HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58737,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4731",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4729",
"results": [
{
"id": 97213,
"name": "Correspondence 19x19 RoundRobin 2022-11-27 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 Sitewide Tournament",
"schedule": {
"id": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251216T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-12-16T19:01:03.601299Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"pause_on_weekends": true,
"max_time": 432000,
"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": "2025-12-19T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"pause_on_weekends": true,
"max_time": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2022-11-27T19:00:38.220273Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-11-27T19:00:39.349219Z",
"ended": "2023-03-03T16:07:29.454074Z",
"start_waiting": "2022-11-27T19:00:38.911562Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 9,
"ranked": true
},
{
"id": 100691,
"name": "Blitz tournament for WSC",
"director": {
"id": 706506,
"username": "vixigi",
"country": "un",
"icon": "https://user-uploads.online-go.com/4bfe827742d938752ce9de87c4d1dad0-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1265.3942663859668,
"deviation": 65.79058344567486,
"volatility": 0.06013431959093227
}
},
"ranking": 20.365998664432293,
"professional": false,
"ui_class": ""
},
"description": "a blitz tournament for WSC, hopefully not the onlyone",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 10,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "blitz",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 30,
"max_time": 60
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 6630,
"name": "Go friends 🐬",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 360,
"icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-03-03T08:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-03-03T17:56:24.575520Z",
"ended": "2023-03-03T18:27:43.552483Z",
"start_waiting": "2023-03-03T17:56:24.444675Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 25131,
"name": "Goban France Tournament",
"director": {
"id": 191612,
"username": "Le pumat",
"country": "fr",
"icon": "https://secure.gravatar.com/avatar/a9f5dfdbfb2285bfd508e862e30087b3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1442.1451953614646,
"deviation": 63.35432113756427,
"volatility": 0.059923366878327736
}
},
"ranking": 23.392814341391684,
"professional": false,
"ui_class": ""
},
"description": "Petit tournoi pour s'amuser les gars !",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 95,
"name": "France Go Players",
"summary": "Le groupe pour les joueurs français!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1277,
"icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-03-11T12:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-03-11T12:00:28.561142Z",
"ended": "2018-02-03T17:12:27.895797Z",
"start_waiting": "2017-03-11T12:00:27.659459Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
"player_count": 19,
"ranked": true
},
{
"id": 100718,
"name": "9x9 Open League #64",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1286.2719941592866,
"deviation": 73.02024134436525,
"volatility": 0.060145553827939076
}
},
"ranking": 20.744833617220277,
"professional": false,
"ui_class": ""
},
"description": "Open league for everyone. Tournament will be started as soon as 10 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": false,
"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": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-03-12T20:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-03-11T20:34:06.618782Z",
"ended": "2023-05-29T23:46:45.478606Z",
"start_waiting": "2023-03-11T20:34:05.492306Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 31591,
"name": "Correspondence 9x9 RoundRobin 2017-11-04 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": 5,
"name": "Correspondence 9x9 RoundRobin",
"rrule": "DTSTART:20251218T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-18T19:01:04.466352Z",
"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": "2025-12-21T19:00:00Z",
"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": "2017-11-04T01:00:16.771730Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-11-04T01:00:46.205547Z",
"ended": "2017-12-03T20:14:25.794467Z",
"start_waiting": "2017-11-04T01:00:44.161445Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 6,
"ranked": true
},
{
"id": 100725,
"name": "9x9 Mini League 10k-25k #134",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1286.2719941592866,
"deviation": 73.02024134436525,
"volatility": 0.060145553827939076
}
},
"ranking": 20.744833617220277,
"professional": false,
"ui_class": ""
},
"description": "Special league for players between 25kyu and 10kyu. 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": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-03-12T20:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-03-09T06:40:59.091029Z",
