Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=589
{ "count": 58924, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=590", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=588", "results": [ { "id": 87481, "name": "เล่นยังไงยากจัง", "director": { "id": 1131056, "username": "ไปมาดี6451604178", "country": "th", "icon": "https://user-uploads.online-go.com/9bad3b53ad0aa858a613e740a134e9d8-64.png", "ratings": { "version": 5, "overall": { "rating": 1045.4259387731772, "deviation": 86.47998792464345, "volatility": 0.060015804310778006 } }, "ranking": 15.945289772861498, "professional": false, "ui_class": "" }, "description": "งงงงงงงงง", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 60, "max_time": 300 }, "is_open": true, 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"open", "started": "2022-01-29T18:30:39.547003Z", "ended": "2022-01-29T19:04:06.291507Z", "start_waiting": "2022-01-29T18:30:39.365540Z", "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": 82907, "name": "9x9 blitz tourney", "director": { "id": 599102, "username": "🐬⚔️🐬 🍩🥂🕯️🌱", "country": "bs", "icon": "https://user-uploads.online-go.com/9f1b3b5e4e9ea8e9cad3ce3456addaf5-64.png", "ratings": { "version": 5, "overall": { "rating": 1646.7114093252521, "deviation": 65.53236576357357, "volatility": 0.06020281826982568 } }, "ranking": 26.463626879317594, "professional": false, "ui_class": "" }, "description": "Welcome and have fun", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, 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"name": "Live 9x9 Double Elimination Tournament 2023-12-10 18:30", "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:20260102T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-02T22:00:46.447933Z", "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, 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"2023-12-10T18:31:29.929424Z", "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": 84742, "name": "Live 9x9 Double Elimination Tournament 2022-01-11 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": "DTSTART:20260102T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-02T22:00:46.447933Z", "lead_time_seconds": 1800, "tournament_type": 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