List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=4094
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Please, avoid delaying your games using the vacation feature.\nUse the conditionnal move feature to speed up the game.",
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            "description": "We need more 13x13 so why not.",
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