List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-description&page=1566
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "WSC Live Round Robin",
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                "name": "Go friends 🐬",
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        {
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                "username": "🐬Sofiam🐬",
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            "description": "Everyone play against everyone at the same time.\n🐬Sofiam🐬 tries to get her 3000th trophy.",
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            "ended": "2022-01-06T01:03:40.816135Z",
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        {
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            "name": "9x9 - 7 days absolute time.",
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                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
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                "professional": false,
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            },
            "description": "Everyone is welcome. Pauses and vacation mode are not allowed.",
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            "tournament_type": "s_mcmahon",
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            "exclude_provisional": false,
            "group": {
                "id": 6630,
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            "subsequent_pairing_method": "random",
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            "max_ranking": 38,
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            "ended": "2023-10-07T23:43:36.589570Z",
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            "name": "19x19 Double elimination.",
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                "username": "🐬Sofiam🐬",
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            },
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        {
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            "name": "13x13 Round Robin.",
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