Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1034
{ "count": 59564, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1035", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1033", "results": [ { "id": 74714, "name": "Nooobs 2021", "director": { "id": 897911, "username": "DA NOOBBB", "country": "hk", "icon": "https://user-uploads.online-go.com/086971b8bc34557129e3d71e22f78026-64.png", "ratings": { "version": 5, "overall": { "rating": 1241.806425236919, "deviation": 62.007928196577325, "volatility": 0.05999569580191999 } }, "ranking": 19.93039362009397, "professional": false, "ui_class": "" }, "description": "Noobs", "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": 7838, "name": "DA NOOOOOOOOOOOOOOOOOOOOOBS", "summary": "PLACE FOR NOOBS", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 17, "icon": "https://user-uploads.online-go.com/c49863a98b06ea695cdd4c2ed9a4320d-64.png" }, "auto_start_on_max": true, "time_start": "2021-05-31T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-31T08:00:52.773478Z", "ended": "2022-07-08T16:01:56.072266Z", "start_waiting": "2021-05-31T08:00:52.346556Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c49863a98b06ea695cdd4c2ed9a4320d-15.png", "player_count": 24, "ranked": true }, { "id": 73472, "name": "Oza Treizes 2019 Title Match - Board 2", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2004.4188438214221, "deviation": 67.71437067217448, "volatility": 0.06015576961047741 } }, "ranking": 31.014313855840236, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nOza Treizes 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [Treizes Oza] x3</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>4th</td>\n\t<td style=\"color:cyan\">Oza</td>\n\t<td>Treizes</td>\n\t<td>2019</td>\n\t<td><a style=\"color:cyan\" href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [Treizes Oza]</a></td>\n\t<td><a href='https://online-go.com/player/589692/'>Utaha [1d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/32650295'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73472'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73473'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73474'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73475'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/43367'>Oza Treizes Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "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": 2976, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-07T07:55:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-04-07T07:55:11.480168Z", "ended": "2021-06-16T06:31:24.753008Z", "start_waiting": "2021-04-07T07:55:11.374222Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 134531, "name": "Handicap Arena 2025 - 094", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1068.9762099336783, "deviation": 63.998147628185826, "volatility": 0.060069593747285 } }, "ranking": 16.46100181369988, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 106, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-11-22T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-21T10:14:41.824203Z", "ended": "2026-02-04T12:03:54.526389Z", "start_waiting": "2025-11-21T10:14:41.700811Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 102044, "name": "9x9 Mini League 1k-9k #71", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1302.5634718234464, "deviation": 69.06809206244723, "volatility": 0.060209056214312356 } }, "ranking": 21.036202220240828, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-04-16T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-16T10:11:45.077910Z", "ended": "2023-05-21T00:51:23.231832Z", "start_waiting": "2023-04-16T10:11:44.945999Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 89515, "name": "Blitz 9x9", "director": { "id": 599102, "username": "🐬⚔️🐬 🍩🥂🕯️🌱", "country": "bs", "icon": "https://user-uploads.online-go.com/9f1b3b5e4e9ea8e9cad3ce3456addaf5-64.png", "ratings": { "version": 5, "overall": { "rating": 1646.7114093252521, "deviation": 65.53236576357357, "volatility": 0.06020281826982568 } }, "ranking": 26.463626879317594, "professional": false, "ui_class": "" }, "description": "Anyone is welcome happy blitzing", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 30, "period_time": 10, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10635, "name": "Blitz ⚡", "summary": "Welcome,\n\nBlitz style tourneys, please join if you like speedy Go!\n\n\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-04T02:02:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-04T02:02:24.662465Z", "ended": "2022-05-04T02:05:54.310151Z", "start_waiting": "2022-05-04T02:02:24.597913Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-15.png", "player_count": 2, "ranked": true }, { "id": 77377, "name": "Go basics", "director": { "id": 1004942, "username": "Taybuddyz", "country": "us", "icon": "https://secure.gravatar.com/avatar/b9464ad096ebc62e2a7ef87a9f39ebc6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 701.5807232241659, "deviation": 61.86619545966917, "volatility": 0.05996754285214079 } }, "ranking": 6.712057816086596, "professional": false, "ui_class": "" }, "description": "Do your best", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "korean", "time_per_move": 613440, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 604800, "initial_time": 777600, "max_time": 777600 }, "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": 17941, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-14T01:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-14T03:10:08.530766Z", "ended": "2021-08-07T04:14:55.813430Z", "start_waiting": "2021-07-14T03:10:08.310339Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 138899, "name": "Нужно больше играть партий", "director": { "id": 659128, "username": "Эльфия Ходжер", "country": "ru", "icon": "https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png", "ratings": { "version": 5, "overall": { "rating": 1128.3497122652661, "deviation": 70.20562175549698, "volatility": 0.060141874992419964 } }, "ranking": 17.71236942299548, "professional": false, "ui_class": "" }, "description": "Для участников клуба Никонико\nДавайте играть и разбирать ходы...", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": false, "group": { "id": 12847, "name": "Nikoniko ДЕТИ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 36, "icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-64.png" }, "auto_start_on_max": false, "time_start": "2026-04-04T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-04-04T07:00:17.884814Z", "ended": null, "start_waiting": "2026-04-04T07:00:16.491806Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-15.png", "player_count": 10, "ranked": false }, { "id": 7153, "name": "Friendly Tournament", "director": { "id": 150655, "username": "Keeko", "country": "un", "icon": "https://secure.gravatar.com/avatar/f2fb7636b5aeecf6c3482b7313c943b8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1065.1484958123629, "deviation": 115.54227593759992, "volatility": 0.05998594516048105 } }, "ranking": 16.37795917173181, "professional": false, "ui_class": "" }, "description": "A friendly elimination 19x19 tournament for the go basics group", "schedule": null, "title": null, "tournament_type": "elimination", "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": 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": 17941, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2015-05-04T07:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-05-11T06:55:45.011121Z", "ended": "2015-05-26T22:36:22.744444Z", "start_waiting": "2015-05-11T06:55:44.827848Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 46736, "name": "Namoss", "director": { "id": 606916, "username": "phijan1995", "country": "th", "icon": "https://user-uploads.online-go.com/831650b40a070e71885abb4405c68f7f-64.png", "ratings": { "version": 5, "overall": { "rating": 1468.4756348745552, "deviation": 62.96735945773628, "volatility": 0.05998969007220615 } }, "ranking": 23.811670893874226, "professional": false, "ui_class": "" }, "description": "No. No", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 3509, "name": "Misuki", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-03-21T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2019-03-22T06:19:40.154251Z", "ended": "2019-04-10T12:50:17.205561Z", "start_waiting": "2019-03-22T06:19:39.892737Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 101849, "name": "進階班第三次19路棋盤循環賽", "director": { "id": 920515, "username": "gosenseihk", "country": "un", "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1886.1807822444975, "deviation": 152.79691468189992, "volatility": 0.06000855493777404 } }, "ranking": 29.606790827330673, "professional": false, "ui_class": "" }, "description": "進階班第三次19路棋盤循環賽", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 19147, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10265, "name": "DCFWMS-WQ", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 31, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-04-04T07:53:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2023-04-04T07:49:12.734424Z", "ended": "2023-05-09T07:21:33.282151Z", "start_waiting": "2023-04-04T07:49:12.634948Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true } ] }
