HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57892,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4099",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4097",
"results": [
{
"id": 21144,
"name": "Correspondence 13x13 RoundRobin 2016-10-03 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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20250927T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-09-27T19:00:28.858975Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 13,
"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": "2025-09-30T19:00:00Z",
"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,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-10-03T01:00:53.088594Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-10-03T01:01:12.594179Z",
"ended": "2016-11-13T14:50:29.863123Z",
"start_waiting": "2016-10-03T01:01:10.649429Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 10
},
{
"id": 84906,
"name": "9x9 Blitz Tourney",
"director": {
"id": 599102,
"username": "š¬āļøš¬ š©š„šÆļøš±",
"country": "bs",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9f1b3b5e4e9ea8e9cad3ce3456addaf5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1646.7114093252521,
"deviation": 65.53236576357357,
"volatility": 0.06020281826982568
}
},
"ranking": 26.463626879317594,
"professional": false,
"ui_class": ""
},
"description": "Quick, fun, and challenging.\nGood luck!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 10,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 10
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 10635,
"name": "Blitz ā”",
"summary": "Welcome,\n\nBlitz style tourneys, please join if you like speedy Go!\n\n\n",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 20,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/beada510a6d27c2fd6dbd356f2a0e5e1-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-01-22T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-01-22T18:00:42.004119Z",
"ended": "2022-01-22T18:06:03.111885Z",
"start_waiting": "2022-01-22T18:00:41.922793Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/beada510a6d27c2fd6dbd356f2a0e5e1-15.png",
"player_count": 4
},
{
"id": 129362,
"name": "Correspondence 13x13 RoundRobin 2025-06-12 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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20250927T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-09-27T19:00:28.858975Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 13,
"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": "2025-09-30T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 90782,
"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": "2025-06-12T19:00:25.742940Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-06-12T19:00:26.140748Z",
"ended": "2025-06-26T20:10:29.224473Z",
"start_waiting": "2025-06-12T19:00:25.851435Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 8
},
{
"id": 21669,
"name": "Correspondence 9x9 RoundRobin 2016-10-22 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:20250928T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-09-28T19:00:28.976598Z",
"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": "2025-10-01T19:00:00Z",
"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,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-10-22T01:00:56.835153Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-10-22T01:01:15.603768Z",
"ended": "2016-11-11T23:00:03.091962Z",
"start_waiting": "2016-10-22T01:01:13.673175Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10
},
{
"id": 42542,
"name": "Calcified Caldera - 9x9",
"director": {
"id": 480527,
"username": "MystWalker",
"country": "_Pirate",
"icon": "https://secure.gravatar.com/avatar/b3b2121f9ff52cadf9207647eafe3d0d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1488.0707503098765,
"deviation": 63.596071130064495,
"volatility": 0.06006278116597288
}
},
"ranking": 24.118538100052163,
"professional": false,
"ui_class": ""
},
"description": "This is third in a series of rapid correspondence handicap tournaments. Please contact me (<a href=\"https://online-go.com/player/480527/\">MystWalker</a>) if you have any suggestions for future tournaments.\n\n<i>\"Plumes of caustic steam float over the sandstone ridges that ring the miles-wide depression. Mineral-encrusted rock formations rise from electric-aqua pools of water. The sky is bright and clear and the temperature is pleasantly warm.\"</i>",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 25645,
"time_control_parameters": {
"period_time": 172800,
"main_time": 86400,
"system": "canadian",
"pause_on_weekends": false,
"time_control": "canadian",
"stones_per_period": 7,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2170,
"name": "Serenity",
"summary": "When wisdom comes and ambitions go away, only pure enjoyment of the game remains.",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 48,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/296c487fa334861b517b0bf1928b4ac9-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-11-12T15:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-11-12T15:00:22.577134Z",
"ended": "2018-11-28T19:12:43.043012Z",
"start_waiting": "2018-11-12T15:00:21.120955Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/296c487fa334861b517b0bf1928b4ac9-15.png",
"player_count": 4
},
{
"id": 123430,
"name": "9x9 Mini League 10k-25k #270",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1303.1671327063273,
"deviation": 69.18599818730364,
"volatility": 0.06012834661170111
}
},
"ranking": 21.046928386379722,
"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": 675,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-12-22T20:05:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-21T18:19:14.865791Z",
"ended": "2025-01-04T10:04:33.290882Z",
"start_waiting": "2024-12-21T18:19:14.714019Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5
},
{
"id": 39022,
"name": "Kranj",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 840.8124806667811,
"deviation": 63.7775038680582,
"volatility": 0.05991962241111885
}
},
"ranking": 10.902964775293851,
"professional": false,
"ui_class": ""
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 38880,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 36000,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 374,
"name": "Slovenija",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 53,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-08-15T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 10,
"max_ranking": 15,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-07-20T16:05:29.367228Z",
"ended": "2018-11-06T22:28:01.710052Z",
"start_waiting": "2018-07-20T16:05:09.823689Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
"player_count": 10
},
{
"id": 26289,
"name": "It's All About Reading",
"director": {
"id": 355068,
"username": "Ashlei",
"country": "gb",
"icon": "https://secure.gravatar.com/avatar/6f698a1dfde5df9843f7dacb5cfc211f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1724.128419105002,
"deviation": 63.33177364038399,
"volatility": 0.05999609394426675
}
},
"ranking": 27.527171323885646,
"professional": false,
"ui_class": ""
},
"description": "No conditional moves or analysis, but plenty of time.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 179520,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 604800,
"max_time": 864000,
"time_increment": 172800,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"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": 8741,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": true,
"time_start": "2017-04-21T11:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2017-04-21T11:00:52.122070Z",
"ended": "2018-11-06T18:31:36.985599Z",
"start_waiting": "2017-04-21T11:00:51.434162Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 16
},
{
"id": 88110,
"name": "2/4 ä½å®¶ę ę²ę¦®é",
"director": {
"id": 818416,
"username": "å³ē¢åøå",
"country": "un",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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": "2/4 ä½å®¶ę ę²ę¦®é",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 30,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 900,
"period_time": 20,
"periods": 2
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6399,
"name": "å³ē¢ Bē",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 53,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2022-04-02T09:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2022-04-02T08:33:48.213335Z",
"ended": "2022-04-02T09:08:50.220079Z",
"start_waiting": "2022-04-02T08:33:48.156646Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 80363,
"name": "ć
ć
ć
ć
ć
",
"director": {
"id": 925993,
"username": "asiaone0608",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/996bbffd64e3779930a6f0eff70ca373?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1500,
"deviation": 350,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"description": "ć
ć
ć
ć
ć
ć
ć
ć
ć
ć
",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 81,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 80,
"initial_time": 120,
"max_time": 1800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8115,
"name": "ė¤ģ“ģ¤ģøģ¤",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 9,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2100-12-31T03:59:00Z",
"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": 59
}
]
}
