Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-id&page=5192
{ "count": 58875, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=5193", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=5191", "results": [ { "id": 12499, "name": "Slovenija", "director": { "id": 143441, "username": "GO 2015", "country": "hr", "icon": "https://user-uploads.online-go.com/1d484170237a1841a15e135bf67ef441-64.png", "ratings": { "version": 5, "overall": { "rating": 1409.380850420779, "deviation": 71.72359569805504, "volatility": 0.06010797334851287 } }, "ranking": 22.860798883479337, "professional": false, "ui_class": "" }, "description": "Slovenija x9", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "nz", "time_per_move": 34, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 360, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 374, "name": "Slovenija", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 54, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png" }, "auto_start_on_max": true, "time_start": "2015-11-17T23:34:00Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2015-11-20T16:31:40.554561Z", "ended": "2015-11-20T16:56:41.613037Z", "start_waiting": "2015-11-20T16:31:40.353103Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 6, "ranked": true }, { "id": 12497, "name": "Live 9x9 Double Elimination Tournament 2015-11-16 22:30", "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 moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20251230T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2025-12-30T06:00:45.538975Z", "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": "2025-12-30T10:00:00Z", "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": "2015-11-16T22:30:48.454031Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-11-16T22:30:50.044824Z", "ended": "2015-11-16T23:40:30.920334Z", "start_waiting": "2015-11-16T22:30:49.900119Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 12495, "name": "good luck", "director": { "id": 148855, "username": "SLScraft", "country": "un", "icon": "https://user-uploads.online-go.com/bbf6a8942d6de1a3b70bc7f60f38f54f-64.png", "ratings": { "version": 5, "overall": { "rating": 931.049844681381, "deviation": 79.54299923247758, "volatility": 0.06001028392084275 } }, "ranking": 13.262971881467163, "professional": false, "ui_class": "" }, "description": "have fun for everybody", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 691209, "time_control_parameters": { "time_control": "fischer", "initial_time": 840, "max_time": 691200, "time_increment": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 19, "name": "頑張って”Good Luck\"", "summary": "We are here to help! Ask questions! We wish you luck on your 囲碁（Igo).", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2015-11-17T19:22:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2015-12-31T14:08:45.868974Z", "ended": "2015-12-31T14:36:47.158437Z", "start_waiting": "2015-12-31T14:08:45.776188Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 12493, "name": "Correspondence 13x13 RoundRobin 2015-11-17 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { 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