Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=id&page=3147
{ "count": 58963, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=id&page=3148", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=id&page=3146", "results": [ { "id": 74969, "name": "23 Lines: Unusual Board Sizes Series", "director": { "id": 109488, "username": "DVbS78rkR7NVe", "country": "un", "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2026.1476299885521, "deviation": 66.05609734432652, "volatility": 0.059874270189468615 } }, "ranking": 31.26391960044579, "professional": false, "ui_class": "" }, "description": "Join the group for more cat tournaments ^__^", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, 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Chess Club", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 28, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-05-10T13:08:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-05-10T13:08:31.131567Z", "ended": "2021-05-10T13:56:56.068413Z", "start_waiting": "2021-05-10T13:08:30.994380Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 74982, "name": "13x13 tournament advanced", "director": { "id": 740165, "username": "szproszczytek", "country": "_Scotland", "icon": "https://user-uploads.online-go.com/2bf8d743b1993c76c2759fce0ce5432d-64.png", "ratings": { "version": 5, "overall": { 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"min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-05-10T15:24:43.028578Z", "ended": "2021-05-10T15:36:28.769214Z", "start_waiting": "2021-05-10T15:24:42.597578Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 74983, "name": "Live 9x9 Double Elimination Tournament 2021-05-10 14:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260314T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-14T18:00:11.192562Z", "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": "2026-03-14T22:00:00Z", "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": "2021-05-10T14:30:33.408783Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-05-10T14:30:35.048449Z", "ended": "2021-05-10T15:11:34.692710Z", "start_waiting": "2021-05-10T14:30:34.788020Z", "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": 74985, "name": "8/8 Father's day Tournament (Lady also welcome)", "director": { "id": 791718, "username": "StormPoseidon", "country": "us", "icon": "https://user-uploads.online-go.com/df5a7920cdb117a8fd186c7c7bfde50e-64.png", "ratings": { "version": 5, "overall": { "rating": 1046.5850944067274, "deviation": 65.61878471685739, "volatility": 0.06000172280530008 } }, "ranking": 15.970943992879702, "professional": false, "ui_class": "" }, "description": "Celebrate Father's Day in Taiwan.\n \nFather's day in Taiwan is on August 8th which is 8/8 in Taiwan time zone.\n\n8 8 = Pa Pa (similar pronunciation in Chinese = 88)", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 612480, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 604800, "initial_time": 691200, "max_time": 691200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1144, "name": "Taiwanese", "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 181, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-07T12:08:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-07T12:08:13.161232Z", "ended": null, "start_waiting": "2021-08-07T12:08:06.185403Z", "board_size": 19, "active_round": 6, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png", "player_count": 74, "ranked": true }, { "id": 74988, "name": "abcd tournament", "director": { "id": 740165, "username": "szproszczytek", "country": "_Scotland", "icon": "https://user-uploads.online-go.com/2bf8d743b1993c76c2759fce0ce5432d-64.png", "ratings": { "version": 5, 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"min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-05-10T15:23:14.738932Z", "ended": "2021-05-10T16:02:49.181606Z", "start_waiting": "2021-05-10T15:23:14.575828Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 74989, "name": "new one", "director": { "id": 740165, "username": "szproszczytek", "country": "_Scotland", "icon": "https://user-uploads.online-go.com/2bf8d743b1993c76c2759fce0ce5432d-64.png", "ratings": { "version": 5, "overall": { "rating": 2053.733837221348, "deviation": 73.93692707212678, "volatility": 0.06005991186470912 } }, "ranking": 31.57698282790967, "professional": false, "ui_class": "supporter" }, "description": "new one", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4568, "name": "Scotland Youth Team", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 64, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-05-10T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-05-10T15:35:28.112519Z", "ended": "2021-05-23T15:57:30.564212Z", "start_waiting": "2021-05-10T15:35:27.653252Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 74994, "name": "Live 9x9 Double Elimination 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"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": "2026-03-14T22:00:00Z", "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": "2021-05-10T18:30:48.936557Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-05-10T18:30:50.458666Z", "ended": "2021-05-10T19:23:37.057228Z", "start_waiting": "2021-05-10T18:30:50.201601Z", "board_size": 9, "active_round": null, 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"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, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-15T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-05-11T19:00:52.462604Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-11T19:00:55.497888Z", "ended": "2021-06-01T21:29:00.328279Z", "start_waiting": "2021-05-11T19:00:54.376306Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true } ] }
