Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=4785
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"started": "2019-06-29T13:30:25.096047Z", "ended": "2019-06-29T13:55:34.659747Z", "start_waiting": "2019-06-29T13:30:24.378517Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 128248, "name": "19x19 Open League #87", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1350.9506680742331, "deviation": 67.94488186874248, "volatility": 0.06020289863519509 } }, "ranking": 21.880582704343748, "professional": false, "ui_class": "" }, "description": "Open league for everyone. 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