Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1602
{ "count": 59769, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1603", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1601", "results": [ { "id": 104023, "name": "19x19 Open League #18", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1249.5655502727834, "deviation": 70.43292481869848, "volatility": 0.06020767880536208 } }, "ranking": 20.074590734857665, "professional": false, "ui_class": "" }, "description": "Open league for everyone. 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Join, play tournaments, and have fun. 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19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 61501, "name": "9no Encuentro de Go en línea, junio 2020", "director": { "id": 607938, "username": "kido.go.baduk", "country": "mx", "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png", "ratings": { "version": 5, "overall": { "rating": 733.7386350417765, "deviation": 67.58441146641512, "volatility": 0.06059085558486428 } }, "ranking": 7.749569442835256, "professional": false, "ui_class": "" }, "description": "Vamoa jugar!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "korean", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4974, "name": "Taller de Go-Biblioteca 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19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 124039, "name": "Blitz 19x19 Elimination Tournament 2025-01-06 09:30", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260527T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-27T05:00:16.779853Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, 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"initial_time": 259200, "max_time": 432000, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2702, "name": "Masters And Champions", "summary": "Your journey of knowledge from beginner to master will be fascinating with us!", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 34, "icon": "https://user-uploads.online-go.com/e6b8a636f6746575d2aa126a2b247efd-64.png" }, "auto_start_on_max": false, "time_start": "2019-02-28T23:00:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-02-28T23:00:41.972297Z", "ended": "2020-07-05T03:07:48.806655Z", "start_waiting": "2019-02-28T23:00:41.541811Z", "board_size": 19, "active_round": null, "icon": 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"name": "OST GO", "summary": "For Olympic tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 54, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": true, "time_start": "2022-07-01T19:22:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2022-07-01T19:22:31.751011Z", "ended": "2023-06-12T00:53:48.307328Z", "start_waiting": "2022-07-01T19:22:31.331723Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 12, "ranked": true } ] }
