List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5765
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5766",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=5764",
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            "name": "3 -> 許恩語 4 -> 余丞浚",
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                "username": "傳碁學園",
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            "ended": "2022-11-25T07:14:58.012890Z",
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            "description": "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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            "id": 97181,
            "name": "JORNADA 10 DE ENTRENAMIENTO BÁSICO DE GO",
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                "username": "vaik.kanik",
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            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
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                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
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            "id": 97227,
            "name": "陳灝 居芷琪",
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                "country": "un",
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            "description": "陳灝\n居芷琪",
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                "name": "傳碁 C班",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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        {
            "id": 120657,
            "name": "第8期かおり杯棋聖戦Sリーグ",
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                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
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            "description": "黃穎兒Silvia\n黃星澄Sofie",
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                "username": "傳碁學園-歷碁賽",
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                "time_control": "absolute",
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                "pause_on_weekends": false,
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                "name": "歷碁賽 A組",
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