List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=309
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=max_ranking&page=308",
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            "description": "If you want to be stronger, then you should often play with those who are a little stronger than you. Training Grounds tournaments provide you with this opportunity.",
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                "id": 3516,
                "name": "Game Of Stones",
                "summary": "This group is no longer operated.",
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            "description": "\"enjoy the procedure and the goal will unfold\"",
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        {
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            "name": "2020 03 Ligeiro 01 DDK",
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            "description": "[ATENTE-SE PARA AS REGRAS] Este é um torneio por correspondência para ser jogado rápido, continuamente, sem entrar em modo férias. Os jogadores que entrarem no modo férias serão desclassificados e será analisada a exclusão do grupo. Há inúmeros torneios lentos que permitem férias e demoram meses, não é o caso deste. Bons jogos!",
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            "name": "go !!!  #1",
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                "username": "邱浚哲",
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            "description": "go !!!",
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                "username": "begingo1000",
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            "description": "Welcome to the 4th Beginners 9x9 Championship! This time the championship is expanded to 3 groups, each consisting of a round-robin tournament. Each tournament is equivalent and the winners, runners-up and two best third placed players of each tournament will qualify to a final-8 knockout tournament.\n\nIMPORTANT NOTES\n\nIf you do not manage to join a specific group you can join one of the remaining ones if there are still vacant places.\nPlayers with ranking between 10-25 kyu are allowed to join the tournament.\nEach player should join a SINGLE group. If someone joins two or more groups, the tournament manager will remove him/her automatically.",
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        {
            "id": 69210,
            "name": "Good 😌",
            "director": {
                "id": 841903,
                "username": "Clayton 2012",
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            "description": "Have a good game",
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                "id": 3852,
                "name": "Hong Kong ",
                "summary": "First priority : HK people join plz                                                                     \nThis group welcomes everyone, but only if you don't be rude.",
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            "name": "DDK.NL Go Club - Spring Double Elimination Tournament",
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                "username": "SuzieKyu",
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            "description": "Our seasonal Double Elimination Tournament.",
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            "title": null,
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                "id": 2979,
                "name": "Internatio.NL Go Club",
                "summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden",
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            "description": "This is the 1st Beginners 9x9 Invitational Tournament, for members and friends.\nThe tournament format is round robin and there is a limit for 10 players maximum. So, hurry up and join the tournament!",
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            "description": "just a little fun tournament plz join",
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