Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=4500
{ "count": 59187, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=4501", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=4499", "results": [ { "id": 53517, "name": "Mid DDK brawl", "director": { "id": 460127, "username": "BirdBitch86", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/d60d382cf4fc42b77aaa65f72fe50bcd-64.png", "ratings": { "version": 5, "overall": { "rating": 1187.6077395604586, "deviation": 64.6954188904006, "volatility": 0.0598897254258215 } }, "ranking": 18.8972986363964, "professional": false, "ui_class": "" }, "description": "Mid DDK Brawl", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 4115, "name": "DDK gang", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-11-03T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 13, "max_ranking": 16, "analysis_enabled": true, "exclusivity": "open", "started": "2019-11-04T15:18:56.153766Z", "ended": "2020-01-08T13:18:40.536116Z", "start_waiting": "2019-11-04T15:18:55.809516Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 55489, "name": "Live 9x9 Double Elimination Tournament 2020-01-09 02:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260401T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-01T14:00:13.616170Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-04-01T18:00:00Z", "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": "2020-01-09T02:30:22.506711Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-01-09T02:31:22.891076Z", "ended": "2020-01-09T02:41:41.156778Z", "start_waiting": "2020-01-09T02:31:22.539463Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", 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"2020-01-09T06:58:31.430507Z", "start_waiting": "2020-01-09T06:31:22.627362Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 55496, "name": "Blitz 19x19 Elimination Tournament 2020-01-09 09:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260401T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-01T13:00:17.229298Z", 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"subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-01-09T09:30:30.013723Z", "ended": "2020-01-09T09:56:58.591766Z", "start_waiting": "2020-01-09T09:30:29.561855Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 55513, "name": "Blitz 19x19 Elimination Tournament 2020-01-09 21:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": 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"group": null, "auto_start_on_max": false, "time_start": "2020-01-09T21:30:02.105074Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-01-09T21:30:03.950458Z", "ended": "2020-01-09T22:11:00.884352Z", "start_waiting": "2020-01-09T21:30:03.321159Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 55519, "name": "Live 9x9 Double Elimination Tournament 2020-01-10 02:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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 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"maximum_players": 100 }, "next_run": "2026-04-01T18:00:00Z", "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": "2020-01-10T06:30:24.455727Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-01-10T06:30:26.342409Z", "ended": "2020-01-10T06:50:41.845044Z", "start_waiting": "2020-01-10T06:30:25.723931Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 54252, "name": "Tournoi de Décembre", "director": { "id": 623375, "username": "tienslebien", 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Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17869, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2020-01-07T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-11T10:18:40.359406Z", "ended": "2020-01-11T10:28:41.076034Z", "start_waiting": "2020-01-11T10:18:39.986815Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true } ] }
