Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=1458
{ "count": 59728, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=1459", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=1457", "results": [ { "id": 127776, "name": "Handicap Arena 2025 - 029", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1071.6255358394392, "deviation": 64.43078730427015, "volatility": 0.06006270425054694 } }, "ranking": 16.518305257607974, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 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": 107, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-27T15:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-25T19:04:00.291658Z", "ended": "2025-10-22T09:54:58.469631Z", "start_waiting": "2025-04-25T19:03:59.774765Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 57247, "name": "I Torneo de Go de Valladolid 2020", "director": { "id": 667584, "username": "dan5873", "country": "es", "icon": "https://secure.gravatar.com/avatar/61b2dbb906bf3bc2153e7c7e4be53522?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 212.7802630494898, "deviation": 73.11585424781286, "volatility": 0.05990808619945516 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "I Torneo de Go de Valladolid 2020", "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": false, "group": { "id": 2569, "name": "Valladolid", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/1daf1f14cc02d14d3cafd4d79a0757ae-64.png" }, "auto_start_on_max": true, "time_start": "2020-03-07T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-07T20:36:50.034540Z", "ended": "2020-04-05T20:05:05.693376Z", "start_waiting": "2020-03-07T20:36:48.747666Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1daf1f14cc02d14d3cafd4d79a0757ae-15.png", "player_count": 4, "ranked": true }, { "id": 55884, "name": "Slow Correspondence Handicap - 4 round McMahon", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1261.3507888911745, "deviation": 62.92066539095983, "volatility": 0.05956628589288525 } }, "ranking": 20.291906041819892, "professional": false, "ui_class": "supporter" }, "description": "Slow Correspondence Handicap - 4 round McMahon\n\nFischer 1.5 day increment with 21 days max.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 133440, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 129600, "initial_time": 345600, "max_time": 1814400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2284, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": false, "time_start": "2020-01-31T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-31T17:01:08.079230Z", "ended": "2023-04-04T15:25:23.228503Z", "start_waiting": "2020-01-31T17:00:47.808616Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 44, "ranked": true }, { "id": 101871, "name": "Aリーグ（2k+）", "director": { "id": 874208, "username": "FUKO.S", "country": "jp", "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png", "ratings": { "version": 5, "overall": { "rating": 2208.151542128061, "deviation": 68.94747429756583, "volatility": 0.06003767154281009 } }, "ranking": 33.25527075653788, "professional": false, "ui_class": "supporter" }, "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7692, "name": "Yushima Go Cafe （湯島囲碁喫茶）", "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png" }, "auto_start_on_max": false, "time_start": "2023-04-12T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 27, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-04-12T11:00:47.609146Z", "ended": "2023-05-09T19:24:08.365994Z", "start_waiting": "2023-04-12T11:00:47.489967Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png", "player_count": 5, "ranked": true }, { "id": 104634, "name": "바바바바바둑둑둑둑대회", "director": { "id": 1086916, "username": "이하겸", "country": "kr", "icon": "https://secure.gravatar.com/avatar/2605a61cc76266d10a57ec33655265b4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1388.9906160800865, "deviation": 64.69360007086335, "volatility": 0.060076229152040285 } }, "ranking": 22.523429606573437, "professional": false, "ui_class": "" }, "description": "ㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎㅎ", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11852, "name": "바둑바둑바둑바둑바둑바둑", "summary": "바둑바둑", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/6d14a2247c9faefc61b49c9c7a17949c-64.png" }, "auto_start_on_max": false, "time_start": "2023-07-10T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-10T21:00:46.800582Z", "ended": "2023-07-10T21:24:07.400676Z", "start_waiting": "2023-07-10T21:00:46.727386Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6d14a2247c9faefc61b49c9c7a17949c-15.png", "player_count": 5, "ranked": true }, { "id": 73622, "name": "Go Thailand 🇹🇭", "director": { "id": 