Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5737
{ "count": 60019, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5738", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5736", "results": [ { "id": 130593, "name": "9x9 Mini League 10k-25k #316", "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": "2025-07-27T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-23T15:46:10.199126Z", "ended": "2025-08-23T20:57:46.689033Z", "start_waiting": "2025-07-23T15:46:10.056060Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 126781, "name": "Third", "director": { "id": 712834, "username": "Queen of Light", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/44f5ae926d3739a604b0057d209dc677-64.png", "ratings": { "version": 5, "overall": { "rating": 695.9285468039059, "deviation": 64.01355963133393, "volatility": 0.060057501283977084 } }, "ranking": 6.524798095670069, "professional": false, "ui_class": "" }, "description": "oui je sais le nom est pourri chut.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14958, "name": "Les gens qui aiment le go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-04-08T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-06T19:30:28.538031Z", "ended": "2025-11-15T14:57:33.165420Z", "start_waiting": "2025-04-06T19:30:28.337708Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 77281, "name": "Friendly 9*9-4", "director": { "id": 743533, "username": "ss76", "country": "ru", "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 865.69965614538, "deviation": 63.39878919317945, "volatility": 0.06003400172803372 } }, "ranking": 11.578235639193064, "professional": false, "ui_class": "" }, "description": "Play GO", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": false, "time_start": "2021-07-14T16:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-14T16:00:37.421186Z", "ended": "2021-09-24T07:01:07.423517Z", "start_waiting": "2021-07-14T16:00:37.189889Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 8, "ranked": true }, { "id": 131195, "name": "9x9 Mini League 10k-25k #320", "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": "2025-08-17T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-13T16:11:36.130384Z", "ended": "2025-08-24T15:47:36.755639Z", "start_waiting": "2025-08-13T16:11:35.939119Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 44681, "name": "DDK.NL Go Club - Group Championship 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": "Who is going to be our DDK.NL Go Club 2019 champion?", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "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": false, "time_start": "2019-01-31T11:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2019-01-30T12:48:48.650292Z", "ended": "2020-07-29T11:46:02.605955Z", "start_waiting": "2019-01-30T12:48:47.569255Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 22, "ranked": true }, { "id": 135426, "name": "9x9 Mini League 10k-25k #353", "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": "2025-12-21T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-18T17:25:39.622178Z", "ended": "2026-01-22T17:15:50.282450Z", "start_waiting": "2025-12-18T17:25:39.439218Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 106760, "name": "9x9 DDK tournament #5", "director": { "id": 1386229, "username": "UFParrot", "country": "nz", "icon": "https://user-uploads.online-go.com/99db0454aa14a7c826bbfc219727f009-64.png", "ratings": { "version": 5, "overall": { "rating": 1231.4957753341725, "deviation": 64.8361701941337, "volatility": 0.060061429180239594 } }, "ranking": 19.737378041224964, "professional": false, "ui_class": "" }, "description": "Have fun! More details at https://online-go.com/group/10855", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 138743, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 129600, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10855, "name": "⚫️The Brilliant World Of OGS⚪️", "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 192, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png" }, "auto_start_on_max": false, "time_start": "2023-08-29T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-29T06:00:32.383599Z", "ended": "2023-10-16T09:18:34.138254Z", "start_waiting": "2023-08-29T06:00:32.075395Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png", "player_count": 7, "ranked": true }, { "id": 13990, "name": "Go Basic Tournament", "director": { "id": 171381, "username": "Schlag", "country": "un", "icon": "https://user-uploads.online-go.com/db007edbdf120554ddd6fa6d0100480c-64.png", "ratings": { "version": 5, "overall": { "rating": 1167.8996544998115, "deviation": 61.6087518870807, "volatility": 0.05980819814125706 } }, "ranking": 18.50990624956846, "professional": false, "ui_class": "" }, "description": "10kyu max", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 313, "time_control_parameters": { "time_control": "byoyomi", "period_time": 300, "main_time": 1200, "periods": 5 }, "is_open": true, "exclude_provisional": false, "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": "2016-01-10T20:30:00Z", "players_start": 5, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2016-01-10T20:38:32.948730Z", "ended": "2016-01-10T22:05:02.874605Z", "start_waiting": "2016-01-10T20:38:32.795662Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 5, "ranked": true }, { "id": 130369, "name": "13x13 Mini League 10k-25k #17", "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": "2025-07-18T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-18T07:55:01.830129Z", "ended": "2025-08-26T10:53:26.760428Z", "start_waiting": "2025-07-18T07:55:01.692790Z", "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": 106132, "name": "September 2023 9x9 A League Correspondence (DDK)", "director": { "id": 1396103, "username": "Armadillidium", "country": "un", "icon": "https://secure.gravatar.com/avatar/bfc956af77caf4d31e4ad6b04b1f718b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Have fun.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 17448, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 14400, "initial_time": 86400, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 7228, "name": "DDK Proving Grounds (Double Digit Kyu)", "summary": "A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 651, "icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-01T19:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 13, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2023-09-01T19:00:11.753195Z", "ended": "2023-09-09T16:35:35.987436Z", "start_waiting": "2023-09-01T19:00:11.641340Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-15.png", "player_count": 6, "ranked": true } ] }
