List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=1893
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Come and join this fun tournament created to celebrate Chirstmas!",
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            "description": "Correspondance semi rapide 3 jours max de temps + 10H par coups, Suspension les week end\nCommence le 10 Juillet\nEnjoy and have fun ! :)",
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