Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=1336
{ "count": 59469, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=1337", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=1335", "results": [ { "id": 107987, "name": "Live 9x9 Double Elimination Tournament 2023-09-30 02:30", "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:20260225T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-25T18:00:22.218195Z", 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0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-12-19T22:30:14.607277Z", "ended": "2015-12-19T22:58:53.879724Z", "start_waiting": "2015-12-19T22:30:14.514859Z", "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": 105575, "name": "Live 9x9 Double Elimination Tournament 2023-07-20 14:30", "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": 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"description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 693, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-07-30T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, 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"time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13331, "name": "go_go", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://user-uploads.online-go.com/ecb5715ff25f14b2d645280bdf7a7e4f-64.png" }, "auto_start_on_max": true, "time_start": "2023-06-15T16:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 17, "analysis_enabled": true, "exclusivity": "group", "started": "2023-06-16T15:19:31.270358Z", "ended": "2023-07-05T21:41:37.696902Z", "start_waiting": "2023-06-16T15:19:30.966600Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ecb5715ff25f14b2d645280bdf7a7e4f-15.png", "player_count": 5, "ranked": true }, { "id": 98143, "name": 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"player_count": 10, "ranked": true } ] }