HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57805,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=46",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=44",
"results": [
{
"id": 2539,
"name": "Title match for: Tianyuan Main Title Tournament 2009",
"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": "Title match for: Tianyuan Main Title Tournament 2009 (Uberdude vs KyuT)",
"schedule": null,
"title": {
"id": 13,
"name": "Tianyuan Main Title Tournament",
"holder": {
"id": 43936,
"username": "Sadaharu",
"country": "sg",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7c560149f1de7fce503f52c3c38cdb3e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2319.8140359965146,
"deviation": 78.77111370328804,
"volatility": 0.06031401620677662
}
},
"ranking": 34.397289571326354,
"professional": false,
"ui_class": "supporter"
},
"rules": "chinese",
"tournament_type": "s_mcmahon"
},
"tournament_type": "s_title",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"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": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2009-10-01T21:00:45Z",
"ended": "2012-06-10T02:06:58Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_19.png",
"player_count": 0
},
{
"id": 378,
"name": "Ildefonse's mini-tournament",
"director": {
"id": 14979,
"username": "Ildefonse",
"country": "nz",
"icon": "https://secure.gravatar.com/avatar/3aa5cab987c7d0f4d76a7e582dd8c706?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2005.4419496289436,
"deviation": 68.62292313097913,
"volatility": 0.059958654113601226
}
},
"ranking": 31.026127183622968,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"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": 380,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 19,
"max_ranking": 29,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2007-12-06T18:05:00Z",
"ended": "2008-02-24T09:00:00Z",
"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
},
{
"id": 2541,
"name": "Title match for: Honinbo Main Title Tournament 2010",
"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": "Title match for: Honinbo Main Title Tournament 2010 (Elin vs Uberdude)",
"schedule": null,
"title": {
"id": 4,
"name": "Honinbo Main Title Tournament",
"holder": {
"id": 35184,
"username": "vitality",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/17d676429b5c6ec38fb06cf71f8662fa?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2742.437357137692,
"deviation": 68.19500547415998,
"volatility": 0.059852958448327415
}
},
"ranking": 38,
"professional": false,
"ui_class": ""
},
"rules": "japanese",
"tournament_type": "s_mcmahon"
},
"tournament_type": "s_title",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"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": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2010-04-01T21:00:25Z",
"ended": "2012-12-02T11:15:39Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/honinbo_19.png",
"player_count": 0
},
{
"id": 2543,
"name": "Title match for: Mingren Main Title Tournament 2010",
"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": "Title match for: Mingren Main Title Tournament 2010 (Elin vs Rathbone)",
"schedule": null,
"title": {
"id": 10,
"name": "Mingren Main Title Tournament",
"holder": {
"id": 48681,
"username": "gogop2016",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/35495de00a8e17adf5d8a9a9d241565d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2035.1561101134394,
"deviation": 64.11226294350045,
"volatility": 0.05987887663756385
}
},
"ranking": 31.366618965112558,
"professional": false,
"ui_class": ""
},
"rules": "chinese",
"tournament_type": "s_elimination"
},
"tournament_type": "s_title",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"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": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2010-08-01T13:53:19Z",
"ended": "2013-04-01T02:33:04Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/mingren_19.png",
"player_count": 0
},
{
"id": 3033,
"name": "Sitewide July 2014 Beginners Round Robin",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1555.979081964343,
"deviation": 62.49953502167467,
"volatility": 0.05973229196401724
}
},
"ranking": 25.151595267328478,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "Enjoy!",
"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": 172800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"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": 10,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-07-24T13:56:19.907479Z",
"ended": "2014-09-08T17:02:06.039333Z",
"start_waiting": "2014-07-24T13:56:17.237001Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 0
},
{
"id": 16145,
"name": "Reddit Round Robin Handicap Correspondence - 6k-6d",
"director": {
"id": 963,
"username": "thouis",
"country": "_LGBT",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1300.432981025154,
"deviation": 64.22316109434941,
"volatility": 0.059578732426836284
}
},
"ranking": 20.99830676099815,
"professional": false,
"ui_class": "supporter"
},
"description": "Reddit Round Robin Handicap Correspondence - 6k-6d",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"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": 2271,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
},
"auto_start_on_max": true,
"time_start": "2016-04-05T12:10:14.216377Z",
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 24,
"max_ranking": 35,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-04-05T12:11:00.179386Z",
"ended": "2016-06-15T19:58:33.534917Z",
"start_waiting": "2016-04-05T12:10:59.926913Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
"player_count": 4
},
{
"id": 5201,
"name": "Blitz 19x19 Elimination Tournament 2015-02-19 21:30",
"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": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20250921T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-21T13:00:08.848720Z",
"lead_time_seconds": 1800,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-09-21T17:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2015-02-19T21:30:17.549184Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2015-02-19T21:31:19.241786Z",
"ended": "2015-02-19T21:58:33.490716Z",
"start_waiting": "2015-02-19T21:31:19.165302Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4
},
{
"id": 3028,
"name": "Sitewide July 2014 SDKs Round Robin",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1555.979081964343,
"deviation": 62.49953502167467,
"volatility": 0.05973229196401724
}
},
"ranking": 25.151595267328478,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "Enjoy!",
"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": 172800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-07-24T13:56:44.547768Z",
"ended": "2014-11-01T15:39:29.543763Z",
"start_waiting": "2014-07-24T13:56:39.657160Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 0
},
{
"id": 3029,
"name": "Sitewide July 2014 DDKs Round Robin",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1555.979081964343,
"deviation": 62.49953502167467,
"volatility": 0.05973229196401724
}
},
"ranking": 25.151595267328478,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "Enjoy!",
"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": 172800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 11,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-07-23T12:30:49.242458Z",
"ended": "2014-11-16T23:31:47.298609Z",
"start_waiting": "2014-07-23T12:30:47.537831Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 0
},
{
"id": 3260,
"name": "UGC Winter",
"director": {
"id": 73321,
"username": "Alko",
"country": "ua",
"icon": "https://secure.gravatar.com/avatar/0407c96c0ff6d770bfacbc590c798b3e?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1439.827409463775,
"deviation": 64.92503565859334,
"volatility": 0.060012258900592336
}
},
"ranking": 23.355578210132148,
"professional": false,
"ui_class": ""
},
"description": "Зимний сезон начнётся после того, когда все места будут заняты",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 262080,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 347,
"name": "Ukrainian Go Club",
"summary": "Группа для любителей поиграть в своё удовольствие. (Group for fans to play for fun).",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 147,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/394b5607e9a987631627520b966e4c28-64.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": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2014-12-02T14:08:59.677485Z",
"ended": "2015-05-07T14:56:12.396704Z",
"start_waiting": "2014-12-02T14:08:56.656824Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/394b5607e9a987631627520b966e4c28-15.png",
"player_count": 0
}
]
}
