Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=5823
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"time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2007-11-09T09:33:00Z", "ended": "2007-11-29T16:20:00Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 355, "name": "Ukino-kun's mini-tournament", "director": { "id": 3822, "username": "Ukino-kun", "country": "us", "icon": "https://secure.gravatar.com/avatar/fe78c92d46e217fec03aa7ad264679f1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1234.3148191585678, "deviation": 68.55450127714668, "volatility": 0.059998653723032085 } }, "ranking": 19.79031064936046, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", 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"9x9 Battles", "director": { "id": 42360, "username": "Henrib736", "country": "us", "icon": "https://user-uploads.online-go.com/cfd31e74c2d9b1ad2b6d571ecc820cf6-64.png", "ratings": { "version": 5, "overall": { "rating": 1345.0585409259156, "deviation": 64.53637528197693, "volatility": 0.06005390268858446 } }, "ranking": 21.7793939100321, "professional": false, "ui_class": "" }, "description": "9x9 Battles", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. 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