Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=description&page=5077
{ "count": 59124, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=description&page=5078", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=description&page=5076", "results": [ { "id": 125924, "name": "Handicap Arena 2025 - 015", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1078.1448882427935, "deviation": 63.760610974791845, "volatility": 0.06007024771561202 } }, "ranking": 16.65871417672447, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. 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For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-12-29T17:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-28T11:55:34.492895Z", "ended": null, "start_waiting": "2025-12-28T11:55:33.963217Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 131615, "name": "Handicap Arena 2025 - 069", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1078.1448882427935, "deviation": 63.760610974791845, "volatility": 0.06007024771561202 } }, "ranking": 16.65871417672447, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. 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