Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5456
{ "count": 60024, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5457", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5455", "results": [ { "id": 88243, "name": "Correspondence Weekly McMahon 19x19 2022-04-09 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260622T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-06-22T17:00:15.960784Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-06-29T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "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": "2022-04-09T17:00:12.461195Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-09T17:00:26.616207Z", "ended": "2023-08-29T03:47:14.626700Z", "start_waiting": "2022-04-09T17:00:24.800094Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 40, "ranked": true }, { "id": 97030, "name": "1.5天一步 Just practice for fun", "director": { "id": 984504, "username": "Squirrelder 松鼠長老", "country": "tw", "icon": "https://user-uploads.online-go.com/d3f23d9e084effcc318f1e7a29013710-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.3772834223005, "deviation": 115.10590553017228, "volatility": 0.06000009420983113 } }, "ranking": 21.420680891934346, "professional": false, "ui_class": "" }, "description": "1.5day/step 也是慢棋 不過限時每步一天半,試試看喔", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 129600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 129600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11838, "name": "蕭兔孽徒團 (Xiao Tu Legion)", "summary": "本群是黑嘉嘉成人班學員們在OGS開的社團，歡迎其他人加入社團一起交流。\nWe are students from Hei Jiajia Online Course in Taiwan, We are also welcome player around the world.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 327, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-64.png" }, "auto_start_on_max": false, "time_start": "2022-12-14T06:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-12-14T06:00:10.533616Z", "ended": "2023-08-29T08:48:50.338731Z", "start_waiting": "2022-12-14T06:00:08.546306Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-15.png", "player_count": 38, "ranked": true }, { "id": 101427, "name": "CHEERFUL GO #5 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 2054.1002399397503, "deviation": 70.15551552374649, "volatility": 0.05979157549607755 } }, "ranking": 31.58111260666615, "professional": false, "ui_class": "" }, "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "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": 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": 74, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2023-03-30T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 32, "analysis_enabled": true, "exclusivity": "open", "started": "2023-03-30T04:00:41.545974Z", "ended": "2023-10-08T02:49:52.392354Z", "start_waiting": "2023-03-30T04:00:41.418698Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 14, "ranked": true }, { "id": 108306, "name": "Live 19x19 Swiss Tournament 2023-10-09 12:30", "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 Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260624T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-06-24T20:00:16.228743Z", "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": "2026-06-25T00:00:00Z", "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": "2023-10-09T12:30:34.267271Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-10-09T12:31:34.475922Z", "ended": "2023-10-09T14:02:14.956181Z", "start_waiting": "2023-10-09T12:31:34.287963Z", "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": 94158, "name": "Monthly Simultaneous McMahon 2022-09-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260601T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-06-01T17:00:17.557955Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-07-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-09-16T17:00:29.819216Z", "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-16T17:01:20.863230Z", "ended": "2024-02-23T09:29:09.468070Z", "start_waiting": "2022-09-16T17:01:17.070421Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 70, "ranked": true }, { "id": 106938, "name": "Blitz 19x19 Elimination Tournament 2023-08-29 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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260624T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-24T21:00:16.232726Z", "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": "2026-06-25T01:00:00Z", "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": "2023-08-29T13:30:32.122727Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-29T13:31:32.463157Z", "ended": "2023-08-29T13:49:08.922650Z", "start_waiting": "2023-08-29T13:31:32.178387Z", "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": 106144, "name": "Gostr Tournament", "director": { "id": 1364347, "username": "stackingsaunter", "country": "pl", "icon": "https://user-uploads.online-go.com/4cc33dfebf7e48d69d1a0caa3bc9b4ef-64.png", "ratings": { "version": 5, "overall": { "rating": 867.9865806076594, "deviation": 62.51948748133066, "volatility": 0.05995485876330855 } }, "ranking": 11.639310510628201, "professional": false, "ui_class": "" }, "description": "First Official Tournament of Nostr Go Club", "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": false, "group": { "id": 13414, "name": "Nostr Go Club", "summary": "Club of Nostrians playing go!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/a78b692cf804fa247dd48e6de7302369-64.png" }, "auto_start_on_max": false, "time_start": "2023-08-24T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-08-29T13:02:32.296230Z", "ended": "2023-09-03T22:58:23.895439Z", "start_waiting": "2023-08-29T13:02:32.157314Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a78b692cf804fa247dd48e6de7302369-15.png", "player_count": 4, "ranked": true }, { "id": 104839, "name": "CHEERFUL GO #20 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 2054.1002399397503, "deviation": 70.15551552374649, "volatility": 0.05979157549607755 } }, "ranking": 31.58111260666615, "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\nSingle elimination tournament every Thursday.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "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": 74, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2023-07-05T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 32, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-05T04:00:57.903211Z", "ended": "2023-10-02T23:45:27.859511Z", "start_waiting": "2023-07-05T04:00:57.786758Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 12, "ranked": true }, { "id": 100945, "name": "Mingren Main 2018 Title Match - Board 3", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2012.1989122636944, "deviation": 66.87157068355577, "volatility": 0.06015938835110416 } }, "ranking": 31.103995683001028, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nMingren Main 2018 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/28520/'>yopology [Mingren] x2</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:deepskyblue\">Mingren</td>\n\t<td>Main</td>\n\t<td>2018</td>\n\t<td><a style=\"color:deepskyblue\" href='https://online-go.com/player/28520/yopology'>yopology [Mingren]</a></td>\n\t<td><a href='#'>palusijf / Neandertaler / bigko / Peikai Xue / ...</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100943'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100944'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100945'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100946'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100947'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/42054'>Mingren Main Title Tournament 2018</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": "chinese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "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": 2987, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2023-06-10T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2023-06-10T07:00:24.954788Z", "ended": "2023-08-29T15:02:12.340848Z", "start_waiting": "2023-06-10T07:00:24.895755Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 85073, "name": "By the time the universe dies", "director": { "id": 1105775, "username": "EtherealMagic", "country": "ca", "icon": "https://user-uploads.online-go.com/dfc1b2960c5ca3d66365ec2c083283c7-64.png", "ratings": { "version": 5, "overall": { "rating": 1365.685841317812, "deviation": 66.24860090646293, "volatility": 0.06002607419316742 } }, "ranking": 22.13171869898131, "professional": false, "ui_class": "" }, "description": "I think the earth will die when this begins (not really). If enough people join this tournament, it will start before the universe ends.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "nz", "time_per_move": 2446080, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 2419200, "period_time": 2419200, "periods": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9959, "name": "Battlefield", "summary": "Lots of tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/35a32113b107d2c20dd88098e310591c-64.png" }, "auto_start_on_max": true, "time_start": "5000-01-01T07:00:00Z", "players_start": 30, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-30T09:55:51.860375Z", "ended": null, "start_waiting": "2023-08-30T09:55:51.598498Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/35a32113b107d2c20dd88098e310591c-15.png", "player_count": 25, "ranked": true } ] }
