Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=1047
{ "count": 59536, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1048", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1046", "results": [ { "id": 33495, "name": "Tournament 5627840", "director": { "id": 498204, "username": "duncancharlton13", "country": "un", "icon": "https://user-uploads.online-go.com/492fc273e55ef71970d7fe7ae7496b0d-64.png", "ratings": { "version": 5, "overall": { "rating": 1005.1837012678831, "deviation": 166.3697083023885, "volatility": 0.0599994565249076 } }, "ranking": 15.03655765545122, "professional": false, "ui_class": "provisional" }, "description": "Tournament 5627840", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17931, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-01-08T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-01-11T19:53:10.278338Z", "ended": "2018-04-16T09:58:06.075404Z", "start_waiting": "2018-01-11T19:53:09.448900Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 36401, "name": "04/16/2018", "director": { "id": 21742, "username": "დათო", "country": "ge", "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png", "ratings": { "version": 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"name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260501T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-01T02:00:48.776638Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-01T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, 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"slaughter", "min_ranking": 5, "max_ranking": 17, "analysis_enabled": true, "exclusivity": "invite", "started": "2018-05-07T09:13:08.896031Z", "ended": "2018-06-13T12:02:45.890430Z", "start_waiting": "2018-05-07T09:13:07.740906Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }