List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclusivity&page=5091
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=exclusivity&page=5090",
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                "username": "wiadp1",
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            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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                "id": 3524,
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        },
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            "description": "Fast tournament: pay attention, 12 hours increment is something like two movements per day.\n\nQuoted from Fast Correspondence Group (thanx):\n“Use the conditional move feature to speed up the game. No pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified. Also, please do not use AI.”\n\nAnd I add: and no weekends, just make your move; it's a tournament, my friend!",
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            },
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                "id": 15509,
                "name": "Fast and narrow rank range tournaments",
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        {
            "id": 131802,
            "name": "Live 19x19 Swiss Tournament 2025-08-26 12:30",
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                },
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        {
            "id": 131804,
            "name": "Blitz 19x19 Elimination Tournament 2025-08-26 13:30",
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            "description": "Automatic Site-wide Tournament",
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        {
            "id": 131811,
            "name": "Blitz 13x13 Swiss Tournament 2025-08-26 19:30",
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            "description": "Automatic Site-wide Tournament",
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                },
                "next_run": "2026-04-16T03:00:00Z",
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            },
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            },
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            "ended": "2025-08-26T20:33:55.237125Z",
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        {
            "id": 131813,
            "name": "Blitz 19x19 Elimination Tournament 2025-08-26 21:30",
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        {
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        {
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                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
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