List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=71
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "id": 20,
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                "summary": "A room for SDK's \r\n",
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                "is_public": true,
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                "id": 1009,
                "username": "Bray",
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            "description": "SDK round robin for fun.\n\nNote the time controls are slightly faster than the usual round robins in this group (4 hours instead of 8, still a 2 day max like normal).",
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            },
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                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
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            "name": "9x9 Mini League 1k-9k #54",
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                "username": "wiadp1",
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                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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                "admin_only_tournaments": false,
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        {
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            "tournament_type": "roundrobin",
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                "summary": "Like to play on a 13 x 13 board?",
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                "is_public": true,
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                "hide_details": false,
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        {
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            "name": "PG SDK 2023 9x9",
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            "description": "The Big One",
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            "exclude_provisional": true,
            "group": {
                "id": 11630,
                "name": "SDK Proving Grounds (Single Digit Kyu)",
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            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
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