List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4395
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "por ĉiuj",
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            "title": null,
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                "initial_time": 604800,
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            "exclude_provisional": true,
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                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.png"
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