Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5868
{ "count": 58835, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5869", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5867", "results": [ { "id": 59215, "name": "Bad People 9", "director": { "id": 748237, "username": "PAPA LOUIE", "country": "us", "icon": "https://user-uploads.online-go.com/5ca63bebc1e9733a922cf80a18e54a3a-64.png", "ratings": { "version": 5, "overall": { "rating": 547.3072455519224, "deviation": 78.58011345147807, "volatility": 0.059984484173782465 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "please join", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 131040, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 129600, "initial_time": 129600, "max_time": 345600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5310, "name": "24 and 25k group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/f5f3b05fe766ea36e99f24c9791f3725-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-17T22:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 6, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-17T23:17:01.242881Z", "ended": "2020-05-25T20:45:45.626115Z", "start_waiting": "2020-04-17T23:17:00.856285Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/f5f3b05fe766ea36e99f24c9791f3725-15.png", "player_count": 4, "ranked": true }, { "id": 58186, "name": "24-25ks Tournament", "director": { "id": 731399, "username": "Cool Person", "country": "us", "icon": "https://user-uploads.online-go.com/d4d690ca415d15d2331919c86a651956-64.png", "ratings": { "version": 5, "overall": { "rating": 623.7169842830638, "deviation": 72.85794169420086, "volatility": 0.05988984500873753 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "This is a tournament for 25 and 24ks and provisional players.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 88320, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 172800, "max_time": 432000 }, "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": 17826, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-31T19:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 6, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-31T19:00:09.154294Z", "ended": "2020-06-13T14:39:51.734186Z", "start_waiting": "2020-03-31T19:00:08.451945Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 7, "ranked": true }, { "id": 1920, "name": "Amane's IGo Marathon 22", "director": { "id": 7425, "username": "masutami", "country": "sg", "icon": "https://secure.gravatar.com/avatar/966aad8981dcc75b5b8ab04427a833b2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1464.8658156740034, "deviation": 64.25957956452444, "volatility": 0.05979175956401998 } }, "ranking": 23.75469330835485, "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": 604800, "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": 383, "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": 0, "max_ranking": 6, "analysis_enabled": false, "exclusivity": "open", "started": "2013-02-22T18:50:13Z", "ended": "2013-02-22T17:50:13Z", "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": 1885, "name": "jwnoonan's mini-tournament", "director": { "id": 44124, "username": "jwnoonan", "country": "us", "icon": "https://secure.gravatar.com/avatar/29c7ae2da9743121aef878d9cce49bdf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1207.091731634171, "deviation": 64.51194755807354, "volatility": 0.05998711540784433 } }, "ranking": 19.27401761554196, "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": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "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": 383, "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": 0, "max_ranking": 6, "analysis_enabled": false, "exclusivity": "open", "started": "2012-06-21T00:35:59Z", "ended": "2012-06-20T22:35:59Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 130102, "name": "参加条件:仅限成员", "director": { "id": 1569784, "username": "1213456789lkjh", "country": "cn", "icon": "https://secure.gravatar.com/avatar/9ace486d650a01ecd9da27a2cd4a059b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 736.9995434729591, "deviation": 61.38914328321541, "volatility": 0.060106027679138134 } }, "ranking": 7.852225585154122, "professional": false, "ui_class": "" }, "description": "无 \n九中", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 6, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 5, "initial_time": 30, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15479, "name": "林", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": true, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-07-03T11:00:00Z", "players_start": 0, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 6, "analysis_enabled": true, "exclusivity": "group", "started": "2025-07-03T11:00:30.154985Z", "ended": "2025-07-03T11:00:30.130379Z", "start_waiting": "2025-07-03T11:00:30.067303Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 1, "ranked": true }, { "id": 1969, "name": "Hikyu 19x19 session", "director": { "id": 28241, "username": "Ketsa", "country": "ch", "icon": "https://secure.gravatar.com/avatar/34910a9302d2553410bae7f1a22338b1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1389.1367365319793, "deviation": 69.12719601453918, "volatility": 0.060027281550323434 } }, "ranking": 22.52586483580168, "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": 432000, "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": 383, "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": 0, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2012-12-07T08:13:56Z", "ended": "2012-12-07T07:13:56Z", "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": 1632, "name": "Jeff's mini-tournament", "director": { "id": 11332, "username": "JeffW1961", "country": "un", "icon": "https://user-uploads.online-go.com/715660e5da865a6caec438f45b32d596-64.png", "ratings": { "version": 5, "overall": { "rating": 511.17374945533516, "deviation": 71.56445874057235, "volatility": 0.05989324002930899 } }, "ranking": 5, "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": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "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": 383, "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": 0, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2012-03-05T03:13:15Z", "ended": "2012-03-05T02:13:15Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 58965, "name": "hbhbhbhbhbhbhbhhb", "director": { "id": 748237, "username": "PAPA LOUIE", "country": "us", "icon": "https://user-uploads.online-go.com/5ca63bebc1e9733a922cf80a18e54a3a-64.png", "ratings": { "version": 5, "overall": { "rating": 547.3072455519224, "deviation": 78.58011345147807, "volatility": 0.059984484173782465 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "hhhhbhbhbhbhhbhbhhhh", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "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": 4965, "name": "Cool people!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-13T21:00:00Z", "players_start": 0, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 5, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-04-13T21:00:32.449048Z", "ended": "2020-04-13T21:32:44.149681Z", "start_waiting": "2020-04-13T21:00:32.329718Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 1, "ranked": true }, { "id": 492, "name": "goperson's beginners tournament", "director": { "id": 19683, "username": "goperson", "country": "un", "icon": "https://secure.gravatar.com/avatar/09a3abc554ae8f39bb7316fa87b59919?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1171.4402674320318, "deviation": 75.79030528567365, "volatility": 0.05997663600026165 } }, "ranking": 18.57998178771383, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "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": 383, "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": 0, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2008-07-20T04:17:05Z", "ended": "2008-07-20T02:17:05Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 1783, "name": "Very Mini Tournament 3rd Cycle", "director": { "id": 42360, "username": "Henrib736", "country": "us", "icon": "https://user-uploads.online-go.com/cfd31e74c2d9b1ad2b6d571ecc820cf6-64.png", "ratings": { "version": 5, "overall": { "rating": 1345.0585409259156, "deviation": 64.53637528197693, "volatility": 0.06005390268858446 } }, "ranking": 21.7793939100321, "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": "simple", "per_move": 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": 383, "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": 0, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2012-03-21T01:15:04Z", "ended": "2012-03-21T00:15:04Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }