Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4259
{ "count": 59687, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4260", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4258", "results": [ { "id": 11855, "name": "Correspondence 13x13 RoundRobin 2015-10-24 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260516T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-16T19:00:50.176550Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-05-19T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-10-24T01:00:34.663592Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-10-24T01:00:55.331054Z", "ended": "2015-12-24T23:43:51.420870Z", "start_waiting": "2015-10-24T01:00:54.273050Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 91613, "name": "9x9 Traditional monthly tournament VII/22", "director": { "id": 929191, "username": "EnsoZEN", "country": "cz", "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png", "ratings": { "version": 5, "overall": { "rating": 1463.5820448380764, "deviation": 67.30723430909097, "volatility": 0.06004488935091738 } }, "ranking": 23.734396346844115, "professional": false, "ui_class": "" }, "description": "☸️ Have ZEN!🧘", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 48, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2022-06-30T23:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-30T23:00:43.232135Z", "ended": "2022-07-30T06:01:44.041274Z", "start_waiting": "2022-06-30T23:00:42.714075Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 10, "ranked": true }, { "id": 89074, "name": "9x9 Open League #28", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1257.4677062675705, "deviation": 69.47770027155092, "volatility": 0.06021177612116814 } }, "ranking": 20.220528581218108, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 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": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "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": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2022-05-01T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-01T16:06:05.896211Z", "ended": "2022-08-03T06:00:39.421311Z", "start_waiting": "2022-05-01T16:06:05.160297Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 94259, "name": "1 -> 錢尚鋒 2 -> 居芷琪", "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": "1 -> 錢尚鋒\n2 -> 居芷琪", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-09-04T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-09-04T03:43:42.335251Z", "ended": "2022-09-04T04:20:20.838310Z", "start_waiting": "2022-09-04T03:43:42.277006Z", "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": 116243, "name": "แสนแสบครั้งที่ 4", "director": { "id": 1024138, "username": "jindas123", "country": "un", "icon": "https://secure.gravatar.com/avatar/8851a627382853af8d7c90888b2ca686?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 708.2048425865, "deviation": 63.46972439551683, "volatility": 0.060177609893441876 } }, "ranking": 6.929607910922064, "professional": false, "ui_class": "" }, "description": "ซ้อมแข่งขันครั้งที่ 4", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9818, "name": "หมากล้อมแสนแสบ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 39, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-05-20T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2024-05-20T13:00:51.273233Z", "ended": "2024-05-20T13:28:04.867770Z", "start_waiting": "2024-05-20T13:00:51.151822Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 88240, "name": "test 2", "director": { "id": 1139949, "username": "wanyaow", "country": "un", "icon": "https://secure.gravatar.com/avatar/44e7f34ab943dc2a5e086dd325ecd2f3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1448.6486735485482, "deviation": 170.6867337928089, "volatility": 0.06000448988621987 } }, "ranking": 23.496976575614106, "professional": false, "ui_class": "provisional" }, "description": "this and that", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 900 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11514, "name": "USMKKJ Chess", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-04-04T14:20:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-04-04T14:20:05.600919Z", "ended": "2022-04-04T14:25:31.228668Z", "start_waiting": "2022-04-04T14:20:05.466712Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 87263, "name": "Mingren Nines 2019 Title Match - Board 3", "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": "<!-- \nMingren Nines 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/40318/'>gamesorry [Nines Mingren] 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>13th</td>\n\t<td style=\"color:deepskyblue\">Mingren</td>\n\t<td>Nines</td>\n\t<td>2019</td>\n\t<td><a style=\"color:deepskyblue\" href='https://online-go.com/player/40318/'>gamesorry [Nines Mingren]</a></td>\n\t<td><a href='https://online-go.com/player/586872/%E6%89%BE%E5%80%9F%E5%8F%A3%E5%AE%89%E9%9D%99'>找借口安静 [1d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/42471024'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/42500684'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87263'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87264'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87265'>Board 5</a></td>\n</tr>\n</table>\n\n\nTitle Tournament: <a href='https://online-go.com/tournament/53957'>Mingren Nines 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": "chinese", "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": 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": 2979, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2022-03-31T08:45:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2022-03-31T08:45:05.643233Z", "ended": "2022-04-29T07:04:41.343032Z", "start_waiting": "2022-03-31T08:45:05.578072Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 82968, "name": "Kassel", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 803.6705714414907, "deviation": 64.60259982805724, "volatility": 0.05991432696384124 } }, "ranking": 9.85706594685124, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 345600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 23, "name": "German Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 358, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-11-26T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-26T17:00:39.263089Z", "ended": "2022-09-09T06:21:54.474105Z", "start_waiting": "2021-11-26T17:00:39.045476Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 89029, "name": "nrang", "director": { "id": 1053363, "username": "Dean_Huawei", "country": "au", "icon": "https://user-uploads.online-go.com/8ba2f57b818d3e60115468503df064a6-64.png", "ratings": { "version": 5, "overall": { "rating": 755.1535669003812, "deviation": 66.541419992615, "volatility": 0.060035846864767366 } }, "ranking": 8.415554344254035, "professional": false, "ui_class": "" }, "description": "GENTER", "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": 11147, "name": "tetris go (match every stones) :D", "summary": "play go and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 35, "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-64.png" }, "auto_start_on_max": false, "time_start": "2022-04-22T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-13T21:35:44.484881Z", "ended": "2022-07-08T12:40:51.496299Z", "start_waiting": "2022-06-13T21:35:44.342992Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-15.png", "player_count": 4, "ranked": true }, { "id": 42393, "name": "LondonGirl", "director": { "id": 585308, "username": "schnegelbergere", "country": "un", "icon": "https://secure.gravatar.com/avatar/2c770ebaca0a991185967609c14a9bba?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500.0, "deviation": 350.0, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Navy Blue \nWhite\nRed", "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": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1784, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2018-11-01T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-11-02T16:57:20.926872Z", "ended": "2018-12-18T02:21:43.013254Z", "start_waiting": "2018-11-02T16:57:20.444216Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 4, "ranked": true } ] }
