Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=id&page=6081
{ "count": 60815, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=id&page=6082", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=id&page=6080", "results": [ { "id": 143589, "name": "9x9 correspondence", "director": { "id": 1976897, "username": "99Kurt99", "country": "us", "icon": "https://user-uploads.online-go.com/34c65b1a421af91fe7f5cdd6df3c9904-64.png", "ratings": { "version": 5, "overall": { "rating": 545.8882426891466, "deviation": 68.8762032225476, "volatility": 0.06007232416561434 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "9x9 correspondence with 3 rounds", "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": false, "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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-26T03:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": null, "ended": null, "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 1, "ranked": true }, { "id": 143591, "name": "9x9 Mini League 10k-25k #420", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1448.2342414591133, "deviation": 71.40722410074986, "volatility": 0.06028281333625845 } }, "ranking": 23.490352833324646, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-30T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "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/524010f9e013f409bdc23336febde936-15.png", "player_count": 2, "ranked": true }, { "id": 143592, "name": "9x9 Mini League 5k-15k #198", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1448.2342414591133, "deviation": 71.40722410074986, "volatility": 0.06028281333625845 } }, "ranking": 23.490352833324646, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-30T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "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/524010f9e013f409bdc23336febde936-15.png", "player_count": 1, "ranked": true }, { "id": 143595, "name": "Live 9x9 Double Elimination Tournament 2026-08-26 06:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260826T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-26T14:00:25.207339Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-08-26T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-08-26T06:30:25.117050Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-08-26T06:31:25.219736Z", "ended": "2026-08-26T07:14:25.970271Z", "start_waiting": "2026-08-26T06:31:25.110556Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 143600, "name": "Blitz 19x19 Elimination Tournament 2026-08-26 09:30", "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:20260826T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-26T17:00:25.273208Z", "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": "2026-08-26T21:00:00Z", "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": "2026-08-26T09:30:25.116947Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-08-26T09:31:25.183794Z", "ended": "2026-08-26T09:46:06.319520Z", "start_waiting": "2026-08-26T09:31:25.116326Z", "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": 143601, "name": "组内比赛1", "director": { "id": 2092904, "username": "KataGo_AI", "country": "cn", "icon": "https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png", "ratings": { "version": 5, "overall": { "rating": 1837.3839021893393, "deviation": 250, "volatility": 0.06 } }, "ranking": 29.0, "professional": false, "ui_class": "provisional" }, "description": "组内第1轮", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "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": true, "group": { "id": 16659, "name": "Go AI For Computers", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 4, "icon": "https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-27T00:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-15.png", "player_count": 1, "ranked": false }, { "id": 143603, "name": "Honey Lemon Go cup Tournament", "director": { "id": 1653385, "username": "Create_AB", "country": "th", "icon": "https://secure.gravatar.com/avatar/d871d694b32f7c96f0c909605ab4e3db?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 972.7629608572212, "deviation": 66.30607298624447, "volatility": 0.060093912887754494 } }, "ranking": 14.277581307698158, "professional": false, "ui_class": "" }, "description": "Welcome to Honey Lemon GO cup 2026🍯🍋🏆\nThe tournament starts on Friday 28th of August!\nPlease enjoy our correspondence tournament!\nPlease don’t rush and use the time wisely you can \njoin our tournament if you want some Honey Lemon\nTrophy cup🏆🍋!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 266038, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 864000, "period_time": 259200, "periods": 5 }, "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": 18119, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2026-09-04T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 1, "ranked": true }, { "id": 143605, "name": "Для друзей круговик =)", "director": { "id": 1994314, "username": "Kyoushi", "country": "ru", "icon": "https://user-uploads.online-go.com/d97e4c3bcdc6794b917faf25d9fa94d1-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 250, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Больше партий!!!!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": false, "group": { "id": 12847, "name": "Nikoniko ДЕТИ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 36, "icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-27T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-15.png", "player_count": 9, "ranked": false }, { "id": 143606, "name": "实战复盘班(26/8)", "director": { "id": 155306, "username": "qingxiang96", "country": "my", "icon": "https://user-uploads.online-go.com/475df8480623aaab56b966dcc9d23760-64.png", "ratings": { "version": 5, "overall": { "rating": 1792.6870954668432, "deviation": 67.02848811599215, "volatility": 0.05975120396470191 } }, "ranking": 28.42988257127895, "professional": false, "ui_class": "" }, "description": "Only for 实战复盘班", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 8, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 6, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14930, "name": "World Star Go Academy Group", "summary": "“In Go, you are constantly making decisions that are either right or wrong.” — Yasunari Kawabata", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 63, "icon": "https://user-uploads.online-go.com/3bc36a733d9750874d79f67ecc4f2fc3-64.png" }, "auto_start_on_max": false, "time_start": "2026-08-26T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-08-26T12:29:46.906934Z", "ended": "2026-08-26T13:30:48.754223Z", "start_waiting": "2026-08-26T12:29:46.775751Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3bc36a733d9750874d79f67ecc4f2fc3-15.png", "player_count": 7, "ranked": false }, { "id": 143608, "name": "19x19", "director": { "id": 2092904, "username": "KataGo_AI", "country": "cn", "icon": "https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png", "ratings": { "version": 5, "overall": { "rating": 1837.3839021893393, "deviation": 250, "volatility": 0.06 } }, "ranking": 29.0, "professional": false, "ui_class": "provisional" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "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": true, "group": { "id": 16659, "name": "Go AI For Computers", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 4, "icon": "https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-27T02:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-15.png", "player_count": 0, "ranked": true } ] }
