Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5598
{ "count": 60787, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5599", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5597", "results": [ { "id": 1718, "name": "leu's mini-tournament", "director": { "id": 7144, "username": "leu", "country": "zz", "icon": "https://secure.gravatar.com/avatar/380a2d63cef1d5d702278e2b561e2e51?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2055.17107734525, "deviation": 63.33302914005745, "volatility": 0.05998171192227652 } }, "ranking": 31.593177950900873, "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": 1209600, "max_time": 1209600, "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": 386, "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": 22, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2012-10-15T13:58:22Z", "ended": "2012-10-15T11:58:22Z", "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": 48710, "name": "190524练习赛(初级组)", "director": { "id": 619634, "username": "TheOGSnoob", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/a75075d258d505870dbc4cd63dc058b1-64.png", "ratings": { "version": 5, "overall": { "rating": 2146.0169966722465, "deviation": 79.44705415198482, "volatility": 0.059989259763153176 } }, "ranking": 32.59451894394109, "professional": false, "ui_class": "" }, "description": "练习赛\n\n如无特殊情况参加者不能用假期功能停止计时，大家要多运用预设条件下子功能。\n\n\n另外若新比赛开始时，老比赛没有完成任何一局的成员，需要先至少完成一场老比赛才能报名新比赛", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 86400, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3435, "name": "高川格fans", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 24, "icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-64.png" }, "auto_start_on_max": false, "time_start": "2019-05-24T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "group", "started": "2019-05-24T12:18:10.147436Z", "ended": "2019-06-15T09:02:18.541154Z", "start_waiting": "2019-05-24T12:18:09.784854Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-15.png", "player_count": 3, "ranked": true }, { "id": 110475, "name": "Come and join now", "director": { "id": 1153935, "username": "小哥大六", "country": "tw", "icon": "https://user-uploads.online-go.com/5bd455843b1989cd512f941edc21ba73-64.png", "ratings": { "version": 5, "overall": { "rating": 1273.82295552216, "deviation": 66.1037649149063, "volatility": 0.060184994598808536 } }, "ranking": 20.51968765840973, "professional": false, "ui_class": "" }, "description": "Anyone who is interested, come quickly", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 27935, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 25200, "initial_time": 345600, "max_time": 518400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13640, "name": "Come and join us now", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/1c1f6034df0902017f8f7576ffd2a880-64.png" }, "auto_start_on_max": true, "time_start": "2023-12-31T14:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-15T09:57:43.622123Z", "ended": "2024-02-01T06:14:20.665121Z", "start_waiting": "2023-12-15T09:57:42.930066Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1c1f6034df0902017f8f7576ffd2a880-15.png", "player_count": 10, "ranked": true }, { "id": 2001, "name": "Let's play!", "director": { "id": 41015, "username": "nomadfarmer", "country": "us", "icon": "https://secure.gravatar.com/avatar/c566ab286b8cf697a3bd7cd2afea89d6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1929.5523955071098, "deviation": 72.13321514395165, "volatility": 0.06007468195886125 } }, "ranking": 30.13308343956734, "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": 386, "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": 17, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2013-04-15T21:56:56Z", "ended": "2013-04-15T19:56:56Z", "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": 142045, "name": "9x9 Swiss - 2min 1sec increment", "director": { "id": 1907081, "username": "flyingpenguin.", "country": "us", "icon": "https://user-uploads.online-go.com/a0b0615709f1588b884791dad17af978-64.png", "ratings": { "version": 5, "overall": { "rating": 651.2157746975336, "deviation": 62.97030970268543, "volatility": 0.059950918902653944 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "have fun!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 5, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 1, "initial_time": 120, "max_time": 150 }, "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": 18119, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-18T18:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2026-07-18T18:00:48.729222Z", "ended": "2026-07-18T18:15:29.736608Z", "start_waiting": "2026-07-18T18:00:48.657437Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 5, "ranked": true }, { "id": 139866, "name": "13x13 Mini League 5k-15k #41", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-05-08T10:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2026-05-07T20:04:29.953787Z", "ended": "2026-08-22T11:54:53.009404Z", "start_waiting": "2026-05-07T20:04:29.843669Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 112956, "name": "9x9 Mini League 5k-15k #69", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 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": true, "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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-02-25T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-22T19:19:45.960396Z", "ended": "2024-04-20T01:28:49.127929Z", "start_waiting": "2024-02-22T19:19:45.779253Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 136231, "name": "13x13 Mini League 5k-15k #28", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-01-23T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-20T20:25:40.729620Z", "ended": "2026-02-27T18:39:55.041987Z", "start_waiting": "2026-01-20T20:25:40.517594Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 139139, "name": "13x13 Mini League 5k-15k #40", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-04-17T11:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2026-04-15T02:47:09.416731Z", "ended": null, "start_waiting": "2026-04-15T02:47:09.063630Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 98193, "name": "9x9form", "director": { "id": 1215371, "username": "Ashy Mashy", "country": "th", "icon": "https://user-uploads.online-go.com/f0c29e5bcdb7331c7414a06f6ca1e501-64.png", "ratings": { "version": 5, "overall": { "rating": 1209.3643114801016, "deviation": 61.30909025128616, "volatility": 0.059982715870546106 } }, "ranking": 19.317560918631496, "professional": false, "ui_class": "" }, "description": "Foreve", "schedule": null, "title": null, "tournament_type": "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": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3015, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2022-12-24T08:12:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2022-12-24T08:12:15.330156Z", "ended": "2022-12-24T08:14:47.919534Z", "start_waiting": "2022-12-24T08:12:15.258480Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true } ] }
