Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=41
{ "count": 59896, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=42", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=40", "results": [ { "id": 28481, "name": "Live 9x9 Double Elimination Tournament 2017-07-03 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260612T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-06-12T02:00:18.938967Z", 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"maximum_players": 100 }, "next_run": "2026-06-12T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-12-03T14:30:17.767579Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-03T14:30:19.394700Z", "ended": "2020-12-03T15:00:11.257552Z", "start_waiting": "2020-12-03T14:30:18.984807Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 68535, "name": "K2 PRUEBA DE HOY", "director": { "id": 607938, "username": "kido.go.baduk", "country": "mx", "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png", "ratings": { "version": 5, "overall": { "rating": 733.7386350417765, "deviation": 67.58441146641512, "volatility": 0.06059085558486428 } }, "ranking": 7.749569442835256, "professional": false, "ui_class": "" }, "description": "VAMOS A JUGAR GO Y DIVERTIRNOS", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5581, "name": "Colegio Serapio Rendón // Kinder - Primaria", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-03T15:16:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-03T15:16:21.127398Z", "ended": "2020-12-03T16:00:01.819881Z", "start_waiting": "2020-12-03T15:16:20.892930Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png", "player_count": 4, "ranked": true }, { "id": 67013, "name": "Weekly Saturday Single Elimination Tournament #2", "director": { "id": 831021, "username": "SoccerGuy2000", "country": "_Klingon", "icon": "https://secure.gravatar.com/avatar/c5371f0736122d5ff89c096dfc05d98c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1417.4411374471954, "deviation": 63.04610532698031, "volatility": 0.0600406608939129 } }, "ranking": 22.992817207346068, "professional": false, "ui_class": "" }, "description": "Have fun! If you have any questions, feel free to message me.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 132480, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 129600, "initial_time": 259200, "max_time": 518400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18003, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-31T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-31T16:00:01.366638Z", "ended": "2020-12-03T15:36:32.231659Z", "start_waiting": "2020-10-31T16:00:00.987921Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 8, "ranked": true }, { "id": 59429, "name": "25 people", "director": { "id": 748408, "username": "Sports for Life", "country": "us", "icon": "https://user-uploads.online-go.com/c6258ee239e8c0c6c2c9f59005725d81-64.png", "ratings": { "version": 5, "overall": { "rating": 774.2935361093267, "deviation": 71.4033398364045, "volatility": 0.059906278529480765 } }, "ranking": 8.994996966313037, "professional": false, "ui_class": "" }, "description": "please join we want 25 people. Must send me private message if going on vacation or pausing game. Or else automatic disqualification.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 86400, "max_time": 345600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5310, "name": "24 and 25k group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/f5f3b05fe766ea36e99f24c9791f3725-64.png" }, "auto_start_on_max": true, "time_start": "2020-04-25T22:00:00Z", "players_start": 25, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 9, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-25T05:16:42.459084Z", "ended": 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