List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=5063
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5062",
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            "name": "9x9 Open D.E. Cup #201",
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                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "title": null,
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            "handicap": 0,
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                "max_time": 604800
            },
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                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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                "hide_details": false,
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            "ended": "2026-06-22T08:28:06.116629Z",
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            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
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        },
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            "id": 78481,
            "name": "中級リーグ(9級~6級)",
            "director": {
                "id": 776731,
                "username": "AYAMI.S",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png",
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            },
            "description": "キラキラリーグ内の【中級者向け】リーグ戦です。 持ち時間は14日。 2021年8月12日のリーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
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            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 13440,
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            "exclude_provisional": false,
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                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
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                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
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            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 38,
            "analysis_enabled": true,
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            "ended": "2021-09-06T10:04:08.222210Z",
            "start_waiting": "2021-08-12T11:00:40.397881Z",
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            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
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        },
        {
            "id": 79770,
            "name": "Ikkyu and songlong",
            "director": {
                "id": 983366,
                "username": "Ikkyu2012 GS",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/49ee75ce90f36952873b4d876c98285c-64.png",
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                "ui_class": ""
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            "title": null,
            "tournament_type": "mcmahon",
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            "time_control_parameters": {
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            },
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            "group": {
                "id": 10000,
                "name": "GO SENSE",
                "summary": "",
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                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
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            "max_ranking": 38,
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            "ended": "2021-09-06T11:08:24.926200Z",
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            "player_count": 2,
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        },
        {
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            "name": "1st Continental Go World Cup-Qualification Phase for Asia: Category 9-5k (Group 1) A",
            "director": {
                "id": 539970,
                "username": "Samioka",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/9582cd2660544491f2579526f26e3e1c-64.png",
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                },
                "ranking": 18.128292176051577,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello This is the qualification phase for the Asian players who have a level between 9k and 5k. (This is the group n°1. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.) REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, Chinese or korean flag are considered as Asian flags).\n\nHave fun :)",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 59520,
            "time_control_parameters": {
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                "time_control": "fischer",
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                "max_time": 259200,
                "time_increment": 57600,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2514,
                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 527,
                "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-06-30T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2018-07-18T10:20:14.910373Z",
            "ended": "2018-09-26T06:35:45.767935Z",
            "start_waiting": "2018-07-18T10:20:13.970787Z",
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            "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
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        {
            "id": 78479,
            "name": "上級リーグ(5級~1級)",
            "director": {
                "id": 776731,
                "username": "AYAMI.S",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png",
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                },
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                "ui_class": ""
            },
            "description": "キラキラリーグ内の【上級者向け】リーグ戦です。 持ち時間は14日間。 2021年8月12日のリーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 13440,
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                "speed": "correspondence",
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            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
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            "time_start": "2021-08-12T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-08-12T11:00:40.282116Z",
            "ended": "2021-09-07T11:23:08.348349Z",
            "start_waiting": "2021-08-12T11:00:38.721557Z",
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            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
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        },
        {
            "id": 79151,
            "name": "Chinchoporotos",
            "director": {
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                "username": "chinchoporoto",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/cb9798174e2b7e76cee3ae3aed48ba6f-64.png",
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                },
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                "professional": false,
                "ui_class": ""
            },
            "description": "Chinchoporotos",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
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                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 600,
                "max_time": 600
            },
            "is_open": true,
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            "group": {
                "id": 9792,
                "name": "Go Go Go!",
                "summary": "Club de Go virtual con Manuel y Marcos",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 17,
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            "time_start": "2021-08-22T22:50:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-08-22T22:49:34.611043Z",
            "ended": "2021-08-22T23:16:21.874857Z",
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        },
        {
            "id": 103975,
            "name": "第6期かおり杯棋聖戦Cリーグ2",
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                "username": "site_tmp",
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                "icon": "https://secure.gravatar.com/avatar/c0dc1d7bd3ca7246ad298f30213416f4?s=64&d=retro",
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                },
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            },
            "description": "このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nSapporoHeitaさん、hataruさん、アタリガールさん、TeTAsAさん、JethOrensinさん、chitatsusanさん",
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            "group": {
                "id": 2969,
                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
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        },
        {
            "id": 135992,
            "name": "Handicap Arena 2026 - 002",
            "director": {
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                "username": "Gia",
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                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
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                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.",
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            "title": null,
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            "time_per_move": 88451,
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                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
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            "subsequent_pairing_method": "slaughter",
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            "started": "2026-01-06T20:43:49.219413Z",
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        {
            "id": 101205,
            "name": "余丞浚 岑老師",
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                "username": "傳碁學園",
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                "ui_class": ""
            },
            "description": "余丞浚 岑老師",
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                "periods": 3
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                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
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            "time_start": "2023-03-17T08:00:00Z",
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