HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58264,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=456",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=454",
"results": [
{
"id": 106155,
"name": "Blitz 19x19 Elimination Tournament 2023-08-06 05:30",
"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:20251105T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-11-05T09:00:32.047861Z",
"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": "2025-11-05T13:00:00Z",
"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": "2023-08-06T05:30:53.859515Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-08-06T05:31:53.993756Z",
"ended": "2023-08-06T05:46:29.319500Z",
"start_waiting": "2023-08-06T05:31:53.885556Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 5
},
{
"id": 4470,
"name": "Honinbo Main Title Tournament 2015",
"director": {
"id": 40318,
"username": "gamesorry",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2037.6915796724338,
"deviation": 69.68085573692971,
"volatility": 0.060155568684333575
}
},
"ranking": 31.395442104274068,
"professional": false,
"ui_class": "supporter"
},
"description": "Honinbo Main Title Tournament 2015\n\nTitle Holder: <a href='https://online-go.com/user/view/39317/nrx'>nrx (3d)</a>\n\nPast tournaments:\n\n<table style=\"text-align:center;\" border='2'>\n<tr><th rowspan=2>Year</th><th rowspan=2>Title Tournament Winner</th><th colspan=3>Title Match</th></tr>\n<tr><th>Winner</th><th>Score</th><th>Runner-up</th></tr>\n<tr><td><a href='https://online-go.com/tournament/2370'>2007</a></td><td>luke (1d)</td><td>luke</td><td></td><td></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2390'>2008</a></td><td>Uberdude (6d)</td><td>Uberdude</td><td>∗</td><td>luke</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2403'>2009</a></td><td>gomad361 (2d)</td><td>Uberdude</td><td>5-0</td><td>gomad361</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2420'>2010</a></td><td>Elin (3d)</td><td>Uberdude</td><td>5-0</td><td>Elin</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2435'>2011</a></td><td>Uberdude (6d)</td><td>Uberdude</td><td></td><td></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2457'>2012</a></td><td>nrx (3d)</td><td>nrx</td><td>∗</td><td>Uberdude</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2477'>2013</a></td><td>Ongoing (Round 3)</td><td></td><td></td><td></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2495'>2014</a></td><td>Ongoing (Round 2)</td><td></td><td></td><td></td></tr>\n</table>\n\n∗ means the games were finished by timeout or retiring.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 93120,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 515,
"name": "OGS Title Tournaments",
"summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 2943,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2015-04-01T07:00:00Z",
"players_start": 250,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-04-01T07:00:59.295390Z",
"ended": "2018-01-31T23:24:58.434021Z",
"start_waiting": "2015-04-01T07:00:42.893184Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 271
},
{
"id": 34086,
"name": "123123",
"director": {
"id": 503998,
"username": "Zillers",
"country": "tw",
"icon": "https://user-uploads.online-go.com/b1a778a3afa829a57ccc5c5d266415e3-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1364.6010178272118,
"deviation": 63.26967934138518,
"volatility": 0.05998543293531622
}
},
"ranking": 22.11332234253631,
"professional": false,
"ui_class": ""
},
"description": "1123123ㄇ",
"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": 2129,
"name": "Taiwan No.1",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 3,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2018-01-29T06:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-01-30T09:22:41.863178Z",
"ended": "2018-04-19T19:17:51.352118Z",
"start_waiting": "2018-01-30T09:22:41.396690Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4
},
{
"id": 101820,
"name": "校隊A2組第4次比賽",
"director": {
"id": 922838,
"username": "go2708",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/b3e7f690c33f687a9632741520125809?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2051.551691597471,
"deviation": 123.68029630025042,
"volatility": 0.05999816676709507
}
},
"ranking": 31.5523722737371,
"professional": false,
"ui_class": ""
},
"description": "校隊A2組第4次比賽",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 19147,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 2419200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10182,
"name": "DCFWMS-Team",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 14,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2023-04-03T08:52:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2023-04-03T08:52:50.668173Z",
"ended": "2023-07-06T00:33:00.344150Z",
"start_waiting": "2023-04-03T08:52:50.347655Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 8
},
{
"id": 100068,
"name": "校隊A2組第3次比賽",
"director": {
"id": 922838,
"username": "go2708",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/b3e7f690c33f687a9632741520125809?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2051.551691597471,
"deviation": 123.68029630025042,
"volatility": 0.05999816676709507
}
},
"ranking": 31.5523722737371,
"professional": false,
"ui_class": ""
},
"description": "校隊A2組第3次比賽",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 19147,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 2419200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10182,
"name": "DCFWMS-Team",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 14,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2023-02-13T09:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2023-02-13T08:52:53.260043Z",
"ended": "2023-04-03T08:43:41.103298Z",
"start_waiting": "2023-02-13T08:52:53.172818Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 8
},
{
"id": 129875,
"name": "Blitz 19x19 Elimination Tournament 2025-06-26 21:30",
"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": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20251105T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-11-05T09:00:32.047861Z",
"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": "2025-11-05T13:00:00Z",
"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": "2025-06-26T21:30:29.192970Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2025-06-26T21:31:29.259407Z",
"ended": "2025-06-26T22:11:19.656487Z",
"start_waiting": "2025-06-26T21:31:29.184411Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7
},
{
"id": 54143,
"name": "Fast Correspondence – December 2019 (B)",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1576.6058983592984,
"deviation": 62.39509712483839,
"volatility": 0.05973302369801668
}
},
"ranking": 25.456466614065288,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 30720,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 28800,
"initial_time": 172800,
"max_time": 172800
},
"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": 796,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-12-01T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2019-12-01T00:00:33.468211Z",
"ended": "2020-01-09T00:00:20.906462Z",
"start_waiting": "2019-12-01T00:00:26.071222Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10
},
{
"id": 100048,
"name": "Blitz 19x19 Elimination Tournament 2023-02-12 17:30",
"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:20251105T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-11-05T09:00:32.047861Z",
"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": "2025-11-05T13:00:00Z",
"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": "2023-02-12T17:30:15.897454Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-02-12T17:30:17.315120Z",
"ended": "2023-02-12T18:09:38.866279Z",
"start_waiting": "2023-02-12T17:30:17.111393Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7
},
{
"id": 34422,
"name": "Blitz 19x19 Elimination Tournament 2018-02-09 17:30",
"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:20251105T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-11-05T09:00:32.047861Z",
"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": "2025-11-05T13:00:00Z",
"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": "2018-02-09T17:30:14.471629Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-02-09T17:34:17.965824Z",
"ended": "2018-02-09T17:58:56.074763Z",
"start_waiting": "2018-02-09T17:34:17.453837Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4
},
{
"id": 34369,
"name": "tournament 1",
"director": {
"id": 507111,
"username": "controllerninja",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/dd1afbfe42145ef29877d05511e0164d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1199.2098484340831,
"deviation": 203.87235890616,
"volatility": 0.05999867423123659
}
},
"ranking": 19.12236060782824,
"professional": false,
"ui_class": "provisional"
},
"description": "just another tournament for fun",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 113280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 2419200,
"max_time": 2419200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 25,
"name": "Go Basics",
"summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17535,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-02-07T22:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-02-10T12:34:36.020796Z",
"ended": "2018-03-17T08:15:26.562002Z",
"start_waiting": "2018-02-10T12:34:35.752721Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 4
}
]
}
