List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=52
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Всем привет!\nПредлагаю сыграть турнир по переписке. Включены условные ходы и анализ, так что можно делать разбор партий, делиться мнениями.",
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            "description": "Some of you couldn't join the last tournament for some reason, others have been timed out. I'm hereby setting up a second attempt...",
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