HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58709,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=103",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=101",
"results": [
{
"id": 115008,
"name": "World battles 2024",
"director": {
"id": 1051076,
"username": "Qwentum",
"country": "ru",
"icon": "https://user-uploads.online-go.com/ec85d2c66ad78a73ad60a339509b683b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1684.3630209399103,
"deviation": 66.24464584523417,
"volatility": 0.05970881172817419
}
},
"ranking": 26.98698470292611,
"professional": false,
"ui_class": ""
},
"description": "World battles 2024",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10103,
"name": "World battles",
"summary": "World tournament s",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 47,
"icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-05-01T20:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-04-30T16:31:21.837612Z",
"ended": null,
"start_waiting": "2024-04-30T16:31:18.937193Z",
"board_size": 19,
"active_round": 3,
"icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-15.png",
"player_count": 100,
"ranked": true
},
{
"id": 97531,
"name": "Blitz 13x13 Swiss Tournament 2022-12-05 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:20251217T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-17T19:01:04.449113Z",
"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": "2025-12-17T23:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15,
"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": "2022-12-05T19:30:43.075125Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2022-12-05T19:30:44.502458Z",
"ended": "2022-12-05T20:26:38.292243Z",
"start_waiting": "2022-12-05T19:30:44.331835Z",
"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": 101115,
"name": "Go to Go",
"director": {
"id": 1123891,
"username": "LiLanLü",
"country": "ch",
"icon": "https://user-uploads.online-go.com/f9525427bc1fa96962fe8662a80cf619-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1559.515490218149,
"deviation": 61.85064426994258,
"volatility": 0.06007184707196233
}
},
"ranking": 25.204150573935493,
"professional": false,
"ui_class": ""
},
"description": "Tournoi de go de 16h à Moissac",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 41,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 300,
"max_time": 300
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 12279,
"name": "Les Génies - Club de Go Suisse (Coinsins) et France (Moissac)",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 94,
"icon": "https://user-uploads.online-go.com/3a4d1df61959a49c01c9ffc5aff5eb6d-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-03-14T15:30:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-03-14T15:27:58.808998Z",
"ended": "2023-03-14T16:03:17.095192Z",
"start_waiting": "2023-03-14T15:27:58.637850Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/3a4d1df61959a49c01c9ffc5aff5eb6d-15.png",
"player_count": 7,
"ranked": true
},
{
"id": 59308,
"name": "Blitz 13x13 Swiss Tournament 2020-04-19 11:30",
"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:20251217T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-17T19:01:04.449113Z",
"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": "2025-12-17T23:00:00Z",
"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": "2020-04-19T11:30:32.789056Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-04-19T11:30:35.064692Z",
"ended": "2020-04-19T12:19:18.354382Z",
"start_waiting": "2020-04-19T11:30:34.124907Z",
"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": 21157,
"name": "Taiwanese",
"director": {
"id": 348886,
"username": "nicodaisuki",
"country": "tw",
"icon": "https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1724.605004636006,
"deviation": 65.88111689435804,
"volatility": 0.06003268569255853
}
},
"ranking": 27.533569588846934,
"professional": false,
"ui_class": ""
},
"description": "Taiwan is a country!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 2419200,
"time_control_parameters": {
"time_control": "simple",
"per_move": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1144,
"name": "Taiwanese",
"summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 180,
"icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png"
},
"auto_start_on_max": false,
"time_start": "2016-12-01T17:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 18,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-12-01T17:00:57.349791Z",
"ended": "2020-04-23T03:03:03.726586Z",
"start_waiting": "2016-12-01T17:00:56.693827Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 108541,
"name": "Correspondence Weekly McMahon 19x19 2023-10-21 17:00",
"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": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251215T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-12-15T17:01:05.269875Z",
