HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58285,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=504",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=502",
"results": [
{
"id": 99930,
"name": "Correspondence 19x19 RoundRobin 2023-02-10 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:20251107T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-07T19:00:32.938160Z",
"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": "2025-11-10T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"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": "2023-02-10T19:00:19.321652Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-02-10T19:00:20.022196Z",
"ended": "2023-06-18T21:29:43.435702Z",
"start_waiting": "2023-02-10T19:00:19.412780Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 96751,
"name": "Google 2",
"director": {
"id": 1006991,
"username": "WillMa",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/3b854740fb42fc74c8b43503d4f64f46?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1425.3905788313666,
"deviation": 65.04358839826483,
"volatility": 0.06003849668312953
}
},
"ranking": 23.12228674059785,
"professional": false,
"ui_class": ""
},
"description": "Have fun and good luck",
"schedule": null,
"title": null,
"tournament_type": "s_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": 9509,
"name": "Goggle",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 14,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2022-12-31T14:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-12-31T14:00:33.725500Z",
"ended": "2024-11-27T13:47:27.156533Z",
"start_waiting": "2022-12-31T14:00:33.015518Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 6
},
{
"id": 73230,
"name": "9x9 game",
"director": {
"id": 752707,
"username": "Harry Bryant",
"country": "gb",
"icon": "https://secure.gravatar.com/avatar/4c99bd5d6eb6b527634d9cffe37cb77f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1467.3483399458928,
"deviation": 65.6387017401574,
"volatility": 0.06032155687200692
}
},
"ranking": 23.79389266254637,
"professional": false,
"ui_class": ""
},
"description": "fast game",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87840,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 129600,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 234,
"name": "9x9",
"summary": "For players who like 9x9.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 91,
"icon": "https://user-uploads.online-go.com/fed066e0bcb07b3e75c45e4ba0d9bc5e-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-05-03T01:00:00Z",
"players_start": 20,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-05-06T15:36:24.245078Z",
"ended": "2021-07-27T03:49:06.880734Z",
"start_waiting": "2021-05-06T15:36:23.792287Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fed066e0bcb07b3e75c45e4ba0d9bc5e-15.png",
"player_count": 20
},
{
"id": 86449,
"name": "Melee 13x13 Tournament: 2022-02-28",
"director": {
"id": 741522,
"username": "wolfmeister",
"country": "_United_Federation_of_Planets",
"icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1209.6169056480942,
"deviation": 65.52079638031556,
"volatility": 0.06013235595814508
}
},
"ranking": 19.32239564406787,
"professional": false,
"ui_class": ""
},
"description": "Play async or live via video. Your choice.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 6720,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 604800
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6518,
"name": "Madison Google Go",
"summary": "Nominally a social league for the MSN site, but friendly, casual players from other sites welcome. Make sure to join the Hangouts room, go-msn@ group for announcements! Please send an *INTERNAL* email to the organizers to join. We don't always notice OG",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 18,
"icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-02-28T20:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2022-02-28T20:00:16.721970Z",
"ended": "2022-03-17T10:28:46.746909Z",
"start_waiting": "2022-02-28T20:00:16.531624Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png",
"player_count": 6
},
{
"id": 69386,
"name": "Mingren Nines 2018 Title Match - Board 1",
"director": {
"id": 199065,
"username": "Kuksu League",
"country": "_United_Federation_of_Planets",
"icon": "https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?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": "<!-- \nMingren Nines 2018 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/43936/'>Sadaharu [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>12th</td>\n\t<td style=\"color:deepskyblue\">Mingren</td>\n\t<td>Nines</td>\n\t<td>2018</td>\n\t<td><a href='https://online-go.com/player/43936/Sadaharu'>Sadaharu [3d]</a></td>\n\t<td><a href='https://online-go.com/player/40318/gamesorry'>gamesorry [3d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69386'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69387'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69388'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69389'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69390'>Board 5</a></td>\n</tr>\n</table>\n\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565287'>Board 1</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565315'>Board 2</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565331'>Board 3</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565345'>Board 4</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565364'>Board 5</a></td> -->\n\nTitle Tournament: <a href='https://online-go.com/tournament/42052'>Mingren Nines Title Tournament 2018</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": 2945,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-01-25T23:00:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2021-01-25T23:00:50.418107Z",
