List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=53
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "A Tournament just for fun:)",
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        {
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            "name": "The tournament",
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            "description": "super",
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            "description": "A 13x13 tournament for 20k players and lower\n\n<hr/>\n\nJoin the group for more cat tournaments ^__^",
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        {
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