Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1916
{ "count": 59175, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1917", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1915", "results": [ { "id": 4440, "name": "Amistoso 14- 10 kyu", "director": { "id": 84536, "username": "milo622", "country": "co", "icon": "https://user-uploads.online-go.com/7077830ca37826211efcc990439b3db9-64.png", "ratings": { "version": 5, "overall": { "rating": 1557.6009676307065, "deviation": 61.814078984268654, "volatility": 0.059948547161216226 } }, "ranking": 25.17571326395889, "professional": false, "ui_class": "" }, "description": "Por correspondencia", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 9600, "time_control_parameters": { "total_time": 864000, "time_control": "absolute" }, "is_open": true, "exclude_provisional": true, "group": { "id": 283, "name": "Colombia", "summary": "Bienvenidos", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 149, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-64.png" }, "auto_start_on_max": true, "time_start": "2015-02-06T23:43:00Z", "players_start": 5, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 16, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-06T23:43:59.193871Z", "ended": "2015-03-26T23:45:40.376044Z", "start_waiting": "2015-02-06T23:43:59.071185Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5c768a9d37fc5696b6c304993a77b774-15.png", "player_count": 11, "ranked": true }, { "id": 138107, "name": "petit tournoi", "director": { "id": 1892346, "username": "moirvin", "country": "fr", "icon": "https://user-uploads.online-go.com/32b055e8e3bc427d7bb53a75f5ab5725-64.png", "ratings": { 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"min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-03-09T14:40:38.524454Z", "ended": "2026-03-09T14:56:21.701542Z", "start_waiting": "2026-03-09T14:40:38.372894Z", "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": 136576, "name": "2026年1月24日下午一点第一次锦标赛", "director": { "id": 1940619, "username": "侃爷韦斯特特特特", "country": "un", "icon": "https://secure.gravatar.com/avatar/854996f2d3c96ab96862a01b29cc2790?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 434.4356133942174, "deviation": 95.1800918593456, "volatility": 0.059991538808687975 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "2026年1月24日下午一点第一次陈恺杯锦标赛，双败制", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 0, "period_time": 60, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16111, "name": "BAN213棋魂", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-01-24T05:01:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-24T05:01:11.265084Z", "ended": "2026-01-24T05:17:33.404288Z", "start_waiting": "2026-01-24T05:01:11.167389Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": false }, { "id": 37976, "name": "tournament name", "director": { "id": 543184, "username": "rx7", "country": "un", "icon": "https://secure.gravatar.com/avatar/f4f64432793ca013b1320ecf98859628?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1528.0198319812164, "deviation": 210.69699616482424, "volatility": 0.06000113393724957 } }, "ranking": 24.7318322331204, "professional": false, "ui_class": "provisional" }, "description": "description", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2572, "name": "Mikilaci", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-06-08T10:07:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-06-08T10:07:38.781372Z", "ended": "2018-06-11T10:08:10.630774Z", "start_waiting": "2018-06-08T10:07:38.623070Z", "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": 36751, "name": "torneone", "director": { "id": 529695, "username": "tusso17", "country": "it", "icon": "https://user-uploads.online-go.com/cd7b54f2f5bc5301218bc90248f620a2-64.png", "ratings": { "version": 5, "overall": { "rating": 1259.7240061698071, "deviation": 62.66901099652114, "volatility": 0.05996662678740733 } }, "ranking": 20.262029875273488, "professional": false, "ui_class": "" }, "description": "daje 9x9", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "period_time": 86400, "main_time": 604800, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2391, "name": "34BigGo", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-04-27T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-04-27T17:00:28.910645Z", "ended": "2018-06-11T14:39:21.100372Z", "start_waiting": "2018-04-27T17:00:28.168195Z", "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": 137023, "name": "Correspondence 13x13 RoundRobin 2026-02-04 19:01", "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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260329T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-29T19:00:12.794003Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-01T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-02-04T19:01:07.849380Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-04T19:01:46.241955Z", "ended": null, "start_waiting": "2026-02-04T19:01:45.790856Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 130656, "name": "Correspondence 13x13 RoundRobin 2025-07-21 19:01", "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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260329T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-29T19:00:12.794003Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-01T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-07-21T19:01:03.041721Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-21T19:01:58.182377Z", "ended": "2025-10-14T13:01:54.581042Z", "start_waiting": "2025-07-21T19:01:58.099281Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 4, "ranked": true }, { "id": 137868, "name": "It's May Day", "director": { "id": 823378, "username": "rouma", "country": "us", "icon": "https://secure.gravatar.com/avatar/e25df468ca27d40a9646837908b798f4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 633.2743429867048, "deviation": 62.56548229894489, "volatility": 0.06029686955608356 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Have fun", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 2419200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 2419200 }, "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": 17871, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2026-05-01T07:00:00Z", "players_start": 9, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 3, "ranked": true }, { "id": 79078, "name": "bnvfdcx", "director": { "id": 1016128, "username": "TimTsai", "country": "tw", "icon": "https://user-uploads.online-go.com/5ad16efa4bdf65289a15d3505660b527-64.png", "ratings": { "version": 5, "overall": { "rating": 993.5512788378296, "deviation": 70.04800542370968, "volatility": 0.060231200015363015 } }, "ranking": 14.767093597042754, "professional": false, "ui_class": "" }, "description": "vdkj.s", "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": true, "group": { "id": 6774, "name": "😀Korea Go한국바둑😀", "summary": "많이 가입해주세요. 한국분 환영", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 224, "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-21T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-21T11:04:00.985358Z", "ended": "2021-09-12T04:11:00.580912Z", "start_waiting": "2021-08-21T11:04:00.833604Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-15.png", "player_count": 4, "ranked": true }, { "id": 4360, "name": "Vienna heavy", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 782.2116399210267, "deviation": 64.73368414856914, "volatility": 0.05913702506095783 } }, "ranking": 9.230531916415108, "professional": false, "ui_class": "supporter" }, "description": "dfutz jkl", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 445, "name": "Go7wien", "summary": "Wiener Go Klub", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 65, "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png" }, "auto_start_on_max": true, "time_start": "2015-01-27T18:41:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-01-27T18:41:09.045965Z", "ended": "2015-05-02T21:12:49.228065Z", "start_waiting": "2015-01-27T18:41:08.855557Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png", "player_count": 4, "ranked": true } ] }
