Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5755
{ "count": 60787, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5756", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5754", "results": [ { "id": 112385, "name": "The 6th Gosei Kanren Memorial Cup", "director": { "id": 449215, "username": "SM-SYaKo", "country": "jp", "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png", "ratings": { "version": 5, "overall": { "rating": 1182.178471692773, "deviation": 63.45983688838135, "volatility": 0.060058455061893425 } }, "ranking": 18.79122343818162, "professional": false, "ui_class": "" }, "description": "Gosei is one of the major Japanese Go Titles in Japan. Kanren is the first Gosei title. This tournament is made as a commemorative of “Gosei Kanren Memorial Junior Go Tournament (碁聖寛蓮記念ジュニア囲碁大会)” in Ureshino City, Saga, Japan.\n\n「第六回碁聖寛蓮記念カップ」です。碁聖は現在にも続く日本の囲碁のタイトルの一つで、寛蓮は最初の碁聖と言われております。この大会は嬉野市で開催されていた「碁聖寛蓮記念ジュニア囲碁大会」の改名に因んで作りました。", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 45251, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2389, "name": "Murase Go Group", "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 92, "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png" }, "auto_start_on_max": false, "time_start": "2024-08-17T23:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-08-17T23:00:10.868810Z", "ended": "2025-09-12T15:02:13.047986Z", "start_waiting": "2024-08-17T23:00:10.388416Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png", "player_count": 39, "ranked": true }, { "id": 121373, "name": "Good tournament 2024", "director": { "id": 1265911, "username": "WillZ", "country": "ca", "icon": "https://user-uploads.online-go.com/57b72eb841ee2184293939760d71a983-64.png", "ratings": { "version": 5, "overall": { "rating": 1669.1950265733544, "deviation": 67.55628378639673, "volatility": 0.05993585271690641 } }, "ranking": 26.777570427656396, "professional": false, "ui_class": "" }, "description": "Good luck!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "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": true, "group": { "id": 14722, "name": "Good group", "summary": "Thank you for joining!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/3510eecc06dece7ad700c651dcf778f3-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-06T00:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-06T00:00:35.550680Z", "ended": "2025-08-24T21:02:26.836459Z", "start_waiting": "2024-11-06T00:00:35.241000Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3510eecc06dece7ad700c651dcf778f3-15.png", "player_count": 14, "ranked": true }, { "id": 121819, "name": "Live 19x19 Swiss Tournament 2024-11-03 16:30", "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 Site-wide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260824T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-24T16:00:24.920749Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-08-24T20:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "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": "2024-11-03T16:30:34.082760Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-03T16:33:34.182638Z", "ended": "2024-11-03T18:02:59.087087Z", "start_waiting": "2024-11-03T16:33:34.068211Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 104344, "name": "YVTftcu", "director": { "id": 1220016, "username": "BBQ Cat", "country": "hk", "icon": "https://user-uploads.online-go.com/f22b65ed3d05e5784b0f5f98e58f423d-64.png", "ratings": { "version": 5, "overall": { "rating": 623.0215846887106, "deviation": 75.82322598904152, "volatility": 0.06004543225135932 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "UCTRNo utrccrtcr", "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": true, "group": { "id": 13165, "name": "sus 🍮🧋", "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": "2023-06-15T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-23T12:07:55.487153Z", "ended": "2024-12-31T08:01:11.530668Z", "start_waiting": "2024-12-23T12:07:55.417345Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 121878, "name": "Blitz 19x19 Elimination Tournament 2024-11-05 13:30", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260824T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-24T17:00:24.965032Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-08-24T21:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-11-05T13:30:34.756073Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-05T13:31:34.801249Z", "ended": "2024-11-05T13:47:13.379883Z", "start_waiting": "2024-11-05T13:31:34.756793Z", "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": 122561, "name": "19x19 no.6", "director": { "id": 1163256, "username": "Wiangsak", "country": "142", "icon": "https://user-uploads.online-go.com/338a9e48fc15954b3a692ae3a545998e-64.png", "ratings": { "version": 5, "overall": { "rating": 1273.7053267964404, "deviation": 65.44106339453725, "volatility": 0.06038435655018281 } }, "ranking": 20.517549817569066, "professional": false, "ui_class": "" }, "description": "ซ้อมกัน แบบพบกันหมด", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 259200, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14715, "name": "CP GO Tournament", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2024-11-26T11:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2024-11-26T04:18:13.522677Z", "ended": "2024-11-30T14:59:50.537552Z", "start_waiting": "2024-11-26T04:18:13.365301Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 123266, "name": "Blitz 19x19 Elimination Tournament 2024-12-15 13:30", "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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260824T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-24T17:00:24.965032Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-08-24T21:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-12-15T13:30:54.076027Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-15T13:31:54.121637Z", "ended": "2024-12-15T13:47:17.968605Z", "start_waiting": "2024-12-15T13:31:54.076362Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 121782, "name": "19x19 Open D.E. Cup #88", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-10T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-10T00:02:46.988621Z", "ended": "2025-11-18T05:04:44.244672Z", "start_waiting": "2024-11-10T00:02:46.886862Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 122713, "name": "Abingdon Christmas Tournament", "director": { "id": 204231, "username": "Duin", "country": "gb", "icon": "https://secure.gravatar.com/avatar/5aa764ab93c95913061ebff5402129d7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1185.1404717778014, "deviation": 65.3757098612598, "volatility": 0.06005298550667494 } }, "ranking": 18.849154236175806, "professional": false, "ui_class": "supporter" }, "description": "Everyone welcome, from beginners upwards. You get several days per turn so you just need to check in every day or so.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "aga", "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": 12962, "name": "Abingdon School", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 28, "icon": "https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-07T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-12-07T15:00:11.515859Z", "ended": "2025-04-12T05:28:23.190401Z", "start_waiting": "2024-12-07T15:00:11.135799Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-15.png", "player_count": 7, "ranked": true }, { "id": 121104, "name": "HAPPY GO #86 Double Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png", "ratings": { "version": 5, "overall": { "rating": 2043.6666585391163, "deviation": 71.90000863380385, "volatility": 0.05976342612111411 } }, "ranking": 31.46322501697711, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 78, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2024-10-20T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 33, "analysis_enabled": true, "exclusivity": "open", "started": "2024-10-20T04:00:24.933856Z", "ended": "2025-03-13T12:24:26.992941Z", "start_waiting": "2024-10-20T04:00:24.871143Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 5, "ranked": true } ] }
