HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58283,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5358",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5356",
"results": [
{
"id": 109500,
"name": "Correspondence 9x9 RoundRobin 2023-11-12 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": 5,
"name": "Correspondence 9x9 RoundRobin",
"rrule": "DTSTART:20251103T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-11-03T19:00:22.667655Z",
"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": "2025-11-06T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 95543,
"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": "2023-11-12T19:00:30.209771Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-11-12T19:00:30.798204Z",
"ended": "2023-12-03T13:20:14.260787Z",
"start_waiting": "2023-11-12T19:00:30.600052Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 6
},
{
"id": 74567,
"name": "29/4 比賽 A",
"director": {
"id": 882228,
"username": "傳碁學園-學校",
"country": "un",
"icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2016.3242760584894,
"deviation": 321.66454188869955,
"volatility": 0.06000670794039896
}
},
"ranking": 31.15140869306353,
"professional": false,
"ui_class": "provisional"
},
"description": "29/4 比賽 A",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 300,
"period_time": 10,
"periods": 1
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7434,
"name": "石鐘山圍棋課",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 21,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2021-04-29T08:00:00Z",
"players_start": 8,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-04-29T07:17:29.093202Z",
"ended": "2021-04-29T07:41:58.021342Z",
"start_waiting": "2021-04-29T07:17:28.841437Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 7
},
{
"id": 74568,
"name": "29/4 比賽 B",
"director": {
"id": 882228,
"username": "傳碁學園-學校",
"country": "un",
"icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2016.3242760584894,
"deviation": 321.66454188869955,
"volatility": 0.06000670794039896
}
},
"ranking": 31.15140869306353,
"professional": false,
"ui_class": "provisional"
},
"description": "29/4 比賽 B",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 300,
"period_time": 10,
"periods": 1
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7434,
"name": "石鐘山圍棋課",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 21,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2021-04-29T08:00:00Z",
"players_start": 6,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-04-29T07:18:31.599680Z",
"ended": "2021-04-29T07:44:30.781378Z",
"start_waiting": "2021-04-29T07:18:31.448354Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 6
},
{
"id": 129863,
"name": "Olival 2",
"director": {
"id": 681764,
"username": "LeandroMoi",
"country": "br",
"icon": "https://secure.gravatar.com/avatar/213156d9bbd3cd2c352d1d8067118643?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 990.9724349932661,
"deviation": 64.88201936974117,
"volatility": 0.06004329831496095
}
},
"ranking": 14.706927756554478,
"professional": false,
"ui_class": ""
},
"description": "Olival costa",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 18,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "rapid",
"pause_on_weekends": false,
"time_increment": 7,
"initial_time": 300,
"max_time": 1200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 15461,
"name": "Olival Costa",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 13,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2025-06-26T15:45:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2025-06-26T15:45:29.224029Z",
"ended": "2025-06-26T16:05:07.845734Z",
"start_waiting": "2025-06-26T15:45:29.116878Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 11
},
{
"id": 67277,
"name": "Correspondence 19x19 RoundRobin 2020-11-01 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:20251104T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-04T19:00:32.280884Z",
"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": "2025-11-07T19:00:00Z",
"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": "2020-11-01T19:00:09.779047Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-11-01T19:00:13.366983Z",
"ended": "2021-04-27T05:51:43.282356Z",
"start_waiting": "2020-11-01T19:00:11.582673Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 86388,
"name": "21/2 練習賽",
"director": {
"id": 732914,
"username": "Myosu",
"country": "hk",
"icon": "https://user-uploads.online-go.com/3e8044bfa5bfb2689285ad63b474e524-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2261.5331377691773,
"deviation": 70.95217018810024,
"volatility": 0.06017856404159611
}
},
"ranking": 33.80825951901706,
"professional": false,
"ui_class": ""
},
"description": "21/2 練習賽",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": -1,
"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": 10046,
"name": "Hiroki’s Group",
"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": "2022-02-21T09:09:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-02-21T09:09:25.378970Z",
"ended": "2022-02-21T10:14:53.652986Z",
"start_waiting": "2022-02-21T09:09:25.296488Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 6
},
{
"id": 73471,
"name": "Oza Treizes 2019 Title Match - Board 1",
"director": {
"id": 40318,
"username": "gamesorry",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2037.6915796724338,
"deviation": 69.68085573692971,
"volatility": 0.060155568684333575
}
},
"ranking": 31.395442104274068,
"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/tournament/73471'>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": 2944,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-04-06T08:50:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2021-04-06T08:50:11.709821Z",
"ended": "2021-05-04T13:15:42.702095Z",
"start_waiting": "2021-04-06T08:50:11.651585Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 2
},
{
"id": 107023,
"name": "Mn234",
"director": {
"id": 1393499,
"username": "Imtiyaz",
"country": "th",
"icon": "https://user-uploads.online-go.com/56a672954f96d68180eb8444196aec12-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1001.4082139435093,
"deviation": 65.03443823820406,
"volatility": 0.06003386097928065
}
},
"ranking": 14.94944214976445,
"professional": false,
"ui_class": ""
},
"description": "Kopis toget in",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 62,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 900,
"max_time": 900
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 13491,
"name": "flag quiz",
"summary": "<link rel=\"stylesheet\" href=\"https://dev-pxxnpxn.neocities.org/FlySai.css\">\n</div></div></div> ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 7,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2023-09-01T04:40:00Z",
"players_start": 0,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-09-01T04:40:10.635486Z",
"ended": "2023-09-01T04:40:10.845703Z",
"start_waiting": "2023-09-01T04:40:10.576481Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 21200,
"name": "Correspondence 19x19 RoundRobin 2016-10-05 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": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251104T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-04T19:00:32.280884Z",
"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": "2025-11-07T19:00:00Z",
"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": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-10-05T01:00:08.331907Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-10-05T01:00:27.959775Z",
"ended": "2017-02-08T16:56:46.526651Z",
"start_waiting": "2016-10-05T01:00:26.041251Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 25336,
"name": "Турнир по игре го",
"director": {
"id": 387177,
"username": "Jokes Time Wins :D",
"country": "ua",
"icon": "https://user-uploads.online-go.com/85e9a7dcb1b0e32c2b18ae2e5fe2c08d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1426.64887659334,
"deviation": 64.98759878508815,
"volatility": 0.06007039297077874
}
},
"ranking": 23.14271394403244,
"professional": false,
"ui_class": ""
},
"description": "турнир по игре го на доске 19 19. ПРИГЛАШАЮ ВСЕХ КТО ЛЮБИТ ИГРУ ГО!!!!!!!!!!!!!!!!!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 110,
"time_control_parameters": {
"total_time": 9900,
"time_control": "absolute",
"speed": "live",
"system": "absolute",
"pause_on_weekends": false
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 1292,
"name": "i go game",
"summary": "игра и го",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 18,
"icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-03-10T10:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-03-11T04:38:03.254233Z",
"ended": "2017-03-11T07:23:12.112156Z",
"start_waiting": "2017-03-11T04:38:03.069120Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-15.png",
"player_count": 2
}
]
}
