Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=ended&page=3570
{ "count": 59381, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=3571", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=3569", "results": [ { "id": 86367, "name": "Gosei title", "director": { "id": 1123476, "username": "Fujiwara-No-Cyl", "country": "un", "icon": "https://user-uploads.online-go.com/9d5f035b40145a327bff8a940434c90a-64.png", "ratings": { "version": 5, "overall": { "rating": 1521.2930566052066, "deviation": 259.2525264781341, "volatility": 0.060011620169820534 } }, "ranking": 24.62969440190871, "professional": false, "ui_class": "provisional" }, "description": "Earn the title", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 30, "periods": 5 }, "is_open": true, 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"https://user-uploads.online-go.com/9d5f035b40145a327bff8a940434c90a-64.png", "ratings": { "version": 5, "overall": { "rating": 1521.2930566052066, "deviation": 259.2525264781341, "volatility": 0.060011620169820534 } }, "ranking": 24.62969440190871, "professional": false, "ui_class": "provisional" }, "description": "Earn the title", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11179, "name": "Go title series", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/9d5f035b40145a327bff8a940434c90a-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-20T20:21:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-20T20:21:58.332726Z", "ended": "2022-02-20T20:54:42.074398Z", "start_waiting": "2022-02-20T20:21:58.279357Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9d5f035b40145a327bff8a940434c90a-15.png", "player_count": 2, "ranked": true }, { "id": 86371, "name": "Lappenliga", "director": { "id": 582683, "username": "deleted-a59de934-35a6-49d2-b6e9-ae4a65dea399", "country": "de", "icon": "https://secure.gravatar.com/avatar/ab6e70447593d09428e19e459e03ae7f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1633.4582124253434, "deviation": 63.11158193552202, "volatility": 0.05999077922837876 } }, "ranking": 26.276555347550783, "professional": false, "ui_class": "" }, "description": "Rapid mit Fischertime", "schedule": 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"DTSTART:20260214T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-02-14T07:00:19.920480Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-02-14T11:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-02-20T23:30:02.894346Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-02-20T23:30:04.219149Z", "ended": "2022-02-21T00:19:25.683411Z", "start_waiting": "2022-02-20T23:30:04.022263Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 86378, "name": "Live 9x9 Double Elimination Tournament 2022-02-21 02:30", "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 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13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true } ] }
