List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-board_size&page=3254
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "exclude_provisional": true,
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                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-05-27T15:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
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            "handicap": 0,
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            "exclude_provisional": true,
            "group": null,
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}