Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=432
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"2020-10-12T10:15:43.815833Z", "start_waiting": "2020-10-12T08:52:11.253682Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 103639, "name": "13x13 Open D.E. 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