HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58202,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5571",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5569",
"results": [
{
"id": 90031,
"name": "趙叡森 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": "趙叡森 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": "2022-05-15T04:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2022-05-15T03:44:26.053238Z",
"ended": "2022-05-15T04:17:52.713126Z",
"start_waiting": "2022-05-15T03:44:25.996088Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 121937,
"name": "Test Turnier",
"director": {
"id": 1611173,
"username": "IGS26133",
"country": "de",
"icon": "https://user-uploads.online-go.com/7de5b558e2c0283f2c9e08d4040fe31c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1371.8950114764393,
"deviation": 206.60735455863636,
"volatility": 0.06000653105344034
}
},
"ranking": 22.23673297500876,
"professional": false,
"ui_class": "provisional"
},
"description": "Test-Turnier der Go-AG",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 32,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 120,
"max_time": 300
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 14546,
"name": "IGS26133 Go-Club",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 31,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2024-11-07T13:43:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2024-11-07T13:43:35.971120Z",
"ended": "2024-11-07T14:25:22.271023Z",
"start_waiting": "2024-11-07T13:43:35.870896Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 6
},
{
"id": 76926,
"name": "9x9 Double Elimination - September 2021",
"director": {
"id": 126739,
"username": "🐬Sofiam🐬",
"country": "_Olimpic_Movement",
"icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1012.0554496406809,
"deviation": 84.91308607572303,
"volatility": 0.076882078105041
}
},
"ranking": 15.194279748149173,
"professional": false,
"ui_class": ""
},
"description": "Everyone is welcome",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 6630,
"name": "Go friends 🐬",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 359,
"icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-08-31T22:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-08-31T22:00:43.889337Z",
"ended": "2022-05-21T14:40:59.168010Z",
"start_waiting": "2021-08-31T22:00:43.259411Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
"player_count": 27
},
{
"id": 48644,
"name": "Masters of 9x9.",
"director": {
"id": 195581,
"username": "mat.go.9x9.Miau",
"country": "br",
"icon": "https://user-uploads.online-go.com/5dbbcd26e0b171c2720b507db4b59d39-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1634.2508063360765,
"deviation": 67.07064816932599,
"volatility": 0.060652862473215774
}
},
"ranking": 26.287785569879606,
"professional": false,
"ui_class": ""
},
"description": "Enjoy",
"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": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 3678,
"name": "Friends of Go.",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 27,
"icon": "https://user-uploads.online-go.com/312e3b2b4a483837b3259fce629383b4-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-05-22T03:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-05-24T21:53:01.409809Z",
"ended": "2019-06-19T08:13:12.056046Z",
"start_waiting": "2019-05-24T21:52:58.110247Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/312e3b2b4a483837b3259fce629383b4-15.png",
"player_count": 6
},
{
"id": 96687,
"name": "1 -> 趙叡森 2 -> 吳承軒",
"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": "1 -> 趙叡森\n2 -> 吳承軒",
"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": "2022-11-12T03:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2022-11-12T02:48:52.898733Z",
"ended": "2022-11-12T03:06:48.400318Z",
"start_waiting": "2022-11-12T02:48:52.841099Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 105578,
"name": "Houston Go Club - Double Elimination Handicap Tournament (7/26/23)",
"director": {
"id": 473476,
"username": "ajiadjuster",
"country": "us",
"icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1935.851109181914,
"deviation": 70.1508543973773,
"volatility": 0.05980222329500149
}
},
"ranking": 30.208529819463372,
"professional": false,
"ui_class": "supporter"
},
"description": "This is a double-elimination handicap tournament - all players are welcome! In this format we can accommodate many players, and participants will only play one game at a time. Participants are eliminated after two losses (except the final game, which is winner-take-all). \n\nWhile these are correspondence games, I've reduced max time to 3 days (following the typical time setting for ladder games on OGS). Compared to our recent round robin tournaments, timeouts will happen more quickly for participants who lose interest or forget to play. \n\nFor additional details on this format, see: https://senseis.xmp.net/?DoubleKnockoutTournamentFormat",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1274,
