Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=338
{ "count": 60802, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=339", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=337", "results": [ { "id": 2162, "name": "Nevs's mini-tournament I", "director": { "id": 48856, "username": "Nevs", "country": "de", "icon": "https://secure.gravatar.com/avatar/33869ab64b19a9d0dd6057984c09c56d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1508.5083996829826, "deviation": 77.99391977333593, "volatility": 0.0600143875286424 } }, "ranking": 24.43432413186225, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { 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"settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-08-26T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-04-07T20:30:12.814170Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-04-07T20:30:14.161384Z", "ended": "2023-04-07T22:17:19.234037Z", "start_waiting": "2023-04-07T20:30:14.036151Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 71226, "name": "Live 19x19 Swiss Tournament 2021-02-09 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260825T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-25T20:00:25.113856Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-08-26T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-02-09T20:30:51.276981Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-09T20:30:53.002664Z", "ended": "2021-02-09T21:56:39.027259Z", "start_waiting": "2021-02-09T20:30:52.717200Z", "board_size": 19, "active_round": 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"2017-11-04T16:30:54.682179Z", "ended": "2017-11-04T18:22:45.384225Z", "start_waiting": "2017-11-04T16:30:53.813564Z", "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": 2166, "name": "smartden's mini-tournament", "director": { "id": 45309, "username": "smartden", "country": "de", "icon": "https://secure.gravatar.com/avatar/dd6201354035aca6d2f81e7826aae72d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1465.2058024827695, "deviation": 64.51158268540483, "volatility": 0.060057025801322855 } }, "ranking": 23.76006566485937, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": false, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2013-06-20T10:41:12Z", "ended": "2013-06-20T08:41:12Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2165, "name": "Ryohei's Big Nine", "director": { "id": 4007, "username": "retired 2020-05-17", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/3eda6fcd3204ef285fa52176c28c4d3e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1265.2226592756992, "deviation": 68.93303381814883, "volatility": 0.060098255950306004 } }, "ranking": 20.36285895208113, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 17, "analysis_enabled": false, "exclusivity": "open", "started": "2013-06-23T18:19:12Z", "ended": "2013-06-23T16:19:12Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 98980, "name": "Tournire 13*13", "director": { "id": 1267356, "username": "artem_loves_go", "country": "ru", "icon": "https://secure.gravatar.com/avatar/b8684d033e13fd4951b33de87e2c55e5?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 802.6172161953999, "deviation": 99.19086025401404, "volatility": 0.05999333967597864 } }, "ranking": 9.826703794277867, "professional": false, "ui_class": "" }, "description": "Tournire for players 25-5k.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 18, 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Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3017, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2023-01-15T12:00:00Z", "players_start": 5, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2023-10-10T12:31:34.679518Z", "ended": "2023-10-10T12:47:13.053375Z", "start_waiting": "2023-10-10T12:31:34.528720Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 5, "ranked": true }, { "id": 65830, "name": "First Open Applepickers Tournament 5-15k", "director": { "id": 812797, "username": "ShadowSpace", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/25cede325bc044d67654ad52c1505cb9-64.png", 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"2020-09-24T17:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2020-09-24T17:00:22.524584Z", "ended": "2021-04-16T20:24:45.120468Z", "start_waiting": "2020-09-24T17:00:22.170283Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 22549, "name": "Blitz 13x13 Swiss Tournament 2016-11-27 11:30", "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", 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"periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-11-27T11:30:43.453284Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-11-27T11:30:45.265168Z", "ended": "2016-11-27T12:11:53.188914Z", "start_waiting": "2016-11-27T11:30:44.921852Z", "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": 2164, "name": "9x9 proper handicap", "director": { "id": 44070, "username": "soph42", "country": "un", "icon": "https://secure.gravatar.com/avatar/84b0e261dc8874d97e6ffbb991737b3f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1196.272423589572, "deviation": 66.55254821148388, "volatility": 0.060022950016294783 } }, "ranking": 19.065585886488716, 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"board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }
