Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=3256
{ "count": 60924, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3257", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3255", "results": [ { "id": 25286, "name": "Correspondence 13x13 RoundRobin 2017-03-08 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260901T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-09-01T19:00:32.573058Z", "lead_time_seconds": 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"next_run": "2026-09-04T02:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "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": "2017-07-02T14:30:24.407953Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-07-02T14:30:27.008016Z", "ended": "2017-07-02T15:25:24.839251Z", "start_waiting": "2017-07-02T14:30:26.458828Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 24185, "name": "Principiantes Latinoamérica", "director": { "id": 403297, "username": "TAB2", "country": "co", "icon": "https://user-uploads.online-go.com/dc4ccc0baec83db48159b3224c8091ca-64.png", "ratings": { "version": 5, "overall": { "rating": 1159.6124263634713, "deviation": 62.75893931187806, "volatility": 0.06009624708609581 } }, "ranking": 18.34505198851852, "professional": false, "ui_class": "" }, "description": "Hola a todos. Mi nombre es Daniel (TAB2). Escríbanme a mí o en el foro todos los latinoamericanos que quieran participar para hacerles la invitación al torneo.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 326, "time_control_parameters": { "time_control": "byoyomi", "period_time": 300, "main_time": 2400, "periods": 4 }, "is_open": true, "exclude_provisional": false, "group": { "id": 283, "name": "Colombia", "summary": "Bienvenidos", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 148, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-64.png" }, "auto_start_on_max": false, "time_start": "2017-02-17T01:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 1, "max_ranking": 14, "analysis_enabled": true, "exclusivity": "invite", "started": "2017-02-17T01:00:33.205342Z", "ended": 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