List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5938
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
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            "time_start": "2023-03-16T07:16:00Z",
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            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
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            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2023-03-16T07:16:55.072385Z",
            "ended": "2023-10-14T10:12:29.534509Z",
            "start_waiting": "2023-03-16T07:16:55.015982Z",
            "board_size": 19,
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            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 2,
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}