List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-id&page=2484
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=-id&page=2483",
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            "name": "Halloween 🎃💀👻",
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            "description": "¿Quién quiere jugar en Halloween?\n\nEste será un torneo por correspondencia, y es decir, si se te olvida jugar por un día, no pasa nada, tienes otro más.\n\nSe descalificara a todo aquel jugador que pause la partida o este de \"vacaciones\" en el servidor, ya que esto impedirá el avance de las rondas.",
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            "description": "If you win this tournament, you will get the power stone.\n\nIn the Marvel movies, there are 6 infinity stones, soul, reality, space, power, time, and mind. You need to try to collect all of the infinity stones. There will be tournaments to collect them.",
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        {
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            "name": "Christmas Tournament - Presents for everyone! 🎄🎄🎄",
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            "description": "Merry Christmas! Good luck to you all in this tournament, may fortune be given to you all!",
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