Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=1245
{ "count": 59604, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1246", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1244", "results": [ { "id": 60302, "name": "Live 9x9 Double Elimination Tournament 2020-05-10 02:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260511T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-11T02:00:49.552964Z", 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"https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png", "player_count": 4, "ranked": true }, { "id": 66209, "name": "Live 9x9 Double Elimination Tournament 2020-10-04 02:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260511T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-11T02:00:49.552964Z", "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": "2026-05-11T06:00:00Z", "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": "2020-10-04T02:30:00.624641Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-10-04T02:30:02.426148Z", "ended": "2020-10-04T03:02:42.554937Z", "start_waiting": "2020-10-04T02:30:02.120916Z", "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": 68943, "name": "Blitz 19x19 Elimination Tournament 2020-12-14 09:30", "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:20260511T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", 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"first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-14T09:30:47.551400Z", "ended": "2020-12-14T09:58:47.790303Z", "start_waiting": "2020-12-14T09:30:46.875788Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 60545, "name": "Go Masters Tournament 1", "director": { "id": 776045, "username": "C. H. Lee", "country": "us", "icon": "https://secure.gravatar.com/avatar/43568eda37fe2db86962b817f5cf2ae6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2272.856094593667, "deviation": 92.6933086443411, "volatility": 0.06001886124538824 } }, "ranking": 33.92387685220122, "professional": false, "ui_class": "" }, "description": "Go Masters Tournament 1", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 86400, "max_time": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5725, "name": "Go Architecture", "summary": "Active Go research group, feel free to join.\nhttps://www.youtube.com/watch?v=D8IdVyIVNZk\nhttps://www.youtube.com/watch?v=Dmlyg1uzpNs", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-05-16T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-19T22:32:50.730629Z", "ended": "2020-05-29T17:55:22.287847Z", "start_waiting": "2020-05-19T22:32:50.397695Z", "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": 103494, "name": "偶二循环赛 第三季", "director": { "id": 1066263, "username": "Wc100", "country": "hk", "icon": "https://user-uploads.online-go.com/c5644483e9b766f9f7cff8b48c81d6f2-64.png", "ratings": { "version": 5, "overall": { "rating": 806.2653841176599, "deviation": 74.38583798687353, "volatility": 0.060015394449862446 } }, "ranking": 9.931689990449012, "professional": false, "ui_class": "" }, "description": "偶月第二个星期天的比赛\nCOTSSOEM(Competition on the second Sunday of even months)S3", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 183025, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 172800, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10348, "name": "Wc111", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-06-11T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, 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"is_open": true, "exclude_provisional": true, "group": { "id": 5671, "name": "Go playhouse ", "summary": "Have fun ^^", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 0, "icon": "https://user-uploads.online-go.com/602771e7a8c1048a5781a27fcfc639d8-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-13T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-15T06:51:08.795121Z", "ended": "2020-05-15T07:21:37.479980Z", "start_waiting": "2020-05-15T06:51:08.013436Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/602771e7a8c1048a5781a27fcfc639d8-15.png", "player_count": 4, "ranked": true }, { "id": 56757, "name": "go time 2#", "director": { "id": 728080, "username": "kaikai1415", "country": "jp", "icon": 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No problem, just join this group!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 70, "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-29T07:59:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-29T07:44:33.239378Z", "ended": "2020-07-29T08:11:05.530073Z", "start_waiting": "2020-07-29T07:44:33.133706Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png", "player_count": 4, "ranked": true }, { "id": 60628, "name": "Torneio de Quarentena 6", "director": { "id": 71636, "username": "riemsdijk", "country": "br", "icon": "https://user-uploads.online-go.com/da901711d8fc89260b88e89b54d973a2-64.png", "ratings": { "version": 5, "overall": { "rating": 2090.7587878762934, "deviation": 107.7162501054069, "volatility": 0.06007508560034665 } }, "ranking": 31.990616287133697, "professional": false, "ui_class": "" }, "description": "Torneio de Quarentena 6", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3811, "name": "Aulas de Go com FHvR", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 40, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-05-16T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-17T06:38:58.584565Z", "ended": "2020-05-17T06:51:02.496011Z", "start_waiting": "2020-05-17T06:38:58.254125Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
