Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5788
{ "count": 60787, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5789", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5787", "results": [ { "id": 14936, "name": "Ukrainian Valentine`s Day", "director": { "id": 227577, "username": "gojia", "country": "cn", "icon": "https://secure.gravatar.com/avatar/0828bcbc274195098295249d4a05cd1d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1372.8751427860834, "deviation": 64.16762765777764, "volatility": 0.06003213302585573 } }, "ranking": 22.253266265235233, "professional": false, "ui_class": "" }, "description": "Make your evening happy", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 123, "time_control_parameters": { "time_control": "byoyomi", "period_time": 120, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 82, "name": "Харьковский городской го клуб \" 50-я параллель\"", "summary": "Клуб любителей игры го (бадук, вейчи) в Харькове", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 44, "icon": "https://user-uploads.online-go.com/a2f069169daa39b6f27e0dcaa48e515b-64.png" }, "auto_start_on_max": true, "time_start": "2016-02-14T16:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2016-02-14T16:00:51.942408Z", "ended": "2016-02-14T17:25:18.606983Z", "start_waiting": "2016-02-14T16:00:51.820873Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a2f069169daa39b6f27e0dcaa48e515b-15.png", "player_count": 4, "ranked": true }, { "id": 82617, "name": "YOla #2 13x13", "director": { "id": 1031007, "username": "Yusnail", "country": "ru", "icon": "https://user-uploads.online-go.com/2688b31bfbbad10ee860fd82c8fbcb37-64.png", "ratings": { "version": 5, "overall": { "rating": 980.9243127295128, "deviation": 69.90563792018483, "volatility": 0.05997554630407915 } }, "ranking": 14.470996494898612, "professional": false, "ui_class": "" }, "description": "Турнир для игры между участниками группы Йошкар-Ола для совместных игр и их разборов :)", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "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": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9933, "name": "Йошкар-Ола", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 26, "icon": "https://user-uploads.online-go.com/a546d95660d9b568663a54fd2e5522b5-64.png" }, "auto_start_on_max": false, "time_start": "2021-11-22T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2021-11-22T15:00:25.095110Z", "ended": "2022-01-08T13:42:32.412464Z", "start_waiting": "2021-11-22T15:00:24.952635Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/a546d95660d9b568663a54fd2e5522b5-15.png", "player_count": 6, "ranked": true }, { "id": 9911, "name": "Fast DDK Double Elimination Tournament", "director": { "id": 444, "username": "calantir", "country": "us", "icon": "https://user-uploads.online-go.com/1ca918deb36ad77b1a43a9c36821e67e-64.png", "ratings": { "version": 5, "overall": { "rating": 1642.4248977989541, "deviation": 64.22402737676741, "volatility": 0.06008664057283799 } }, "ranking": 26.403287149523827, "professional": false, "ui_class": "" }, "description": "A double elimination tournament for DDKs with 10 days absolute time.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 9600, "time_control_parameters": { "total_time": 864000, "time_control": "absolute" }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 831, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2015-09-01T18:54:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 10, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-28T13:27:07.933376Z", "ended": "2016-03-03T21:57:24.841858Z", "start_waiting": "2015-08-28T13:27:07.748996Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 126690, "name": "9x9 Mini League 10k-25k #288", "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 25kyu and 10kyu. 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": "2025-03-30T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-29T09:08:36.396174Z", "ended": "2025-04-24T05:06:27.694736Z", "start_waiting": "2025-03-29T09:08:36.265637Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 78251, "name": "Friendly 9×9 - 5", "director": { "id": 743533, "username": "ss76", "country": "ru", "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 904.8522758648517, "deviation": 60.46966757981411, "volatility": 0.060013620259526126 } }, "ranking": 12.602245059514638, "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": 18119, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-31T17:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-31T20:53:05.614503Z", "ended": "2021-08-06T07:22:41.580080Z", "start_waiting": "2021-07-31T20:53:05.493062Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 3, "ranked": true }, { "id": 63305, "name": "DDK teaching tournament", "director": { "id": 502237, "username": "bagelfan", "country": "th", "icon": "https://user-uploads.online-go.com/f942945e37fe5209ec40fde32c8b257d-64.png", "ratings": { "version": 5, "overall": { "rating": 2172.7291670856425, "deviation": 68.35081776677339, "volatility": 0.06012718193379842 } }, "ranking": 32.880895872583366, "professional": false, "ui_class": "" }, "description": "If you want to get your tournament game reviewed, please message me!