List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=674
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Please note you are not welcome below 25k",
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                "name": "Chinese Group",
                "summary": "A random and great chat group and a place to play go like I will say in the group page",
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        {
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            "description": "Haftalık düzenli hızlı turnuva. Weekly fast paced tournament.",
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                "name": "IstanbulGO",
                "summary": "Istanbul Go Players's Association OGS group.",
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        {
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