"ended": "2021-04-07T07:06:40.338753Z",
"start_waiting": "2021-01-25T23:00:50.196526Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 2
},
{
"id": 21277,
"name": "Fight Club's \"DDK Massacre\" #4",
"director": {
"id": 102987,
"username": "Fight Club´s Admin",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1403.9107440568043,
"deviation": 68.41290124459677,
"volatility": 0.060041081424571756
}
},
"ranking": 22.77077400148111,
"professional": false,
"ui_class": ""
},
"description": "enjoy the procedure and the goal will unfold",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 28080,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 25200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 351,
"name": "Fight Club",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 367,
"icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"
},
"auto_start_on_max": false,
"time_start": "2016-10-09T10:00:00Z",
"players_start": 2,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-10-09T10:00:27.063804Z",
"ended": "2017-10-26T21:49:32.107495Z",
"start_waiting": "2016-10-09T10:00:26.646267Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
"player_count": 13
},
{
"id": 112613,
"name": "9x9 Mini League 1k-9k #108",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1290.83028822553,
"deviation": 70.59315029619313,
"volatility": 0.0601397465821019
}
},
"ranking": 20.826727625386596,
"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": 683,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-02-25T20:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-24T15:14:53.816881Z",
"ended": "2024-03-14T06:49:27.823840Z",
"start_waiting": "2024-02-24T15:14:53.649760Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5
},
{
"id": 39739,
"name": "1st Continental Go World Cup-Qualification Phase for Africa/Australia/Neutral : 9-5kyu Category (Group 2)",
"director": {
"id": 539970,
"username": "Samioka",
"country": "_Starfleet",
"icon": "https://user-uploads.online-go.com/9582cd2660544491f2579526f26e3e1c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1148.805330372039,
"deviation": 97.61189177297982,
"volatility": 0.060030694354630036
}
},
"ranking": 18.128292176051577,
"professional": false,
"ui_class": ""
},
"description": "Hello This is the qualification phase for the African/Australian/Neutral players who have a level between 9k and 5k. (This is the group n°2. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.) REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, Starfleet or DOOP flag are considered as Neutral flags).\n\nHave fun :)",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 59520,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 57600,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2514,
"name": "Continental and World Go Cups Group",
"summary": "You want to become World Champion or a Continental champion? Join us :)",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 523,
"icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-12-31T15:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2018-08-15T19:44:36.795922Z",
"ended": "2019-03-08T02:10:59.036019Z",
"start_waiting": "2018-08-15T19:44:33.976537Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
"player_count": 9
},
{
"id": 64238,
"name": "Mega tournament five",
"director": {
"id": 736023,
"username": "2025vs",
"country": "hk",
"icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1536.529914735449,
"deviation": 63.18073597410369,
"volatility": 0.06031088735864471
}
},
"ranking": 24.86040506661975,
"professional": false,
"ui_class": ""
},
"description": "join https://online-go.com/group/5351",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 259200,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": false,
"per_move": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 5351,
"name": "2025vs ",
"summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 192,
"icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-11-01T09:00:00Z",
"players_start": 25,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-09-25T07:30:25.858588Z",
"ended": "2021-08-22T04:38:13.925341Z",
"start_waiting": "2020-09-25T07:30:24.781376Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
"player_count": 25
},
{
"id": 7914,
"name": "Correspondence 19x19 RoundRobin 2015-06-01 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:20251107T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-07T19:00:32.938160Z",
"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": "2025-11-10T19:00:00Z",
"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": "2015-06-01T01:00:26.693671Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-06-01T01:00:47.860148Z",
"ended": "2015-10-21T10:21:27.704865Z",
"start_waiting": "2015-06-01T01:00:46.900105Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
}
]
}
