Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=2106
{ "count": 59351, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=2107", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=2105", "results": [ { "id": 31478, "name": "Correspondence 19x19 RoundRobin 2017-10-31 01:10", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260415T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-15T19:00:55.986580Z", "lead_time_seconds": 86400, 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Please take great care, thank you!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 180, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-28T10:30:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-28T10:30:56.414996Z", "ended": "2022-05-28T10:30:56.394485Z", "start_waiting": "2022-05-28T10:30:56.326754Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png", "player_count": 1, "ranked": true }, { "id": 28732, "name": "friendly battle", "director": { "id": 459376, "username": "i am poop", "country": "un", "icon": "https://user-uploads.online-go.com/f3bdb9442138dd6c2d4f619816d0f5e8-64.png", "ratings": { 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"subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2017-12-08T23:43:50.147038Z", "ended": "2018-02-17T20:15:27.705539Z", "start_waiting": "2017-12-08T23:43:49.477059Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 4, "ranked": true }, { "id": 31440, "name": "Correspondence 19x19 RoundRobin 2017-10-27 01:00", "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": 6, "name": "Correspondence 19x19 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