Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1402
{ "count": 59512, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1403", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1401", "results": [ { "id": 38794, "name": "Correspondence 9x9 RoundRobin 2018-07-05 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260228T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-02-28T19:00:40.650213Z", "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": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-03T19:00:00Z", "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": "2018-07-05T01:00:31.942822Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-05T01:01:07.417325Z", "ended": "2018-07-22T02:44:38.033265Z", "start_waiting": "2018-07-05T01:01:04.661332Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 127375, "name": "What are your shoes?", "director": { "id": 1755693, "username": "deleted-936fec46-c9ee-4e2c-a8c0-85c2545604b0", "country": "zz", "icon": "https://user-uploads.online-go.com/f942bcc602daa3fafb0a529ff17c90ab-64.png", "ratings": { "version": 5, "overall": { "rating": 854.4389558780679, "deviation": 78.30659344438284, "volatility": 0.0599715364808262 } }, "ranking": 11.27513339688449, "professional": false, "ui_class": "" }, "description": "What are your shoes?", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15243, "name": "ABC Mart", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/91c47a835f8b956683cd88918df7ad53-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-17T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-12T11:43:25.714529Z", "ended": null, "start_waiting": "2025-04-12T11:43:25.356044Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/91c47a835f8b956683cd88918df7ad53-15.png", "player_count": 20, "ranked": true }, { "id": 125997, "name": "Meijin Main 2019 Title Match - Board 5", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1995.719624534026, "deviation": 68.02965633278002, "volatility": 0.06015733969046198 } }, "ranking": 30.913623719446058, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nMeijin Main 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Meijin] x1+1</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:green\">Meijin</td>\n\t<td>Main</td>\n\t<td>2019</td>\n\t<td><a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Meijin]</a></td>\n\t<td><a href='https://online-go.com/user/view/418737'>Puffin888 [5d]</a></td>\n\t<td><a href='https://online-go.com/tournament/125993'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/125994'>Board 2</a></td>\n\t<td><a href='https://online-go.com/tournament/125995'>Board 3</a></td>\n\t<td><a href='https://online-go.com/tournament/125996'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/125997'>Board 5</a></td>\n</tr>\n</table>\n\n\nTitle Tournament: <a style=\"color:green\" href='https://online-go.com/tournament/43369'>Meijin Main 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": 91187, "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": 2965, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2025-04-04T00:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 1, "ranked": true }, { "id": 57511, "name": "한국그룹111", "director": { "id": 738665, "username": "cutyhany", "country": "kr", "icon": "https://secure.gravatar.com/avatar/055895f7c182a7ea803661ac49d51e29?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1634.4570405293491, "deviation": 69.09882329594102, "volatility": 0.06003406198391524 } }, "ranking": 26.290706798575638, "professional": false, "ui_class": "" }, "description": "ㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍㅍ", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 30, "max_time": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4560, "name": "한국그룹11", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 0, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-03-15T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-17T05:22:30.104735Z", "ended": "2020-03-17T05:32:30.259113Z", "start_waiting": "2020-03-17T05:22:29.257142Z", "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": 125243, "name": "Injen", "director": { "id": 1715961, "username": "Inden", "country": "un", "icon": "https://secure.gravatar.com/avatar/e4bdbb8ec46904528c0d00da9f533665?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 541.8982450677848, "deviation": 99.14449471015799, "volatility": 0.06002172026551276 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "圍棋很不錯👍", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 8419, "name": "世界华人围棋协会", "summary": "📣📣📣：诚邀世界各地各个水平阶段的棋友们前来一起切磋交流～ 主页含有各类免费围棋资源供大家使用（新手友好）。会内将定期举办各种赛事等活动，祝各位玩得开心！