"ended": "2023-04-06T07:11:10.796801Z",
"start_waiting": "2023-03-09T06:40:58.877408Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 120906,
"name": "Correspondence 9x9 RoundRobin 2024-10-07 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:20251218T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-18T19:01:04.466352Z",
"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": "2025-12-21T19:00:00Z",
"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": "2024-10-07T19:00:27.558457Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-10-07T19:00:27.954565Z",
"ended": "2024-11-17T08:14:13.228700Z",
"start_waiting": "2024-10-07T19:00:27.652156Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 7,
"ranked": true
},
{
"id": 102505,
"name": "5 -> 陳灝 6 -> 余啟睿",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1898.3468207617877,
"deviation": 71.28817954667363,
"volatility": 0.06041644550084839
}
},
"ranking": 29.755630942351214,
"professional": false,
"ui_class": ""
},
"description": "5 -> 陳灝\n6 -> 余啟睿",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 32,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 1500,
"period_time": 20,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7531,
"name": "傳碁 C班",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 87,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2023-04-23T08:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2023-04-23T07:48:11.939291Z",
"ended": "2023-04-23T09:08:42.506177Z",
"start_waiting": "2023-04-23T07:48:11.895095Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2,
"ranked": true
},
{
"id": 102519,
"name": "Mid-Speed Open (9, L5) #4",
"director": {
"id": 1341412,
"username": "match_Mid-Speed.gr",
"country": "un",
"icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1653.8814751249,
"deviation": 94.41219595830631,
"volatility": 0.060012300603352955
}
},
"ranking": 26.564207163029423,
"professional": false,
"ui_class": ""
},
"description": "Note: This time seting is equivalent to “<strong>1 move</strong> per calendar day per player”.\n\n<h2>Additional Rules</h2>\n\n<ul>\n\n<li>This Open match only welcome the players who have no <strong>apologyless</strong> time-out in recent 20 correspondence games</li>\n\n<li>Pause or Vacation mode is not allowed</li>\n\n</ul>\n\n<details>\n\n<summary style=\"font-size: 24px;\"><strong>Info for New Guests</strong> <span style=\"font-size:16px;\">(click to see or hide)</span></summary>\n<h3>Attention</h3>\n\n\nI know that if I have no time to complete a game for some reasons, or if I feel frustrated by losing, the proper way is to resign and say sorry to my opponent, rather than letting time-out happen.\n\n<h3>Tips</h3>\n\nI know how to use Plan Conditional Moves to speed up (such as Sente, the big value point at endgame…).\n\nI know this is a fast corr., so I will apply the highest priority to it in my Active Games List.\n\n</details>",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 46248,
"time_control_parameters": {
"system": "canadian",
"time_control": "canadian",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 86400,
"period_time": 86400,
"stones_per_period": 2
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 12936,
"name": "Mid-speed",
"summary": "Middle speed matches, not so hurry, not so slow.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 21,
"icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-04-30T03:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 18,
"max_ranking": 22,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-04-29T13:58:18.211376Z",
"ended": "2023-05-22T18:06:17.150015Z",
"start_waiting": "2023-04-29T13:58:18.098439Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 100774,
"name": "Fast Fourier Transform",
"director": {
"id": 1016829,
"username": "kevinmath",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/6551af930e436f5e20cee09d91ad2508?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2189.914034510191,
"deviation": 109.27083070484079,
"volatility": 0.059961982966255836
}
},
"ranking": 33.06327692927378,
"professional": false,
"ui_class": ""
},
"description": "Fast fast fast…\n\nNo pause or vacation mode is allowed.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 14400,
"time_control_parameters": {
"system": "canadian",
"time_control": "canadian",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 0,
"period_time": 432000,
"stones_per_period": 30
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 508,
"name": "Fast Correspondence",
"summary": "Tournaments for people who like to play quick correspondence games.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 802,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-03-10T01:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-03-09T02:15:03.543434Z",
"ended": "2023-03-25T07:01:56.613189Z",
"start_waiting": "2023-03-09T02:15:03.418432Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 4,
"ranked": true
}
]
}
