HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58223,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5489",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5487",
"results": [
{
"id": 2781,
"name": "Sitewide February 2014 DDK Round Robin",
"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": "Join us for a no-handicap 19x19 round robin tournament. DDKs only",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88320,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-02-04T04:33:44.294231Z",
"ended": "2014-06-04T16:36:36.884408Z",
"start_waiting": "2014-02-04T04:33:40.033925Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 0
},
{
"id": 38099,
"name": "world cup",
"director": {
"id": 532823,
"username": "woosisters",
"country": "_Pirate",
"icon": "https://secure.gravatar.com/avatar/fedd9d6fd5fe552e047a5ab5e7454bac?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 928.3954711697199,
"deviation": 68.94298631118899,
"volatility": 0.060027171904331655
}
},
"ranking": 13.196878205024143,
"professional": false,
"ui_class": ""
},
"description": "this is the world cup",
"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": false,
"group": {
"id": 25,
"name": "Go Basics",
"summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17526,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-06-29T01:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-06-29T01:00:33.439753Z",
"ended": "2020-08-18T12:38:35.040286Z",
"start_waiting": "2018-06-29T01:00:32.575423Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 17
},
{
"id": 120052,
"name": "Go advance forward forever - Kyu rank Warriors tournament D.E. #9",
"director": {
"id": 1436588,
"username": "Arrow A6 anti-",
"country": "zz",
"icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 654.8808665225596,
"deviation": 80.5663069992863,
"volatility": 0.06361948287492027
}
},
"ranking": 5.11742494757129,
"professional": false,
"ui_class": ""
},
"description": "All Kyu rank players welcome to joining and play Have Fun Enjoy 🎊\n\nWish all players will get what you want to achieve😎\n\n<h3><a Href=\"https://online-go.com/group/13797\"><span style=\"color:gold;\"><u> Go advance forward forever<a Href=\"https://online-go.com/group/13797\">welcome to join</u>\n</a></h3>\n\n<!-- <p>\n<embed src=\"https://www.youtube.com/embed/ZHhqwBwmRkI\"width=\"360\" height=\"240\">\n</p> -->\n\n<p>\n<embed src=\"https://www.youtube.com/embed/oautjk0v9pI\"width=\"360\" height=\"240\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/aUWb_1fj8-A\"width=\"360\" height=\"240\">\n</p>\n\n\n<!-- <p>\n<embed src=\"https://www.youtube.com/embed/ah2KQGi8Swk\"width=\"360\" height=\"240\">\n</p> -->\n\n\n\n<a href=\"https://info.flagcounter.com/2eiz\"><img src=\"https://s01.flagcounter.com/mini/2eiz/bg_000000/txt_FFFFFF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n\n<p style=\"display:none;83512\"> \n</p> \n\n<div style=\"display:none;12345\"> \n</div>",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87426,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 129600,
"max_time": 129600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 13797,
"name": " 无间勤碁术化 Go Advance forward forever",
"summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 484,
"icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-09-13T20:00:00Z",
"players_start": 6,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-09-13T20:00:55.619397Z",
"ended": "2025-06-09T19:21:52.279913Z",
"start_waiting": "2024-09-13T20:00:55.397395Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
"player_count": 21
},
{
"id": 2930,
"name": "Defunct.",
"director": {
"id": 69513,
"username": "Platitude",
"country": "us",
"icon": "https://user-uploads.online-go.com/711f070e5ab63c48bd82ac6dd5b4c291-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1822.3404202246109,
"deviation": 75.94079791189718,
"volatility": 0.06002281925948845
}
},
"ranking": 28.809680435859967,
"professional": false,
"ui_class": ""
},
"description": "NOTE TO ALL PLAYERS OF THE MEMORIAL WEEKEND TOURNAMENT: Due to my own stupidity and lack of experience with the site, I unwittingly started the games early, causing most of the matches to time out. My deepest apologies go out to you guys, and I hope that my next experience organizing a tournament turns out better.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 180,
"time_control_parameters": {
"time_control": "simple",
"per_move": 180
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 43,
"name": "Kyu Level Study Group",
"summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 8765,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 29,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2014-05-23T23:51:40.933156Z",
"ended": "2014-05-24T00:12:05.537869Z",
"start_waiting": "2014-05-23T23:51:40.454423Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 0
},
{
"id": 93901,
"name": "Blitz 13x13 Swiss Tournament 2022-08-25 19:30",
