HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58379,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5148",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5146",
"results": [
{
"id": 121822,
"name": "Correspondence 19x19 RoundRobin 2024-11-04 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": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251116T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-16T19:00:05.489289Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"pause_on_weekends": true,
"max_time": 432000,
"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": "2025-11-19T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"pause_on_weekends": true,
"max_time": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2024-11-04T19:00:34.457535Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-11-04T19:01:34.993408Z",
"ended": "2025-02-25T03:34:02.351658Z",
"start_waiting": "2024-11-04T19:01:34.463860Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 72398,
"name": "mr spocks tournament",
"director": {
"id": 915177,
"username": "mr spock",
"country": "ru",
"icon": "https://user-uploads.online-go.com/7792d01be6cca86342e371e6cb1d9656-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 918.8354226709188,
"deviation": 66.00660520275014,
"volatility": 0.06001812456311965
}
},
"ranking": 12.95725780951296,
"professional": false,
"ui_class": ""
},
"description": "tourment only for vulcans",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": 7952,
"name": "BGA Online Congress 2021",
"summary": "BGA Online Congress 2021",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 280,
"icon": "https://user-uploads.online-go.com/2b6f9aedb587d81d66122fd2b2dc2f10-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-03-09T15:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 7,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-03-09T23:12:37.192283Z",
"ended": "2021-05-06T16:47:58.644259Z",
"start_waiting": "2021-03-09T23:12:37.060878Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/2b6f9aedb587d81d66122fd2b2dc2f10-15.png",
"player_count": 4
},
{
"id": 68267,
"name": "Oink Oink",
"director": {
"id": 93396,
"username": "aguasnegras",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/62fe13b35920f3da1a5578fb2965f8e6-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1399.3218114615543,
"deviation": 66.32619227944001,
"volatility": 0.06014640423818642
}
},
"ranking": 22.694980158214875,
"professional": false,
"ui_class": ""
},
"description": "9x9, 3 days initial time to a maximum of 7 days, one increment per move",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 5077,
"name": "Go-Chu",
"summary": "Un lugar para recrearse",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17,
"icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-12-06T17:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 12,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-12-06T17:00:40.033004Z",
"ended": "2021-01-08T09:26:38.794540Z",
"start_waiting": "2020-12-06T17:00:39.771710Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/65da1f179d7dc95fd21b0071c57e8718-15.png",
"player_count": 5
},
{
"id": 69879,
"name": "Yaowen",
"director": {
"id": 756229,
"username": "mrrabbuit",
"country": "sg",
"icon": "https://user-uploads.online-go.com/95a91e6b595a49e91968bd28f3e90ce4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1348.0847977490964,
"deviation": 156.13884872211037,
"volatility": 0.05999992557636363
}
},
"ranking": 21.831420754602473,
"professional": false,
"ui_class": ""
},
"description": "8/1/2021",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 0,
"time_control_parameters": {
"system": "none",
"time_control": "none",
"speed": "correspondence",
"pause_on_weekends": false
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 5118,
"name": "SP Weiqi 2020/2021",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 21,
"icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-01-08T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-01-08T10:48:06.060284Z",
"ended": "2021-01-11T11:18:59.321085Z",
"start_waiting": "2021-01-08T10:48:05.990365Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
"player_count": 2
},
{
"id": 129661,
"name": "9x9 Mini League 10k-25k #309",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1330.0061912285266,
"deviation": 70.70952490294718,
"volatility": 0.06013477631623636
}
},
"ranking": 21.518865206515677,
"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": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-06-22T19:05:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-06-21T16:13:19.313796Z",
"ended": "2025-07-18T17:22:40.131446Z",
"start_waiting": "2025-06-21T16:13:19.166819Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5
},
{
"id": 69786,
"name": "OGS VN Tháng 2 2021",
"director": {
"id": 281554,
"username": "trung5000",
"country": "_DOOP",
"icon": "https://user-uploads.online-go.com/bbd482f273f613d97a246c2d297b822c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1835.5811249337535,
"deviation": 64.600322711016,
