Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=1612
{ "count": 60824, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=1613", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=1611", "results": [ { "id": 108412, "name": "Correspondence 9x9 RoundRobin 2023-10-13 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 9x9 RoundRobin", "rrule": "DTSTART:20260824T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-24T19:00:25.211618Z", "lead_time_seconds": 86400, 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 116167, "name": "ซ้อม1234", "director": { "id": 1431598, "username": "paesoong1943", "country": "th", "icon": "https://user-uploads.online-go.com/7b75a3b0fff2e2565d3e05546cb4a946-64.png", "ratings": { "version": 5, "overall": { "rating": 729.3975227165325, "deviation": 67.20096420832496, "volatility": 0.060071649057180106 } }, "ranking": 7.612197340190815, "professional": false, "ui_class": "" }, "description": "12345566", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5893, "name": "Go Family", "summary": "", "require_invitation": false, "is_public": true, 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false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-07-04T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-20T10:07:14.210935Z", "ended": "2025-01-20T10:44:00.768430Z", "start_waiting": "2025-01-20T10:07:14.142318Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 116168, "name": "ซ้อม abc", "director": { "id": 564908, "username": "Sarawoot Kanya", "country": "th", "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1452.148991326993, "deviation": 63.88657344587466, "volatility": 0.06068133185769529 } }, "ranking": 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