HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58727,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=419",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=417",
"results": [
{
"id": 83850,
"name": "Traditional New Year Tournement",
"director": {
"id": 371957,
"username": "Hendrik3.14",
"country": "eu",
"icon": "https://user-uploads.online-go.com/cbe9a889907738d301eae59f5299dbc5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1384.3273209973543,
"deviation": 62.647034629627456,
"volatility": 0.05986584162224104
}
},
"ranking": 22.44557673477233,
"professional": false,
"ui_class": ""
},
"description": "So.\nNew Year New Tournement I guess.",
"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": true,
"group": {
"id": 1918,
"name": "League of Leeches🐌🐍",
"summary": "https://online-go.com/game/9051373",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 9,
"icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-01-01T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-01-01T18:00:03.837959Z",
"ended": "2022-03-14T12:44:56.876642Z",
"start_waiting": "2022-01-01T18:00:02.822422Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 115162,
"name": "Esperantista Go-Ligo Internacia 2024",
"director": {
"id": 613840,
"username": "mori_kin",
"country": "jp",
"icon": "https://secure.gravatar.com/avatar/1cdbfef25999fbba61e21e066f590f08?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1920.1056653052742,
"deviation": 71.62103389745417,
"volatility": 0.05999378346989765
}
},
"ranking": 30.019466988607537,
"professional": false,
"ui_class": ""
},
"description": "8 ludantoj nur el membroj de Esperantejo,\nSur 19x19 tablo, sub japana regularo. \n\nSvisa tipo, kun aŭtomataj handikapoj",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": -1,
"rules": "japanese",
"time_per_move": 88451,
"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": 137,
"name": "Esperantejo",
"summary": "Por esperanta go luduloj",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 104,
"icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-05-01T13:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2024-05-03T04:26:49.404388Z",
"ended": "2024-12-08T21:28:02.054053Z",
"start_waiting": "2024-05-03T04:26:49.184494Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 85475,
"name": "แข่งพร้อมกัน",
"director": {
"id": 564908,
"username": "Sarawoot Kanya",
"country": "th",
"icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1360.28396299626,
"deviation": 67.21540421631697,
"volatility": 0.06068890926047249
}
},
"ranking": 22.039968858879362,
"professional": false,
"ui_class": ""
},
"description": "แข่งพร้อมกัน",
"schedule": null,
"title": null,
"tournament_type": "s_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": false,
"group": {
"id": 5893,
"name": "Go Family",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 147,
"icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-01-30T04:10:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2022-01-30T04:10:04.091089Z",
"ended": "2022-01-30T04:53:15.125163Z",
"start_waiting": "2022-01-30T04:10:03.876542Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 41363,
"name": "1. Tournament of Friends!",
"director": {
"id": 282118,
"username": "seminyoon1",
"country": "us",
"icon": "https://user-uploads.online-go.com/559a42d1b335fa6b2a994b3899c6ef45-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1988.0842148528118,
"deviation": 63.02988546107225,
"volatility": 0.05983297452021233
}
},
"ranking": 30.8248844352425,
"professional": false,
"ui_class": ""
},
"description": "Will Seminyoon1 ever win a correspondence tournament?\nWill friendships be broken? Is anybody going to bother reading this?\nFind out at the Tournament of Friends!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 44640,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 129600,
"max_time": 259200,
"time_increment": 43200,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2909,
"name": "Seminyoon1's Group",
"summary": "Join if you like seminyoon1. Or hate him. :)",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 42,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2018-10-10T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-10-10T21:00:23.352764Z",
"ended": "2019-03-21T12:19:13.586011Z",
"start_waiting": "2018-10-10T21:00:22.477847Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 17,
"ranked": true
},
{
"id": 80864,
"name": "9x9 Double Elimination🦕",
"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 ‘Daredevil 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><BR>\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": 59520,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 57600,
"initial_time": 172800,
"max_time": 259200
},
"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": "2030-12-26T02:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-05-15T15:53:22.793906Z",
"ended": "2022-06-19T22:00:43.785768Z",
"start_waiting": "2022-05-15T15:53:22.634230Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 133191,
