List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5548
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "summary": "Who likes tournaments on a 19 by 19 board!Then come to us!BUT there is a problem, the The group is closed! write to us, that is, KunGo, Gost Go!",
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            "description": "Unfortunately only 19x19.",
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                "name": "Piyachat ",
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            "description": "Just to see how many Indian Go players are actually active on this site :D",
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