Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3651
{ "count": 59625, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3652", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3650", "results": [ { "id": 28664, "name": "Live 19x19 Swiss Tournament 2017-07-17 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260513T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-13T00:00:49.718859Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-05-13T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2017-07-17T20:30:59.558879Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-07-17T20:31:04.306694Z", "ended": "2017-07-17T22:10:58.716193Z", "start_waiting": "2017-07-17T20:31:02.622574Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 29093, "name": "NM/>s2\\]^Z[2bULq", "director": { "id": 461062, "username": "4ee6eb1de2294c04", "country": "un", "icon": "https://secure.gravatar.com/avatar/f3d87a36c04a186816000b0cc6045b6d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 855.1128194166896, "deviation": 86.06345096476642, "volatility": 0.059979155383882286 } }, "ranking": 11.293383726535195, "professional": false, "ui_class": "" }, "description": "The primary objective of this group is to matchmake novice players against each other", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 222, "name": "Low-Rating 30k's", "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 279, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png" }, "auto_start_on_max": true, "time_start": "2017-08-09T21:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-08-08T05:11:28.558814Z", "ended": "2017-10-31T08:43:49.409491Z", "start_waiting": "2017-08-08T05:11:25.085560Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png", "player_count": 3, "ranked": true }, { "id": 25859, "name": "Triple Fifteen", "director": { "id": 434412, "username": "ogo32217", "country": "un", "icon": "https://secure.gravatar.com/avatar/09da0e097a261255586a0ed8208053ff?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2204.651630577326, "deviation": 75.52891749990754, "volatility": 0.06001378948961065 } }, "ranking": 33.21854898753181, "professional": false, "ui_class": "" }, "description": "Fun tournament for all players. 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"active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 25134, "name": "1 апреля день дурака", "director": { "id": 400855, "username": "Россия74", "country": "ru", "icon": "https://user-uploads.online-go.com/1309b4d405934cf82ecafadaaf2640f7-64.png", "ratings": { "version": 5, "overall": { "rating": 1225.0763863624788, "deviation": 64.68521724094444, "volatility": 0.06006601695331533 } }, "ranking": 19.616388969318905, "professional": false, "ui_class": "" }, "description": "этот турнир для тех кто хочет отметить этот день игрой в го", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "time_control": "simple", "speed": "live", "system": "simple", "pause_on_weekends": false, "per_move": 60 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1489, "name": "OGS россия", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/461e26a4b6a05e909549c400b65b55c2-64.png" }, "auto_start_on_max": false, "time_start": "2017-04-01T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-04-01T07:01:00.157441Z", "ended": "2017-04-01T07:06:00.660684Z", "start_waiting": "2017-04-01T07:00:59.740890Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/461e26a4b6a05e909549c400b65b55c2-15.png", "player_count": 2, "ranked": true }, { "id": 25954, "name": "Blitz 19x19 Elimination Tournament 2017-04-01 09:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { 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