"name": "Houston Go Club",
"summary": "Playing go online and at real boards in Houston, Texas.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 78,
"icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-07-26T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2023-07-26T21:00:50.693302Z",
"ended": "2023-11-20T18:35:25.145029Z",
"start_waiting": "2023-07-26T21:00:50.527523Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png",
"player_count": 10
},
{
"id": 131431,
"name": "Houston Go Club - Double Elimination Correspondence Tournament (8/21/25)",
"director": {
"id": 473476,
"username": "ajiadjuster",
"country": "us",
"icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1935.851109181914,
"deviation": 70.1508543973773,
"volatility": 0.05980222329500149
}
},
"ranking": 30.208529819463372,
"professional": false,
"ui_class": "supporter"
},
"description": "Every player has a single game in each round (it's possible to have a bye with an odd number of players, but no individual plays simultaneous games). After the initial round, players with no losses are in bracket A. Players with one loss are in bracket B. Players with two losses (or time outs) are eliminated. The final game is played between the winner of each bracket.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 43884,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 43200,
"initial_time": 86400,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1274,
"name": "Houston Go Club",
"summary": "Playing go online and at real boards in Houston, Texas.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 78,
"icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-08-21T17:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2025-08-21T17:00:06.604745Z",
"ended": null,
"start_waiting": "2025-08-21T17:00:06.490096Z",
"board_size": 19,
"active_round": 3,
"icon": "https://user-uploads.online-go.com/996be57dac72f8058d5a9a0e0c2dccd3-15.png",
"player_count": 12
},
{
"id": 46625,
"name": "13x13 D.E. (Chinese Rules)",
"director": {
"id": 584481,
"username": "Mulsiphix",
"country": "us",
"icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1723.508332937557,
"deviation": 67.30621035483453,
"volatility": 0.06024145341136911
}
},
"ranking": 27.51884388340188,
"professional": false,
"ui_class": "supporter"
},
"description": "###All Rank Grinder\n\n☆ BEGINS ON START DATE. FULL OR NOT.\n\n☆ Does NOT pause on the weekend.\n\n☆ Double Elimination, 8 to 16 players, Chinese Rules/Scoring\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☆ If this sounds like a good time to you, please join us!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 45120,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 43200,
"speed": "correspondence"
},
"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": 594,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-03-31T01:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-31T01:15:29.999759Z",
"ended": "2019-11-05T07:34:54.206761Z",
"start_waiting": "2019-03-31T01:15:29.591198Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8
},
{
"id": 113116,
"name": "23 февраля",
"director": {
"id": 659128,
"username": "Эльфия Ходжер",
"country": "ru",
"icon": "https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1111.8273201338566,
"deviation": 66.64982031816413,
"volatility": 0.0601219440224413
}
},
"ranking": 17.370878274632403,
"professional": false,
"ui_class": ""
},
"description": "нужно играть",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 39,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 1200,
"period_time": 30,
"periods": 5
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 12847,
"name": "Nikoniko ДЕТИ",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 35,
"icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-02-23T01:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-23T01:00:28.518780Z",
"ended": "2024-02-23T02:43:19.239240Z",
"start_waiting": "2024-02-23T01:00:28.381024Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-15.png",
"player_count": 8
},
{
"id": 128993,
"name": "FARTYYY",
"director": {
"id": 1789129,
"username": "fishcrew",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/cc99645dd769224abf154670b987ab5f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 710.3615547953566,
"deviation": 250,
"volatility": 0.06
}
},
"ranking": 7.000000000000001,
"professional": false,
"ui_class": "provisional"
},
"description": "FARTYYYY",
"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": 15378,
"name": "fartingod",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2025-05-31T22:00:00Z",
"players_start": 1,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
}
]
}
