List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=134
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "name": "Kyu Tournament Group",
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            "name": "Winter-Spring 2018 Lviv 15-30k 9x9 - Tournament",
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                "username": "oldyew",
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                "name": "Lviv Club",
                "summary": "Lviv Go Players Group",
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                "summary": "Tournaments for people who like to play quick correspondence games.",
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                "name": "OGS Mini Tournaments",
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        },
        {
            "id": 139446,
            "name": "💫 For the beginners 2026 - 004 🐒",
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                "username": "Sipjin",
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                "icon": "https://user-uploads.online-go.com/5d60113dc259ac2f8bd5d6e440632725-64.png",
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            "description": "This is for all the beginners, that had no chance to participate in my other tournaments (Look at my group page: https://online-go.com/group/13788 and I'll invite you to join).\n\nI hope you enjoy that tournament mode.\n \nFeel free to contact me and give feedback.\n\nPlease no bots. The use of AI is not allowed.",
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                "id": 13788,
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                "summary": "A group for players who like to play Go with just their skills (no in-game analysis) and want to train and improve.",
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                "name": "Kyu Level Study Group",
                "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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                "summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
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        {
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                "name": "OGS Mini Tournaments",
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        {
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