List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-player_count&page=5315
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=-player_count&page=5314",
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            "description": "Pierwszy turniej 13x13.\n\nNa razie gramy hardo, bez handicapów, potem może to zweryfikujemy (np. przy kolejnym turnieju 19x19).\n\nChciałem ustawić mecz i rewanż, ale chyba się nie da, może któryś z Was potrafi ogarnąć. (obecnie system \"Kołowy\").\n\nJak jakieś uwagi to dawać.",
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            "description": "Join up, play Go while in quarantine!!",
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            "description": "Teraz jest dobrze.\n\nTu gramy bez handicapów, przy kolejnym 19x19 się zastanowimy. Jak jakieś uwagi to dawać.",
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        {
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