HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57762,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=520",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=518",
"results": [
{
"id": 86230,
"name": "SDK DDK Ultra Fast Handicap 3",
"director": {
"id": 886972,
"username": "Babbo Bruno",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1131.3976723593637,
"deviation": 65.42032787721304,
"volatility": 0.05982797480368914
}
},
"ranking": 17.774819163570957,
"professional": false,
"ui_class": "supporter"
},
"description": "Note the extreme time requirements, you must make 6 moves per day.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": -1,
"rules": "japanese",
"time_per_move": 16320,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 14400,
"initial_time": 172800,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 508,
"name": "Fast Correspondence",
"summary": "Tournaments for people who like to play quick correspondence games.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 788,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-02-25T17:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 10,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-02-25T17:00:27.006268Z",
"ended": "2022-04-15T10:15:05.032111Z",
"start_waiting": "2022-02-25T17:00:26.819244Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 15
},
{
"id": 83031,
"name": "Happy New Year Eve Competition—Low-Medium Level Group 19x19",
"director": {
"id": 1065846,
"username": "Felix the Phoenix",
"country": "nz",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e332d5696cee3ae659e518b6dae79a6f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1442.0911710199657,
"deviation": 60.525251779380696,
"volatility": 0.05994262403078612
}
},
"ranking": 23.391947100744954,
"professional": false,
"ui_class": ""
},
"description": "This competition will be held at 31st December 2021. Feel free to join!\n\nP.S. This date is close to the New Year, so we'll celebrate that at the same time.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 26880,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 10593,
"name": "Felix the Phoenix's Go Club of Fun",
"summary": "Felix the Phoenix's Go Club of Fun is a social club which allows players to game, chat and have fun. I hope you'll have a great time in the club!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 6,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/905298dfa79456e1a238f56390c1f642-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-12-31T00:00:00Z",
"players_start": 2,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-12-31T00:00:09.188003Z",
"ended": "2023-07-12T18:01:19.591170Z",
"start_waiting": "2021-12-31T00:00:08.689730Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/905298dfa79456e1a238f56390c1f642-15.png",
"player_count": 29
},
{
"id": 632,
"name": "Zeek's Tournament of Evil",
"director": {
"id": 21209,
"username": "zeek_cannon",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/31d286248f982147d424cf70b5bad573?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1391.2779710978336,
"deviation": 69.55310910573527,
"volatility": 0.05999280802475951
}
},
"ranking": 22.561521092303988,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 78,
"name": "OGS Mini Tournaments",
"summary": "The home for all of the old OGS mini tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 380,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 7,
"max_ranking": 29,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-12-01T05:42:04Z",
"ended": "2008-12-01T04:42:04Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 103129,
"name": "hugo lin",
"director": {
"id": 1053160,
"username": "Hugo2015",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/d64c04b3a494f6552609d5608aea189d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 918.2364146524483,
"deviation": 68.4463320665251,
"volatility": 0.060046845211016185
}
},
"ranking": 12.942160919084069,
"professional": false,
"ui_class": ""
},
"description": "hugo lin",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": 10082,
"name": "EYGC 2021",
"summary": "26th European Youth Go Championships, U12, U16 and U20, October 15-17, 2021",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 191,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6ea883d4959c6e13816367dbbb68f852-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-05-19T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-05-27T17:38:57.936529Z",
"ended": "2023-06-16T16:15:13.067146Z",
"start_waiting": "2023-05-27T17:38:57.837511Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6ea883d4959c6e13816367dbbb68f852-15.png",
"player_count": 4
},
{
"id": 129035,
"name": "telmich's experimental tournament - random round 3",
"director": {
"id": 1524436,
"username": "telmich",
"country": "ch",
"icon": "https://secure.gravatar.com/avatar/ebdfc657470c327d3dbda9a2e3de7522?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1105.4389646288028,
"deviation": 63.30713971796866,
"volatility": 0.05960037551233894
}
},
"ranking": 17.237479016108953,
"professional": false,
"ui_class": "supporter"
},
"description": "Still experimenting with the tournament settings to make the tournament most fun.\n\nThis is a simultaneous McMahon, meaning games start in parallel. It also uses random pairing in all steps so that you get to play not in slaughter mode (against the strongest/weakest), but someone you would not normally play with.\n\nThe previous tournament (https://online-go.com/tournament/128245) uses double elimination, which seems to be waiting for everyone to finish - not in this one!\n\nMore to read for those who are interested:\n\nhttps://en.wikipedia.org/wiki/McMahon_system_tournament\n\nhttps://senseis.xmp.net/?McMahonPairing",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 91187,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 604800,
"period_time": 86400,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 15384,
"name": "Wait, don't go!",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2025-06-23T02:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-06-23T02:00:28.546292Z",
"ended": null,
"start_waiting": "2025-06-23T02:00:27.527208Z",
"board_size": 19,