🔥🔥🔥", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 167, "icon": "https://user-uploads.online-go.com/1904b8af9a2c4de9493b717be66ba612-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-09T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1904b8af9a2c4de9493b717be66ba612-15.png", "player_count": 0, "ranked": true }, { "id": 30909, "name": "Correspondence 9x9 RoundRobin 2017-10-08 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260228T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-02-28T19:00:40.650213Z", "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": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-03T19:00:00Z", "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": "2017-10-08T01:00:38.308837Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-10-08T01:01:08.954405Z", "ended": "2017-10-12T10:50:27.901090Z", "start_waiting": "2017-10-08T01:01:07.662334Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 57595, "name": "CoronaTorneo #1", "director": { "id": 582512, "username": "Pablo Dávila", "country": "es", "icon": "https://user-uploads.online-go.com/1c5396c8eac2974de48ff68d69c2fd1e-64.png", "ratings": { "version": 5, "overall": { "rating": 1304.3072357300132, "deviation": 61.4094518698374, "volatility": 0.05998245457197964 } }, "ranking": 21.067172793764747, "professional": false, "ui_class": "" }, "description": "Hay que aprovechar la cuarentena!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3800, "name": "Club de Go US", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/ebfc3572c4ad35ab4e88e8287c74a5a5-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-21T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-21T11:00:44.847566Z", "ended": "2020-03-21T12:03:27.480640Z", "start_waiting": "2020-03-21T11:00:44.401222Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ebfc3572c4ad35ab4e88e8287c74a5a5-15.png", "player_count": 7, "ranked": true }, { "id": 56731, "name": "Correspondence 19x19 RoundRobin 2020-02-20 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260301T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-03-01T19:00:41.158502Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-03-04T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-02-20T19:00:51.660755Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-02-20T19:01:00.544643Z", "ended": "2020-04-25T16:17:29.226125Z", "start_waiting": "2020-02-20T19:00:55.644171Z", "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": 112479, "name": "9by9Board-sizes 'Fast Money Fastest InternetSpeeds Fast Work-Leveling' Series 1Sec by 1seconds 10Period(s)", "director": { "id": 1035810, "username": "CEO S AND C PARTNER", "country": "kr", "icon": "https://user-uploads.online-go.com/b1a5f81a5adaaa38a59d0f1577a0f955-64.png", "ratings": { "version": 5, "overall": { "rating": 1593.6099532694311, "deviation": 69.00877631493312, "volatility": 0.06065780103482382 } }, "ranking": 25.704807840400584, "professional": false, "ui_class": "" }, "description": "'Fast Money Fastest InternetSpeeds Fast Work-Leveling' Series 1Sec by 1seconds 10Period(s)\n1st Place Prize 50$\n2nd Place Prize 25$\n3rd Place Prize 20$", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "korean", "time_per_move": 1, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 1, "period_time": 1, "periods": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14032, "name": "((((((((((PAID))))))))))SITE SUPPORTER", "summary": "Site Supporter(s) only-alloweds1111111111.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/7cf2292d04ac82e569bf88cf63b7584e-64.png" }, "auto_start_on_max": false, "time_start": "2024-02-16T16:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-02-16T16:00:39.961629Z", "ended": "2024-02-16T16:12:01.059630Z", "start_waiting": "2024-02-16T16:00:39.828302Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/7cf2292d04ac82e569bf88cf63b7584e-15.png", "player_count": 5, "ranked": true }, { "id": 56192, "name": "waikeat99", "director": { "id": 727414, "username": "waikeat99", "country": "un", "icon": "https://secure.gravatar.com/avatar/67712d1d97b59803baa026bd08471b9b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1553.2718470843174, "deviation": 214.6013067725043, "volatility": 0.06000102556702684 } }, "ranking": 25.11128169679937, "professional": false, "ui_class": "provisional" }, "description": "competition", "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": 4392, "name": "7th World Collegiate WEICHI Championship", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 14, "icon": "https://user-uploads.online-go.com/36e789c6de8f374ebca17525ea9d6be7-64.png" }, "auto_start_on_max": false, "time_start": "2020-02-01T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-02-02T21:00:05.029092Z", "ended": "2020-05-04T01:56:58.487414Z", "start_waiting": "2020-02-02T21:00:04.633507Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36e789c6de8f374ebca17525ea9d6be7-15.png", "player_count": 4, "ranked": true } ] }
