Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1500
{ "count": 60770, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1501", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1499", "results": [ { "id": 140239, "name": "Correspondence 9x9 RoundRobin 2026-05-15 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Site-wide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260821T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-21T19:00:17.332067Z", "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": "2026-08-24T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-05-15T19:00:49.850112Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-15T19:00:49.974486Z", "ended": "2026-06-23T14:57:46.684926Z", "start_waiting": "2026-05-15T19:00:49.917002Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 14111, "name": "Love is in the Air 2016", "director": { "id": 164749, "username": "Expt626", "country": "_GoT_Targaryen", "icon": "https://user-uploads.online-go.com/16cf140627e78aed34e492f13cb94ecd-64.png", "ratings": { "version": 5, "overall": { "rating": 1433.6084656552916, "deviation": 64.5987255670871, "volatility": 0.06001154440807151 } }, "ranking": 23.255371502752002, "professional": false, "ui_class": "" }, "description": "Seattle has their new group here on OGS... 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