HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57740,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=5708",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=5706",
"results": [
{
"id": 124963,
"name": "Live 9x9 Double Elimination Tournament 2025-02-01 22:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20250915T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-09-15T06:00:34.492986Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"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": "2025-09-15T10:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 41,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2025-02-01T22:30:23.300370Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2025-02-01T22:31:23.381963Z",
"ended": "2025-02-01T22:59:00.414368Z",
"start_waiting": "2025-02-01T22:31:23.307133Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 5
},
{
"id": 75228,
"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": 1884.4884327716775,
"deviation": 66.25658160270198,
"volatility": 0.0599384751547419
}
},
"ranking": 29.586010487983796,
"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": 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": 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": "2021-05-16T17:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-05-16T17:01:05.151135Z",
"ended": "2021-05-16T17:48:20.292848Z",
"start_waiting": "2021-05-16T17:01:04.898572Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
"player_count": 9
},
{
"id": 1445,
"name": "Hitotsu's mini-tournament",
"director": {
"id": 33535,
"username": "Hitotsu",
"country": "ua",
"icon": "https://secure.gravatar.com/avatar/e4a998960bbd85a811e943b483a1e4dc?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1262.697698155386,
"deviation": 71.2908016735676,
"volatility": 0.06001504822544513
}
},
"ranking": 20.316613136462667,
"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": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"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": 0,
"max_ranking": 8,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-06-09T20:15:46Z",
"ended": "2011-06-09T18:15:46Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 1443,
"name": "touko's mini-tournament",
"director": {
"id": 32664,
"username": "touko",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/8a7a965110d24ef7bcb421a13c134dd2?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2010.3845942788892,
"deviation": 68.34455638054713,
"volatility": 0.06016667784216901
}
},
"ranking": 31.083112852786034,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"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": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-05-24T12:23:27Z",
"ended": "2011-05-24T10:23:27Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 125128,
"name": "Surprise 9x9 tournament",
"director": {
"id": 1672844,
"username": "deleted-b9b59e78-7fe2-421b-9592-08ffce621348",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/50b661e8675f0399df4a903957995b4b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 800.7266229935348,
"deviation": 70.04385716130463,
"volatility": 0.060331232367038926
}
},
"ranking": 9.772108826139116,
"professional": false,
"ui_class": ""
},
"description": "It’s been about two months, let’s celebrate 🎊",
"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": 10,
"initial_time": 600,
"max_time": 3600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 14868,
"name": "Study group 9x9, 13x13, 19x19",
"summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 68,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-02-06T14:30:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-02-06T14:30:24.034850Z",
"ended": "2025-02-06T15:25:32.335851Z",
"start_waiting": "2025-02-06T14:30:23.951073Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png",
"player_count": 8
},
{
"id": 1440,
"name": "H9",
"director": {
"id": 7781,
"username": "ThornsFan",
"country": "_LGBT",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4df0f17546b2749c9896c4ae9a13c66d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1354.3923233173057,
"deviation": 63.21881428744481,
"volatility": 0.05974655090980798
}
},
"ranking": 21.939484190856003,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 432000,
"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": 12,
"max_ranking": 24,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-05-18T01:49:02Z",
"ended": "2011-05-17T23:49:02Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 1439,
"name": "varcos's 4th 9X9 mini-tournament",
"director": {
"id": 34734,
"username": "varcos",
"country": "ro",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9521e434b5969d7c96058055f4baca35-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1312.659630493207,
"deviation": 60.8282737450268,
"volatility": 0.06002489554547676
}
},
"ranking": 21.21494584952282,
"professional": false,
"ui_class": "supporter"
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"is_open": false,
"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": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-04-27T12:45:54Z",
"ended": "2011-04-27T10:45:54Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 111295,
"name": "Live 9x9 Double Elimination Tournament 2024-01-03 18:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20250915T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-09-15T06:00:34.492986Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"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": "2025-09-15T10:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 41,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2024-01-03T18:30:47.217160Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-01-03T18:31:47.516689Z",
"ended": "2024-01-03T19:37:31.554369Z",
"start_waiting": "2024-01-03T18:31:47.227376Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 14
},
{
"id": 79871,
"name": "Live 9x9 Double Elimination Tournament 2021-09-09 06:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20250915T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-09-15T06:00:34.492986Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"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": "2025-09-15T10:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 33,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2021-09-09T06:30:09.958492Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-09-09T06:30:11.580728Z",
"ended": "2021-09-09T07:08:29.204730Z",
"start_waiting": "2021-09-09T06:30:11.211113Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 6
},
{
"id": 1458,
"name": "Gogiuk's mini-tournament",
"director": {
"id": 31916,
"username": "Gogiuk",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/aad3c145a48af16f58040b984866b038?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1794.052728212415,
"deviation": 65.84033093663335,
"volatility": 0.06019799426864397
}
},
"ranking": 28.44751105906552,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 259200,
"time_control_parameters": {
"time_control": "simple",
"per_move": 259200
},
"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": 0,
"max_ranking": 20,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-06-30T07:42:54Z",
"ended": "2011-06-30T05:42:54Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
}
]
}