List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=458
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Part of an arena tournament - 2026. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
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            "name": "God of Go Autumn Training Friendly Tournament 13x13",
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            "description": "The first place will get 5000 GOT, second place 2000 GOT, third place 1000 GOT.\n\nThe final game will be reviewed by a Professional Go Teacher from the Singapore Weiqi Association or The Go Academy.",
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                "name": "God of Go",
                "summary": "FIRST DECENTRALIZED GO LEARNING AND PLAYING PLATFORM",
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            "name": "2021-10-06 Welcome New Players! - Round Robin",
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                "username": "Feijoa",
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            "description": "Automatic Sitewide Tournament",
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        {
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            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
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                "name": "GO Special Tournaments",
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            "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 10 players.",
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                "summary": "A group for Go players who love the 9x9 board.",
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