Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4969
{ "count": 60272, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4970", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4968", "results": [ { "id": 69523, "name": "9by99by9", "director": { "id": 739180, "username": "leoinbk", "country": "us", "icon": "https://secure.gravatar.com/avatar/5c8e72b6e3421ca0d63579a5a1630ef5?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1144.0057227017662, "deviation": 62.47542977360111, "volatility": 0.060014750452260436 } }, "ranking": 18.031370905792297, "professional": false, "ui_class": "" }, "description": "double elimination 9by9 game", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-29T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-12-31T12:15:35.841339Z", "ended": "2021-01-08T16:47:37.884824Z", "start_waiting": "2020-12-31T12:15:35.640873Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 4, "ranked": true }, { "id": 127798, "name": "แข่งขันนัดแรก", "director": { "id": 1203503, "username": "ฝัน ปัณยตา PAT", "country": "th", "icon": "https://secure.gravatar.com/avatar/2cc9ac772c24592fb77c4eb8e5743a3e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1192.1564768573571, "deviation": 68.72291396848657, "volatility": 0.060554449437211784 } }, "ranking": 18.985797653181532, "professional": false, "ui_class": "" }, "description": "แข่งขันหาผู้ชนะเลิศในห้องเรียนหมากล้อม ปวช.2/10 ภาคเรียนที่ 2", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 20 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15280, "name": "ปวช.2/10 PAT", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 24, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-04-24T04:35:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "group", "started": "2025-04-24T04:35:16.411359Z", "ended": "2025-04-24T04:57:47.365819Z", "start_waiting": "2025-04-24T04:35:16.308069Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true }, { "id": 63316, "name": "Correspondence 13x13 RoundRobin 2020-07-20 19:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260715T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-07-15T19:00:48.349285Z", "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": "2026-07-18T19:00:00Z", "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": "2020-07-20T19:00:48.030543Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-20T19:01:33.856629Z", "ended": "2020-09-30T02:02:56.494342Z", "start_waiting": "2020-07-20T19:01:31.621796Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 59952, "name": "Simple Correspondence 19x19 DDK 2020 June", "director": { "id": 732922, "username": "woolpark", "country": "us", "icon": "https://user-uploads.online-go.com/c9b9a16afe87a94e5a79c216c5b7f9b4-64.png", "ratings": { "version": 5, "overall": { "rating": 1448.2613456324239, "deviation": 74.13670102782378, "volatility": 0.059982418884699545 } }, "ranking": 23.490786089025057, "professional": false, "ui_class": "" }, "description": "No analysis. Counting is good for you.\n\nEnjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5017, "name": "Simple Correspondence", "summary": "2 days per move. No Analysis.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-01T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2020-06-01T21:00:59.431661Z", "ended": "2020-08-19T22:44:41.044379Z", "start_waiting": "2020-06-01T21:00:57.406748Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "ranked": true }, { "id": 104146, "name": "Correspondence 19x19 RoundRobin 2023-06-10 19:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260714T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-07-14T19:00:48.485251Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-07-17T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-06-10T19:00:25.308677Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-06-10T19:01:25.494171Z", "ended": "2023-08-18T05:57:52.374182Z", "start_waiting": "2023-06-10T19:01:25.007534Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 103973, "name": "第6期かおり杯棋聖戦Bリーグ", "director": { "id": 687819, "username": "site_tmp", "country": "un", "icon": "https://secure.gravatar.com/avatar/c0dc1d7bd3ca7246ad298f30213416f4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nyuuna_resukaさん、金子太一さん、はっしーのアカウントさん、smith0108さん、Nebraskaさん、びくまるさん、nassyさん", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45251, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2969, "name": "かおり杯-World Kaori Cup-", "summary": "For every player who enjoy go game", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 297, "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png" }, "auto_start_on_max": false, "time_start": "2023-06-10T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-06-10T11:00:25.759914Z", "ended": "2023-07-20T11:00:07.076250Z", "start_waiting": "2023-06-10T11:00:25.503057Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png", "player_count": 7, "ranked": true }, { "id": 103931, "name": "Bella lì", "director": { "id": 1055696, "username": "deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216", "country": "it", "icon": "https://user-uploads.online-go.com/c176d6849a1892b9017c85f548813837-64.png", "ratings": { "version": 5, "overall": { "rating": 1520.9618235200285, "deviation": 65.86233200519976, "volatility": 0.05999729225859075 } }, "ranking": 24.624653373951272, "professional": false, "ui_class": "" }, "description": "Fast tournament", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12602, "name": "The Black Mamba GO Club", "summary": "Join the group if you want to have competitive tournaments like Kobe Bryant (The black mamba) did in his basketball career (NBA) . RIP Kobe.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-64.png" }, "auto_start_on_max": true, "time_start": "2023-06-10T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2023-06-10T09:00:25.071431Z", "ended": "2023-07-29T03:22:25.528396Z", "start_waiting": "2023-06-10T09:00:24.911467Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-15.png", "player_count": 12, "ranked": true }, { "id": 3509, "name": "Sitewide December 2014 Double Elimination Tournament", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1546.1538674294254, "deviation": 62.03504989658016, "volatility": 0.059739123217599915 } }, "ranking": 25.004951341512772, "professional": false, "ui_class": "supporter moderator" }, "description": "### This tournament is for you to test the double elimination tournament type. Enjoy :)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2014-12-18T16:38:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-12-18T16:41:57.199211Z", "ended": "2014-12-18T17:57:46.454308Z", "start_waiting": null, "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": 59844, "name": "VIII. SAP Hungary körverseny", "director": { "id": 34673, "username": "palzol", "country": "hu", "icon": "https://user-uploads.online-go.com/1e924ed958a88f964237b0b8b384af1e-64.png", "ratings": { "version": 5, "overall": { "rating": 1797.2603134610783, "deviation": 61.69211885287227, "volatility": 0.059986055952751006 } }, "ranking": 28.488863966701214, "professional": false, "ui_class": "supporter" }, "description": "Ennek a karanténnak sose' lesz vége. Mint ahogyan a gónak sem. Üssétek!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3827, "name": "SAP Hungary", "summary": "Closed group for employees of SAP Hungary Kft", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://user-uploads.online-go.com/1fe4ee3cf331b85fad45b900586f5610-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-04T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-05-04T07:30:09.921372Z", "ended": "2020-05-27T09:51:06.801864Z", "start_waiting": "2020-05-04T07:30:09.101140Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/1fe4ee3cf331b85fad45b900586f5610-15.png", "player_count": 4, "ranked": true }, { "id": 61364, "name": "Simple Correspondence 19x19 SDK 2020 July", "director": { "id": 732922, "username": "woolpark", "country": "us", "icon": "https://user-uploads.online-go.com/c9b9a16afe87a94e5a79c216c5b7f9b4-64.png", "ratings": { "version": 5, "overall": { "rating": 1448.2613456324239, "deviation": 74.13670102782378, "volatility": 0.059982418884699545 } }, "ranking": 23.490786089025057, "professional": false, "ui_class": "" }, "description": "No analysis. Counting is good for you.\n\nEnjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5017, "name": "Simple Correspondence", "summary": "2 days per move. No Analysis.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-01T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2020-07-01T22:01:01.356022Z", "ended": "2020-10-22T17:45:53.554917Z", "start_waiting": "2020-07-01T22:00:57.902790Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "ranked": true } ] }