HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58313,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=40",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=38",
"results": [
{
"id": 119951,
"name": "19x19 New Zealand Open D.E. #13",
"director": {
"id": 178104,
"username": "dexonsmith",
"country": "ca",
"icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1375.8309914548945,
"deviation": 67.96862811490783,
"volatility": 0.06063903861397135
}
},
"ranking": 22.303055453106015,
"professional": false,
"ui_class": "supporter"
},
"description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 19x19 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": 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": 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": 81,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-09-21T03:19:00Z",
"players_start": 8,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-09-18T14:38:58.206620Z",
"ended": null,
"start_waiting": "2024-09-18T14:38:58.082662Z",
"board_size": 19,
"active_round": 5,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
"player_count": 8
},
{
"id": 123036,
"name": "Santa Claus Battle 2025",
"director": {
"id": 1051076,
"username": "Qwentum",
"country": "ru",
"icon": "https://user-uploads.online-go.com/ec85d2c66ad78a73ad60a339509b683b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1637.8884565408048,
"deviation": 64.66770204745654,
"volatility": 0.059718230891429525
}
},
"ranking": 26.339257484835585,
"professional": false,
"ui_class": ""
},
"description": "\"Santa Claus Battle 2025\" is a continuation-a new series of tournaments of Great Battles. The first was a grand battle called \"Battle of Santa Claus 2022\". \nThe slogan of the tournament is \"WHO IS THE BEST SANTA HERE\".",
"schedule": null,
"title": null,
"tournament_type": "s_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": "2024-12-24T22:00:00Z",
"players_start": 100,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-24T22:01:08.582793Z",
"ended": null,
"start_waiting": "2024-12-24T22:00:55.719160Z",
"board_size": 19,
"active_round": 2,
"icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-15.png",
"player_count": 126
},
{
"id": 123131,
"name": "Предновогодний междусобойчик",
"director": {
"id": 1666478,
"username": "Sterenin",
"country": "ru",
"icon": "https://user-uploads.online-go.com/f0637586318ab8d863cc4d0ab0d03f8d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1089.4632401552647,
"deviation": 114.6003164884571,
"volatility": 0.05999535081296358
}
},
"ranking": 16.90047579839398,
"professional": false,
"ui_class": ""
},
"description": "Небольшой предновогодний междусобойчик. Возможность должникам добрать партий для зачета, а остальным - побороться за призы!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 7,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "rapid",
"pause_on_weekends": false,
"time_increment": 5,
"initial_time": 300,
"max_time": 360
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 14788,
"name": "ГО КЛУБ СПбГЭТУ \"ЛЭТИ\"",
"summary": "Группа Го клуба ЛЭТИ на OGS.\nИграем в Го, обсуждаем анализируем учимся.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 10,
"icon": "https://user-uploads.online-go.com/c7f01c0ad3e737bc42773a38446e04b0-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-12-14T17:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"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://user-uploads.online-go.com/c7f01c0ad3e737bc42773a38446e04b0-15.png",
"player_count": 1
},
{
"id": 79018,
"name": "ENDLESS 50 people",
"director": {
"id": 1012312,
"username": "charlie11",
"country": "jp",
"icon": "https://secure.gravatar.com/avatar/2dcdff4966c0103300ce0d6fbf4e22e8?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1161.564727199071,
"deviation": 67.2959124451604,
"volatility": 0.06009585569543345
}
},
"ranking": 18.38399410453256,
"professional": false,
"ui_class": ""
},
"description": "Please join, thank you",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 2446080,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 2419200,
"period_time": 2419200,
"periods": 20
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 9514,
"name": "25k-10k (Double Digets Please)",
"summary": "As long as your Double Digits or near Double Digits your welcome to join.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 58,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2021-08-31T18:00:00Z",
"players_start": 50,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-08-31T17:42:03.017095Z",
"ended": null,
"start_waiting": "2021-08-31T17:42:01.785657Z",
"board_size": 19,
"active_round": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 14
},
{
"id": 122749,
"name": "DDK Doubles #3",
"director": {
"id": 496469,
"username": "beefwithasillyguy",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/8f199a278c84623f101aaeeb65c92e06?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 816.9698376609466,
"deviation": 101.8809539743649,
"volatility": 0.06000469285066534
}
},
"ranking": 10.23702059009903,
"professional": false,
"ui_class": ""
},
"description": "Monthly tournament for DDK players",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87084,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 86400,
"period_time": 86400,
"periods": 10
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 43,
"name": "Kyu Level Study Group",
"summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 8770,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-12-30T19:00:00Z",
"players_start": 16,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 19,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-26T00:01:27.489666Z",
"ended": null,
"start_waiting": "2024-12-26T00:01:27.318576Z",
"board_size": 19,
"active_round": 5,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 16
},
{
"id": 123275,
"name": "19x19 Open D.E. Cup #94",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1292.2022452062233,
"deviation": 71.09956782956624,
"volatility": 0.06013918489974378
}
},
"ranking": 20.85131950077235,
"professional": false,
"ui_class": ""
},
"description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"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": false,
"group": {
"id": 12599,
"name": "GO Special Tournaments",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 61,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-12-29T22:00:00Z",
"players_start": 8,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-26T07:52:26.359807Z",
"ended": null,
"start_waiting": "2024-12-26T07:52:26.271881Z",
"board_size": 19,
"active_round": 3,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
"player_count": 8
},
{
"id": 123698,
"name": "DEERC",
"director": {
"id": 1667461,
"username": "Gaghi",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/021a1693771bda970d540293409180cc?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 655.0167679539185,
"deviation": 103.77931586646022,
"volatility": 0.06002466665638787
}
},
"ranking": 5.1222285567456876,
"professional": false,
"ui_class": ""
},
"description": "MOLTO GRANDE",
"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",
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8911,
"name": "bennati",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 5,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2024-12-27T17:00:00Z",
"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
},
{
"id": 123560,
"name": "Correspondence Weekly McMahon 19x19 2024-12-28 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 Site-wide Tournament",
"schedule": {
"id": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251110T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-11-10T17:00:12.635888Z",
"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": "2025-11-17T17:00:00Z",
"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": "2024-12-28T17:00:55.477332Z",
"players_start": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-28T17:01:35.955456Z",
"ended": null,
"start_waiting": "2024-12-28T17:01:34.778590Z",
"board_size": 19,
"active_round": 2,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 18
},
{
"id": 123712,
"name": "9x9 Leagues 15k~1k",
"director": {
"id": 1670044,
"username": "Arrow A6",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/19c38d84d5fe783ec97cf150f55975ce?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1500,
"deviation": 350,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"description": "Welcome !",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "nz",
"time_per_move": 95543,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 14857,
"name": "9x9 League",
"summary": "<a href=\"https://info.flagcounter.com/dbAS\"><img src=\"https://s01.flagcounter.com/mini/dbAS/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": true,
"hide_details": true,
"member_count": 2,
"icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-12-31T00:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 15,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-15.png",
"player_count": 0
},
{
"id": 123643,
"name": "9x9 Leagues 15k~1k",
"director": {
"id": 1670044,
"username": "Arrow A6",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/19c38d84d5fe783ec97cf150f55975ce?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1500,
"deviation": 350,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"description": "Welcome !",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "nz",
"time_per_move": 95543,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 14857,
"name": "9x9 League",
"summary": "<a href=\"https://info.flagcounter.com/dbAS\"><img src=\"https://s01.flagcounter.com/mini/dbAS/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": true,
"hide_details": true,
"member_count": 2,
"icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-12-31T01:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-15.png",
"player_count": 0
}
]
}
