Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1485
{ "count": 60748, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1486", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1484", "results": [ { "id": 93868, "name": "Correspondence 9x9 RoundRobin 2022-08-25 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 Sitewide 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": 89280, "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": "2022-08-25T19:00:21.890631Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-08-25T19:00:23.654803Z", "ended": "2022-10-19T07:03:17.266084Z", "start_waiting": "2022-08-25T19:00:23.063806Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 3739, "name": "gold training correspondance tournament", "director": { "id": 61468, "username": "orplus", "country": "gf", "icon": "https://secure.gravatar.com/avatar/3fb96a4b0aa3ee612875f322da12034f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1407.103511390156, "deviation": 61.92125026532194, "volatility": 0.05962915318746959 } }, "ranking": 22.823361849733868, "professional": false, "ui_class": "" }, "description": "this type of tournament \"gold training\" is intended to allow double kyu to train with players of their level and avoid systematic predation first places tournaments with simple kyu.\nMoreover it guaranteed insurance to compete against several 9X9 motivated players.\nSo remember this name \"gold training\" that guarantees you motivating parameters enjoyable way to progress if you are double-kyu", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 242, "name": "la citรฉ du joueur perdu", "summary": "A place to learn, test, experiment, invent. 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