Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4641
{ "count": 59306, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4642", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4640", "results": [ { "id": 73541, "name": "Correspondence 13x13 RoundRobin 2021-04-07 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:20260410T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-04-10T19:00:34.174751Z", "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": "2026-04-13T19:00:00Z", "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": "2021-04-07T19:00:40.208103Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-07T19:01:40.325400Z", "ended": "2021-05-07T18:14:17.160438Z", "start_waiting": "2021-04-07T19:01:38.524512Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 71882, "name": "First Friendly Friends Casual Tournament ♥", "director": { "id": 809885, "username": "F.W.Nietzsche", "country": "zz", "icon": "https://user-uploads.online-go.com/8ab38005ce633c5a0033596845d38301-64.png", "ratings": { "version": 5, "overall": { "rating": 1098.5691891405918, "deviation": 62.177583318180595, "volatility": 0.06020919917444374 } }, "ranking": 17.093163926066058, "professional": false, "ui_class": "" }, "description": "The first ever Friendly Friends Casual Tournament ♥\n\nSign up today. It's going to be fun. Three rounds. Correspondence (but brisk!). Initial time of 36 hours with time increment of 16 hours up to 36 hours.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 59040, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 57600, "initial_time": 129600, "max_time": 129600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8463, "name": "Friendly Go Tournament Club", "summary": "A group for friendly friends to enjoy regular casual tournaments. Handicaps for weaker players. Correspondence and live tournaments. 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"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:20260409T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-09T19:00:34.669370Z", "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": "2026-04-12T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-12-31T19:00:52.446785Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-12-31T19:00:56.290368Z", "ended": "2021-05-17T04:42:48.218553Z", "start_waiting": "2020-12-31T19:00:54.193886Z", "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": 75266, "name": "group A tournament 17 May", "director": { "id": 740165, "username": "szproszczytek", "country": "_Scotland", "icon": "https://user-uploads.online-go.com/2bf8d743b1993c76c2759fce0ce5432d-64.png", "ratings": { "version": 5, "overall": { "rating": 2053.733837221348, "deviation": 73.93692707212678, "volatility": 0.06005991186470912 } }, "ranking": 31.57698282790967, "professional": false, "ui_class": "supporter" }, "description": "group A tournament 17 May", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4568, "name": "Scotland Youth Team", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 64, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-05-17T15:20:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-17T15:18:56.539283Z", "ended": "2021-05-17T15:49:32.387359Z", "start_waiting": "2021-05-17T15:18:56.447176Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 73230, "name": "9x9 game", "director": { "id": 752707, "username": "Harry Bryant", "country": "gb", "icon": "https://secure.gravatar.com/avatar/4c99bd5d6eb6b527634d9cffe37cb77f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1467.3483399458928, "deviation": 65.6387017401574, "volatility": 0.06032155687200692 } }, "ranking": 23.79389266254637, "professional": false, "ui_class": "" }, "description": "fast game", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 87840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 129600, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 234, "name": "9x9", "summary": "For players who like 9x9.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 91, "icon": "https://user-uploads.online-go.com/fed066e0bcb07b3e75c45e4ba0d9bc5e-64.png" }, "auto_start_on_max": false, "time_start": "2021-05-03T01:00:00Z", "players_start": 20, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-06T15:36:24.245078Z", "ended": "2021-07-27T03:49:06.880734Z", "start_waiting": "2021-05-06T15:36:23.792287Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/fed066e0bcb07b3e75c45e4ba0d9bc5e-15.png", "player_count": 20, "ranked": true }, { "id": 86449, "name": "Melee 13x13 Tournament: 2022-02-28", "director": { "id": 741522, "username": "wolfmeister", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1209.6169056480942, "deviation": 65.52079638031556, "volatility": 0.06013235595814508 } }, "ranking": 19.32239564406787, "professional": false, "ui_class": "" }, "description": "Play async or live via video. Your choice.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 6720, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6518, "name": "Madison Google Go", "summary": "Nominally a social league for the MSN site, but friendly, casual players from other sites welcome. Make sure to join the Hangouts room, go-msn@ group for announcements! Please send an *INTERNAL* email to the organizers to join. We don't always notice OG", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 18, "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-28T20:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2022-02-28T20:00:16.721970Z", "ended": "2022-03-17T10:28:46.746909Z", "start_waiting": "2022-02-28T20:00:16.531624Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png", "player_count": 6, "ranked": true }, { "id": 69386, "name": "Mingren Nines 2018 Title Match - Board 1", "director": { "id": 199065, "username": "Kuksu League", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500.0, "deviation": 350.0, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "<!-- \nMingren Nines 2018 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/43936/'>Sadaharu [Nines Mingren] 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:deepskyblue\">Mingren</td>\n\t<td>Nines</td>\n\t<td>2018</td>\n\t<td><a href='https://online-go.com/player/43936/Sadaharu'>Sadaharu [3d]</a></td>\n\t<td><a href='https://online-go.com/player/40318/gamesorry'>gamesorry [3d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69386'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69387'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69388'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69389'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/69390'>Board 5</a></td>\n</tr>\n</table>\n\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565287'>Board 1</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565315'>Board 2</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565331'>Board 3</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565345'>Board 4</a></td> -->\n<!-- <td><a style=\"color:skyblue\" href='https://online-go.com/game/view/28565364'>Board 5</a></td> -->\n\nTitle Tournament: <a href='https://online-go.com/tournament/42052'>Mingren Nines 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": 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": 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": 2972, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-25T23:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-01-25T23:00:50.418107Z", "ended": "2021-04-07T07:06:40.338753Z", "start_waiting": "2021-01-25T23:00:50.196526Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 64238, "name": "Mega tournament five", "director": { "id": 736023, "username": "2026vs.", "country": "hk", "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png", "ratings": { "version": 5, "overall": { "rating": 1529.4955917779457, "deviation": 63.196335111054026, "volatility": 0.060307009572073786 } }, "ranking": 24.754179686665076, "professional": false, "ui_class": "" }, "description": "join https://online-go.com/group/5351", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 259200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5351, "name": "2025vs ", "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 194, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png" }, "auto_start_on_max": true, "time_start": "2020-11-01T09:00:00Z", "players_start": 25, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-09-25T07:30:25.858588Z", "ended": "2021-08-22T04:38:13.925341Z", "start_waiting": "2020-09-25T07:30:24.781376Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png", "player_count": 25, "ranked": true }, { "id": 77852, "name": "go tarko1", "director": { "id": 838050, "username": "Noame", "country": "_Pirate", "icon": "https://secure.gravatar.com/avatar/980c0a6a206285c731bad6badb50b036?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1511.4616222522511, "deviation": 66.29302420588455, "volatility": 0.06003498363140431 } }, "ranking": 24.479600822541165, "professional": false, "ui_class": "" }, "description": "tarko", "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": 8667, "name": "Dog &cat", "summary": "It's dogs turn now", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/ee08d4f437b81c28d8b7d19b837a28cd-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-21T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-21T14:45:30.986582Z", "ended": "2021-07-22T02:28:43.573270Z", "start_waiting": "2021-07-21T14:45:30.872330Z", "board_size": 19, "active_round": null, "icon": 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