HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58727,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5161",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5159",
"results": [
{
"id": 106264,
"name": "The Ultimate GO Championchip",
"director": {
"id": 1397008,
"username": "BCCg4-trio",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/9c1111874b46ce5f12917a9f45407a23?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 968.4689030513771,
"deviation": 85.25014692532125,
"volatility": 0.06000646596042687
}
},
"ranking": 14.175164278398745,
"professional": false,
"ui_class": ""
},
"description": "this is sick.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 60,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 60
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 5334,
"name": "iQ-UP Children Go Academy",
"summary": "Best Children Go Academy of Thailand",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 152,
"icon": "https://user-uploads.online-go.com/ad636336756f20ec1949fbea611392e0-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-09-01T02:30:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-09-01T02:30:10.797441Z",
"ended": "2023-09-01T02:45:48.935521Z",
"start_waiting": "2023-09-01T02:30:10.575797Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ad636336756f20ec1949fbea611392e0-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 109521,
"name": "Kranj 45",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 829.3659685300282,
"deviation": 63.70829844524693,
"volatility": 0.05991115081900641
}
},
"ranking": 10.585644305711897,
"professional": false,
"ui_class": ""
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 38051,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 36000,
"initial_time": 259200,
"max_time": 345600
},
"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://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-11-15T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 10,
"max_ranking": 15,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-11-15T16:00:51.397809Z",
"ended": "2024-11-17T15:49:30.018957Z",
"start_waiting": "2023-11-15T16:00:51.259668Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 127927,
"name": "19x19 Open League #86",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1286.2719941592866,
"deviation": 73.02024134436525,
"volatility": 0.060145553827939076
}
},
"ranking": 20.744833617220277,
"professional": false,
"ui_class": ""
},
"description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 62,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-05-11T21:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-05-07T07:31:36.227942Z",
"ended": "2025-09-14T21:27:45.796249Z",
"start_waiting": "2025-05-07T07:31:35.684458Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 105802,
"name": "Torneo de miércoles!!!",
"director": {
"id": 746065,
"username": "Elnefo11",
"country": "co",
"icon": "https://secure.gravatar.com/avatar/1815dd1847a342bb3cf440bad4d14a91?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1138.825878978731,
"deviation": 64.91284272867738,
"volatility": 0.06000552542745924
}
},
"ranking": 17.926314021268468,
"professional": false,
"ui_class": ""
},
"description": "¨Péguelooo\"",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 35,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 30,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4802,
"name": "shibumi...",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 16,
"icon": "https://user-uploads.online-go.com/36aabf9977d858365e1702efb7172f85-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-07-27T04:26:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/36aabf9977d858365e1702efb7172f85-15.png",
"player_count": 1,
"ranked": true
},
{
"id": 70046,
"name": "9x9 fun",
"director": {
"id": 2408,
"username": "richyfourtytwo",
"country": "de",
"icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1531.5853467979348,
"deviation": 64.70082473222634,
"volatility": 0.059743482723634604
}
},
"ranking": 24.785788021889886,
"professional": false,
"ui_class": ""
},
"description": "As usual I'll do reviews for all games.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"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": 7785,
"name": "Students of r42",
"summary": "Group for players who are or have been playing teaching games with richyfourtytwo.\n\nI will review all ladder or tournament games within this group.\n\nPlaying is the best way to learn in the beginning, so join (at least) the 9x9 ladder and challenge each oth",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 9,
"icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-01-17T18:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-01-13T04:11:27.749767Z",
"ended": "2021-01-25T01:51:16.860048Z",
"start_waiting": "2021-01-13T04:11:27.436870Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/c3f4fc26def52c345456445d58e09485-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 131748,
"name": "19x19 Open League #98",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1286.2719941592866,
"deviation": 73.02024134436525,
"volatility": 0.060145553827939076
}
},
"ranking": 20.744833617220277,
"professional": false,
"ui_class": ""
},
"description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 62,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-08-31T21:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-08-31T10:13:31.640984Z",
"ended": null,
"start_waiting": "2025-08-31T10:13:31.155774Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 69866,
"name": "Good 😌",
"director": {
"id": 841903,
"username": "Clayton 2012",
"country": "hk",
"icon": "https://secure.gravatar.com/avatar/acf053bd9afd8eb70f1ce036e1cd7197?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 855.9249966897519,
"deviation": 65.68853498360008,
"volatility": 0.06007288177782305
}
},
"ranking": 11.315360920851413,
"professional": false,
"ui_class": ""
},
"description": "Have a good game",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"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": 3852,
"name": "Hong Kong ",
"summary": "First priority : HK people join plz \nThis group welcomes everyone, but only if you don't be rude.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 148,
"icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-01-08T05:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-01-08T05:02:25.932618Z",
"ended": "2021-01-09T10:01:50.098492Z",
"start_waiting": "2021-01-08T05:02:25.851019Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-15.png",
"player_count": 2,
"ranked": true
},
{
"id": 55756,
"name": "ZESDER Chess & Go Tournament Serie 1th",
"director": {
"id": 680909,
"username": "Naci Erdem",
"country": "tr",
"icon": "https://user-uploads.online-go.com/6905d6ea73c6f243a07e301d31650cef-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 756.8560448505139,
"deviation": 71.08402662824182,
"volatility": 0.06003015454350726
}
},
"ranking": 8.467686792216096,
"professional": false,
"ui_class": ""
},
"description": "ZESDER Go Tournament series ..",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"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": 4356,
"name": "ZESDER Chess & Go Clup - Balıkesir",
"summary": "Chess and Go ..",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 5,
"icon": "https://user-uploads.online-go.com/10233cc1a62ea6ed371c588e10df3295-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-01-20T11:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-01-20T16:24:18.845042Z",
"ended": "2020-07-06T16:08:09.891530Z",
"start_waiting": "2020-01-20T16:24:18.536949Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/10233cc1a62ea6ed371c588e10df3295-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 56030,
"name": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan",
"director": {
"id": 963,
"username": "thouis",
"country": "_LGBT",
"icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1312.0977408002827,
"deviation": 63.905269604233474,
"volatility": 0.05957681327733851
}
},
"ranking": 21.205034269327133,
"professional": false,
"ui_class": "supporter"
},
"description": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 89280,
"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": 38,
"name": "reddit",
"summary": "/r/baduk",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 2275,
"icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-02-02T17:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 24,
"max_ranking": 35,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-02-04T12:46:49.217334Z",
"ended": "2020-05-15T01:51:53.729865Z",
"start_waiting": "2020-02-04T12:46:48.282543Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 131716,
"name": "Correspondence 9x9 RoundRobin 2025-08-24 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": 5,
"name": "Correspondence 9x9 RoundRobin",
"rrule": "DTSTART:20251218T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-18T19:01:04.466352Z",
"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": "2025-12-21T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 95543,
"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": "2025-08-24T19:00:29.000229Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-08-24T19:00:29.267992Z",
"ended": "2025-09-14T13:14:40.715833Z",
"start_waiting": "2025-08-24T19:00:29.121918Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 5,
"ranked": true
}
]
}
