List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=description&page=4269
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "time_start": "2020-03-29T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 11,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-29T02:00:25.158131Z",
            "ended": "2020-05-30T08:11:43.042223Z",
            "start_waiting": "2020-03-29T02:00:22.002463Z",
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}