List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1713
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=subsequent_pairing_method&page=1712",
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            "id": 100643,
            "name": "Happy New Year's Tournament 2024",
            "director": {
                "id": 1033608,
                "username": "NetCat",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro",
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            "description": "Good feeling to all GO lovers (^-^)\n#GFTAGL LEAGUE",
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                "max_time": 604800
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            "group": {
                "id": 11969,
                "name": "OST GO",
                "summary": "For Olympic tournaments",
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        {
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            "name": "19x19 Open League #108",
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            "description": "楽しみましょう!",
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        {
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        {
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                "username": "deleted-a78034f6-e072-4e22-87db-12535f220c5a",
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