HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58692,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5111",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5109",
"results": [
{
"id": 104892,
"name": "9x9 DDK tournament #1",
"director": {
"id": 1067981,
"username": "Averyw123",
"country": "nz",
"icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1274.6513862158752,
"deviation": 65.37626830930803,
"volatility": 0.06010299986513658
}
},
"ranking": 20.534738366137827,
"professional": false,
"ui_class": "supporter"
},
"description": "Have fun! More details at https://online-go.com/group/10855",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"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": true,
"group": {
"id": 10855,
"name": "⚫️The Brilliant World Of OGS⚪️",
"summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 192,
"icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-07-02T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-07-02T21:00:57.547823Z",
"ended": "2023-09-18T12:32:59.603919Z",
"start_waiting": "2023-07-02T21:00:57.268911Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 60102,
"name": "P20 Round Robin",
"director": {
"id": 754540,
"username": "GoJCH",
"country": "_Pirate",
"icon": "https://secure.gravatar.com/avatar/ac7a6ded5b73a9c38896e7ef280dfda1?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1536.524728619674,
"deviation": 62.3772930038641,
"volatility": 0.05978548482963749
}
},
"ranking": 24.86032693030646,
"professional": false,
"ui_class": ""
},
"description": "Round Robin on 13x13 7 Days per Match",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 91200,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 432000,
"period_time": 86400,
"periods": 2
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 5587,
"name": "Polegate20",
"summary": "",
"require_invitation": false,
"is_public": false,
"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": "2020-05-11T07:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-05-11T07:00:07.488826Z",
"ended": "2020-05-26T11:11:43.518487Z",
"start_waiting": "2020-05-11T07:00:06.636919Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4,
"ranked": true
},
{
"id": 55284,
"name": "Subotica",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 829.3659685300282,
"deviation": 63.70829844524693,
"volatility": 0.05991115081900641
}
},
"ranking": 10.585644305711897,
"professional": false,
"ui_class": ""
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 91200,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 432000,
"period_time": 86400,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 27,
"name": "Serbian Go Players",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 79,
"icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-01-03T16:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 12,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-01-03T16:00:09.537108Z",
"ended": "2020-04-01T14:03:02.518357Z",
"start_waiting": "2020-01-03T16:00:08.845717Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 56280,
"name": "Correspondence Round-Robin - No Handicap - 14-11kyu",
"director": {
"id": 963,
"username": "thouis",
"country": "_LGBT",
"icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1312.0977408002827,
"deviation": 63.905269604233474,
"volatility": 0.05957681327733851
}
},
"ranking": 21.205034269327133,
"professional": false,
"ui_class": "supporter"
},
"description": "Correspondence Round-Robin - No Handicap - 14-11kyu",
"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",
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 38,
"name": "reddit",
"summary": "/r/baduk",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 2275,
"icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-02-11T01:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 16,
"max_ranking": 19,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-02-10T11:57:48.770167Z",
"ended": "2020-08-16T19:37:36.268015Z",
"start_waiting": "2020-02-10T11:57:44.642525Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 134121,
"name": "Correspondence 9x9 RoundRobin 2025-11-07 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 Site-wide Tournament",
"schedule": {
"id": 5,
"name": "Correspondence 9x9 RoundRobin",
"rrule": "DTSTART:20251215T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-15T19:01:06.957636Z",
"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": "2025-12-18T19:00:00Z",
"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": "2025-11-07T19:00:32.511273Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-11-07T19:00:32.800024Z",
"ended": null,
"start_waiting": "2025-11-07T19:00:32.664816Z",
"board_size": 9,
"active_round": 1,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 4,
"ranked": true
},
{
"id": 44946,
"name": "DDK.NL Go Club - Spring Double Elimination Tournament",
"director": {
"id": 463810,
"username": "SuzieKyu",
"country": "nl",
"icon": "https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1171.4995125731932,
"deviation": 63.025646037873635,
"volatility": 0.06000597450469722
}
},
"ranking": 18.5811525604583,
"professional": false,
"ui_class": ""
},
"description": "Our seasonal Double Elimination Tournament.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2979,
"name": "Internatio.NL Go Club",
"summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 64,
"icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-02-28T23:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-02-28T23:00:41.524721Z",
"ended": "2021-03-26T08:32:46.060425Z",
"start_waiting": "2019-02-28T23:00:40.482570Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png",
"player_count": 21,
"ranked": true
},
{
"id": 27723,
"name": "fhhhgchhccdggbf",
"director": {
"id": 444819,
"username": "123234345456567678789091",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/557bf03d32c595df23e5bcd4fd336d06?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 546.2168954774668,
"deviation": 94.1537742199999,
"volatility": 0.05997408251603829
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "hcfgjkgbbhhcfgffgfgbbgkklljgdsrfch",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 10,
"time_control_parameters": {
"time_control": "simple",
"speed": "live",
"system": "simple",
"pause_on_weekends": false,
"per_move": 10
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 727,
"name": "Siriraj Go!",
"summary": "เฉพาะศิริราชเท่านั้นนะครับ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 14,
"icon": "https://user-uploads.online-go.com/1c4f2a613b43935370d3f42ea1e4a575-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-06-04T22:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-06-04T22:00:18.737981Z",
"ended": "2017-06-04T22:02:07.063038Z",
"start_waiting": "2017-06-04T22:00:18.102957Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/1c4f2a613b43935370d3f42ea1e4a575-15.png",
"player_count": 2,
"ranked": true
},
{
"id": 57422,
"name": "Fast Correspondence DDK 2020-03-21",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1588.1543621874353,
"deviation": 62.71960340021569,
"volatility": 0.05973071323930564
}
},
"ranking": 25.625419774662372,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled mainly to allow the use of conditional moves.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 30720,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 28800,
"initial_time": 172800,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 508,
"name": "Fast Correspondence",
"summary": "Tournaments for people who like to play quick correspondence games.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 801,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-03-21T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-03-21T00:00:20.982419Z",
"ended": "2020-04-21T21:03:09.437874Z",
"start_waiting": "2020-03-21T00:00:17.603276Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 68918,
"name": "Sunday tournament",
"director": {
"id": 56637,
"username": "milanm",
"country": "un",
"icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1760.901778196,
"deviation": 64.20781344558438,
"volatility": 0.05993889683223041
}
},
"ranking": 28.015738028757045,
"professional": false,
"ui_class": "supporter aga"
},
"description": "weekly 9x9 tournament",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 120,
"max_time": 120
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 5803,
"name": "Massachusetts Go Foundation",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 49,
"icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-12-13T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-12-13T18:00:21.166520Z",
"ended": "2020-12-13T18:23:53.588612Z",
"start_waiting": "2020-12-13T18:00:20.839646Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 100678,
"name": "快乐的一天 第五季",
"director": {
"id": 1066263,
"username": "Wc100",
"country": "hk",
"icon": "https://user-uploads.online-go.com/c5644483e9b766f9f7cff8b48c81d6f2-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 806.2653841176599,
"deviation": 74.38583798687353,
"volatility": 0.060015394449862446
}
},
"ranking": 9.931689990449012,
"professional": false,
"ui_class": ""
},
"description": "每月最后一个星期天的比赛\nHAPPY DAY S5",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 194133,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 604800,
"period_time": 172800,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10348,
"name": "Wc111",
"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": "2023-03-26T07:00:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-03-26T07:00:06.667562Z",
"ended": "2023-07-17T19:18:18.383484Z",
"start_waiting": "2023-03-26T07:00:06.588598Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 7,
"ranked": true
}
]
}