"volatility": 0.05992231533429032
}
},
"ranking": 28.977274873836265,
"professional": false,
"ui_class": ""
},
"description": "Giải tổ chức hàng tháng, giới hạn thời gian hoàn thành trong 1 tháng. Khuyến khích mọi người hẹn nhau chơi live. Link discord https://discord.gg/V68nfFrAc8",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13440,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 1209600
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 7685,
"name": "24HGO_OGS",
"summary": "<audio src=\"/music/good_enough.mp3\" controls>\t\n<p>Fallback content goes here.</p>\n</audio>",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 85,
"icon": "https://user-uploads.online-go.com/605421e94b90e6e3b22ec09b80180283-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-01-31T20:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-01-31T20:00:29.429738Z",
"ended": "2021-03-05T20:36:52.742806Z",
"start_waiting": "2021-01-31T20:00:28.355900Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/605421e94b90e6e3b22ec09b80180283-15.png",
"player_count": 10
},
{
"id": 69877,
"name": "Yukiat vs yu jun",
"director": {
"id": 693443,
"username": "SP 03-01",
"country": "sg",
"icon": "https://secure.gravatar.com/avatar/6c738280e2491d84d0334100d8ecaab6?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1302.2029466058048,
"deviation": 207.69787979725362,
"volatility": 0.05999933899023369
}
},
"ranking": 21.02979384612893,
"professional": false,
"ui_class": "provisional"
},
"description": "Poppin off boyz",
"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": false,
"group": {
"id": 5118,
"name": "SP Weiqi 2020/2021",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 21,
"icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-01-08T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-01-08T10:14:08.608541Z",
"ended": "2021-01-11T12:28:26.622143Z",
"start_waiting": "2021-01-08T10:14:08.514060Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
"player_count": 2
},
{
"id": 79086,
"name": "21/8 4 -> 王善緯\t3 -> 區思源",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://user-uploads.online-go.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": "21/8 4 -> 王善緯\t3 -> 區思源",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 26,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 20,
"periods": 2
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6399,
"name": "傳碁 B班",
"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": "2021-08-21T09:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-08-21T08:37:34.847480Z",
"ended": "2021-08-21T08:56:03.842380Z",
"start_waiting": "2021-08-21T08:37:33.979046Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 27037,
"name": "MafiaScum Bi-Weekly Correspondence Tourney #2",
"director": {
"id": 189616,
"username": "tn5421",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/e085243bdd6fe135bd1d268e61a232f3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 899.9757295280342,
"deviation": 80.6395572313478,
"volatility": 0.059991559088907825
}
},
"ranking": 12.47714469307053,
"professional": false,
"ui_class": ""
},
"description": "Welcome to the second correspondence tournament!\nThis time featuring 19x19 boards.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 44640,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 129600,
"max_time": 259200,
"time_increment": 43200,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 1577,
"name": "Mafiascum Go Club",
"summary": "Go players of mafiascum.net",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 8,
"icon": "https://user-uploads.online-go.com/210ac1551bacd4303c41bc29dd07b524-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-05-22T17:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 14,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2017-05-22T17:00:17.572862Z",
"ended": "2017-07-05T04:53:08.087689Z",
"start_waiting": "2017-05-22T17:00:13.934774Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/210ac1551bacd4303c41bc29dd07b524-15.png",
"player_count": 5
},
{
"id": 51627,
"name": "November Correspondence tournament",
"director": {
"id": 607169,
"username": "Koreadars",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/1910420678f28b78fe5b8898350c77ff-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2357.1359340613008,
"deviation": 75.92640303674303,
"volatility": 0.0600299512870185
}
},
"ranking": 34.76676980364381,
"professional": false,
"ui_class": ""
},
"description": "Please note that bot players can't play!",
"schedule": null,
"title": null,
"tournament_type": "s_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": 3,
"name": "OGS",
"summary": "An open group for folks' who like OGS!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1769,
"icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-11-01T08:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-11-01T08:00:32.418866Z",
"ended": "2021-08-22T06:35:06.726740Z",
"start_waiting": "2019-11-01T08:00:04.468034Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
"player_count": 100
}
]
}
