List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=2
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "vamos a jugar go",
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                "summary": "For every player who enjoy go game",
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            "description": "OGS เปลี่ยนแต้มต่อ กระดาน 9x9 เป็น 6.5 คะแนน\nทางทีมงานกำลังติดต่อเพื่อขอให้ทาง OGS ปรับคะแนน ลงมานะครับ",
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        {
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            "name": "Happy new year!",
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                "username": "the loser",
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            "description": "Have a happy 2020!",
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                "id": 4032,
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