Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ranked&page=1083
{ "count": 59548, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ranked&page=1084", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ranked&page=1082", "results": [ { "id": 44753, "name": "Correspondence 13x13 RoundRobin 2019-01-18 19:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260501T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-01T19:00:49.170692Z", "lead_time_seconds": 86400, 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"players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-01-18T19:00:36.005158Z", "ended": "2019-02-14T16:30:39.492686Z", "start_waiting": "2019-01-18T19:00:34.532843Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 45643, "name": "Live 9x9 Double Elimination Tournament 2019-02-14 18:30", "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": { 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"main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-02-14T18:30:50.527076Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-02-14T18:30:55.164294Z", "ended": "2019-02-14T19:17:06.362778Z", "start_waiting": "2019-02-14T18:30:52.998936Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 56108, "name": "Blitz 19x19 Elimination Tournament 2020-01-29 01:30", "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 } }, 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"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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260502T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-02T10:00:48.875115Z", "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": "2026-05-02T14:00:00Z", "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": "2020-01-06T22:30:12.935545Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-01-06T22:30:15.366015Z", "ended": "2020-01-06T23:29:44.646232Z", "start_waiting": "2020-01-06T22:30:14.312819Z", "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": 44918, "name": "Seek God's hand.", "director": { "id": 555052, "username": "Sarukamo", "country": "jp", "icon": "https://user-uploads.online-go.com/7d3e275c4acccabc6d4ccaef7821076c-64.png", "ratings": { "version": 5, "overall": { "rating": 2180.772856679384, "deviation": 67.62451212362289, "volatility": 0.06003203048447157 } }, "ranking": 32.96644154361915, "professional": false, "ui_class": "" }, "description": "なるべくAI参加してください。\n🙇♂️", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 303, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 300, "max_time": 3600, "time_increment": 300, "speed": "live" }, "is_open": true, "exclude_provisional": false, "group": { "id": 3211, "name": "gtp2ogs AI Gathering 2019x19 ໒( ̿ ᴥ ̿ )७", "summary": "Gathering all OGS AI enthusiasts ! Welcome !!!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 244, "icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-64.png" }, "auto_start_on_max": false, "time_start": "2019-03-03T14:40:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 31, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2019-04-14T00:54:52.343672Z", "ended": "2019-04-14T00:59:52.629919Z", "start_waiting": "2019-04-14T00:54:51.591497Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-15.png", "player_count": 4, "ranked": true }, { "id": 45275, "name": "9x9 McMahon＼(^-^)／┬──┬ ლ(ﾟдﾟლ)", "director": { "id": 584481, "username": "Mulsiphix", "country": "us", "icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png", "ratings": { "version": 5, "overall": { "rating": 1723.508332937557, "deviation": 67.30621035483453, "volatility": 0.06024145341136911 } }, "ranking": 27.51884388340188, "professional": false, "ui_class": "supporter" }, "description": "###All rank grinder\n\n☆ BEGINS ON START DATE.FULL OR NOT.\n\n☆ Does NOT pause on the weekend.\n\n☆ Five rounds, 20 players, Chinese Rules/Scoring\n\n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ If this sounds like a good time to you, please join us!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 43200, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 3207, "name": "New Zealand Tournaments", "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 591, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png" }, "auto_start_on_max": true, "time_start": "2019-02-17T01:00:00Z", "players_start": 20, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-02-25T17:12:15.099925Z", "ended": "2019-04-30T08:10:20.717742Z", "start_waiting": "2019-02-25T17:12:13.664359Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png", "player_count": 20, "ranked": true }, { "id": 94612, "name": "Live 19x19 Swiss Tournament 2022-09-14 12:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-02-06T02:33:33.077493Z", "ended": "2019-02-06T03:01:19.348429Z", "start_waiting": "2019-02-06T02:33:32.728205Z", "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 }, { "id": 36441, "name": "Just fun", "director": { "id": 451169, "username": "reisya", "country": "id", "icon": "https://user-uploads.online-go.com/f97964bc2a61da3a615bf4ea82daf7a4-64.png", "ratings": { "version": 5, "overall": { "rating": 1552.616038831441, "deviation": 65.99805777080614, "volatility": 0.060003798990261634 } }, "ranking": 25.101505451269997, "professional": false, "ui_class": "" }, "description": "Try me", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "period_time": 86400, "main_time": 604800, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2170, "name": "Serenity", "summary": "When wisdom comes and ambitions go away, only pure enjoyment of the game remains.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 48, "icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-64.png" }, "auto_start_on_max": true, "time_start": "2018-04-29T17:00:00Z", "players_start": 64, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 21, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-05T03:40:39.029972Z", "ended": "2019-05-11T09:02:17.847659Z", "start_waiting": "2018-05-05T03:40:21.990641Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-15.png", "player_count": 45, "ranked": true } ] }
