List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=5560
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=min_ranking&page=5559",
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            "description": "<h3>This is the warmup round for <em>RankedGo</em>! Everyone   will be able to join the warmup round (Members or non-members), but remember, once the season starts, only members would be able to participate in tournaments!: </h3>\n\nGood luck!",
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                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
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            "description": "Special league for players between 25kyu and 10kyu. 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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                "summary": "A group for Go players who love the 9x9 board.",
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                "is_public": true,
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        {
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        {
            "id": 139288,
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            "description": "My first hosting of a Go tournament, as last time that I tried, it did not start. I appreciate anyone who joins.",
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        {
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            "description": "あの皆きてねー\n招待するから",
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            "description": "May the best Go players BATTLE it out to see who wins!",
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                "summary": "You can't miss this group, join now!",
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                "admin_only_tournaments": false,
                "hide_details": false,
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        {
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