Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=5245
{ "count": 58979, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=5246", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=5244", "results": [ { "id": 135915, "name": "admi n abuse", "director": { "id": 1898100, "username": "peerempire", "country": "_United_Federation_of_Planets", "icon": "https://user-uploads.online-go.com/bdd47317d854cf89d1baa682781c424a-64.png", "ratings": { "version": 5, "overall": { "rating": 369.068299409628, "deviation": 78.18496743875966, "volatility": 0.06001185515894142 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣤⣤⣤⣤⣤⣶⣦⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡿⠛⠉⠙⠛⠛⠛⠛⠻⢿⣿⣷⣤⡀⠀⠀⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⠋⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⠈⢻⣿⣿⡄⠀⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⣸⣿⡏⠀⠀⠀⣠⣶⣾⣿⣿⣿⠿⠿⠿⢿⣿⣿⣿⣄⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⣿⣿⠁⠀⠀⢰⣿⣿⣯⠁⠀⠀⠀⠀⠀⠀⠀⠈⠙⢿⣷⡄⠀ \n⠀⠀⣀⣤⣴⣶⣶⣿⡟⠀⠀⠀⢸⣿⣿⣿⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣷⠀ \n⠀⢰⣿⡟⠋⠉⣹⣿⡇⠀⠀⠀⠘⣿⣿⣿⣿⣷⣦⣤⣤⣤⣶⣶⣶⣶⣿⣿⣿⠀ \n⠀⢸⣿⡇⠀⠀⣿⣿⡇⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⠀ \n⠀⣸⣿⡇⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠉⠻⠿⣿⣿⣿⣿⡿⠿⠿⠛⢻⣿⡇⠀⠀ \n⠀⣿⣿⠁⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣧⠀⠀ \n⠀⣿⣿⠀⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀ \n⠀⣿⣿⠀⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⠀⠀ \n⠀⢿⣿⡆⠀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⡇⠀⠀ \n⠀⠸⣿⣧⡀⠀⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⠃⠀⠀ \n⠀⠀⠛⢿⣿⣿⣿⣿⣇⠀⠀⠀⠀⠀⣰⣿⣿⣷⣶⣶⣶⣶⠶⠀⢠⣿⣿⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⠀⠀⠀⣿⣿⡇⠀⣽⣿⡏⠁⠀⠀⢸⣿⡇⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⠀⠀⠀⣿⣿⡇⠀⢹⣿⡆⠀⠀⠀⣸⣿⠇⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⢿⣿⣦⣄⣀⣠⣴⣿⣿⠁⠀⠈⠻⣿⣿⣿⣿⡿⠏⠀⠀⠀⠀ \n⠀⠀⠀⠀⠀⠀⠀⠈⠛⠻⠿⠿⠿⠿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 600, "max_time": 3600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15890, "name": "Godsqualq", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/07e747448a28726702e77035a0027a11-64.png" }, "auto_start_on_max": true, "time_start": "2025-12-31T11:32:00Z", "players_start": 3, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-31T11:32:45.771146Z", "ended": "2025-12-31T11:59:51.876384Z", "start_waiting": "2025-12-31T11:32:45.706331Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/07e747448a28726702e77035a0027a11-15.png", "player_count": 3, "ranked": true }, { "id": 135874, "name": "Open Tournament 2", "director": { "id": 1926369, "username": "kyliewee02", "country": "un", "icon": "https://user-uploads.online-go.com/ca62c83151453f1e19f9b6e5f28f3f48-64.png", "ratings": { "version": 5, "overall": { "rating": 720.7945416911429, "deviation": 178.85663899190317, "volatility": 0.06000133866351721 } }, "ranking": 7.337528416040835, "professional": false, "ui_class": "provisional" }, "description": "Anyone wants to be challenged by a noob player? Anyone can join this tournament! Contact me if you want to join my group. ~Destroyer802", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 604800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16022, "name": "ChatRoom404", "summary": "This is just a group. Do whatever you like here! It is also alright if you want to just join this group and chat. ~Destroyer802 😝", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-01T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-01T09:00:46.047541Z", "ended": "2026-01-10T12:41:14.579574Z", "start_waiting": "2026-01-01T09:00:45.998040Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-15.png", "player_count": 3, "ranked": false }, { "id": 136248, "name": "aaaaaaaaaaaaa", "director": { "id": 1901474, "username": "samsonmaximus1", "country": "un", "icon": "https://secure.gravatar.com/avatar/57cf8dd913e26ef70bd5b6b5cb3a1ff4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 920.5334492879327, "deviation": 250, "volatility": 0.06 } }, "ranking": 13.000000000000002, "professional": false, "ui_class": "provisional" }, "description": "aaaaaaaaaaaaaaaaaaaaaa", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 600, "max_time": 3600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16074, "name": "Brosgochess", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-01-11T01:54:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-01-11T01:54:12.491104Z", "ended": "2026-01-11T02:41:40.318403Z", "start_waiting": "2026-01-11T01:54:12.400169Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": false }, { "id": 136525, "name": "aaaaaaa", "director": { "id": 1403157, "username": "milona", "country": "vn", "icon": "https://user-uploads.online-go.com/613182c57a12d231c2d4e391108988c1-64.png", "ratings": { "version": 5, "overall": { "rating": 1546.7650842513613, "deviation": 68.55860592735375, "volatility": 0.05998743307913226 } }, "ranking": 25.014101060488965, "professional": false, "ui_class": "" }, "description": "aaaaaaaaaaaaaaaaaaasdasd", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 34, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13799, "name": "Eclipsera Discord Tornaments", "summary": "Nhóm Discord Chính: [✨๖ۣۜEclipsera۵](https://discord.gg/x7xByC4eWd)", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/2a78c4264e8fb84a5d65f91120e69663-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-20T01:45:00Z", "players_start": 3, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-20T01:45:21.955041Z", "ended": "2026-01-20T02:11:44.524504Z", "start_waiting": "2026-01-20T01:45:21.734329Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2a78c4264e8fb84a5d65f91120e69663-15.png", "player_count": 3, "ranked": false }, { "id": 136551, "name": "hgjgh", "director": { "id": 1942246, "username": "Rosemary Teacher", "country": "un", "icon": "https://secure.gravatar.com/avatar/066f8b0bfc551845f905ae10d94383da?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.3615547953566, "deviation": 250, "volatility": 0.06 } }, "ranking": 7.000000000000001, "professional": false, "ui_class": "provisional" }, "description": "ghjghj", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 16110, "name": "Chinese game Class", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-01-20T15:53:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-01-20T15:53:03.673617Z", "ended": "2026-01-20T16:06:54.583011Z", "start_waiting": "2026-01-20T15:53:03.590481Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": false }, { "id": 136520, "name": "1st Quick Tuesday tournament", "director": { "id": 661209, "username": "GomezAlvaEs", "country": "es", "icon": "https://user-uploads.online-go.com/f14d8df8aa0df41e539d7c00d9640806-64.png", "ratings": { "version": 5, "overall": { "rating": 1197.6042547107525, "deviation": 65.12544194584353, "volatility": 0.05993827153330452 } }, "ranking": 19.091344852199757, "professional": false, "ui_class": "" }, "description": "Hello everyone. Today starts the Tuesday Quick tournament. Time settings are fast so we can have fun and not make the tournament too long", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 22, "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": true, "group": { "id": 8313, "name": "Yeonwoo-pro Official Fan Club", "summary": "Korean baduk professional Yeonwoo fan club.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 133, "icon": "https://user-uploads.online-go.com/fbad9076f90747ac145923b496b6022a-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-20T10:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-01-20T17:14:03.759561Z", "ended": "2026-01-20T17:20:24.199203Z", "start_waiting": "2026-01-20T17:14:03.655720Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fbad9076f90747ac145923b496b6022a-15.png", "player_count": 3, "ranked": true }, { "id": 136604, "name": "torneo 3", "director": { "id": 1241447, "username": "Caravaggio17", "country": "cr", "icon": "https://user-uploads.online-go.com/40bb36c997025252dc043c48e2c13529-64.png", "ratings": { "version": 5, "overall": { "rating": 920.5569056518781, "deviation": 68.40955141114475, "volatility": 0.06004954287944656 } }, "ranking": 13.000589883949921, "professional": false, "ui_class": "" }, "description": "asdf honimobo sala", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15019, "name": "La casa de Honinbo", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://user-uploads.online-go.com/12880ec57b5329ce58ba560f26f695c6-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-22T02:12:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-22T02:12:04.648647Z", "ended": "2026-01-22T03:25:58.797686Z", "start_waiting": "2026-01-22T02:12:04.571954Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/12880ec57b5329ce58ba560f26f695c6-15.png", "player_count": 3, "ranked": true }, { "id": 136583, "name": "class tournament", "director": { "id": 1942246, "username": "Rosemary Teacher", "country": "un", "icon": "https://secure.gravatar.com/avatar/066f8b0bfc551845f905ae10d94383da?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.3615547953566, "deviation": 250, "volatility": 0.06 } }, "ranking": 7.000000000000001, "professional": false, "ui_class": "provisional" }, "description": "jia you jia you!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16110, "name": "Chinese game Class", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-01-21T15:18:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-01-21T15:19:28.861609Z", "ended": "2026-01-22T15:00:06.558585Z", "start_waiting": "2026-01-21T15:19:28.794451Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": false }, { "id": 135868, "name": "圍棋爭霸戰", "director": { "id": 1924492, "username": "Happyyyy4747", "country": "hk", "icon": "https://user-uploads.online-go.com/a373b8bbe80a2a671d86d9389f6a1940-64.png", "ratings": { "version": 5, "overall": { "rating": 643.6387028853603, "deviation": 118.13678508206723, "volatility": 0.06000425057212 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "好友的比賽", "schedule": null, "title": null, "tournament_type": "elimination", 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