Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-players_start&page=4735
{ "count": 59290, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-players_start&page=4736", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-players_start&page=4734", "results": [ { "id": 133041, "name": "Sente Tournament 2", "director": { "id": 1864696, "username": "The Atari Union", "country": "in", "icon": "https://user-uploads.online-go.com/97a3545e27ab6dc2768c65861fc96dd0-64.png", "ratings": { "version": 5, "overall": { "rating": 275.4271587796327, "deviation": 83.19570494461763, "volatility": 0.059985568052562735 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Weekly tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 4787, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15743, "name": "The Aji Union (+25k Beginners)", "summary": "This group is open for all and beginner friendly. If you do not wish to join this group try the The Opening Tournament on Oct 7th, it is called The Aji Tournament!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-64.png" }, "auto_start_on_max": false, "time_start": "2025-10-17T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-17T18:00:46.000632Z", "ended": "2025-12-19T20:20:16.930316Z", "start_waiting": "2025-10-17T18:00:45.841042Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-15.png", "player_count": 14, "ranked": true }, { "id": 133055, "name": "Live 9x9 Double Elimination Tournament 2025-10-04 10:30", "director": { "id": 4, "username": "matburt", 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"player_count": 5, "ranked": true }, { "id": 135621, "name": "Live 9x9 Double Elimination Tournament 2025-12-22 06:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260410T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-10T10:00:34.755048Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, 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"2025-12-22T06:55:15.334592Z", "start_waiting": "2025-12-22T06:31:09.936274Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 135622, "name": "ซ้อมก่อนแข่งจริง", "director": { "id": 564908, "username": "Sarawoot Kanya", "country": "th", "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1447.290260342702, "deviation": 65.68510695068778, "volatility": 0.06068621375607203 } }, "ranking": 23.475258391122175, "professional": false, "ui_class": "" }, "description": "ซ้อมก่อนแข่งขันจริง", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14733, "name": "ศรีสังวาลย์", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/77a325d663f63d21c325d52de886e9e2-64.png" }, "auto_start_on_max": false, "time_start": "2025-12-22T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-12-22T07:00:10.061456Z", "ended": "2025-12-22T07:41:40.578890Z", "start_waiting": "2025-12-22T07:00:09.942077Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/77a325d663f63d21c325d52de886e9e2-15.png", "player_count": 8, "ranked": false }, { "id": 130609, "name": "Chill and basic Go tournament V", "director": { "id": 665775, "username": "Behanix", "country": "no", "icon": "https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 930.0331612858862, "deviation": 64.22289072919479, "volatility": 0.05997256294371637 } }, "ranking": 13.23767884201483, "professional": false, "ui_class": "supporter" }, "description": "A relaxed Go tournament for beginners and DDKs.\n\nHave fun and try to learn as much as possible.\n\nYou should check in once a day since the max time is 3 days, and time increment is 12 hours.\n\nHandicap is enabled so everyone has a chance to win 🔥\n\nGood luck 🤞\n\nPrevious winners of the Chill and Basic:\n\n1. madbrain\n2. FinRabe", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 45251, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17885, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2025-12-22T09:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-22T09:00:13.840225Z", "ended": null, "start_waiting": "2025-12-22T09:00:10.003509Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 65, "ranked": true }, { "id": 135627, "name": "Blitz 19x19 Elimination Tournament 2025-12-22 09:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", 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"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 Site-wide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260408T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-08T19:00:04.658730Z", "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, 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"handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2025-10-05T06:30:49.456520Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-10-05T06:30:59.868676Z", "ended": "2025-10-05T07:10:12.003225Z", "start_waiting": "2025-10-05T06:30:59.804245Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true } ] }
