List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=780
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Бажаємо вдалої гри у весінньому турнірі!",
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            "description": "Se está apretando la tabla de posiciones. ¡No dejen ir ni un punto!",
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            "description": "楽しみましょう!",
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