Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5715
{ "count": 60780, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5716", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5714", "results": [ { "id": 143474, "name": "Classic W.D.D.T. 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 83669, "name": "correspondance 9x9 alter and go", "director": { "id": 1071520, "username": "Alter and Go", "country": "fr", "icon": "https://user-uploads.online-go.com/6a65c40a63ebd0ceca99dd959da0586c-64.png", "ratings": { "version": 5, "overall": { "rating": 1413.8848044734557, "deviation": 64.52208649693014, "volatility": 0.06034341342479805 } }, "ranking": 22.934661309135908, "professional": false, "ui_class": "" }, "description": "good games and have fun, tournament alter and go 9x9", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10477, "name": "Alter and Go", "summary": "Groupe français ! Bonne entente, débutant, confirmé, expert accepter ! lets go !", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 127, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-12-13T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-15T05:37:25.074363Z", "ended": "2022-01-16T13:30:05.314673Z", "start_waiting": "2021-12-15T05:37:24.966117Z", "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": 134570, "name": "Correspondence 13x13 RoundRobin 2025-11-21 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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260823T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-23T19:00:22.686135Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-08-26T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-11-21T19:00:08.092319Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-21T19:01:07.872930Z", "ended": "2025-12-25T12:23:36.416433Z", "start_waiting": "2025-11-21T19:01:07.714260Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 111791, "name": "9x9 Mini League 5k-15k #63", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. 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"max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-16T19:00:39.994036Z", "ended": "2024-02-25T10:38:10.806237Z", "start_waiting": "2024-02-16T19:00:39.886554Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true } ] }