Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=239
{ "count": 59520, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=240", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=238", "results": [ { "id": 42259, "name": "Blitz 13x13 Swiss Tournament 2018-10-28 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:20260429T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-29T19:00:48.862358Z", 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"Automatic Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260429T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-29T20:00:48.701892Z", "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": "2026-04-30T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", 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0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Kuksu Nines Title Tournament 9th Cycle", "schedule": null, "title": { "id": 8, "name": "Kuksu Nines Title Tournament", "holder": { "id": 40094, "username": "pollemand", "country": "dk", "icon": "https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png", "ratings": { "version": 5, "overall": { "rating": 2171.89178460396, "deviation": 69.05182806949152, "volatility": 0.060035483123523053 } }, "ranking": 32.87197200792104, "professional": false, "ui_class": "" }, "rules": "japanese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "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": "2010-03-01T08:25:21Z", "ended": "2010-03-01T08:25:21Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/kuksu_9.png", "player_count": 0, "ranked": true }, { "id": 113, "name": "hikarusai's mini-tournament", "director": { "id": 3060, "username": "hikarusai", "country": "un", "icon": "https://secure.gravatar.com/avatar/3bae54c7d0a3b501bf33e6d0d096bec0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "fischer", "initial_time": 1209600, "max_time": 2592000, "time_increment": 259200 }, "is_open": true, "exclude_provisional": true, "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": 383, "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": "2006-07-14T23:44:00Z", "ended": "2006-11-08T14:20:00Z", "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": 112, "name": "lior100's mini-tournament", "director": { "id": 3033, "username": "lior100", "country": "un", "icon": "https://secure.gravatar.com/avatar/6170b54392da101b6ef08d6453fad30a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 864000, "time_increment": 172800 }, "is_open": true, "exclude_provisional": true, "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": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, 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"group": null, "auto_start_on_max": false, "time_start": "2022-02-11T03:30:34.934209Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-02-11T03:31:36.483224Z", "ended": "2022-02-11T04:12:21.958209Z", "start_waiting": "2022-02-11T03:31:36.279372Z", "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": 131, "name": "Aussie's mini-tournament", "director": { "id": 2569, "username": "Aussie", "country": "au", "icon": "https://secure.gravatar.com/avatar/986953951b1999221c4386e3a2bb4012?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1470.3334830446279, "deviation": 65.18542612551505, "volatility": 0.06000852154646782 } }, "ranking": 23.84094070293018, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 864000, "time_increment": 172800 }, "is_open": true, "exclude_provisional": true, "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": 383, "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": "2006-10-08T00:08:00Z", "ended": "2007-03-06T01:48:00Z", "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 } ] }