"active_round": 1,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 18
},
{
"id": 89686,
"name": "9x9 Mini League 1k-9k #19",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1287.4055455325429,
"deviation": 68.38495698876757,
"volatility": 0.06012187736003371
}
},
"ranking": 20.765226005608515,
"professional": false,
"ui_class": ""
},
"description": "Special league for players between 9kyu and 1kyu. 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": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"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": 674,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-05-08T20:10:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-05-08T10:04:16.864066Z",
"ended": "2022-05-29T01:12:43.643394Z",
"start_waiting": "2022-05-08T10:04:16.669253Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5
},
{
"id": 117186,
"name": "Go advance forward forever - Kyu rank Warriors tournament DE #5",
"director": {
"id": 1436588,
"username": "Arrow A6 anti-",
"country": "zz",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e54ae4e69ed9cc2f90415aeec7635644-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 699.1345036938818,
"deviation": 70.3803202488705,
"volatility": 0.06360285311704142
}
},
"ranking": 6.631199068197563,
"professional": false,
"ui_class": ""
},
"description": "All Kyu rank players welcome to joining and play Have Fun Enjoy 🎊\n\nWish all players will get what you want to achieve😎\n\n<H2><a Href=\"https://online-go.com/group/13797\"> 无间勤碁术化 welcome to join\n</a></h1>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/ZHhqwBwmRkI\"width=\"360\" height=\"240\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/oautjk0v9pI\"width=\"360\" height=\"240\">\n</p>\n\n\n<a href=\"https://info.flagcounter.com/2eiz\"><img src=\"https://s01.flagcounter.com/mini/2eiz/bg_000000/txt_FFFFFF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n\n<p style=\"display:none;83512\"> \n</p> \n\n<div style=\"display:none;12345\"> \n</div>",
"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",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 13797,
"name": " 无间勤碁术化 Go Advance forward forever",
"summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 468,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/175d0b2a36101a52411db11b4d096829-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-06-21T08:00:00Z",
"players_start": 6,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-06-21T08:00:48.471483Z",
"ended": "2025-06-23T20:52:19.075454Z",
"start_waiting": "2024-06-21T08:00:48.078840Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/175d0b2a36101a52411db11b4d096829-15.png",
"player_count": 11
},
{
"id": 125804,
"name": "13x13 New Zealand 15k-1k League #10",
"director": {
"id": 178104,
"username": "dexonsmith",
"country": "ca",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/448e520df4ffd817b1802a450a4c9058-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1306.8420247417312,
"deviation": 68.95583095423794,
"volatility": 0.06063865202648565
}
},
"ranking": 21.112118814233526,
"professional": false,
"ui_class": "supporter"
},
"description": "15k-1k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "nz",
"time_per_move": 90782,
"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": 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": 80,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6d3f1240da125f52148d02ea549146da-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-04-15T03:14:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-04-11T04:12:51.330050Z",
"ended": "2025-05-29T09:32:15.518829Z",
"start_waiting": "2025-04-11T04:12:51.193050Z",
"board_size": 13,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6d3f1240da125f52148d02ea549146da-15.png",
"player_count": 5
},
{
"id": 31354,
"name": "⭐Kyu💀Kup⭐",
"director": {
"id": 454896,
"username": "Yose Yogi",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/b85640fac60218f2e7eba0400ea025b4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1063.3939164746607,
"deviation": 65.51912805468052,
"volatility": 0.06000653074330499
}
},
"ranking": 16.3397935983016,
"professional": false,
"ui_class": ""
},
"description": "Never done this, all players welcome with hopes of fair chances to win. \n\nDisclaimer: Bloodbaths welcome, if a disagreement in life or death in end game occurs a review will be needed, the two will be suggested strongly to play a 17x17 blitz aferwards. 😎 have fun roast lightly but be respectful,",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87360,
"time_control_parameters": {
"period_time": 86400,
"main_time": 86400,
"system": "byoyomi",
"pause_on_weekends": true,
"time_control": "byoyomi",
"periods": 5,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1838,
"name": "The Unusual Pack",
"summary": "For those who go up in ranking and then hit that wall.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 35,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6558d2a006496b901cb456e3373e391b-64.png"
},
"auto_start_on_max": true,
"time_start": "2017-10-23T22:30:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-10-24T15:07:31.994195Z",
"ended": "2017-12-26T04:59:04.955820Z",
"start_waiting": "2017-10-24T15:07:31.482653Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6558d2a006496b901cb456e3373e391b-15.png",
"player_count": 4
},
{
"id": 32069,
"name": "Correspondence 19x19 RoundRobin 2017-11-22",
"director": {
"id": 476339,
"username": "VPshunt5",
"country": "jp",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/361fa36feaf2a08946eb4f238b96128d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2120.0971932493453,
"deviation": 84.04982835529422,
"volatility": 0.05979076239564588
}
},
"ranking": 32.31320869008956,
"professional": false,
"ui_class": ""
},
"description": "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": 873,
"name": "楽碁倶楽部(Rakugo Club)",
"summary": "碁は楽しまないとね",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 8,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2017-11-22T01:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-11-22T01:00:19.791000Z",
"ended": "2018-01-15T02:03:51.294050Z",
"start_waiting": "2017-11-22T01:00:16.222934Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 8
}
]
}