List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5785
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "*** Edition 4 | Plus10K***\n\nThe idea is to have a fast tournment every week.\n\nThe type of tournment is open for changes in future editions (feel free to comment in the tournment chat).\n\nThanks and have fun.",
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                "username": "Wulfenia.",
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                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
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            "name": "9x9 Mini League 10k-25k #275",
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                "username": "wiadp1",
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                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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            "name": "13x13 Mini League 10k-25k #44",
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        {
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        {
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            "name": "13x13 Mini League 10k-25k #6",
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