750171, "username": "KHAE", "country": "th", "icon": "https://user-uploads.online-go.com/56d33c7e8e7ce67f73aa947fd300727b-64.png", "ratings": { "version": 5, "overall": { "rating": 1287.039113571418, "deviation": 62.03202260607443, "volatility": 0.06028614816374175 } }, "ranking": 20.758635924188564, "professional": false, "ui_class": "" }, "description": "Go\n Thailand 🇹🇭", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 0, "period_time": 20, "periods": 1 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6187, "name": "Go 🇹🇭 Thailand", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-04-08T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-08T09:13:16.444619Z", "ended": "2021-04-08T09:36:04.318031Z", "start_waiting": "2021-04-08T09:13:16.272489Z", "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": 68165, "name": "9x9 Double Elimination (New Zealand Rules)", "director": { "id": 637865, "username": "John.Tromp.Math.Maniac", "country": "nl", "icon": "https://user-uploads.online-go.com/d3a7d663721e94d8a2a5d3846f290611-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "nz", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 172800, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3207, "name": "New Zealand Tournaments", "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 593, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-29T02:00:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-11-29T02:00:18.688308Z", "ended": "2021-03-10T21:58:34.231600Z", "start_waiting": "2020-11-29T02:00:17.913254Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png", "player_count": 14, "ranked": true }, { "id": 103561, "name": "St Francois", "director": { "id": 647, "username": "Tilwen", "country": "fr", "icon": "https://secure.gravatar.com/avatar/21681eabc569024d6a8661e7efd21554?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1854.7840258361373, "deviation": 63.351282078804395, "volatility": 0.060144265272253083 } }, "ranking": 29.21820017530452, "professional": false, "ui_class": "" }, "description": "Deuxième tentative", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "aga", "time_per_move": 23, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 15, "initial_time": 240, "max_time": 900 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12877, "name": "St François de Sales OGS", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 0, "icon": "https://user-uploads.online-go.com/950c76004b46d26ca645d7cdf0ef1617-64.png" }, "auto_start_on_max": false, "time_start": "2023-05-23T11:10:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2023-05-23T11:10:56.834660Z", "ended": "2023-05-23T11:37:57.103405Z", "start_waiting": "2023-05-23T11:10:56.762315Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/950c76004b46d26ca645d7cdf0ef1617-15.png", "player_count": 8, "ranked": true }, { "id": 101981, "name": "李梓揚 蔡梓軒", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "李梓揚\n蔡梓軒", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 29, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-04-08T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-04-08T05:01:49.250822Z", "ended": "2023-04-08T05:59:25.645239Z", "start_waiting": "2023-04-08T05:01:49.198814Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 118163, "name": "Alan Turing Nines 2020 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": "<!--\nAlan Turing Nines 2020 Title Match - Board 1\n-->\n\nTitle Holder:\n<a style=\"color:orange\" href='https://online-go.com/user/view/43936'>Sadaharu [Nines Alan Turing] x1</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>9th</td>\n\t<td style=\"color:orange\">Alan Turing</td>\n\t<td>Nines</td>\n\t<td>2020</td>\n\t<td><a style=\"color:orange\" href='https://online-go.com/user/view/43936'>Sadaharu [Nines Alan Turing]</a></td>\n\t<td><a href='https://online-go.com/player/64817/'>mark5000 [5d]</a></td>\n\t<td><a href='https://online-go.com/game/66581498'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/118163'>Board 2</a></td>\n\t<td><a href='https://online-go.com/tournament/118164'>Board 3</a></td>\n\t<td><a href='https://online-go.com/tournament/118165'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/118166'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/60660'>Alan Turing Nines Title Tournament 2020</a>\n\nNote:\n- Bots and use of AI are allowed in Alan Turing title tournaments.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 107733, "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": 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": 2977, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2024-08-04T00:15:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2024-08-04T00:15:18.652653Z", "ended": "2024-10-30T05:40:43.605482Z", "start_waiting": "2024-08-04T00:15:18.578433Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true } ] }
