HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57700,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=428",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=426",
"results": [
{
"id": 44946,
"name": "DDK.NL Go Club - Spring Double Elimination Tournament",
"director": {
"id": 463810,
"username": "SuzieKyu",
"country": "nl",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png",
"player_count": 21
},
{
"id": 38864,
"name": "The Foreigner v Cheesemaker Tie Breaker",
"director": {
"id": 512334,
"username": "danielml01",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4d5da62e5cdaf4e31b1d5decf55b3b25-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1710.9732934153253,
"deviation": 60.45743718713286,
"volatility": 0.059894175095221755
}
},
"ranking": 27.349859166043966,
"professional": false,
"ui_class": "supporter"
},
"description": "Sudden Death Tie Breaker if the games are 1-1",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 30,
"time_control_parameters": {
"period_time": 30,
"main_time": 30,
"system": "byoyomi",
"pause_on_weekends": false,
"time_control": "byoyomi",
"periods": 5,
"speed": "live"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2509,
"name": "Kyu Clash",
"summary": "Where Kyu Level Go Streamers Face Off! https://twitch.tv/kyuclash",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 16,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/95f3017ea43d7e8447f403c39f0a9508-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-07-07T23:47:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "invite",
"started": "2018-07-07T23:47:42.210856Z",
"ended": "2018-07-08T00:12:14.897720Z",
"start_waiting": "2018-07-07T23:47:41.882022Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/95f3017ea43d7e8447f403c39f0a9508-15.png",
"player_count": 2
},
{
"id": 103782,
"name": "9x9 Mini League 1k-9k #78",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1315.2763784264448,
"deviation": 71.44010974446718,
"volatility": 0.060136995769456685
}
},
"ranking": 21.26104874888556,
"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": 673,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-06-04T19:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-06-04T15:56:47.719456Z",
"ended": "2023-07-12T21:00:23.830750Z",
"start_waiting": "2023-06-04T15:56:47.589978Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5
},
{
"id": 68918,
"name": "Sunday tournament",
"director": {
"id": 56637,
"username": "milanm",
"country": "un",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1838.8687447065042,
"deviation": 67.23337687863382,
"volatility": 0.05994411580261019
}
},
"ranking": 29.018700622314743,
"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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
"player_count": 5
},
{
"id": 39826,
"name": "English Go Clan Cup",
"director": {
"id": 527014,
"username": "deleted-fae04c4c-3738-4477-a91f-f0435f893e32",
"country": "gb",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/b243196be54f7c40b369dcf90670360e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1043.6976545990792,
"deviation": 69.08991620947712,
"volatility": 0.05998374323037165
}
},
"ranking": 15.90698683292563,
"professional": false,
"ui_class": ""
},
"description": "The English Go Clan Cup...Play and Enjoy yourself",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2748,
"name": "English Go Clan",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/74aca6b5e68bc9cae703988a2219d093-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-08-13T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-08-13T18:00:26.108752Z",
"ended": "2019-10-24T01:42:12.173729Z",
"start_waiting": "2018-08-13T18:00:24.234125Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/74aca6b5e68bc9cae703988a2219d093-15.png",
"player_count": 11
},
{
"id": 39889,
"name": "My first Go board :)",
"director": {
"id": 556274,
"username": "gohörnchen",
"country": "de",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2e45fc6dd1dec33accb87158fec982c5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1289.479812429799,
"deviation": 64.700585093802,
"volatility": 0.060041979531902934
}
},
"ranking": 20.802495253069925,
"professional": false,
"ui_class": ""
},
"description": "Hi, i get my first Go board (9x9 of course) and i want to celebrate it with you with that tournament.\n\nInvitation only :)\n\nIf you want to celebrate it with me, please join :D",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "simple",
"speed": "correspondence",
"system": "simple",
"pause_on_weekends": false,
"per_move": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2737,
"name": "Kyu Kat Tournaments",
"summary": "Tournaments for all students!",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/03a01427d04fd97f2933d9ddd540393a-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-08-15T08:00:00Z",
"players_start": 6,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2018-08-15T08:00:54.473229Z",
"ended": "2018-08-29T16:57:41.422312Z",
"start_waiting": "2018-08-15T08:00:52.406098Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/03a01427d04fd97f2933d9ddd540393a-15.png",
"player_count": 10
},
{
"id": 65580,
"name": "Brawl starts good",
"director": {
"id": 831306,
"username": "상어고양이 아빠",
"country": "kr",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/db60d9f14079d08540de384240548fd3-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1379.3147955484346,
"deviation": 65.91437466412411,
"volatility": 0.060013537153480276
}
},
"ranking": 22.361600527656655,
"professional": false,
"ui_class": ""
},
"description": "Brawl startsBrawl startsBrawl startsBrawl startsBrawl starts",
"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",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6849,
"name": "Brawl starts ",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 6,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9e33d6cff902a6de8c76c05e6f2a28ee-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-09-26T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-09-26T00:00:42.356096Z",
"ended": "2021-05-12T06:31:11.582146Z",
"start_waiting": "2020-09-26T00:00:41.919076Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9e33d6cff902a6de8c76c05e6f2a28ee-15.png",
"player_count": 11
},
{
"id": 122514,
"name": "Correspondence 9x9 RoundRobin 2024-11-24 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:20250910T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-09-10T19:00:16.002863Z",
"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": "2025-09-13T19:00:00Z",
"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": "2024-11-24T19:00:04.566316Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-11-24T19:00:05.066490Z",
"ended": "2024-11-30T08:42:55.327901Z",
"start_waiting": "2024-11-24T19:00:04.802600Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 5
},
{
"id": 39365,
"name": "Correspondence 13x13 RoundRobin 2018-07-25 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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20250909T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-09-09T19:00:15.811695Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 13,
"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": "2025-09-12T19:00:00Z",
"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": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-07-25T01:00:09.450267Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-07-25T01:00:39.815128Z",
"ended": "2018-10-02T12:16:45.313846Z",
"start_waiting": "2018-07-25T01:00:36.202306Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 7
},
{
"id": 120179,
"name": "Ottobre Cup",
"director": {
"id": 1055696,
"username": "deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216",
"country": "it",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/c176d6849a1892b9017c85f548813837-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1520.9618235200285,
"deviation": 65.86233200519976,
"volatility": 0.05999729225859075
}
},
"ranking": 24.624653373951272,
"professional": false,
"ui_class": ""
},
"description": "Fast tournament",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 12602,
"name": "The Black Mamba GO Club",
"summary": "Join the group if you want to have competitive tournaments like Kobe Bryant (The black mamba) did in his basketball career (NBA) . RIP Kobe.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 18,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/273fd26c5b1b4a454ba968da7ec89540-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-10-01T15:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-10-01T15:00:58.596492Z",
"ended": "2024-11-19T13:43:03.874189Z",
"start_waiting": "2024-10-01T15:00:58.411156Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/273fd26c5b1b4a454ba968da7ec89540-15.png",
"player_count": 5
}
]
}