Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=309
{ "count": 60175, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=310", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=308", "results": [ { "id": 50851, "name": "Live 19x19 Swiss Tournament 2019-08-05 12:30", "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:20260709T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-07-09T04:00:18.887653Z", 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23467, "username": "Go2master", "country": "un", "icon": "https://secure.gravatar.com/avatar/31df640a39af675eae099e0d9ace7ea1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2236.6479478486895, "deviation": 64.09392822540185, "volatility": 0.06009551422435255 } }, "ranking": 33.55211241728243, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 86400 }, "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": 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": 21, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2009-06-14T03:59:22Z", "ended": "2009-06-14T01:59:22Z", "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": 774, "name": "haze go tournament", "director": { "id": 20178, "username": "matsuda", "country": "us", "icon": "https://secure.gravatar.com/avatar/013de5c705ec420a929022ee007983af?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1135.5149925846133, "deviation": 81.78437888103069, "volatility": 0.060022106320304004 } }, "ranking": 17.858912450003256, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { 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{ "id": 20543, "username": "mitropa2000", "country": "de", "icon": "https://secure.gravatar.com/avatar/2aa0de6d86a60f2a1bbbd9d7e252e4cb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1497.032540436751, "deviation": 64.87950970702686, "volatility": 0.059858423047597614 } }, "ranking": 24.257539028684043, "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": 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": 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": 4, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2009-06-22T20:30:57Z", "ended": "2009-06-22T18:30:57Z", "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": 77195, "name": "MATCH FUERZA TOTAL", "director": { "id": 88120, "username": "satoshi84", "country": "mx", "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png", "ratings": { "version": 5, "overall": { "rating": 1136.7959829193692, "deviation": 78.40429708623937, "volatility": 0.06016044531576248 } }, "ranking": 17.885013568829635, "professional": false, "ui_class": "" }, "description": "FUERXA TOTAL", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4841, "name": "PIPIOLO GO 2022🏆", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 214, "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-07T17:11:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-07-07T17:11:29.788706Z", "ended": "2021-07-07T17:57:14.807491Z", "start_waiting": "2021-07-07T17:11:29.511242Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png", "player_count": 12, "ranked": true }, { "id": 34916, "name": "Correspondence Weekly McMahon 19x19 2018-03-03 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-06T17:00:18.211512Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-07-13T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "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": "2018-03-03T17:00:11.374068Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-03-03T17:01:34.381980Z", "ended": "2019-09-05T17:28:52.254245Z", "start_waiting": "2018-03-03T17:01:10.452070Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 79, "ranked": true }, { "id": 48954, "name": "Monthly Simultaneous McMahon 2019-06-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260701T170000Z\nRRULE:FREQ=MONTHLY", "active": true, 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false, "time_start": "2019-06-16T17:00:58.512975Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-06-16T17:02:22.770553Z", "ended": "2021-01-02T21:49:17.510863Z", "start_waiting": "2019-06-16T17:01:47.100315Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 78, "ranked": true }, { "id": 772, "name": "The mini-tournament with no name", "director": { "id": 23608, "username": "mould", "country": "gb", "icon": "https://secure.gravatar.com/avatar/9596c1b8d33b51488c3d4b64608574a1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1541.8067656215044, "deviation": 66.12670090123795, "volatility": 0.05988500546120491 } }, "ranking": 24.93977209521312, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 771, "name": "Uchiha13's mini-tournament (for 30kyu-25kyu)", "director": { "id": 12551, "username": "uchiha13", "country": "us", "icon": "https://secure.gravatar.com/avatar/8d6422d057ad6d68bd3d3cc1cb0f959d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1296.6311213167212, "deviation": 69.8863241788968, "volatility": 0.06001637157948701 } }, "ranking": 20.930527829363562, "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": 2592000, "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": "2009-07-10T20:43:32Z", "ended": "2009-07-10T18:43:32Z", "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 } ] }
