List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=61
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=60",
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            "description": "The first tournament for Coro-no-go! \n\nDays in lockdown: 14 and counting.",
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        },
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            "id": 86009,
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                "username": "AlBrickHead",
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                "ui_class": ""
            },
            "description": "Open Instrumentalka Double Elimination Weekly Challenge",
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            "group": {
                "id": 14897,
                "name": "Instrumentalka TLT GO",
                "summary": "Школа Го Тольятти",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
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            "start_waiting": "2025-01-12T15:00:30.189007Z",
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        },
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            "name": "Eリーグ(25k-17k)",
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            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.",
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            "handicap": -1,
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                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
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            "description": "Everyone is welcome. It is capped at 10 players. An identical tournament that starts after one week or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.",
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                "name": "Go friends 🐬",
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        {
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