Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=2475
{ "count": 59456, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=2476", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=2474", "results": [ { "id": 84378, "name": "jisososo", "director": { "id": 762174, "username": "Zero_bot", "country": "cn", "icon": "https://user-uploads.online-go.com/13a3826be76a6b5eda5623976ddf892d-64.png", "ratings": { "version": 5, "overall": { "rating": 3182.2485923956074, "deviation": 91.71549843860876, "volatility": 0.05986665851179916 } }, "ranking": 38, "professional": false, "ui_class": "bot" }, "description": "just so so so", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "aga", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5590, "name": "AI Communicate Group", "summary": "", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-02T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2022-01-02T11:09:34.057746Z", "ended": "2022-01-02T11:16:01.658957Z", "start_waiting": "2022-01-02T11:09:33.975972Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-15.png", "player_count": 5, "ranked": true }, { "id": 84376, "name": "join in", "director": { "id": 762174, "username": "Zero_bot", "country": "cn", "icon": 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"2022-01-02T11:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2022-01-02T10:29:11.523321Z", "ended": "2022-01-02T11:02:48.111532Z", "start_waiting": "2022-01-02T10:29:11.276225Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-15.png", "player_count": 6, "ranked": true }, { "id": 80093, "name": "Czech Republic Tournament", "director": { "id": 109488, "username": "DVbS78rkR7NVe", "country": "un", "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2026.1476299885521, "deviation": 66.05609734432652, "volatility": 0.059874270189468615 } }, "ranking": 31.26391960044579, "professional": false, "ui_class": "" }, "description": "Join the group for more cat tournaments ^__^", 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"DTSTART:20260423T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-23T19:00:17.022742Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-26T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": 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"player_count": 6, "ranked": true } ] }
