List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-analysis_enabled&page=1276
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "username": "jeroentjeb",
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            "description": "Join to play other HGC members in a round robin style correspondence tournament (everyone plays everyone else once). All ranks are welcome! Handicap is enabled.",
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            "description": "A new year, a new tournament! Three skill levels and no handicap. Let’s hope this next year is better than the last.",
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                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
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            "description": "Super go to go!!!",
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            "group": {
                "id": 12279,
                "name": "Les Génies - Club de Go Suisse (Coinsins) et France (Moissac)",
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            "title": null,
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                "name": "GO Special Tournaments",
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                "name": "WSOIHHNNININ",
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                "username": "TOtest1",
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