Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=3616
{ "count": 59351, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=3617", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=3615", "results": [ { "id": 33685, "name": "Live 9x9 Double Elimination Tournament 2018-01-15 02:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260211T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-11T10:00:45.416976Z", "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": "2026-02-11T14:00:00Z", "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, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-01-15T02:30:26.005754Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-01-15T02:30:30.604555Z", "ended": "2018-01-15T03:15:36.235187Z", "start_waiting": "2018-01-15T02:30:29.323804Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 33680, "name": "L'incapacità", "director": { "id": 498678, "username": "AndreaBulleri", "country": "un", "icon": "https://secure.gravatar.com/avatar/94a602d238b83dafbe341c5bc62c679e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1279.0069599340648, "deviation": 170.69543185859888, "volatility": 0.05999933014676096 } }, "ranking": 20.6137087025621, "professional": false, "ui_class": "provisional" }, "description": "stocazzo", "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": 2101, "name": "Gli allievi di Isamu", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-01-14T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-01-17T12:57:21.954287Z", "ended": "2018-03-03T07:32:41.678723Z", "start_waiting": "2018-01-17T12:57:21.681789Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 38271, "name": "Correspondence 9x9 5-simultaneous games. 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 56643, "name": "Live 9x9 Double Elimination Tournament 2020-02-16 22:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260211T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-11T10:00:45.416976Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, 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"open", "started": "2020-02-16T22:30:38.527029Z", "ended": "2020-02-16T23:18:33.789371Z", "start_waiting": "2020-02-16T22:30:36.907452Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 14, "ranked": true }, { "id": 40482, "name": "Pardubice", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 803.0675963374835, "deviation": 63.75569687862416, "volatility": 0.05991858456033788 } }, "ranking": 9.839690528014508, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "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": 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30982, "name": ">;-D jeej join...................................", "director": { "id": 475800, "username": "itsjeboylars2", "country": "un", "icon": "https://secure.gravatar.com/avatar/a1c268651a21666b04c19de56b134f7e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1349.64173046151, "deviation": 250.47011872588507, "volatility": 0.05999899010794846 } }, "ranking": 21.858141770181447, "professional": false, "ui_class": "provisional" }, "description": ":-D jeej join...............................................", "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": 1812, "name": "Science_CCC", "summary": "", "require_invitation": false, "is_public": true, 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"player_count": 4, "ranked": true } ] }