List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-auto_start_on_max&page=3416
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-02-24T15:00:00Z",
                "base_points": "10.0"
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            "handicap": 0,
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            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
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                "periods": 5
            },
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            "group": null,
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}