Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1010
{ "count": 59552, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1011", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1009", "results": [ { "id": 36490, "name": "Es wäre Kaffee Hag gewesen", "director": { "id": 522816, "username": "RufusGoldstreiff", "country": "un", "icon": "https://secure.gravatar.com/avatar/4ff1a2b835bdb6c41c4679349208dc90?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1153.4641900213853, "deviation": 64.81230610804766, "volatility": 0.06007891407607496 } }, "ranking": 18.221984723465166, "professional": false, "ui_class": "" }, "description": "Turnierchen", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2321, "name": "Schulis Beginner Tournaments", "summary": "A group of brothers playing each other, but hosting public tournaments as well. 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"10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-05-05T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-03-13T01:00:44.962179Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-03-13T01:01:10.698758Z", "ended": "2018-04-19T01:53:19.196104Z", "start_waiting": "2018-03-13T01:01:08.333048Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 9864, "name": 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-05-06T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-08-12T01:00:06.412444Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-12T01:00:27.625151Z", "ended": "2015-11-11T18:45:55.551929Z", "start_waiting": "2015-08-12T01:00:26.735043Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 41540, "name": "หลังค่าย 1 วัน... เจอกันปีหน้า... อิอิ...", "director": { "id": 517691, "username": "ละ... วาง...", "country": "un", "icon": "https://user-uploads.online-go.com/f5a30625635721a56149ec3ead0cf237-64.png", "ratings": { "version": 5, "overall": { "rating": 1570.2736645979464, "deviation": 64.15944399205745, "volatility": 0.06008600793774668 } }, "ranking": 25.36330041148589, "professional": false, "ui_class": "" }, "description": "ครบ 10 คนเมื่อไร... เริ่มได้เลยครับ...", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2328, "name": "BMA teacher's GO", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 24, "icon": "https://user-uploads.online-go.com/ffc96a0601dfdbe693b9733bdddc8d0d-64.png" }, "auto_start_on_max": true, "time_start": "2019-01-01T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2018-12-20T03:03:40.242321Z", "ended": "2019-03-02T14:44:35.517802Z", "start_waiting": "2018-12-20T03:03:37.595564Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ffc96a0601dfdbe693b9733bdddc8d0d-15.png", "player_count": 10, "ranked": true }, { "id": 14171, "name": "Correspondance low ranked tournament", "director": { "id": 203945, "username": "timuzhti", "country": "au", "icon": "https://user-uploads.online-go.com/447482e4d1fddb5ea71da68f3a8a67d7-64.png", "ratings": { "version": 5, "overall": { "rating": 2349.2257971057606, "deviation": 67.61151467333107, "volatility": 0.06014167970887988 } }, "ranking": 34.68895179754466, "professional": false, "ui_class": "supporter" }, "description": "Correspondence tournament for players weaker than 15 kyu", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 175680, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 691200, "time_increment": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 222, "name": "Low-Rating 30k's", "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 279, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png" }, "auto_start_on_max": true, "time_start": "2016-02-01T09:30:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-24T17:47:24.328056Z", "ended": "2018-12-10T15:50:02.312383Z", "start_waiting": "2016-01-24T17:47:23.887257Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png", "player_count": 30, "ranked": true }, { "id": 4854, "name": "SDK correspondence round robin", "director": { "id": 81160, "username": "requesteddeletion", "country": "gb", "icon": "https://secure.gravatar.com/avatar/6a0ba661a871cc50a0e439bb719d8a9a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2034.1125538623223, "deviation": 64.24217425304717, "volatility": 0.06011805754974733 } }, "ranking": 31.354745417437115, "professional": false, "ui_class": "" }, "description": "A round robin tournament for single digit kyus. All welcome! Time is 3d + 1d per move", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 20, "name": "Single Digit Kyu Room", "summary": "A room for SDK's \r\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 759, "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png" }, "auto_start_on_max": false, "time_start": "2015-02-07T16:45:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-09T00:00:43.282323Z", "ended": "2015-03-26T00:00:30.805505Z", "start_waiting": "2015-02-09T00:00:43.070344Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png", "player_count": 4, "ranked": true }, { "id": 37256, "name": "우리들만의 리그 1회", "director": { "id": 456986, "username": "powerwill", "country": "kr", "icon": "https://user-uploads.online-go.com/324426f6f8328f4a4f13a00d0381ce9c-64.png", "ratings": { "version": 5, "overall": { "rating": 2017.4997486619338, "deviation": 64.28298687164519, "volatility": 0.05990249050987459 } }, "ranking": 31.164900700336645, "professional": false, "ui_class": "" }, "description": "효원기우회 OB만의 리그를 만들었습니다.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 172800, "max_time": 172800, "time_increment": 43200, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2147, "name": "효원기우회OB", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-05-16T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-05-16T08:00:32.559087Z", "ended": "2018-08-31T04:22:16.081493Z", "start_waiting": "2018-05-16T08:00:25.552104Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 40261, "name": "Correspondence 9x9 RoundRobin 2018-08-25 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260502T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-02T19:00:48.900527Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": 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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": 8878, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2018-05-07T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-11T08:35:56.139682Z", "ended": "2018-05-11T08:36:38.455820Z", "start_waiting": "2018-05-11T08:35:55.861614Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 2, "ranked": true }, { "id": 9734, "name": "first tournament", "director": { "id": 173064, "username": "mustafif0929", "country": "un", "icon": "https://secure.gravatar.com/avatar/af9f64c1925faa36eb778b57121c1420?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 953.5925007581612, "deviation": 221.24477679379453, "volatility": 0.06000887860987053 } }, "ranking": 13.816803625098816, "professional": false, "ui_class": "provisional" }, "description": "hi join tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 25440, "time_control_parameters": { "time_control": "fischer", "initial_time": 21600, "max_time": 28800, "time_increment": 25200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 721, "name": "go go go!!!!!!!!!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/5f29059c66d0775914623e62e9ab794c-64.png" }, "auto_start_on_max": false, "time_start": "2015-08-06T22:08:00Z", "players_start": null, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 29, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-06T22:08:42.717102Z", "ended": "2015-08-06T22:08:42.708904Z", "start_waiting": "2015-08-06T22:08:42.692201Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/5f29059c66d0775914623e62e9ab794c-15.png", "player_count": 0, "ranked": true } ] }