Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=5182
{ "count": 59653, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5183", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5181", "results": [ { "id": 115453, "name": "升級比賽 in english", "director": { "id": 1552725, "username": "noob_bot_humanity", "country": "un", "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1612.97968476873, "deviation": 171.69690802064102, "volatility": 0.05999584580354507 } }, "ranking": 25.98449111074598, "professional": false, "ui_class": "provisional" }, "description": "hi i am new", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 14244, "name": "New Players to Go", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-04-27T14:24:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-27T14:25:25.076582Z", "ended": "2024-04-27T14:25:55.477946Z", "start_waiting": "2024-04-27T14:25:25.021931Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 115454, "name": "升級比賽 in english", "director": { "id": 1552725, "username": "noob_bot_humanity", "country": "un", "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1612.97968476873, "deviation": 171.69690802064102, "volatility": 0.05999584580354507 } }, "ranking": 25.98449111074598, "professional": false, "ui_class": "provisional" }, "description": "hi i am new", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 14244, "name": "New Players to Go", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-04-27T14:26:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-27T14:26:25.082819Z", "ended": "2024-04-27T14:27:31.399958Z", "start_waiting": "2024-04-27T14:26:25.018258Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 115455, "name": "升級比賽 in english", "director": { "id": 1552725, "username": "noob_bot_humanity", "country": "un", "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1612.97968476873, "deviation": 171.69690802064102, "volatility": 0.05999584580354507 } }, "ranking": 25.98449111074598, "professional": false, "ui_class": "provisional" }, "description": "hi i am new", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 14244, "name": "New Players to Go", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-04-27T14:29:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-27T14:29:25.143799Z", "ended": "2024-04-27T14:30:00.395717Z", "start_waiting": "2024-04-27T14:29:25.017395Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 115456, "name": "Tournament", "director": { "id": 1552725, "username": "noob_bot_humanity", "country": "un", "icon": "https://secure.gravatar.com/avatar/de9061474d00642e3c00e0ed6830e71f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1612.97968476873, "deviation": 171.69690802064102, "volatility": 0.05999584580354507 } }, "ranking": 25.98449111074598, "professional": false, "ui_class": "provisional" }, "description": "hi i am new", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 14244, "name": "New Players to Go", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-04-27T14:32:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-27T14:32:25.077448Z", "ended": "2024-04-27T14:34:11.800528Z", "start_waiting": "2024-04-27T14:32:25.017963Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 115489, "name": "Tournament for Go players", "director": { "id": 1553164, "username": "noob_bot_6", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/64ee989429dd88ae846061da2bff367a-64.png", "ratings": { "version": 5, "overall": { "rating": 1631.0621051788066, "deviation": 156.62944829321958, "volatility": 0.05999171913807443 } }, "ranking": 26.242571860041537, "professional": false, "ui_class": "" }, "description": "Try your best and we might succeed!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 14245, "name": "New players to GO chess", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-04-28T12:41:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-28T12:41:25.268541Z", "ended": "2024-04-28T12:45:37.914309Z", "start_waiting": "2024-04-28T12:41:25.222378Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 16204, "name": "Live 9x9 Double Elimination Tournament 2016-03-31 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:20260516T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-16T10:00:49.986036Z", "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": "2026-05-16T14:00:00Z", "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": "2016-03-31T18:30:08.543116Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-03-31T18:30:10.394824Z", "ended": "2016-03-31T19:53:51.296004Z", "start_waiting": "2016-03-31T18:30:10.035943Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 17, "ranked": true }, { "id": 16200, "name": "Live 9x9 Double Elimination Tournament 2016-03-31 14:30", "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 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