HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57658,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=4970",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=4968",
"results": [
{
"id": 39041,
"name": "Arcane Arch - 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 first in a series of rapid correspondence tournaments. \nPlease contact me (<a href=\"https://online-go.com/player/480527/\">MystWalker</a>) if you have any suggestions for future tournaments.\n\n---\n<i>\"The arch looms overhead, a massive loop of windswept stone that stands in defiance to the will of gravity. The prehistoric pictographs at its base are a relatively recent addition in comparison to its long reign.\"</i>",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 29760,
"time_control_parameters": {
"period_time": 172800,
"main_time": 86400,
"system": "canadian",
"pause_on_weekends": false,
"time_control": "canadian",
"stones_per_period": 6,
"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": true,
"time_start": "2018-07-28T05:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-07-20T16:42:58.807817Z",
"ended": "2018-07-31T03:57:13.175409Z",
"start_waiting": "2018-07-20T16:42:41.704101Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/296c487fa334861b517b0bf1928b4ac9-15.png",
"player_count": 10
},
{
"id": 39542,
"name": "Live 9x9 Double Elimination Tournament 2018-07-30 18:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20250906T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-09-06T02:00:15.510603Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"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": "2025-09-06T06:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 33,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-07-30T18:30:27.172358Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-07-30T18:30:30.682956Z",
"ended": "2018-07-30T19:18:36.454352Z",
"start_waiting": "2018-07-30T18:30:29.681303Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10
},
{
"id": 36980,
"name": "Correspondence 19x19 RR - May 2018 (β)",
"director": {
"id": 116299,
"username": "riou",
"country": "aq",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ec94d52b8f02220a0057c7c900b65047-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1471.008005441877,
"deviation": 64.10598063295498,
"volatility": 0.05938018775714291
}
},
"ranking": 23.851558438974205,
"professional": false,
"ui_class": ""
},
"description": "non-stop Correspondence 19x19 RoundRobin free for all. have fun!!! ＋。゜~”（゜∀゜）゜。＋",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2214,
"name": "Dogs fun",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 11,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cabe872fc4d0083bc32905811a4b62e8-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-05-19T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-05-17T09:10:33.466360Z",
"ended": "2018-07-28T14:16:00.385766Z",
"start_waiting": "2018-05-17T09:10:28.454215Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cabe872fc4d0083bc32905811a4b62e8-15.png",
"player_count": 10
},
{
"id": 29990,
"name": "A good time with friends",
"director": {
"id": 411133,
"username": "MatsuoBasho",
"country": "_Pirate",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ba10012352af8d93383f08274c62210e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1364.8619854004157,
"deviation": 61.7398602801373,
"volatility": 0.06004798444671674
}
},
"ranking": 22.117749146879095,
"professional": false,
"ui_class": ""
},
"description": "Have Fun!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 265920,
"time_control_parameters": {
"period_time": 259200,
"main_time": 604800,
"system": "byoyomi",
"pause_on_weekends": true,
"time_control": "byoyomi",
"periods": 5,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1773,
"name": "The Durango Go-Weiqi-Baduk Club",
"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": "2017-09-22T19:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-09-22T19:00:58.303106Z",
"ended": "2018-07-27T21:33:20.889428Z",
"start_waiting": "2017-09-22T19:00:57.861248Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 10
},
{
"id": 39456,
"name": "Blitz 19x19 Elimination Tournament 2018-07-27 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:20250906T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-06T05:00:15.523260Z",
"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": "2025-09-06T09:00:00Z",
"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": "2018-07-27T17:30:04.162987Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-07-27T17:30:08.158698Z",
"ended": "2018-07-27T18:44:00.800142Z",
"start_waiting": "2018-07-27T17:30:06.425997Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 36085,
"name": "Correspondence 19x19 RR - April 2018 (β)",
"director": {
"id": 116299,
"username": "riou",
"country": "aq",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ec94d52b8f02220a0057c7c900b65047-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1471.008005441877,
"deviation": 64.10598063295498,
"volatility": 0.05938018775714291
}
},
"ranking": 23.851558438974205,
"professional": false,
"ui_class": ""
},
"description": "non-stop Correspondence 19x19 RoundRobin free for all. have fun!!! \n＋。゜~”（゜∀゜）゜。＋",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2214,
"name": "Dogs fun",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 11,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cabe872fc4d0083bc32905811a4b62e8-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-04-15T19:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-04-07T20:36:39.820344Z",
"ended": "2018-07-26T04:44:33.431061Z",
"start_waiting": "2018-04-07T20:36:33.592874Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cabe872fc4d0083bc32905811a4b62e8-15.png",
"player_count": 10
},
{
"id": 39389,
"name": "Live 9x9 Double Elimination Tournament 2018-07-25 14:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20250906T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-09-06T02:00:15.510603Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"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": "2025-09-06T06:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 33,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-07-25T14:30:29.619461Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-07-25T14:30:33.878394Z",
"ended": "2018-07-25T15:23:33.034299Z",
"start_waiting": "2018-07-25T14:30:31.951887Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10
},
{
"id": 38390,
"name": "test tournament 01",
"director": {
"id": 463304,
"username": "Jim GWW",
"country": "th",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8112ea51fdc115e074a1943fedb03ac7-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1679.9234722131403,
"deviation": 63.655286730890595,
"volatility": 0.05963216680992718
}
},
"ranking": 26.92588668830054,
"professional": false,
"ui_class": ""
},
"description": "for active player",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 24480,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 21600,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2571,
"name": "Go World Wide",
"summary": "enjoy",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 88,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/889d994a8e18efb0db03c85b562aaad1-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-06-25T04:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-06-25T04:00:10.812258Z",
"ended": "2018-07-25T06:13:27.795074Z",
"start_waiting": "2018-06-25T04:00:08.691526Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/889d994a8e18efb0db03c85b562aaad1-15.png",
"player_count": 10
},
{
"id": 39271,
"name": "Live 9x9 Double Elimination Tournament 2018-07-21 18:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20250906T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-09-06T02:00:15.510603Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"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": "2025-09-06T06:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 33,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-07-21T18:30:06.692078Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-07-21T18:30:10.539297Z",
"ended": "2018-07-21T19:20:43.781114Z",
"start_waiting": "2018-07-21T18:30:08.550800Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10
},
{
"id": 37973,
"name": "V^*()",
"director": {
"id": 120320,
"username": "Ignil",
"country": "_GoT_Lannister",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2121.912696995676,
"deviation": 70.45817006699149,
"volatility": 0.05996492273182429
}
},
"ranking": 32.33302425647488,
"professional": false,
"ui_class": ""
},
"description": "9x9 Round Robin",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 485,
"name": "THAILAND GO",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 501,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/51662af930ea8ccf8fe4335513ca2357-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-07-27T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 21,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-06-29T06:12:35.911766Z",
"ended": "2018-07-18T02:42:29.222234Z",
"start_waiting": "2018-06-29T06:12:32.384790Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/51662af930ea8ccf8fe4335513ca2357-15.png",
"player_count": 10
}
]
}
