List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-rules&page=5909
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": null,
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-rules&page=5908",
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            "description": "This is Dan group, I will invite every Dan players(Due to not enough 1D-4D players, we decided to conbine 1D-4D to 5D players).",
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                "name": "1st California Intercollegiate Go League (CIGL)",
                "summary": "",
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        },
        {
            "id": 41954,
            "name": "New Years day 2k19 Go",
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                "username": "zombiewarrior88",
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                "icon": "https://secure.gravatar.com/avatar/fb4e72418e490f4e6579d86b747db6f1?s=64&d=retro",
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            "description": "Welcome to the New Years Day Go. I'm your host, zombiewarrior88. This tournament is for rookies and pros both young and old. Keep it friendly and, more importantly, have fun. Enjoy. :)",
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            "tournament_type": "double_elimination",
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            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
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        {
            "id": 3986,
            "name": "spring tournament",
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                "username": "stargrazerfairy",
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            "description": "this a spring tournament everyone is welcome",
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            "group": {
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                "name": "Canadian Go Players",
                "summary": "Canadian Go Association",
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}