Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-ended&page=3643
{ "count": 59554, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=3644", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=3642", "results": [ { "id": 59120, "name": "der21", "director": { "id": 466732, "username": "percehaie", "country": "fr", "icon": "https://user-uploads.online-go.com/66b39481d5e6b5acbfc866e326c84706-64.png", "ratings": { "version": 5, "overall": { "rating": 1074.7077479286818, "deviation": 63.190905096195884, "volatility": 0.06013100534072089 } }, "ranking": 16.584793774982078, "professional": false, "ui_class": "" }, "description": "19x19 blitz", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 1, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 1, "initial_time": 10, "max_time": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. 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"professional": false, "ui_class": "" }, "description": "Can you have 0 people in a tournament?", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 30, "max_time": 60 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4456, "name": "Our Go House", "summary": "Hello this is Our Go House š°š°\nšššš YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 160, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-23T05:18:00Z", "players_start": 0, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, 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"created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-04T14:00:49.028520Z", "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": "2026-05-04T18:00:00Z", "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": "2020-04-23T02:30:41.825628Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-23T02:30:44.054925Z", "ended": "2020-04-23T03:55:48.200274Z", "start_waiting": "2020-04-23T02:30:43.004004Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 13, "ranked": true }, { "id": 59413, "name": "Go is god game", "director": { "id": 764046, "username": "č”ęēæ", "country": "hk", "icon": "https://secure.gravatar.com/avatar/928d105e4c157f5d9ec3902768380843?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1266.6663961151423, "deviation": 71.71685149190829, "volatility": 0.05999924249711152 } }, "ranking": 20.38926019694169, "professional": false, "ui_class": "" }, "description": "Gogogogogogogogogogogogogogogogogogo", "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": 4573, "name": "Go Playground", "summary": "", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/9d7bc58cb903eb4610d051c64257b436-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-21T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-22T17:43:21.999373Z", "ended": "2020-04-23T03:55:03.300420Z", "start_waiting": "2020-04-22T17:43:21.501897Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9d7bc58cb903eb4610d051c64257b436-15.png", "player_count": 4, "ranked": true }, { "id": 59482, "name": "BTS League Dan2", "director": { "id": 748535, "username": "BTS0226", "country": "kr", "icon": "https://secure.gravatar.com/avatar/bbe5057b28d2d30c04ed08fd3303e642?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2062.3078183294097, "deviation": 201.36742357517417, "volatility": 0.06000582088457206 } }, "ranking": 31.67342886337411, "professional": false, "ui_class": "provisional" }, "description": "BTS League Dan2", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 56, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 2400, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4889, "name": "BTS Online League", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 28, "icon": "https://user-uploads.online-go.com/5a7332d2f57995981a77a1282a4f60fb-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-23T03:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-23T02:43:07.843609Z", "ended": "2020-04-23T03:43:39.466238Z", "start_waiting": "2020-04-23T02:43:07.306835Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5a7332d2f57995981a77a1282a4f60fb-15.png", "player_count": 4, "ranked": true }, { "id": 21157, "name": "Taiwanese", "director": { "id": 348886, "username": "nicodaisuki", "country": "tw", "icon": "https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png", "ratings": { "version": 5, "overall": { "rating": 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Please take great care, thank you!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 180, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png" }, "auto_start_on_max": false, "time_start": "2016-12-01T17:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 18, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-12-01T17:00:57.349791Z", "ended": "2020-04-23T03:03:03.726586Z", "start_waiting": "2016-12-01T17:00:56.693827Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png", "player_count": 8, "ranked": true }, { "id": 38265, "name": "Correspondence Weekly McMahon 19x19 2018-06-23 17:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"2020-04-23T01:30:41.676941Z", "ended": "2020-04-23T02:14:37.354700Z", "start_waiting": "2020-04-23T01:30:40.518786Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 11, "ranked": true } ] }
