Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5192
{ "count": 60157, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5193", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5191", "results": [ { "id": 88958, "name": "星瑋vs智銳", "director": { "id": 1125975, "username": "東東1234", "country": "un", "icon": "https://secure.gravatar.com/avatar/7073c3c0c19e1e2362786d7d3cacee04?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1636.613123803098, "deviation": 92.9778953940374, "volatility": 0.06000761280908969 } }, "ranking": 26.321224844663433, "professional": false, "ui_class": "" }, "description": "1111111111111111", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 100, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 3600, "period_time": 60, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11450, "name": "黎老師群組", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 39, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-04-21T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-21T02:55:24.435207Z", "ended": "2022-04-21T03:07:02.901277Z", "start_waiting": "2022-04-21T02:55:24.398349Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 129459, "name": "9x9 Open D.E. Cup #186", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.0959462703095, "deviation": 69.99372712007725, "volatility": 0.06023788322736291 } }, "ranking": 21.41576262051663, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 711, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-22T19:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-20T15:08:19.381876Z", "ended": "2025-12-29T19:21:50.149699Z", "start_waiting": "2025-06-20T15:08:19.276906Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 80396, "name": "hohoohhohooh", "director": { "id": 925993, "username": "asiaone0608", "country": "un", "icon": "https://secure.gravatar.com/avatar/996bbffd64e3779930a6f0eff70ca373?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "hihhiihihi", "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": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18036, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2021-09-21T23:39:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-22T14:45:42.044602Z", "ended": "2021-12-20T10:53:24.460391Z", "start_waiting": "2021-09-22T14:45:41.910459Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 121373, "name": "Good tournament 2024", "director": { "id": 1265911, "username": "WillZ", "country": "ca", "icon": "https://user-uploads.online-go.com/57b72eb841ee2184293939760d71a983-64.png", "ratings": { "version": 5, "overall": { "rating": 1647.4912107018076, "deviation": 67.6728804343012, "volatility": 0.059934250425532735 } }, "ranking": 26.4745869836504, "professional": false, "ui_class": "" }, "description": "Good luck!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 88451, "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": 14722, "name": "Good group", "summary": "Thank you for joining!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/3510eecc06dece7ad700c651dcf778f3-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-06T00:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-06T00:00:35.550680Z", "ended": "2025-08-24T21:02:26.836459Z", "start_waiting": "2024-11-06T00:00:35.241000Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3510eecc06dece7ad700c651dcf778f3-15.png", "player_count": 14, "ranked": true }, { "id": 105876, "name": "1 -> 郭在田 2 -> 楊興宇", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "1 -> 郭在田\n2 -> 楊興宇", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1500, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-07-29T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-07-29T08:46:12.815279Z", "ended": "2023-07-29T09:33:04.253393Z", "start_waiting": "2023-07-29T08:46:12.770477Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 67076, "name": "THE OFFICIAL TOURNAMENT", "director": { "id": 835159, "username": "Pulak Agarwalla", "country": "un", "icon": "https://secure.gravatar.com/avatar/ba95358353c033361d431a98a6d3852d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1121.4535995352353, "deviation": 78.74735541402917, "volatility": 0.06001749987382639 } }, "ranking": 17.570449897100133, "professional": false, "ui_class": "" }, "description": "HELLO", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 120 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6721, "name": "Mr. Erb's Math Class", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 19, "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-26T13:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-26T13:30:44.593166Z", "ended": "2020-10-26T14:14:03.465928Z", "start_waiting": "2020-10-26T13:30:44.201144Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-15.png", "player_count": 9, "ranked": true }, { "id": 67011, "name": "Weekly 9x9", "director": { "id": 818369, "username": "deleted-02279e69-efe6-4da6-94a9-3782bbb65eb5", "country": "un", "icon": "https://user-uploads.online-go.com/2b3a681b48d743df2cca63be7186d96c-64.png", "ratings": { "version": 5, "overall": { "rating": 1495.0613630632597, "deviation": 71.01591139116258, "volatility": 0.06001035702325122 } }, "ranking": 24.227036802303612, "professional": false, "ui_class": "" }, "description": "BeginnerGo Tournament!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6269, "name": "BeginnerGo", "summary": "Beginners welcome!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 238, "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-24T19:10:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-24T19:10:56.009027Z", "ended": "2020-10-24T20:08:39.838095Z", "start_waiting": "2020-10-24T19:10:55.750596Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-15.png", "player_count": 6, "ranked": true }, { "id": 84873, "name": "15/1 1 -> 張諾希\t2 -> 謝汶熹", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "15/1 1 -> 張諾希\t2 -> 謝汶熹", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 10, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-01-15T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-01-15T05:08:48.006066Z", "ended": "2022-01-15T05:36:14.036147Z", "start_waiting": "2022-01-15T05:08:47.954182Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 130692, "name": "9x9 Open League #123", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.0959462703095, "deviation": 69.99372712007725, "volatility": 0.06023788322736291 } }, "ranking": 21.41576262051663, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 711, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-08-03T19:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-03T06:35:40.465886Z", "ended": "2025-09-13T02:11:08.425575Z", "start_waiting": "2025-08-03T06:35:39.846064Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 104344, "name": "YVTftcu", "director": { "id": 1220016, "username": "BBQ Cat", "country": "hk", "icon": "https://user-uploads.online-go.com/f22b65ed3d05e5784b0f5f98e58f423d-64.png", "ratings": { "version": 5, "overall": { "rating": 623.0215846887106, "deviation": 75.82322598904152, "volatility": 0.06004543225135932 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "UCTRNo utrccrtcr", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 13165, "name": "sus 🍮🧋", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-06-15T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-23T12:07:55.487153Z", "ended": "2024-12-31T08:01:11.530668Z", "start_waiting": "2024-12-23T12:07:55.417345Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }