.239464Z", "start_waiting": "2021-02-07T19:01:46.264217Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 7381, "name": "Live 19x19 Swiss Tournament 2015-05-11 20:30", "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, 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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": "2015-05-11T20:30:28.931139Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-05-11T20:30:31.069128Z", "ended": "2015-05-11T22:33:11.161347Z", "start_waiting": "2015-05-11T20:30:30.956057Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 129854, "name": "Live 9x9 Double Elimination Tournament 2025-06-26 10:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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