Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=ended&page=3240
{ "count": 58897, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=3241", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=3239", "results": [ { "id": 79034, "name": "Blitz 19x19 Elimination Tournament 2021-08-20 05:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260309T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-03-09T17:00:38.441368Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-03-09T21:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-08-20T05:30:44.605431Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-08-20T05:30:46.110871Z", "ended": "2021-08-20T06:08:32.558116Z", "start_waiting": "2021-08-20T05:30:45.778845Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 78886, "name": "Empire GO! 1.1.0 第一屆帝王杯 暑假競賽", "director": { "id": 1039471, "username": "天地一番棋", "country": "tw", "icon": "https://secure.gravatar.com/avatar/9048cbba2148ecb668a23bf8222fc973?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1228.4355348271145, "deviation": 74.43281544787166, "volatility": 0.06004533204799272 } }, "ranking": 19.679779193653342, "professional": false, "ui_class": "" }, "description": "享受圍棋! 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null, "auto_start_on_max": false, "time_start": "2021-08-20T11:30:59.239755Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-08-20T11:31:00.620782Z", "ended": "2021-08-20T12:10:56.766054Z", "start_waiting": "2021-08-20T11:31:00.449873Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 66403, "name": "Mid-November tournament", "director": { "id": 831021, "username": "SoccerGuy2000", "country": "_Klingon", "icon": "https://secure.gravatar.com/avatar/c5371f0736122d5ff89c096dfc05d98c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1417.4411374471954, "deviation": 63.04610532698031, "volatility": 0.0600406608939129 } }, "ranking": 22.992817207346068, "professional": false, "ui_class": "" }, "description": "have 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