List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=analysis_enabled&page=4519
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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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": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
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            "description": "wekkly 9x9 tournament",
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            "description": "Automatic Sitewide Tournament",
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            "description": "for friends",
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        {
            "id": 11250,
            "name": "Go tournament",
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        {
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            "description": "To celebrate China Mid-Autumn Festival & National Foundation Day 2023",
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                "name": "华夏兄弟盟 Chinese Brotherhood ",
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