Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5805
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5806", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5804", "results": [ { "id": 85442, "name": "SS 19×19 - NY2", "director": { "id": 743533, "username": "ss76", "country": "ru", "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 865.69965614538, "deviation": 63.39878919317945, "volatility": 0.06003400172803372 } }, "ranking": 11.578235639193064, "professional": false, "ui_class": "" }, "description": "play go", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 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": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-01T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-01T09:00:06.513366Z", "ended": "2022-04-21T19:06:30.323286Z", "start_waiting": "2022-02-01T09:00:06.064151Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 8, "ranked": true }, { "id": 99294, "name": "2023.02 GO 19X19 tournament #2 16K～12K", "director": { "id": 1161013, "username": "朵兒普拉斯-doorplus-", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png", "ratings": { "version": 5, "overall": { "rating": 1151.0937500744108, "deviation": 63.06821920011851, "volatility": 0.05991569077389414 } }, "ranking": 18.174361096243295, "professional": false, "ui_class": "" }, "description": "Welcome and have fun ：）\n \n \nPauses are not allowed. \nPauses are not allowed. \nPauses are not allowed.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 58968, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 57600, "initial_time": 172800, "max_time": 518400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8304, "name": "club hikaru no go", "summary": "welcome all fan of Hikaru no go and on piece", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 115, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png" }, "auto_start_on_max": false, "time_start": "2023-01-31T16:09:00Z", "players_start": 12, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 14, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-31T16:09:10.145754Z", "ended": "2024-01-25T01:44:39.075230Z", "start_waiting": "2023-01-31T16:09:08.824416Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png", "player_count": 22, "ranked": true }, { "id": 90129, "name": "Akwa 14", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 789.792021382491, "deviation": 64.86396886901105, "volatility": 0.059924389565863295 } }, "ranking": 9.453797542761778, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3317, "name": "Akwa-chichirmala", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-05-20T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 14, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-17T16:22:56.979747Z", "ended": "2022-10-18T18:52:52.450198Z", "start_waiting": "2022-05-17T16:22:56.411648Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 103776, "name": "Kranj 25", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 789.792021382491, "deviation": 64.86396886901105, "volatility": 0.059924389565863295 } }, "ranking": 9.453797542761778, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 374, "name": "Slovenija", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png" }, "auto_start_on_max": true, "time_start": "2023-05-30T16:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 12, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2023-05-30T16:00:58.777744Z", "ended": "2024-01-26T14:52:31.935732Z", "start_waiting": "2023-05-30T16:00:58.593363Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 12, "ranked": true }, { "id": 73162, "name": "Just for fun", "director": { "id": 635649, "username": "Kinsetsu", "country": "gb", "icon": "https://user-uploads.online-go.com/0b77bbe495d5bb9305a966f363acdf71-64.png", "ratings": { "version": 5, "overall": { "rating": 636.067546201368, "deviation": 68.29021479174683, "volatility": 0.05997814582336807 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Just for fun", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 177, "name": "GO Beginners", "summary": "For alle GO beginners of the world. We play tournaments with rating limit.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 258, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-04-07T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-07T09:00:17.690965Z", "ended": "2021-05-18T16:25:52.898967Z", "start_waiting": "2021-04-07T09:00:15.518401Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 704, "name": "arienn's mini-tournament", "director": { "id": 13174, "username": "arienn", "country": "cz", "icon": "https://secure.gravatar.com/avatar/06ab3a90d0fac9f8ebc870e7790285d8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1656.9905927746795, "deviation": 63.54317907072526, "volatility": 0.059960163120776795 } }, "ranking": 26.607685795409914, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 864000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 13, "max_ranking": 18, "analysis_enabled": false, "exclusivity": "open", "started": "2009-05-25T00:25:12Z", "ended": "2009-05-24T22:25:12Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 93971, "name": "Praha 18", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 789.792021382491, "deviation": 64.86396886901105, "volatility": 0.059924389565863295 } }, "ranking": 9.453797542761778, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 31, "name": "Český pokoj", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 50, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-08-28T15:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2022-08-28T10:44:25.748220Z", "ended": "2023-08-02T19:47:55.824059Z", "start_waiting": "2022-08-28T10:44:25.542147Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 61464, "name": "harry harry", "director": { "id": 654168, "username": "Melovy", "country": "sg", "icon": "https://user-uploads.online-go.com/c279d2a10883516ad8f855553763576f-64.png", "ratings": { "version": 5, "overall": { "rating": 1604.2274745860072, "deviation": 107.58418581163765, "volatility": 0.05976481318080775 } }, "ranking": 25.858534555554265, "professional": false, "ui_class": "" }, "description": "i like to read harry potter", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "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": 5690, "name": "funny group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-06-04T00:40:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2020-06-04T00:46:55.768099Z", "ended": "2020-07-17T20:21:08.405876Z", "start_waiting": "2020-06-04T00:46:55.334291Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 141439, "name": "PRIMUS INTER PARES NO. 14 (12 kyu only)", "director": { "id": 1218730, "username": "Petru Dumitriu", "country": "ro", "icon": "https://user-uploads.online-go.com/c234bf3d6aabfd36a9d9dd48123a71e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1169.8176611414244, "deviation": 62.248112600468204, "volatility": 0.05976311966996566 } }, "ranking": 18.54789361734761, "professional": false, "ui_class": "" }, "description": "You are kindly invited to a new special tournament open exclusively to 12 kyu players.\n\nIt will be a real eye opener for players of our modest level.\n\nNo more frustration to lose always to players much higher in ranks, without understanding why and without learning much.\n\nNo more boredom to win against players much lower in ranks, without satisfaction and without learning anything.\n\nYou will enjoy tense and exciting games, open to any results, with satisfaction for achievements and learning from your mistakes.\n\nCaveat: out of respect for the other players, please, do not join the tournament if you plan to take vacation, without playing. One of the past attractions of Primus Inter Pares tournaments was that they have a decent and predictable duration.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 655, "name": "Romania", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 31, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-06-25T07:00:00Z", "players_start": 9, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2026-06-21T13:47:03.182283Z", "ended": null, "start_waiting": "2026-06-21T13:47:02.899183Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 131017, "name": "Beginners' tournament", "director": { "id": 1820569, "username": "VarnCc", "country": "de", "icon": "https://user-uploads.online-go.com/e5cd9399f6684ab9ec28b17fb3d4d664-64.png", "ratings": { "version": 5, "overall": { "rating": 917.1583741536809, "deviation": 65.15682942735414, "volatility": 0.05996181489255409 } }, "ranking": 12.914966071884292, "professional": false, "ui_class": "" }, "description": "A tournament for everyone who is new and wants to practice.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 89135, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 345600, "max_time": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8910, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2025-08-11T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": false, "exclusivity": "open", "started": "2025-08-11T13:00:53.441728Z", "ended": null, "start_waiting": "2025-08-11T13:00:53.172851Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 16, "ranked": true } ] }
