Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=ranked&page=613
{ "count": 60246, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ranked&page=614", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ranked&page=612", "results": [ { "id": 58326, "name": "Czech Otto", "director": { "id": 12516, "username": "beidao", "country": "gb", "icon": "https://secure.gravatar.com/avatar/59a2fd07c62e453c1050a020696090aa?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 968.9543753362516, "deviation": 63.507104323925454, "volatility": 0.05973144133203961 } }, "ranking": 14.186765959616714, "professional": false, "ui_class": "" }, "description": "Checking Automatic Handicap\n\nThis tournament will be cancelled once we have learned how the set up appears", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 85, "name": "Isle of Skye", "summary": "If you've ever played, or are not 100% ruling out ever playing, in the tournament held every second year in the Isle of Skye, Scotland, then you qualfy for this group.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-03T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-03T09:00:44.435021Z", "ended": "2020-04-03T15:35:48.545945Z", "start_waiting": "2020-04-03T09:00:44.042995Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-15.png", "player_count": 3, "ranked": true }, { "id": 56684, "name": "Live 9x9 Double Elimination Tournament 2020-02-18 06:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260714T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-07-14T02:00:19.545650Z", "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, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-07-14T06:00:00Z", "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": "2020-02-18T06:30:56.852683Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-02-18T06:30:58.880868Z", "ended": "2020-02-18T07:30:44.977169Z", "start_waiting": "2020-02-18T06:30:58.095956Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 46138, "name": "Reg Correspondence 9x9 10player Round Robin. 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"maximum_players": 100 }, "next_run": "2026-07-14T05:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-10-19T17:30:28.349045Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-10-19T17:30:29.004171Z", "ended": "2019-10-19T17:54:58.133058Z", "start_waiting": "2019-10-19T17:30:28.374944Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 46973, "name": "Live 9x9 Double Elimination Tournament 2019-03-29 14:30", "director": { "id": 4, 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