List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5051
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Die Vorgabe ist automatisch,und mit 7 Tage Bedenkzeit eine gute Überbrückung des Lockdowns.\nViel Spaß",
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            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
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            "description": "pls join\nthx",
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            "description": "This tournament is for all go lovers for providing go skills for all participants...\nWelcome to all who want to play go for fun!",
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        {
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