List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=players_start&page=388
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=387",
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            "name": "奥运会奖牌榜7.30 15:00",
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                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
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                "username": "𝙿𝚞𝚝 𝙺.",
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            "description": "6th happy tourney, I will create a new tournament with this name every Monday, have fun!",
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            "name": "#14 Happy Tourney.",
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                "id": 1144866,
                "username": "𝙿𝚞𝚝 𝙺.",
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            "description": "14th happy tourney, I will create a new tournament with this name every Monday, have fun!",
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            "description": "Турнир для всех, но 9х9!",
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