Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5721
{ "count": 60021, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5722", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5720", "results": [ { "id": 139275, "name": "9x9 Mini League 10k-25k #385", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.2851288159748, "deviation": 70.63474169097069, "volatility": 0.06022023803937533 } }, "ranking": 20.870711401335065, "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": "2026-04-19T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-17T10:01:47.951071Z", "ended": "2026-06-18T23:13:29.085970Z", "start_waiting": "2026-04-17T10:01:47.703281Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 1209, "name": "Let T be a tournament with centre Leira and radius 6 stones", "director": { "id": 27056, "username": "Leira", "country": "cr", "icon": "https://user-uploads.online-go.com/edefc4995500223832e03c2af5a12200-64.png", "ratings": { "version": 5, "overall": { "rating": 1723.8054017070444, "deviation": 64.735602087367, "volatility": 0.06012529715064123 } }, "ranking": 27.522833739017017, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 8, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2011-04-04T18:40:31Z", "ended": "2011-04-04T16:40:31Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 138070, "name": "13x13 Mini League 10k-25k #53", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1073.2840100977699, "deviation": 66.95187850935433, "volatility": 0.06002501957710229 } }, "ranking": 16.55410507658349, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-03-13T21:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2026-03-11T08:05:30.675309Z", "ended": null, "start_waiting": "2026-03-11T08:05:30.455952Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 102168, "name": "Fast tourney", "director": { "id": 1330304, "username": "Domitian", "country": "un", "icon": "https://user-uploads.online-go.com/f81572e976906086c0035eb83a506593-64.png", "ratings": { "version": 5, "overall": { "rating": 1119.1258056271229, "deviation": 61.990211306418274, "volatility": 0.05997241147091082 } }, "ranking": 17.52234765333489, "professional": false, "ui_class": "" }, "description": "1 move per day minimum", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 86400 }, "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": "2023-04-17T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-17T13:00:00.902652Z", "ended": "2023-06-04T10:21:43.290813Z", "start_waiting": "2023-04-17T13:00:00.758966Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 7, "ranked": true }, { "id": 63833, "name": "Simple Correspondence 19x19 DDK 2020 September", "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": "Analysis Disabled. Counting is good for you!", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": "2020-09-01T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2020-09-01T23:00:46.265924Z", "ended": "2020-11-19T00:11:39.171047Z", "start_waiting": "2020-09-01T23:00:44.017268Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "ranked": true }, { "id": 45253, "name": "DDK.NL Go Club - 13x13 Hustle Up #2", "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": "13x13 round robin tournament", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "period_time": 86400, "main_time": 604800, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "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": true, "time_start": "2019-02-09T11:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2019-02-06T22:19:50.438061Z", "ended": "2019-03-10T10:57:28.871372Z", "start_waiting": "2019-02-06T22:19:44.167198Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 10, "ranked": true }, { "id": 11625, "name": "ddk tournament", "director": { "id": 133739, "username": "Boogyman", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/3bf3f45d64e18d8fb65bca162aac3a25-64.png", "ratings": { "version": 5, "overall": { "rating": 1411.5808547363847, "deviation": 64.63284448142576, "volatility": 0.060020170138254704 } }, "ranking": 22.896907215002265, "professional": false, "ui_class": "" }, "description": ":) welcome", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 351, "name": "Fight Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 369, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png" }, "auto_start_on_max": true, "time_start": "2015-10-15T13:30:00Z", "players_start": 3, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2015-10-15T13:30:59.318040Z", "ended": "2015-10-15T14:21:38.784137Z", "start_waiting": "2015-10-15T13:30:59.164130Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 3, "ranked": true }, { "id": 109316, "name": "9x9 Mini League 10k-25k #192", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.2851288159748, "deviation": 70.63474169097069, "volatility": 0.06022023803937533 } }, "ranking": 20.870711401335065, "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": "2023-11-12T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-11T21:58:59.429303Z", "ended": "2023-12-06T10:05:07.523148Z", "start_waiting": "2023-11-11T21:58:59.237814Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 102300, "name": "Fast tourney", "director": { "id": 1330304, "username": "Domitian", "country": "un", "icon": "https://user-uploads.online-go.com/f81572e976906086c0035eb83a506593-64.png", "ratings": { "version": 5, "overall": { "rating": 1119.1258056271229, "deviation": 61.990211306418274, "volatility": 0.05997241147091082 } }, "ranking": 17.52234765333489, "professional": false, "ui_class": "" }, "description": "Fast tourney 1 move a day minimum", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 86400 }, "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": false, "time_start": "2023-04-24T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-30T19:29:49.783114Z", "ended": "2023-05-05T00:18:58.801697Z", "start_waiting": "2023-04-30T19:29:49.686271Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 89420, "name": "Teaching League 3", "director": { "id": 1095664, "username": "USE17", "country": "un", "icon": "https://secure.gravatar.com/avatar/8a6e68aaae476904d26cb7a7372643ea?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1188.792006203979, "deviation": 61.76404829061147, "volatility": 0.0606255655038105 } }, "ranking": 18.920372006199532, "professional": false, "ui_class": "" }, "description": "Beginner tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 40, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 28, "name": "Teaching League", "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4495, "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-01T15:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-01T15:00:56.618338Z", "ended": "2022-05-01T15:12:34.067273Z", "start_waiting": "2022-05-01T15:00:56.520653Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png", "player_count": 4, "ranked": true } ] }
