Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=423
{ "count": 59587, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=424", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=422", "results": [ { "id": 68985, "name": "🎇19x19 1d - 9d+ players Friendly Match🎇", "director": { "id": 770016, "username": "Patience_Tester", "country": "gb", "icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png", "ratings": { "version": 5, "overall": { "rating": 1699.5550767262548, "deviation": 65.6681831401549, "volatility": 0.06001585110944013 } }, "ranking": 27.19484934042681, "professional": false, "ui_class": "" }, "description": "1. Competition for 1d - 9d+\n2. 19x19\n3. 5 - 20 players\n4. Double elimination\n5. Stop counting time at weekends\n6. 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 40168, "name": "Blitz 19x19 Elimination Tournament 2018-08-21 13:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260509T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-09T17:00:50.366519Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { 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"2018-08-21T13:30:03.064845Z", "ended": "2018-08-21T14:10:18.755029Z", "start_waiting": "2018-08-21T13:30:02.352902Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 39929, "name": "Let's Go!", "director": { "id": 531122, "username": "Crisp Ayu", "country": "un", "icon": "https://user-uploads.online-go.com/e6194f988875abfe07af30d5851d9d84-64.png", "ratings": { "version": 5, "overall": { "rating": 1452.937413640652, "deviation": 61.92003439730497, "volatility": 0.05997507659651331 } }, "ranking": 23.565411150671014, "professional": false, "ui_class": "" }, "description": "Have fun :D", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": false, "per_move": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. 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"time_start": "2026-05-04T19:46:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-04T19:46:49.072241Z", "ended": "2026-05-04T20:07:26.776548Z", "start_waiting": "2026-05-04T19:46:49.031432Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": false }, { "id": 101514, "name": "張溢滇 李SIR", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "張溢滇 李SIR", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 29, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-03-25T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-03-25T10:02:44.831222Z", "ended": "2023-03-25T11:14:30.960048Z", "start_waiting": "2023-03-25T10:02:44.780738Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 99022, "name": "🌳 1. Peace on Earth Tournament 🌳", "director": { "id": 606239, "username": "Dandarabilla", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/bd67bcb72024c28da27a874af6a172af-64.png", "ratings": { "version": 5, "overall": { "rating": 960.7250332700462, "deviation": 65.60567228182434, "volatility": 0.06017534349410298 } }, "ranking": 13.989313032541691, "professional": false, "ui_class": "" }, "description": "Welcome 4 All Who Think So \n\ndedicated 2 my Son Raphael\n\nWith thx and respect 2 the ogs club hikaru no go", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 175535, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 172800, "initial_time": 345600, "max_time": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8304, "name": "club hikaru no go", "summary": "welcome all fan of Hikaru no go and on piece", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 115, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png" }, "auto_start_on_max": false, "time_start": "2023-02-04T16:01:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-02-04T16:01:02.432112Z", "ended": "2023-06-12T19:36:38.243171Z", "start_waiting": "2023-02-04T16:01:01.937037Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png", "player_count": 9, "ranked": true }, { "id": 3825, "name": "Blitz 19x19 Elimination Tournament 2014-12-30 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260509T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-09T17:00:50.366519Z", "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": "2026-05-09T21:00:00Z", "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": "2014-12-30T21:30:01.037724Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-12-30T21:30:02.617904Z", "ended": "2014-12-30T22:24:06.906269Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true } ] }
