List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=288
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Happy Easter everyone! Since many people celebrate Easter, this tournament is hosted the day BEFORE Easter! DOUBLE ELIMINATION, PAIRINGS BASED ON RANK, AND NO HANDI-CAP!",
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            "description": "\"By filling\" MGG tournament. Invite your friends and let the game begin!",
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            "description": "1 тур будет закончится до 19, но все три могут занять до 21\nНе страшно, если кто-то не сможет доиграть, просто зачтут поражение (и уберут из турнира)",
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