HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58754,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5172",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5170",
"results": [
{
"id": 437,
"name": "Paulerik's mini-tournament",
"director": {
"id": 9461,
"username": "Paulerik",
"country": "dk",
"icon": "https://secure.gravatar.com/avatar/65389ab9cfad407f114a3cba99957e42?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1661.1627447040696,
"deviation": 67.30789978425837,
"volatility": 0.059977671445615964
}
},
"ranking": 26.66590213337984,
"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": 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": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-05-22T01:25:54Z",
"ended": "2008-05-21T23:25:54Z",
"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,
"ranked": true
},
{
"id": 82421,
"name": "Blitz 13x13 Swiss Tournament 2021-11-12 19:30",
"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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251220T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-20T07:00:55.466995Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-20T11:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2021-11-12T19:30:13.142673Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-11-12T19:30:14.287885Z",
"ended": "2021-11-12T20:11:47.917376Z",
"start_waiting": "2021-11-12T19:30:14.149782Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 6,
"ranked": true
},
{
"id": 94007,
"name": "Prosto tyrnir . -___-",
"director": {
"id": 1145806,
"username": "YT_Mr. Hosi",
"country": "ru",
"icon": "https://user-uploads.online-go.com/21b416fe0f4a7a32cca71355af09a5eb-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1269.967313913865,
"deviation": 66.18287701360585,
"volatility": 0.059937188173005744
}
},
"ranking": 20.449510354362694,
"professional": false,
"ui_class": ""
},
"description": "Len perevodit text takes chto prosto tyrnir",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 21,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 15,
"initial_time": 600,
"max_time": 900
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 12100,
"name": "GoBanDit+",
"summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
"require_invitation": true,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 65,
"icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-09-03T09:30:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-09-03T09:30:08.869813Z",
"ended": "2022-09-03T10:01:05.943846Z",
"start_waiting": "2022-09-03T09:30:08.704168Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-15.png",
"player_count": 7,
"ranked": true
},
{
"id": 82314,
"name": "9x9 D.E. 11/13/2021 🦎",
"director": {
"id": 584481,
"username": "Mulsiphix",
"country": "us",
"icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1723.508332937557,
"deviation": 67.30621035483453,
"volatility": 0.06024145341136911
}
},
"ranking": 27.51884388340188,
"professional": false,
"ui_class": "supporter"
},
"description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Humdrum Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<hr>\n\nTournaments are a great way to locate players who are more competitive than your average opponent. A big part of improving your own skills is to have them tested by capable challengers. If you would like to be a part of more New Zealand rule set tournaments, check out our group for weekly opportunities.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "nz",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 432000
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3207,
"name": "New Zealand Tournaments",
"summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 592,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-11-14T02:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-11-16T13:28:44.319296Z",
"ended": "2022-03-13T17:01:53.673092Z",
"start_waiting": "2021-11-16T13:28:44.065730Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 81672,
"name": "Live 19x19 Swiss Tournament 2021-10-24 12:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251220T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-20T04:00:55.463438Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-20T08:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2021-10-24T12:30:56.026753Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-10-24T12:30:57.400564Z",
"ended": "2021-10-24T13:16:51.356880Z",
"start_waiting": "2021-10-24T12:30:57.278670Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6,
"ranked": true
},
{
"id": 91857,
"name": "Open to all - Double Elimination 19x19",
"director": {
"id": 987760,
"username": "deleted-f41b36e6-1556-4899-a775-dc2c1cd9ebb4",
"country": "ca",
"icon": "https://user-uploads.online-go.com/ec04439eea132df85e433a87c1f8a3c0-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2106.117124550817,
"deviation": 68.03535601314194,
"volatility": 0.05996971658182498
}
},
"ranking": 32.16005045129194,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone & welcome. I really like double elimination tournaments, but they seem few and far between on OGS. So I've made one.\n\nHopefully enough people will sign up that I can make this into a regular monthly event!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 1843,
"name": "Open Study Room",
"summary": "Community of go players who play long serious games in leagues, study together, set up lectures.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1803,
"icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-08-01T17:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-08-01T17:00:38.980244Z",
"ended": "2024-11-06T00:19:27.209341Z",
"start_waiting": "2022-08-01T17:00:38.294108Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-15.png",
"player_count": 47,
"ranked": true
},
{
"id": 132767,
"name": "1st Yeonwoo-Pro Open",
"director": {
"id": 661209,
"username": "GomezAlvaEs",
"country": "es",
"icon": "https://user-uploads.online-go.com/f14d8df8aa0df41e539d7c00d9640806-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1278.6911941832313,
"deviation": 65.9021580852292,
"volatility": 0.05993731633055299
}
},
"ranking": 20.607992643255287,
"professional": false,
"ui_class": ""
},
"description": "Celebrating the comeback to this group activities, we welcome the 1st Yeonwoo-Pro Open.\n\nPlease join and enjoy :D",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 42,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 1500,
"period_time": 30,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8313,
"name": "Yeonwoo-pro Official Fan Club",
"summary": "Korean baduk professional Yeonwoo fan club.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 130,
"icon": "https://user-uploads.online-go.com/fbad9076f90747ac145923b496b6022a-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-09-25T19:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2025-09-27T07:27:28.782538Z",
"ended": "2025-09-27T08:20:54.136239Z",
"start_waiting": "2025-09-27T07:27:28.698525Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fbad9076f90747ac145923b496b6022a-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 1490,
"name": "Kohalander's mini-tournament",
"director": {
"id": 34194,
"username": "Kohalander",
"country": "ru",
"icon": "https://secure.gravatar.com/avatar/c3595f61bc1141ad109689e6c033c53d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1672.7361155159622,
"deviation": 64.80422778167461,
"volatility": 0.059971191625710706
}
},
"ranking": 26.826629630982424,
"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": 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": 11,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-08-05T15:03:48Z",
"ended": "2011-08-05T13:03:48Z",
"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,
"ranked": true
},
{
"id": 87090,
"name": "Blitz 13x13 Swiss Tournament 2022-03-10 19:30",
"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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251220T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-20T07:00:55.466995Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-20T11:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2022-03-10T19:30:14.643945Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-03-10T19:30:15.790619Z",
"ended": "2022-03-10T20:13:43.233877Z",
"start_waiting": "2022-03-10T19:30:15.478857Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 8,
"ranked": true
},
{
"id": 107,
"name": "holywarrior's tournament of the mighty",
"director": {
"id": 2888,
"username": "holywarrior",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/281065e5a9c2a99ec2908564c4abcbf4?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1562.5212201311695,
"deviation": 64.26190143848615,
"volatility": 0.06003171395128944
}
},
"ranking": 25.24872575061682,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 172800,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"time_increment": 172800
},
"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": 19,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2006-06-26T17:36:00Z",
"ended": "2006-10-30T23:08:00Z",
"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,
"ranked": true
}
]
}