"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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251031T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-10-31T15:00:02.667687Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-10-31T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2022-08-25T19:30:23.733967Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-08-25T19:30:24.669489Z",
"ended": "2022-08-25T20:19:09.988359Z",
"start_waiting": "2022-08-25T19:30:24.408715Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 8
},
{
"id": 74131,
"name": "Partidas para 1RO",
"director": {
"id": 88120,
"username": "satoshi84",
"country": "mx",
"icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1162.2722344194942,
"deviation": 82.47024688516325,
"volatility": 0.06016113648651541
}
},
"ranking": 18.398090439972083,
"professional": false,
"ui_class": ""
},
"description": "vamoa juga go",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 23,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 300,
"period_time": 20,
"periods": 4
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4841,
"name": "PIPIOLO GO 2022🏆",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 215,
"icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-04-19T17:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-04-19T16:39:47.513722Z",
"ended": "2021-04-19T17:09:27.669009Z",
"start_waiting": "2021-04-19T16:39:47.367946Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
"player_count": 6
},
{
"id": 46582,
"name": "19x19 Double Elimination",
"director": {
"id": 582354,
"username": "GlacialNoivern",
"country": "us",
"icon": "https://user-uploads.online-go.com/bae7db25edc19db310969d9c23831e70-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1538.257364713131,
"deviation": 65.55077561199136,
"volatility": 0.06026203340214659
}
},
"ranking": 24.886416928616224,
"professional": false,
"ui_class": ""
},
"description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\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☆ Does NOT pause on the weekend.\n \n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.<BR><BR>",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 45120,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"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": true,
"time_start": "2025-12-26T02:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-09-30T09:35:28.512934Z",
"ended": "2020-05-29T08:24:33.810630Z",
"start_waiting": "2019-09-30T09:35:27.912015Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8
},
{
"id": 115379,
"name": "Live 19x19 Swiss Tournament 2024-04-25 12:30",
"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 Site-wide Tournament",
"schedule": {
"id": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251031T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-10-31T16:00:02.647457Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-10-31T20:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 35,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2024-04-25T12:30:24.583607Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-04-25T12:31:24.758786Z",
"ended": "2024-04-25T15:22:24.359237Z",
"start_waiting": "2024-04-25T12:31:24.570757Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 11
},
{
"id": 61939,
"name": "Top Go Fight!",
"director": {
"id": 796978,
"username": "Firewall101",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/20eb1fd132407cd8d62e34483d98ce42?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 776.5618088623922,
"deviation": 68.36145089787566,
"volatility": 0.059998944373922884
}
},
"ranking": 9.062715147569554,
"professional": false,
"ui_class": ""
},
"description": "Fight to the top! You only get one chance to become the best in this live duel!\n\nStarts on Wednesday, Jun 17!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 31,
"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": 6048,
"name": "Dan Achievers",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-06-17T15:59:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-06-17T15:58:58.242414Z",
"ended": "2020-06-17T16:15:48.036764Z",
"start_waiting": "2020-06-17T15:58:57.845797Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4
},
{
"id": 51432,
"name": "Game Of Stones Battle Masters 2019",
"director": {
"id": 87790,
"username": "MoonMonkey",
"country": "ru",
"icon": "https://user-uploads.online-go.com/9e29a56055728dccf9dafc7ebb3f8319-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1093.5261410201354,
"deviation": 62.180969905963046,
"volatility": 0.06028853857034597
}
},
"ranking": 16.986647782952765,
"professional": false,
"ui_class": ""
},
"description": "The tournament for the Battle Masters 2019 titles.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"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": 432000
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3516,
"name": "Game Of Stones",
"summary": "This group is no longer operated.",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 143,
"icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-09-25T01:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2019-09-25T01:00:59.868567Z",
"ended": "2020-05-29T18:05:43.503706Z",
"start_waiting": "2019-09-25T01:00:57.945393Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png",
"player_count": 18
}
]
}