"lead_time_seconds": 432000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"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": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 4,
"maximum_players": 1000
},
"next_run": "2025-12-22T17:00:00Z",
"base_points": "30.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"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": "2023-10-21T17:00:38.105173Z",
"players_start": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-10-21T17:01:06.644516Z",
"ended": "2025-05-09T10:29:33.455509Z",
"start_waiting": "2023-10-21T17:01:05.858693Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 15,
"ranked": true
},
{
"id": 66566,
"name": "孫方中第一堂比賽",
"director": {
"id": 212102,
"username": "關老師",
"country": "hk",
"icon": "https://secure.gravatar.com/avatar/d5ba894609aaf131293f3a54d86abda3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2150.910125841699,
"deviation": 76.64419155219224,
"volatility": 0.06004910361666918
}
},
"ranking": 32.6472431284603,
"professional": false,
"ui_class": ""
},
"description": "請多多指教",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 16,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "live",
"pause_on_weekends": false,
"total_time": 1500
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7027,
"name": "(2022-2023 第1期 ) 孫方中 圍棋 進階A班",
"summary": "3/10，10/10，17/10，24/10，31/10，7/11，28/11，5/12，19/12，9/1，16/1.\n\n星期一 下午 2:30-3:45.\n\n ",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 19,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-10-12T07:25:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2020-10-12T07:21:53.871925Z",
"ended": "2020-10-12T08:30:49.371345Z",
"start_waiting": "2020-10-12T07:21:53.720827Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 5,
"ranked": true
},
{
"id": 3984,
"name": "Live 19x19 Swiss Tournament 2015-01-05 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:20251217T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-17T20:01:04.103231Z",
"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": "2025-12-18T00:00:00Z",
"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": "2015-01-05T20:30:21.114690Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2015-01-05T20:30:22.806354Z",
"ended": "2015-01-05T23:09:11.008576Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 12,
"ranked": true
},
{
"id": 4494,
"name": "Meijin 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": 2012.4871931400326,
"deviation": 70.00084550122251,
"volatility": 0.06015826099255662
}
},
"ranking": 31.107312066999114,
"professional": false,
"ui_class": "supporter"
},
"description": "Meijin Main Title Tournament 2015\n\nTitle Holder: <a href='https://online-go.com/user/view/35184/vitality'>vitality (5d)</a>\n\nHistory:\n<table style='text-align:center'>\n<tr><th>Year</th><th>Title Tournament Winner</th><th>Title Match</th></tr>\n<tr><td><a href='https://online-go.com/tournament/2387'>2008</a></td><td>Akimoon (1k)</td><td><b>Akimoon</b></td></tr>\n<tr><td><a href='https://online-go.com/tournament/2400'>2009</a></td><td>Uberdude (6d)</td><td><b>Uberdude</b> 2:0 Akimoon ∗</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2416'>2010</a></td><td>gomad361 (2d)</td><td><b>Uberdude</b> 5:0 gomad361</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2432'>2011</a></td><td>Rathbone (4d)</td><td><b>Uberdude</b> 3:0 Rathbone ∗</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2454'>2012</a></td><td>vitality (5d)</td><td><b>vitality</b> 5:0 Uberdude ∗</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2472'>2013</a></td><td>gamesorry (2d)</td><td>vitality 0:0 gamesorry (Ongoing)</td></tr>\n<tr><td><a href='https://online-go.com/tournament/2492'>2014</a></td><td>Ongoing (Round 1)</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": 2949,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2015-02-01T08:00:00Z",
"players_start": 100,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-02-01T08:00:31.484208Z",
"ended": "2018-02-17T00:41:21.178959Z",
"start_waiting": "2015-02-01T08:00:19.573621Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 182,
"ranked": true
},
{
"id": 59812,
"name": "Blitz 13x13 Swiss Tournament 2020-04-29 07:30",
"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:20251217T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-17T19:01:04.449113Z",
"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": "2025-12-17T23:00:00Z",
"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": "2020-04-29T07:30:04.695425Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-04-29T07:31:06.764377Z",
"ended": "2020-04-29T08:27:26.820326Z",
"start_waiting": "2020-04-29T07:31:05.993304Z",
"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
}
]
}
