List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4669
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "username": "qwertyhoped",
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                "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
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        },
        {
            "id": 71647,
            "name": "2月20日 馬悅思 VS 李子睿",
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                "name": "傳碁 C班",
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                "username": "傳碁學園-歷碁賽",
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                "name": "歷碁賽 A組",
                "summary": "",
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            "name": "1st Continental Go World Cup-Qualification Phase for Europa: Category 14-10k (Group 2)",
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                "username": "Mitsunari2",
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            },
            "description": "Hello <br>\nThis is the qualification phase for the European players who has a level between 14k and 10k.<br>\n(This is the group n°2. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.)\n<br>\n<span style=\"color:red;\">REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, French or german flag are considered as European flags).</p>\nHave fun :)",
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                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
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        {
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                "username": "Vsotvep",
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            },
            "description": "Another moderator tournament to celebrate the WSC: let's play some games and finish them within the same month. :)\n\nEveryone is welcome of course, regardless of WSC participation.\n\n2 weeks absolute time per player, so the games will end before 28 days, but be careful about timing out. Pausing & Vacation are at your own risk.",
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                "name": "Moderators",
                "summary": "OGS Moderators",
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        {
            "id": 134858,
            "name": "Первый тур",
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                "username": "Natan69",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/21b73c556d2dd7856a32ae118c3bbcbe?s=64&d=retro",
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                "ui_class": ""
            },
            "description": "Всем удачи!",
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            "title": null,
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                "period_time": 30,
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            "group": {
                "id": 13807,
                "name": "Лига Го",
                "summary": "",
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            "subsequent_pairing_method": "slaughter",
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            "ended": "2025-11-30T11:56:15.506153Z",
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        {
            "id": 56885,
            "name": "The 19th Murase Go Group Tournament",
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                "username": "SM-SYaKo",
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            "description": "毎月27日に開催される定例トーナメントです。これは第十九回村瀬碁グループ定例トーナメントです。2020年3月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 19th tournament that starts on March 27th, 2020.",
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                "name": "Murase Go Group",
                "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。",
                "require_invitation": false,
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            "subsequent_pairing_method": "strength",
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            "analysis_enabled": true,
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            "started": "2020-03-27T12:01:11.051299Z",
            "ended": "2021-02-14T11:06:26.448017Z",
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        {
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            "description": "Попробуем местный турнирчик",
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                "max_time": 604800
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            "group": {
                "id": 7062,
                "name": "Го в Томске",
                "summary": "Группа для игроков города Томска и области, а так же всех желающих регулярно взаимодействовать с нашим сообществом.",
                "require_invitation": false,
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                "member_count": 83,
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            "subsequent_pairing_method": "slaughter",
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