Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1467
{ "count": 60742, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1468", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1466", "results": [ { "id": 27188, "name": "Correspondence 9x9 RoundRobin 2017-05-17 01:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260821T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-21T19:00:17.332067Z", 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Torneo de partidas en vivo.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 50, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 3600, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4667, "name": "Universidad El Bosque", "summary": "UB GO", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-04T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 7, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-05T00:07:21.961719Z", "ended": "2020-04-05T01:59:20.445607Z", "start_waiting": "2020-04-05T00:07:21.464634Z", "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": 109017, "name": "Bảng B round 3 1-1", "director": { "id": 1357489, "username": "dangkhoa9139", "country": "un", "icon": "https://secure.gravatar.com/avatar/70c4ec65a0fdc8d1ca1928e1fa64e7d0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1025.1539579251848, "deviation": 84.59026193008832, "volatility": 0.05998865862593693 } }, "ranking": 15.491975845857613, "professional": false, "ui_class": "" }, "description": "mùa đông sum vầy", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 15, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13657, "name": "Ichi-Go PTNK Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/8ba1369c7e5510cafbb325500b2f55f3-64.png" }, "auto_start_on_max": true, "time_start": "2023-10-29T08:05:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2023-10-29T08:05:37.437797Z", "ended": "2023-10-29T08:22:10.155184Z", "start_waiting": "2023-10-29T08:05:37.378838Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/8ba1369c7e5510cafbb325500b2f55f3-15.png", "player_count": 2, "ranked": true }, { "id": 139048, "name": "19x19 Open League #130", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1457.5625740335206, "deviation": 71.74464322805916, "volatility": 0.06028349014029934 } }, "ranking": 23.638987892591402, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-04-26T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-21T12:03:53.008530Z", "ended": null, "start_waiting": "2026-04-21T12:03:51.677725Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 58707, "name": "Simple Correspondence 19x19 ALL 2020 MAY", "director": { "id": 732922, "username": "woolpark", "country": "us", "icon": "https://user-uploads.online-go.com/c9b9a16afe87a94e5a79c216c5b7f9b4-64.png", "ratings": { "version": 5, "overall": { "rating": 1448.2613456324239, "deviation": 74.13670102782378, "volatility": 0.059982418884699545 } }, "ranking": 23.490786089025057, "professional": false, "ui_class": "" }, "description": "No analysis. Counting is good for you.\n\nEnjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5017, "name": "Simple Correspondence", "summary": "2 days per move. No Analysis.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 67, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-01T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-01T21:00:50.978423Z", "ended": "2020-07-03T17:04:23.840388Z", "start_waiting": "2020-05-01T21:00:42.343275Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "ranked": true }, { "id": 70924, "name": "Correspondence 13x13 RoundRobin 2021-02-03 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", 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