List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-rules&page=5619
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "illluck's 9 by 9 mini-tournament - Winner please review after.",
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                "id": 78,
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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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            "id": 49268,
            "name": "'Crazy Fun' Live Round-Robin 9x9 (3 simultaneous games each)",
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            "description": "Primer Torneo de Go",
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                "id": 2528,
                "name": "British School Punta Arenas",
                "summary": "Grupo que reúne a los alumnos del Taller de Go del British School - Punta Arenas\n",
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            "name": "第五届围棋锦标赛",
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            "description": "欢迎加入 https://online-go.com/group/13797  ^_^\n     本届改为瑞士制\n     每手棋14天\n     祝你愉快!",
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                "id": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
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        {
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            "name": "Reg Cor. 9x9 10player R-Robin. Starts when full. Jun'19A",
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                "username": "Kosh-retired",
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            "description": "---\n- STARTS WHEN FULL & Does NOT pause on the weekend.\n\n- Just one round. Ten players, nine games, Chinese Rules/Scoring.\n\n- If this suits you then, Bonne Partie :)\n\n- Note: Provisional players allowed & welcome.",
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                "id": 2014,
                "name": "The Nines 9x9 ",
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