Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5441
{ "count": 59153, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5442", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5440", "results": [ { "id": 50251, "name": "Correspondence 19x19 RoundRobin 2019-07-16 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260325T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-03-25T19:00:08.207899Z", 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"2019-07-16T19:00:14.650576Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-07-16T19:00:47.874099Z", "ended": "2019-10-29T21:29:36.586156Z", "start_waiting": "2019-07-16T19:00:45.357748Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 55918, "name": "Correspondence 9x9 RoundRobin 2020-01-23 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260327T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-27T19:00:09.855866Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "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": "2026-03-30T19:00:00Z", "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": "2020-01-23T19:00:32.610340Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-23T19:01:35.686704Z", "ended": "2020-02-11T17:06:10.428892Z", "start_waiting": "2020-01-23T19:01:32.042025Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 84738, "name": "Live tournament, hosted by big games group", "director": { "id": 1022912, "username": "UWUOWOUWU", "country": "un", "icon": "https://user-uploads.online-go.com/00545ff3c536d3c693bf6c1f5a3a1843-64.png", "ratings": { "version": 5, "overall": { "rating": 1165.7378782341052, "deviation": 78.40774667610614, "volatility": 0.059991912315373035 } }, "ranking": 18.467016011333726, "professional": false, "ui_class": "" }, "description": "Hi, thank you for joining this tournament . 大家好，感谢您的加入 \nPls join my group. If there are 10 members in my group, i will set up another tournament but with a prize \nHere us the link: https://online-go.com/group/9757", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 300, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9757, "name": "Bedwars group", "summary": "Join this group , buy our merch and play pet sim x!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/8eda4283e7efeb82d5276cc4df41b80d-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-12T11:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-12T11:30:31.596033Z", "ended": "2022-01-12T11:35:34.553861Z", "start_waiting": "2022-01-12T11:30:31.542582Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8eda4283e7efeb82d5276cc4df41b80d-15.png", "player_count": 2, "ranked": true }, { "id": 73465, "name": "Meijin Nines 2019 Title Match - Board 5", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1991.7792636342383, "deviation": 68.18014117707304, "volatility": 0.06015600072832247 } }, "ranking": 30.86787103733619, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nMeijin Nines 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:green\" href='https://online-go.com/user/view/506026/'>smurph [Nines Meijin] x1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>12th</td>\n\t<td style=\"color:green\">Meijin</td>\n\t<td>Nines</td>\n\t<td>2019</td>\n\t<td><a href='https://online-go.com/player/43936'>Sadaharu [5d]</a></td>\n\t<td><a href='https://online-go.com/player/209273'>Baklan [6d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/32678474'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/32732157'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/32732187'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/32732217'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/73465'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/43368'>Meijin Nines Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2969, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-09T03:33:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-04-09T03:33:02.549285Z", "ended": "2021-06-10T04:37:23.611684Z", "start_waiting": "2021-04-09T03:33:02.396352Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 80119, "name": "6솔 최강자전!", "director": { "id": 1051211, "username": "두집내고살자", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/ca1e1597b48cb8e31f695007595c321a-64.png", "ratings": { "version": 5, "overall": { "rating": 1815.8069237553482, "deviation": 140.20689299593764, "volatility": 0.05999275605264031 } }, "ranking": 28.726533387894122, "professional": false, "ui_class": "" }, "description": "와라 승부의 세계로!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "korean", "time_per_move": 10, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 10, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10112, "name": "대우초솔반", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-09-15T05:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-09-15T04:54:23.550537Z", "ended": "2021-09-15T05:57:11.515116Z", "start_waiting": "2021-09-15T04:54:23.254587Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 23, "ranked": true }, { "id": 48679, "name": "9x9 Road to higher skill.", "director": { "id": 621263, "username": "Невероятный АЛК", "country": "ru", "icon": "https://user-uploads.online-go.com/3c5ce267101ff20db052d726f41d716f-64.png", "ratings": { "version": 5, "overall": { "rating": 1628.0173411013575, "deviation": 63.73034554511649, "volatility": 0.060005478684817516 } }, "ranking": 26.199316511369172, "professional": false, "ui_class": "" }, "description": "road to higher skill", "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": 3682, "name": "Dredisoruchi", "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": "2019-05-31T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-31T21:00:11.101694Z", "ended": "2019-11-03T21:26:16.959857Z", "start_waiting": "2019-05-31T21:00:10.214849Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 50365, "name": "Correspondence 13x13 RoundRobin 2019-07-20 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:20260326T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-26T19:00:10.827242Z", "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": "2026-03-29T19:00:00Z", "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": "2019-07-20T19:00:37.677965Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-07-20T19:00:47.819354Z", "ended": "2019-09-25T23:59:02.662384Z", "start_waiting": "2019-07-20T19:00:45.645395Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 5107, "name": "GO GO GO !!!", "director": { "id": 132616, "username": "NewDeniTchétchén", "country": "un", "icon": "https://secure.gravatar.com/avatar/a20320ab7f55aff3d958738630b2cadd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1046.2434703888712, "deviation": 160.0570352061282, "volatility": 0.059995028624934284 } }, "ranking": 15.963386186935487, "professional": false, "ui_class": "" }, "description": "inscriver vous", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 420, "name": "Hikaru no go club", "summary": "Sai is the way.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 760, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png" }, "auto_start_on_max": true, "time_start": "2015-02-19T09:54:00Z", "players_start": 5, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-02-19T09:54:42.322196Z", "ended": "2016-01-03T20:46:21.099790Z", "start_waiting": "2015-02-19T09:54:42.241172Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png", "player_count": 6, "ranked": true }, { "id": 107857, "name": "9x9 Mini League 5k-15k #41", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1358.202011078341, "deviation": 67.18574543079268, "volatility": 0.06018516956478155 } }, "ranking": 22.00451000657522, "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-10-08T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-02T06:35:45.663852Z", "ended": "2023-10-26T21:21:32.735552Z", "start_waiting": "2023-10-02T06:35:45.538612Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 50536, "name": "SAP gó klub 13-as miniverseny", "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": "Sziasztok!\n\nPróbáljunk egy ilyet :)\n\nZoli", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "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": 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": "2019-07-31T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2019-07-31T06:00:44.150228Z", "ended": "2019-09-25T12:01:54.426365Z", "start_waiting": "2019-07-31T06:00:43.719092Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/1fe4ee3cf331b85fad45b900586f5610-15.png", "player_count": 4, "ranked": true } ] }
