HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57700,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=430",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=428",
"results": [
{
"id": 78041,
"name": "Plants vs zombies 14k-4k",
"director": {
"id": 750171,
"username": "KHAE",
"country": "th",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/56d33c7e8e7ce67f73aa947fd300727b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1287.039113571418,
"deviation": 62.03202260607443,
"volatility": 0.06028614816374175
}
},
"ranking": 20.758635924188564,
"professional": false,
"ui_class": ""
},
"description": "Play go fun fun",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 631680,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 604800,
"initial_time": 2419200,
"max_time": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 9717,
"name": "Plants vs zombies",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 6,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/5bd6a4dababdcd7005bd783e15440d88-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-07-26T07:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 16,
"max_ranking": 26,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-07-27T14:56:47.987810Z",
"ended": "2022-03-29T14:08:29.337750Z",
"start_waiting": "2021-07-27T14:56:47.848200Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/5bd6a4dababdcd7005bd783e15440d88-15.png",
"player_count": 4
},
{
"id": 32424,
"name": "Blitz 19x19 Elimination Tournament 2017-12-02 09:30",
"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:20250911T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-11T01:00:16.024268Z",
"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": "2025-09-11T05:00:00Z",
"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": "2017-12-02T09:30:00.327985Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2017-12-02T09:30:02.908520Z",
"ended": "2017-12-02T09:42:45.979084Z",
"start_waiting": "2017-12-02T09:30:02.604799Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4
},
{
"id": 79167,
"name": "19x19 D.E. 08/21/2021🐉",
"director": {
"id": 584481,
"username": "Mulsiphix",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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 ‘Suicidal 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": 44160,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 43200,
"initial_time": 86400,
"max_time": 172800
},
"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": 595,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-08-29T01:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-08-29T13:24:17.582677Z",
"ended": "2021-12-28T19:42:11.665304Z",
"start_waiting": "2021-08-29T13:24:17.340651Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8
},
{
"id": 27925,
"name": "go go go19x19 blitz tournament",
"director": {
"id": 443824,
"username": "hengsh",
"country": "sg",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7f4ad4f86f2090e1190b4eecb3e7295e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1444.006361576871,
"deviation": 66.94295557869181,
"volatility": 0.05996442407941571
}
},
"ranking": 23.422671403994965,
"professional": false,
"ui_class": ""
},
"description": "go go go",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 40,
"time_control_parameters": {
"period_time": 30,
"main_time": 900,
"system": "byoyomi",
"pause_on_weekends": false,
"time_control": "byoyomi",
"periods": 5,
"speed": "live"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 1593,
"name": "Googo",
"summary": "The perfect group for beginners",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 17,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7f4ad4f86f2090e1190b4eecb3e7295e-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-06-13T06:30:00Z",
"players_start": 1,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2017-06-13T12:56:26.498347Z",
"ended": "2017-06-13T13:13:56.851612Z",
"start_waiting": "2017-06-13T12:56:26.128388Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7f4ad4f86f2090e1190b4eecb3e7295e-15.png",
"player_count": 2
},
{
"id": 2536,
"name": "Title match for: Honinbo 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: Honinbo Main Title Tournament 2009 (gomad361 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": "2009-03-31T22:26:58Z",
"ended": "2012-04-26T01:44:50Z",
"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": 4360,
"name": "Vienna heavy",
"director": {
"id": 66704,
"username": "mita va",
"country": "at",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 781.7093587692119,
"deviation": 63.28742167215061,
"volatility": 0.05917464730320627
}
},
"ranking": 9.215661844238763,
"professional": false,
"ui_class": "supporter"
},
"description": "dfutz jkl",
"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": false,
"group": {
"id": 445,
"name": "Go7wien",
"summary": "Wiener Go Klub",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 65,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png"
},
"auto_start_on_max": true,
"time_start": "2015-01-27T18:41:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 18,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-01-27T18:41:09.045965Z",
"ended": "2015-05-02T21:12:49.228065Z",
"start_waiting": "2015-01-27T18:41:08.855557Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png",
"player_count": 4
},
{
"id": 2537,
"name": "Title match for: Kuksu Main Title Tournament 6th Cycle",
"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: Kuksu Main Title Tournament 6th Cycle (Elin vs Uberdude)",
"schedule": null,
"title": {
"id": 7,
"name": "Kuksu Main Title Tournament",
"holder": {
"id": 8592,
"username": "Uberdude",
"country": "gb",
"icon": "https://secure.gravatar.com/avatar/11267593613e93d9bb7fbb10950841f0?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2796.0058316270383,
"deviation": 80.60452821505956,
"volatility": 0.0599415138714111
}
},
"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": "2011-04-01T22:16:49Z",
"ended": "2012-05-27T09:31:54Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/kuksu_19.png",
"player_count": 0
},
{
"id": 84356,
"name": "Live 19x19 Swiss Tournament 2022-01-01 20:30",
"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:20250911T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-09-11T00:00:15.976814Z",
"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": "2025-09-11T04:00:00Z",
"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": "2022-01-01T20:30:07.808648Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-01-01T20:30:09.239311Z",
"ended": "2022-01-01T22:38:24.553504Z",
"start_waiting": "2022-01-01T20:30:09.065337Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7
},
{
"id": 82770,
"name": "Big tournament 19 x 19 hikaru no go 2021",
"director": {
"id": 910029,
"username": "yeong ha ko",
"country": "fr",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0456aecb47ecd3a87457e7b4e1acc1a9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1732.4568994457843,
"deviation": 71.3527930233796,
"volatility": 0.06075833324406251
}
},
"ranking": 27.638729220033547,
"professional": false,
"ui_class": ""
},
"description": "Win the title:19 x 19 hikaru no go 2021",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 259200,
"period_time": 86400,
"periods": 1
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8304,
"name": "club hikaru no go",
"summary": "welcome all fan of Hikaru no go and on piece",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 115,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-11-27T10:30:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-11-27T10:30:24.066343Z",
"ended": "2022-03-25T05:10:20.012868Z",
"start_waiting": "2021-11-27T10:30:23.519558Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png",
"player_count": 11
},
{
"id": 28235,
"name": "Live 19x19 Swiss Tournament 2017-06-24 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:20250911T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-09-11T00:00:15.976814Z",
"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": "2025-09-11T04:00:00Z",
"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": "2017-06-24T12:30:02.220576Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2017-06-24T12:31:05.620218Z",
"ended": "2017-06-24T14:04:09.538283Z",
"start_waiting": "2017-06-24T12:31:04.113570Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6
}
]
}
