Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ranked&page=1196
{ "count": 59582, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ranked&page=1197", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ranked&page=1195", "results": [ { "id": 68496, "name": "Simple Correspondence 19x19 DDK 2021 January", "director": { "id": 302584, "username": "koast", "country": "us", "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png", "ratings": { "version": 5, "overall": { "rating": 1518.190018088078, "deviation": 64.08013528375135, "volatility": 0.05996666523783403 } }, "ranking": 24.58242625475131, "professional": false, "ui_class": "" }, "description": "First SC tourney of 2021. Have fun!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5017, "name": "Simple Correspondence", "summary": "2 days per move. No Analysis.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-01T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2021-01-01T17:00:52.596255Z", "ended": "2021-03-23T11:16:41.028964Z", "start_waiting": "2021-01-01T17:00:51.096502Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "ranked": true }, { "id": 63267, "name": "30k - 19k", "director": { "id": 762885, "username": "Blevy26", "country": "gb", "icon": "https://user-uploads.online-go.com/2a461c1b63d25bdb1e3ca193d4f9d52a-64.png", "ratings": { "version": 5, "overall": { 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"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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260509T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-09T09:00:49.335483Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-05-09T13:00:00Z", "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": "2021-03-24T13:30:57.737515Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-03-24T13:32:59.102091Z", "ended": "2021-03-24T13:53:11.282582Z", "start_waiting": "2021-03-24T13:32:58.989449Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 64735, "name": "000000000", "director": { "id": 816056, "username": "JhenRongSyu", "country": "un", "icon": "https://secure.gravatar.com/avatar/8ad09d7f02687755ec30c7bb4c99c9ac?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1427.3256264941997, "deviation": 62.16083991347286, "volatility": 0.060021253765077505 } }, "ranking": 23.153692851154133, "professional": false, "ui_class": "" }, "description": "88596", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 60, "max_time": 3600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6593, "name": "00000", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": 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"2020-10-31T23:35:08.115858Z", "ended": "2021-01-16T15:56:15.561693Z", "start_waiting": "2020-10-31T23:35:06.727221Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/5073ea9feb7f9b23e5e801ae5c22cfc9-15.png", "player_count": 10, "ranked": true }, { "id": 67268, "name": "Angela vs Owen", "director": { "id": 865937, "username": "Angela Zhuang", "country": "un", "icon": "https://secure.gravatar.com/avatar/8559f7a8634e801ed2caaba7fa86842a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1662.3108939062977, "deviation": 290.31896371798047, "volatility": 0.05999967537233814 } }, "ranking": 26.681897238489267, "professional": false, "ui_class": "provisional" }, "description": "Hi\nI love you", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": true, "group": { "id": 7194, "name": "Owen z", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-10-31T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-31T16:20:02.245193Z", "ended": "2021-01-21T06:51:17.195152Z", "start_waiting": "2020-10-31T16:20:01.923100Z", "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": 66544, "name": "Titel", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": 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