Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=420
{ "count": 60237, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=421", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=419", "results": [ { "id": 41426, "name": "Ustin with Go Basics", "director": { "id": 375043, "username": "miniman1", "country": "ua", "icon": "https://user-uploads.online-go.com/1b1906ea31033bcefe2856a5dcf7013d-64.png", "ratings": { "version": 5, "overall": { "rating": 1303.6565897650203, "deviation": 65.33470711969055, "volatility": 0.060050137546184115 } }, "ranking": 21.05562167157904, "professional": false, "ui_class": "" }, "description": "Welcome to the Go Basics February Online Tournament. We are still experimenting with the best time limits in order to create something that is fun and fair and doesn’t take all day! However, we think that there is a bug in the software that stops the handicaps from working and so you might have some uneven games. 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Will here we are, we encourage you to join our group. Everyone is welcome, newbie or not.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 106, "icon": "https://user-uploads.online-go.com/5d438049e4eeb1f1ec7c33798592c824-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 13, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "open", "started": "2014-03-17T08:58:20.762692Z", "ended": "2014-10-20T20:44:09.251661Z", "start_waiting": "2014-03-17T08:58:16.606567Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5d438049e4eeb1f1ec7c33798592c824-15.png", "player_count": 0, "ranked": true }, { "id": 388, "name": "Another labrat mini-tournament", "director": { "id": 15869, "username": "labrat", "country": "gb", "icon": "https://user-uploads.online-go.com/be27728d54d30a40bc7c9c1c917a057c-64.png", "ratings": { 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"max_ranking": 19, "analysis_enabled": false, "exclusivity": "open", "started": "2007-12-14T09:10:00Z", "ended": "2008-01-28T08:41:00Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 69187, "name": "Live 19x19 Swiss Tournament 2020-12-20 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:20260713T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-07-13T12:00:19.478167Z", "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": "2026-07-13T16:00:00Z", "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": "2020-12-20T20:30:31.542585Z", "players_start": 6, 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-12-20T19:30:28.709460Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-20T19:30:30.929616Z", "ended": "2020-12-20T20:32:50.569516Z", "start_waiting": "2020-12-20T19:30:30.201919Z", "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": 514, "name": "zunni's mini-tournament", "director": { "id": 20667, "username": "zunni", "country": "un", "icon": "https://secure.gravatar.com/avatar/b885e08828372435d7b7d418741b544b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1471.154682196084, "deviation": 82.69410921678515, "volatility": 0.060003108792574304 } }, "ranking": 23.853866650465683, "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": 432000, "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": 385, "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": "2008-06-17T16:06:02Z", "ended": "2008-06-17T14:06:02Z", "start_waiting": null, "board_size": 13, "active_round": null, 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"ended": "2020-12-19T20:19:47.782209Z", "start_waiting": "2020-12-19T19:31:27.674161Z", "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": 69106, "name": "12月19日 上午 D班", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "12月19日 上午 D班", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-12-19T03:00:00Z", "players_start": 3, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-12-19T02:39:55.597014Z", "ended": "2020-12-19T03:01:02.787066Z", "start_waiting": "2020-12-19T02:39:55.508072Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 60942, "name": "Blitz 13x13 Swiss Tournament 2020-05-23 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", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260713T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-13T11:00:19.464533Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "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": "2026-07-13T15:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-05-23T11:30:38.453801Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-23T11:32:24.937432Z", "ended": "2020-05-23T12:38:28.353997Z", "start_waiting": "2020-05-23T11:32:24.297804Z", "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 } ] }
