Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=players_start&page=1429
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"2015-11-05T19:33:52.922716Z", "start_waiting": "2015-11-05T18:30:21.286121Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 86689, "name": "สาระRAILs361! 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