List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclusivity&page=541
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "Challenge LRA en ligne",
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            "description": "Le deuxième tour du challenge Rhône-Alpes aura lieu le dimanche 15 mars sur le net. Ce sera un tournoi en règle française (AGA), sans handicap 10mn/joueurs + 15s/coups dès le premier coup (temps Fischer). Ce tournoi est ouvert à tous, y compris les débutants.\nkoeur koeur love on veut pleins de participants =)",
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            "description": "Happy New Year! New Years Resolution: More go! Start the year off instantly with a new tournament. Enter into the Chat Window what rank you hope to achieve by the end of 2017. Best wishes to everyone in 2017!",
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