Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=540
{ "count": 59126, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=541", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=539", "results": [ { "id": 46291, "name": "Mid-March 9x9 DDK challenge (round robin)", "director": { "id": 600584, "username": "cleinias", "country": "_Klingon", "icon": "https://user-uploads.online-go.com/6f11943291d925541b777dc75bb26e22-64.png", "ratings": { "version": 5, "overall": { "rating": 1083.363560027686, "deviation": 64.13535361989959, "volatility": 0.059977499170969555 } }, "ranking": 16.770499524278822, "professional": false, "ui_class": "" }, "description": "Round Robin 9x9 \"fast correspondence\" style. \n\nExpect to play 2 wide-spaced moves a day. Does not pause on weekends.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 172800, "max_time": 172800, "time_increment": 28800, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8859, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2019-03-15T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2019-03-15T21:00:10.348049Z", "ended": "2019-03-28T14:32:30.323753Z", "start_waiting": "2019-03-15T21:00:03.042126Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 10, "ranked": true }, { "id": 79469, "name": "Swiss with auto handicaps 9x9", "director": { "id": 1032638, "username": "amateurplaying", "country": "un", "icon": "https://user-uploads.online-go.com/a3ac11034dd78011f72aee0c3ea9de6c-64.png", "ratings": { "version": 5, "overall": { "rating": 1158.9125831713936, "deviation": 65.38092199194944, "volatility": 0.05998366584684001 } }, "ranking": 18.331076404626156, "professional": false, "ui_class": "" }, "description": "Swiss 9x9 long correspondence games with automatic handicaps", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 631680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9945, "name": "Unusual boards", "summary": "Group for those who love playing on unusual boards like 10x10, 2x25, 7x14 and so on...", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-09-06T16:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-06T16:00:33.369409Z", "ended": "2022-01-07T10:25:40.606053Z", "start_waiting": "2021-09-06T16:00:33.101246Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 95143, "name": "5 -> 朱雋銘 6 -> 原彩宸", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "5 -> 朱雋銘\n6 -> 原彩宸", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-09-30T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-30T06:49:53.936656Z", "ended": "2022-09-30T07:06:25.119271Z", "start_waiting": "2022-09-30T06:49:53.797920Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 81626, "name": "23/10練習賽2", "director": { "id": 732914, "username": "Myosu", "country": "hk", "icon": "https://user-uploads.online-go.com/3e8044bfa5bfb2689285ad63b474e524-64.png", "ratings": { "version": 5, "overall": { "rating": 2216.1194440671634, "deviation": 71.86629998446274, "volatility": 0.06019266480191935 } }, "ranking": 33.338654947917895, "professional": false, "ui_class": "" }, "description": "23/10練習賽2", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10046, "name": "Hiroki’s Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-10-23T02:47:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-10-23T02:47:31.482496Z", "ended": "2021-10-23T03:34:45.347719Z", "start_waiting": "2021-10-23T02:47:31.393865Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 106529, "name": "Adrenalin", "director": { "id": 743533, "username": "ss76", "country": "ru", "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 865.69965614538, "deviation": 63.39878919317945, "volatility": 0.06003400172803372 } }, "ranking": 11.578235639193064, "professional": false, "ui_class": "" }, "description": "play go", "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": true, "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": 17865, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-21T16:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 17, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-21T16:00:30.392184Z", "ended": "2023-10-29T06:41:18.183078Z", "start_waiting": "2023-08-21T16:00:30.293195Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 108697, "name": "AIGP October 23 DDK Tournament", "director": { "id": 44732, "username": "nukeu666", "country": "in", "icon": "https://secure.gravatar.com/avatar/63b30ad856b8e08a2cdb4267e7f24bd8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1642.7181531753765, "deviation": 65.49189350260616, "volatility": 0.05999977310247918 } }, "ranking": 26.407420218846454, "professional": false, "ui_class": "" }, "description": "AIGP October 23 DDK Tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 102, "name": "India Go Club - AIGP", "summary": "Affiliated with **Association of Indian Go Players** - [AIGP](https://aigp.org.in).\n\nThis is a group for all Indians who play go and reside in or around India. We are also happy to have any go player around the planet, interested in meeting and networking ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 244, "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-64.png" }, "auto_start_on_max": false, "time_start": "2023-10-23T14:30:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-10-23T14:30:35.333211Z", "ended": "2023-10-23T14:54:04.514134Z", "start_waiting": "2023-10-23T14:30:35.173845Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-15.png", "player_count": 4, "ranked": true }, { "id": 137660, "name": "78676876878676", "director": { "id": 1970013, "username": "zephyr886", "country": "un", "icon": "https://secure.gravatar.com/avatar/42082ff73169257d454a81bc7be18678?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": "42453453", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 41, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16232, "name": "123786373783786", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-02-23T13:47:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2026-02-23T13:47:40.491476Z", "ended": "2026-02-23T13:49:12.356400Z", "start_waiting": "2026-02-23T13:47:40.422696Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": false }, { "id": 107108, "name": "Europe Go #2", "director": { "id": 1182846, "username": "Smartfox", "country": "un", "icon": "https://user-uploads.online-go.com/27e2cbb60e6e5017971b0a1e7392ce05-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.2563930454246, "deviation": 71.61347756222665, "volatility": 0.060512765640676876 } }, "ranking": 23.36247451639933, "professional": false, "ui_class": "" }, "description": "Have fun", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13537, "name": "Europe Go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/992d9f34129e2d028bc7b7c8a910e8b5-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-16T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2023-09-16T18:00:57.289850Z", "ended": "2023-12-01T20:51:11.991275Z", "start_waiting": "2023-09-16T18:00:57.136689Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/992d9f34129e2d028bc7b7c8a910e8b5-15.png", "player_count": 8, "ranked": true }, { "id": 121883, "name": "2024 Novembre Flex", "director": { "id": 370803, "username": "StonedStoner", "country": "it", "icon": "https://user-uploads.online-go.com/e0fafe3c71b17deaa017e410ee3c84e5-64.png", "ratings": { "version": 5, "overall": { "rating": 923.0041540052989, "deviation": 66.94961993068463, "volatility": 0.059985967353858846 } }, "ranking": 13.06205118718402, "professional": false, "ui_class": "" }, "description": "Flexate di brutto anche a Novembre 2024.\n\nSi apprezzano analisi, ramificazioni, schiaffi gratuiti, e proverbi improvvisati.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "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": true, "group": { "id": 14211, "name": "Genova Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 14, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-11-11T10:11:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-11T10:11:13.105187Z", "ended": "2025-08-05T06:59:41.125470Z", "start_waiting": "2024-11-11T10:11:12.656225Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 11, "ranked": true }, { "id": 46352, "name": "Correspondence 13x13 RoundRobin 2019-03-10 19:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260323T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-23T19:00:19.877174Z", "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": "2026-03-26T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": "2019-03-10T19:00:02.381173Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-03-10T19:00:13.039357Z", "ended": "2019-05-29T23:01:39.372606Z", "start_waiting": "2019-03-10T19:00:07.267759Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true } ] }