List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=570
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "ทดลองเปิดแข่งขัน กระดาน 9x9 โหมดเกมยาว\nการวางหมากจะต้องกด submit move เพื่อยืนยัน",
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                "summary": "ขอใช้กลุ่มนี้เป็นที่นัดหมายแข่งขันนะครับ",
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                "name": "OGS Mini Tournaments",
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        {
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            "name": "gg :/",
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            "description": "gg :/",
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                "name": "GoBanDit+",
                "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
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        {
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            "description": "Torneo de partidas en vivo de aproximadamente 20 minutos. 3 rondas, emparejamiento por \"masacre\".",
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                "name": "Universidad El Bosque",
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        {
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            "name": "Defunct.",
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            "description": "NOTE TO ALL PLAYERS OF THE MEMORIAL WEEKEND TOURNAMENT: Due to my own stupidity and lack of experience with the site, I unwittingly started the games early, causing most of the matches to time out. My deepest apologies go out to you guys, and I hope that my next experience organizing a tournament turns out better.",
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                "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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        {
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            "description": "Special league for players between 9kyu and 1kyu. 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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        {
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