Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5661
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5662", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5660", "results": [ { "id": 130713, "name": "August 2025 DDK Fast Correspondence Tournament", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 914.8060519165991, "deviation": 62.60218984084532, "volatility": 0.05898022913976336 } }, "ranking": 12.855514819510503, "professional": false, "ui_class": "" }, "description": "Just a tournament for DDKs - 12 hour increment, 3 days max time (but weekends are paused).", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "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": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8910, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2025-08-01T14:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-01T14:00:52.453007Z", "ended": null, "start_waiting": "2025-08-01T14:00:51.424076Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 21, "ranked": true }, { "id": 125632, "name": "Chill and basic Go tournament III", "director": { "id": 665775, "username": "Behanix", "country": "no", "icon": "https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 918.1130851378354, "deviation": 64.00226405714763, "volatility": 0.05997268229676274 } }, "ranking": 12.93905140396409, "professional": false, "ui_class": "supporter" }, "description": "A basic Go tournament for beginners and DDKs.\n\nHave fun and try to learn as much as possible.\n\nYou should check in once a day since the max time is 3 days, and time increment is 1 day.\nPause on weekends.\n\nHandicap is enabled so everyone has a chance to win 🔥\n\nGood luck 🤞", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 87426, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 129600, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "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": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-10T17:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-05-10T17:00:56.906356Z", "ended": "2026-05-15T16:28:07.524410Z", "start_waiting": "2025-05-10T17:00:56.203522Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 44, "ranked": true }, { "id": 104196, "name": "9x9 Mini League 10k-25k #159", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1322.4101127671934, "deviation": 70.68302664679709, "volatility": 0.06021430335344494 } }, "ranking": 21.386269356563897, "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": 708, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-06-18T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-06-17T22:52:25.699303Z", "ended": "2023-07-03T23:44:34.754718Z", "start_waiting": "2023-06-17T22:52:25.576306Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 54068, "name": "DDK.NL Go Club - Midwinter Tournament 2019", "director": { "id": 463810, "username": "SuzieKyu", "country": "nl", "icon": "https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png", "ratings": { "version": 5, "overall": { "rating": 1171.4995125731932, "deviation": 63.025646037873635, "volatility": 0.06000597450469722 } }, "ranking": 18.5811525604583, "professional": false, "ui_class": "" }, "description": "Tournament for DDK players held once a year at Midwinter date & time", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 432000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2979, "name": "Internatio.NL Go Club", "summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 64, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png" }, "auto_start_on_max": false, "time_start": "2019-12-22T03:19:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2019-12-22T03:19:47.677910Z", "ended": "2021-05-14T20:44:31.374303Z", "start_waiting": "2019-12-22T03:19:38.506393Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 30, "ranked": true }, { "id": 72976, "name": "Simple Correspondence Double Elimination 19x19 DDK 2021 Spring", "director": { "id": 302584, "username": "koast", "country": "us", "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png", "ratings": { "version": 5, "overall": { "rating": 1518.190018088078, "deviation": 64.08013528375135, "volatility": 0.05996666523783403 } }, "ranking": 24.58242625475131, "professional": false, "ui_class": "" }, "description": "THE FIRST SEASONAL DOUBLE ELIMINATION TOURNAMENT. HAVE FUN! REMEMBER TO COUNT :D - NO Conditional Moves", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5017, "name": "Simple Correspondence", "summary": "2 days per move. No Analysis.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-01T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-01T15:00:23.051868Z", "ended": "2021-10-04T22:53:01.706694Z", "start_waiting": "2021-04-01T15:00:22.615378Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "ranked": true }, { "id": 56071, "name": "19x19 | Double Digit Kyu Tournament", "director": { "id": 694692, "username": "クネーデル", "country": "001", "icon": "https://secure.gravatar.com/avatar/c4759fc3f3a6241abeaca234a1bf0c3c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1355.155719314861, "deviation": 62.588009152408375, "volatility": 0.05973145061764432 } }, "ranking": 21.95252888874137, "professional": false, "ui_class": "" }, "description": "Have fun!", "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": 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": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2020-02-02T00:00:00Z", "players_start": 16, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2020-02-02T00:00:09.981783Z", "ended": "2020-06-28T14:57:04.875527Z", "start_waiting": "2020-02-02T00:00:08.963543Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 17, "ranked": true }, { "id": 9631, "name": "Hane Naoki (羽根 直樹) Birthday Tournament", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 914.8060519165991, "deviation": 62.60218984084532, "volatility": 0.05898022913976336 } }, "ranking": 12.855514819510503, "professional": false, "ui_class": "" }, "description": "This Round Robin Tournament is set to begin on the birthday of Nihon Ki-in professional Hane Naoki-san, 9-dan.", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3669, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2015-08-14T11:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-14T11:00:37.416572Z", "ended": "2015-12-11T00:54:03.553056Z", "start_waiting": "2015-08-14T11:00:36.256730Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 96041, "name": "9x9 Mini League 10k-25k #97", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1322.4101127671934, "deviation": 70.68302664679709, "volatility": 0.06021430335344494 } }, "ranking": 21.386269356563897, "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": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "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": 708, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2022-10-30T21:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-10-27T06:14:46.758421Z", "ended": "2022-11-13T11:03:51.424343Z", "start_waiting": "2022-10-27T06:14:46.611651Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 71154, "name": "19-10k February 13 tournament", "director": { "id": 783481, "username": "Christoven", "country": "un", "icon": "https://secure.gravatar.com/avatar/237c8d585e9c8e7af90eaf0071adc075?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1488.9138630569464, "deviation": 69.45832490506982, "volatility": 0.059899731359561684 } }, "ranking": 24.131650737940088, "professional": false, "ui_class": "" }, "description": "This tournament is a friendly tournament for the Online Go Club members and friends. Please join us in:\n\nhttps://discord.gg/013kxRiaFJ9H5RTIe\n\nThe tournament will use a strength pairing method so you are playing your level or around that for as long as possible. We will be using this method as the goal is not about winning as much as getting friendly competition and good practice going.\n\nIf you have any questions please ask in the Discord.\n\nHave fun!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2144, "name": "The Online Go Club", "summary": "A fun group for players to play and make friends!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 247, "icon": "https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-13T16:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 11, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-13T16:00:47.988198Z", "ended": "2021-02-13T18:13:05.555656Z", "start_waiting": "2021-02-13T16:00:47.837681Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-15.png", "player_count": 5, "ranked": true }, { "id": 48765, "name": "2019 Maio C", "director": { "id": 307866, "username": "swafaron", "country": "br", "icon": "https://user-uploads.online-go.com/c62da84b968b7d03ab1235c4e4988c13-64.png", "ratings": { "version": 5, "overall": { "rating": 1568.7246028591371, "deviation": 62.77870530874028, "volatility": 0.05985028812148364 } }, "ranking": 25.340451859744853, "professional": false, "ui_class": "" }, "description": "2019 Maio C", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1527, "name": "Brasil", "summary": "Ponto de encontro dos jogadores brasileiros", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 494, "icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-64.png" }, "auto_start_on_max": false, "time_start": "2019-05-31T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 13, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-31T23:00:23.591737Z", "ended": "2020-01-22T11:06:25.103395Z", "start_waiting": "2019-05-31T23:00:22.502831Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-15.png", "player_count": 13, "ranked": true } ] }
