List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-players_start&page=5399
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "auto_start_on_max": false,
            "time_start": "2023-10-23T14:30:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-10-23T14:30:35.333211Z",
            "ended": "2023-10-23T14:54:04.514134Z",
            "start_waiting": "2023-10-23T14:30:35.173845Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-15.png",
            "player_count": 4,
            "ranked": true
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    ]
}