Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5680
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5681", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5679", "results": [ { "id": 106140, "name": "9x9 Mini League 10k-25k #171", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1317.1997592979628, "deviation": 70.59911507982548, "volatility": 0.060212816563961095 } }, "ranking": 21.294877184752988, "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": "2023-08-13T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-07T08:19:26.793155Z", "ended": "2023-09-24T11:00:53.611738Z", "start_waiting": "2023-08-07T08:19:26.640078Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 130688, "name": "13x13 Mini League 10k-25k #18", "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": "2025-07-25T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-25T11:14:05.393221Z", "ended": "2025-09-30T13:11:05.881640Z", "start_waiting": "2025-07-25T11:14:05.247326Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 42140, "name": "DDK.NL 9x9 Hustle Up", "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": "For the quick ones!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "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": "2018-10-27T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2018-10-27T14:00:58.640074Z", "ended": "2019-01-25T00:29:09.533105Z", "start_waiting": "2018-10-27T14:00:58.228139Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 6, "ranked": true }, { "id": 127976, "name": "beginner go tournament", "director": { "id": 539373, "username": "Kim-Lan", "country": "us", "icon": "https://user-uploads.online-go.com/ad39a540eac9959c79673e6da5f96c3f-64.png", "ratings": { "version": 5, "overall": { "rating": 1536.5318784705137, "deviation": 66.49434355129381, "volatility": 0.0599613929881531 } }, "ranking": 24.86043465305166, "professional": false, "ui_class": "" }, "description": "beginner go tournament", "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", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15265, "name": "pplushie realm go club", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-05-02T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2025-05-02T07:00:49.613407Z", "ended": "2025-05-17T09:40:13.683266Z", "start_waiting": "2025-05-02T07:00:49.452479Z", "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": 72516, "name": "Team russia tournament", "director": { "id": 918036, "username": "Guglakul 76", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/2e8d2e08906327d80eff568877e88f11-64.png", "ratings": { "version": 5, "overall": { "rating": 758.7380957112505, "deviation": 66.19351729031094, "volatility": 0.06000161550212564 } }, "ranking": 8.525181735823203, "professional": false, "ui_class": "" }, "description": "Турнир. Швейцарский", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 180, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8357, "name": "Team Russia", "summary": "Команда России/team Russia.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 91, "icon": "https://user-uploads.online-go.com/1b66168fd349e528c0423d6580eae7e8-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-13T14:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2021-03-13T14:00:25.108067Z", "ended": "2021-03-13T14:05:01.100657Z", "start_waiting": "2021-03-13T14:00:24.983294Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1b66168fd349e528c0423d6580eae7e8-15.png", "player_count": 2, "ranked": true }, { "id": 88189, "name": "19x19 Swiss Tournament", "director": { "id": 1133095, "username": "My little pony", "country": "hk", "icon": "https://user-uploads.online-go.com/68bd25f1889b3bc6a39a8f05e4f17167-64.png", "ratings": { "version": 5, "overall": { "rating": 929.3213912846254, "deviation": 76.86369994639227, "volatility": 0.060014291407671186 } }, "ranking": 13.2199549750834, "professional": false, "ui_class": "" }, "description": "I like OGS.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "chinese", "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": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1788, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2022-04-16T13:10:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 10, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-13T07:11:07.256935Z", "ended": "2022-12-16T02:58:52.519651Z", "start_waiting": "2022-04-13T07:11:07.062845Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 17, "ranked": true }, { "id": 475, "name": "annamette's mini-tournament", "director": { "id": 7588, "username": "annamette", "country": "nl", "icon": "https://user-uploads.online-go.com/d2e186ae078de844c1dcfc9fad3ee00a-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.4462609602026, "deviation": 62.66437957865078, "volatility": 0.06071334000718151 } }, "ranking": 23.171861451618014, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2008-06-19T06:21:58Z", "ended": "2008-06-19T04:21:58Z", "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": 138991, "name": "9x9 Mini League 10k-25k #383", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1317.1997592979628, "deviation": 70.59911507982548, "volatility": 0.060212816563961095 } }, "ranking": 21.294877184752988, "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": "2026-04-12T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-11T04:48:42.153130Z", "ended": "2026-05-07T19:38:00.141201Z", "start_waiting": "2026-04-11T04:48:41.800752Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 96734, "name": "9x9 Mini League 10k-25k #104", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1317.1997592979628, "deviation": 70.59911507982548, "volatility": 0.060212816563961095 } }, "ranking": 21.294877184752988, "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": "2022-11-20T21:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-11-15T18:54:39.685972Z", "ended": "2022-12-17T21:23:51.708854Z", "start_waiting": "2022-11-15T18:54:39.474252Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 138177, "name": "So fast, not so strong #1", "director": { "id": 1901664, "username": "deleted-0d14e7ba-294c-4f05-8a2d-598440adbd99", "country": "ru", "icon": "https://user-uploads.online-go.com/008409a8b0f615c9df2146442d116588-64.png", "ratings": { "version": 5, "overall": { "rating": 1155.0950809191593, "deviation": 69.95506381986796, "volatility": 0.060030168361559944 } }, "ranking": 18.25469354843633, "professional": false, "ui_class": "" }, "description": "Go, beginners!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 6444, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "stones_per_period": 15 }, "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": "2026-03-16T06:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2026-03-16T06:00:13.202306Z", "ended": "2026-04-05T14:46:50.264223Z", "start_waiting": "2026-03-16T06:00:11.445901Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 24, "ranked": true } ] }
