Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=5576
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"active_round": null, "icon": "https://user-uploads.online-go.com/1240e0df67f778e72fd391deb94e89a3-15.png", "player_count": 4, "ranked": true } ] }