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 865, "name": "OGS Teaching Ladder", "summary": "Teach the weaker, learn from the stronger", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 665, "icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-31T13:00:00Z", "players_start": 20, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-31T13:00:50.713868Z", "ended": "2021-07-26T04:29:02.261707Z", "start_waiting": "2020-07-31T13:00:48.557699Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-15.png", "player_count": 35, "ranked": true }, { "id": 78146, "name": "25k-10k Tournament Round Robin", "director": { "id": 1012312, "username": "charlie11", "country": "jp", "icon": "https://secure.gravatar.com/avatar/2dcdff4966c0103300ce0d6fbf4e22e8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1161.564727199071, "deviation": 67.2959124451604, "volatility": 0.06009585569543345 } }, "ranking": 18.38399410453256, "professional": false, "ui_class": "" }, "description": "No words...", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9514, "name": "25k-10k (Double Digets Please)", "summary": "As long as your Double Digits or near Double Digits your welcome to join.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 57, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-31T16:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-31T16:00:53.716559Z", "ended": "2021-08-20T17:15:04.632237Z", "start_waiting": "2021-07-31T16:00:53.402778Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 76802, "name": "For fun", "director": { "id": 1001720, "username": "weiqiri", "country": "un", "icon": "https://secure.gravatar.com/avatar/24e8e39be5602e90d0c6fd0c9181e7f0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 607.1670464620951, "deviation": 80.55883295872195, "volatility": 0.0599940515919153 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "sunday funday", "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": 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": 8957, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2021-06-27T14:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2021-06-29T07:56:17.365008Z", "ended": "2021-07-27T10:53:58.559584Z", "start_waiting": "2021-06-29T07:56:17.268413Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 4, "ranked": true }, { "id": 77896, "name": "25k-10k 19x19 Tournament", "director": { "id": 1012312, "username": "charlie11", "country": "jp", "icon": "https://secure.gravatar.com/avatar/2dcdff4966c0103300ce0d6fbf4e22e8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1161.564727199071, "deviation": 67.2959124451604, "volatility": 0.06009585569543345 } }, "ranking": 18.38399410453256, "professional": false, "ui_class": "" }, "description": "...No Words...", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 864000, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 864000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9514, "name": "25k-10k (Double Digets Please)", "summary": "As long as your Double Digits or near Double Digits your welcome to join.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 57, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-07-26T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-24T19:56:18.555518Z", "ended": "2022-12-16T02:26:25.296579Z", "start_waiting": "2021-07-24T19:56:17.301624Z", "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": 9185, "name": "Contest of the Century", "director": { "id": 101306, "username": "Scaevola", "country": "tw", "icon": "https://user-uploads.online-go.com/cb01a2ff923b1fcaa1339dd864ddad00-64.png", "ratings": { "version": 5, "overall": { "rating": 1338.4819504731647, "deviation": 66.40420533921888, "volatility": 0.05995952138661418 } }, "ranking": 21.665925621201833, "professional": false, "ui_class": "" }, "description": "This is the big one", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 537, "name": "Race to SDK!", "summary": "A place for rivals to get stronger together", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 61, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2015-07-25T08:08:00Z", "players_start": 10, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2015-07-25T08:08:49.023823Z", "ended": "2016-03-17T10:55:42.268267Z", "start_waiting": "2015-07-25T08:08:48.530057Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true } ] }
