HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58700,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5113",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5111",
"results": [
{
"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": 6245,
"name": "The OG Tourney",
"director": {
"id": 111741,
"username": "UnitedStatesofAmerica",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/16aa5bc8aad867947c0942d157848bd4?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1361.031237358315,
"deviation": 78.84673389850367,
"volatility": 0.06003358694276174
}
},
"ranking": 22.052682859752277,
"professional": false,
"ui_class": ""
},
"description": "This is just a fun round robin tourney.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 96000,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 864000,
"max_time": 1296000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 78,
"name": "OGS Mini Tournaments",
"summary": "The home for all of the old OGS mini tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 381,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2015-04-01T21:20:00Z",
"players_start": 10,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-04-11T01:54:30.494293Z",
"ended": "2016-01-28T18:37:44.079631Z",
"start_waiting": "2015-04-11T01:54:30.066652Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 6,
"ranked": true
},
{
"id": 110947,
"name": "9x9 Mini League 5k-15k #57",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1295.3063181482353,
"deviation": 72.20008330498726,
"volatility": 0.060145531656261485
}
},
"ranking": 20.90686275508034,
"professional": false,
"ui_class": ""
},
"description": "Special league for players between 15kyu and 5kyu. 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": 686,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-12-31T20:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 25,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-12-26T23:05:43.079660Z",
"ended": "2024-01-16T03:29:17.672258Z",
"start_waiting": "2023-12-26T23:05:42.914823Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 58439,
"name": "Simple Correspondence 19x19 ALL 2020 April",
"director": {
"id": 732922,
"username": "woolpark",
"country": "us",
"icon": "https://user-uploads.online-go.com/c9b9a16afe87a94e5a79c216c5b7f9b4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1448.2613456324239,
"deviation": 74.13670102782378,
"volatility": 0.059982418884699545
}
},
"ranking": 23.490786089025057,
"professional": false,
"ui_class": ""
},
"description": "2 days per move.\n\nNo analysis. Counting is good for you.\n\nEnjoy!",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": false,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 5017,
"name": "Simple Correspondence",
"summary": "2 days per move. No Analysis.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 67,
"icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-04-08T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-04-08T21:00:42.453574Z",
"ended": "2020-07-14T23:30:46.706165Z",
"start_waiting": "2020-04-08T21:00:37.094444Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.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": 106551,
"name": "sofie 岑老師",
"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": "sofie 岑老師",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 32,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 1500,
"period_time": 20,
"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": "2023-08-18T07:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2023-08-18T06:41:30.128453Z",
"ended": "2023-08-18T07:14:24.400352Z",
"start_waiting": "2023-08-18T06:41:30.078861Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2,
"ranked": true
},
{
"id": 59566,
"name": "Mill Cats Invitational I",
"director": {
"id": 486499,
"username": "gx9234",
"country": "st",
"icon": "https://secure.gravatar.com/avatar/12a7bf90f13012d90f0c2e9e9d51d381?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1350.5821525802473,
"deviation": 63.442470236174756,
"volatility": 0.06002507848587301
}
},
"ranking": 21.874266931554715,
"professional": false,
"ui_class": ""
},
"description": "Another tournament - round robin; first of the 2020 season.",
"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": false,
"group": {
"id": 1955,
"name": "Mill Cats Go",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 12,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2020-04-26T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2020-04-27T10:56:39.977363Z",
"ended": "2020-05-13T19:22:38.410088Z",
"start_waiting": "2020-04-27T10:56:39.793700Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 3,
"ranked": true
},
{
"id": 105009,
"name": "Go play",
"director": {
"id": 1360542,
"username": "Andre_Must-2012",
"country": "ru",
"icon": "https://secure.gravatar.com/avatar/69c8b2948ffe85f467887509a91f858a?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 712.3498572311165,
"deviation": 71.5134909420985,
"volatility": 0.05996310365301901
}
},
"ranking": 7.064706350094327,
"professional": false,
"ui_class": ""
},
"description": "Go play with your friends",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 40,
"period_time": 10,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"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": 17625,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-07-03T17:07:00Z",
"players_start": 3,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-07-03T17:07:57.501487Z",
"ended": "2023-07-03T17:17:38.394943Z",
"start_waiting": "2023-07-03T17:07:57.421666Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 3,
"ranked": true
},
{
"id": 54157,
"name": "Beginner tournament 2020",
"director": {
"id": 681206,
"username": "the loser",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/cb9be7042776ad032de2e680e0e05d68-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1326.362270791935,
"deviation": 64.05772890157435,
"volatility": 0.060093816157454245
}
},
"ranking": 21.455352322496815,
"professional": false,
"ui_class": ""
},
"description": "Beginners can practice playing go.",
"schedule": null,
"title": null,
"tournament_type": "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": 4032,
"name": "Wu Family",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 4,
"icon": "https://user-uploads.online-go.com/7afdf4487b5624b1881ad26cae5f7e58-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-01-01T11:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 13,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-01-01T11:00:54.316741Z",
"ended": "2020-12-12T08:39:16.050311Z",
"start_waiting": "2020-01-01T11:00:52.988231Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7afdf4487b5624b1881ad26cae5f7e58-15.png",
"player_count": 22,
"ranked": true
},
{
"id": 69098,
"name": "Correspondence 19x19 RoundRobin 2020-12-19 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:20251213T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-12-13T19:00:16.114065Z",
"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": "2025-12-16T19:00:00Z",
"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": "2020-12-19T19:00:24.141221Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-12-19T19:00:29.529027Z",
"ended": "2021-05-12T06:45:00.393441Z",
"start_waiting": "2020-12-19T19:00:27.046935Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10,
"ranked": true
}
]
}