"name": "Handicap Arena 2025 - 082",
"director": {
"id": 526987,
"username": "Gia",
"country": "gr",
"icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1152.5226681070055,
"deviation": 63.42823882480412,
"volatility": 0.0600783676463056
}
},
"ranking": 18.20308068378928,
"professional": false,
"ui_class": "supporter"
},
"description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 88451,
"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": 13655,
"name": "Handicap Arena",
"summary": "Organising arena-type handicap correspondence tournaments.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 99,
"icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-10-12T15:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-10-11T09:41:32.261768Z",
"ended": null,
"start_waiting": "2025-10-11T09:41:32.096523Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 109644,
"name": "Boonwattana E-Sport #1",
"director": {
"id": 1374405,
"username": "amnuay",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/dcd00b563ae91ce041f05be5fc124558?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1500,
"deviation": 350,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"description": "Time For Play Bwn School",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 91187,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 604800,
"period_time": 86400,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 13784,
"name": "BWN E-Sport&Board Game Club",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": true,
"hide_details": true,
"member_count": 1,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2023-11-15T15:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"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
},
{
"id": 82780,
"name": "OGC Friendship Tournament",
"director": {
"id": 138181,
"username": "Clossius",
"country": "us",
"icon": "https://user-uploads.online-go.com/423037a54347a4a9a1ae2eaf15ceea96-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2009.108246484941,
"deviation": 62.20658121414229,
"volatility": 0.06018656363339447
}
},
"ranking": 31.068410772900062,
"professional": false,
"ui_class": "supporter"
},
"description": "No prizes or rewards. Simply a tournament among friends. Play and have fun!\n\nI encourage the use of the OGC Voice channels to hang out! This tournament is to foster friendships so let's make friends!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 30,
"periods": 5
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2144,
"name": "The Online Go Club",
"summary": "A fun group for players to play and make friends!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 245,
"icon": "https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-11-27T17:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-12-01T08:26:23.957044Z",
"ended": "2021-12-01T08:51:47.920577Z",
"start_waiting": "2021-12-01T08:26:23.856360Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 72781,
"name": "11 Lines: Unusual Board Sizes Series",
"director": {
"id": 109488,
"username": "DVbS78rkR7NVe",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2026.1476299885521,
"deviation": 66.05609734432652,
"volatility": 0.059874270189468615
}
},
"ranking": 31.26391960044579,
"professional": false,
"ui_class": ""
},
"description": "Join the group for more cat tournaments ^__^",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"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": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6124,
"name": "Leopard's Resting Tree",
"summary": "A little corner for cat tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 311,
"icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-03-27T10:00:00Z",
"players_start": 2,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-03-27T10:00:58.169393Z",
"ended": "2022-06-28T22:31:24.432142Z",
"start_waiting": "2021-03-27T10:00:57.349132Z",
"board_size": 11,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png",
"player_count": 35,
"ranked": true
},
{
"id": 115172,
"name": "9x9 New Zealand Open D.E. #5",
"director": {
"id": 178104,
"username": "dexonsmith",
"country": "ca",
"icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1390.7732166446785,
"deviation": 67.55416504748428,
"volatility": 0.06064009346038413
}
},
"ranking": 22.55312076827671,
"professional": false,
"ui_class": "supporter"
},
"description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "nz",
"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": false,
"group": {
"id": 14024,
"name": "New Zealand Ladders",
"summary": "Group for ladders and tournaments that use New Zealand rules.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 82,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-06-01T03:09:00Z",
"players_start": 8,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-05-31T22:13:53.143715Z",
"ended": "2025-02-15T03:55:40.172127Z",
"start_waiting": "2024-05-31T22:13:53.018693Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
"player_count": 8,
"ranked": true
}
]
}
