List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=rules&page=3483
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=rules&page=3482",
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                "username": "🐬⚔️🐬 🍩🥂🕯️🌱",
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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\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
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