Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=players_start&page=5458
{ "count": 60025, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=players_start&page=5459", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=players_start&page=5457", "results": [ { "id": 16236, "name": "Dojo Challenge", "director": { "id": 51534, "username": "surema", "country": "un", "icon": "https://secure.gravatar.com/avatar/5c17fea9faa98f07ff5181ad39030e4c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1914.4040354742538, "deviation": 65.94411730560563, "volatility": 0.05995744153297377 } }, "ranking": 29.950622292328514, "professional": false, "ui_class": "" }, "description": "Let's have some fun.\n\nThe tournament is open to everyone, but it should be considered more of a friendly learning experience than a competition. Though these are not mutually exclusive, of course. \n\nHandicap is automatic, because the goal is to give everyone a fighting chance. Please make sure at the beginning of the game that the handicap is somewhat appropriate (I think it only takes correspondence rank into account). If it is not, the advantaged player is invited to pass as many times as necessary to establish balance. \n\nSince this is a learning group, reviews are encouraged.\n\nHave fun!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "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": false, "group": { "id": 1001, "name": "Surema's study group", "summary": "This is primarily a learning group, but there are no strong rules about it.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 39, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2016-04-06T21:24:00Z", "players_start": 10, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-04-06T21:24:46.516656Z", "ended": "2016-09-11T05:53:54.887644Z", "start_waiting": "2016-04-06T21:24:44.791594Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 25, "ranked": true }, { "id": 112545, "name": "9x9 New Zealand Open League #1", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "All players welcome. Starts when full.\n\nNew Zealand rules. 9x9 even. Round robin.\n\nFor more tournaments with New Zealand rules: https://online-go.com/group/14024", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": false, "group": { "id": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2024-02-17T07:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-16T19:19:38.361617Z", "ended": "2024-04-17T20:35:52.187191Z", "start_waiting": "2024-02-16T19:19:37.688099Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 10, "ranked": true }, { "id": 112676, "name": "Correspondence Weekly McMahon 19x19 2024-02-17 17:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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 Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260622T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-06-22T17:00:15.960784Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-06-29T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2024-02-17T17:00:38.685984Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-17T17:00:40.830774Z", "ended": "2025-01-19T05:27:46.762468Z", "start_waiting": "2024-02-17T17:00:40.079977Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 14, "ranked": true }, { "id": 13236, "name": "วันที่ดาวเต็มฟ้า (End of the year Tournament)", "director": { "id": 120320, "username": "Ignil", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png", "ratings": { "version": 5, "overall": { "rating": 2121.912696995676, "deviation": 70.45817006699149, "volatility": 0.05996492273182429 } }, "ranking": 32.33302425647488, "professional": false, "ui_class": "" }, "description": "For fun only", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 33600, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 432000, "time_increment": 28800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 485, "name": "THAILAND GO", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 522, "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-64.png" }, "auto_start_on_max": true, "time_start": "2016-02-14T05:19:00Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2015-12-18T07:23:14.266957Z", "ended": "2016-02-01T12:58:52.701313Z", "start_waiting": "2015-12-18T07:23:12.948461Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-15.png", "player_count": 10, "ranked": true }, { "id": 141291, "name": "19x19 Open League #138", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.9237426171958, "deviation": 70.6250922174681, "volatility": 0.06022005846422356 } }, "ranking": 21.113566356963826, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 76, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-06-28T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 5, "ranked": true }, { "id": 131695, "name": "9*9 #19 Group A", "director": { "id": 1381238, "username": "BuzzerBeater", "country": "030", "icon": "https://user-uploads.online-go.com/d34952ca0e76fd14a163c154f3b31475-64.png", "ratings": { "version": 5, "overall": { "rating": 2101.8919427682513, "deviation": 79.95953850086117, "volatility": 0.06093876331614466 } }, "ranking": 32.11356148723668, "professional": false, "ui_class": "" }, "description": "Finals Qualifying:<br />\n Top 3 in Group A<br />\n Top 2 in Group B<br />\n Top 1 in Group C<br />\n Top 1 in Group D<br />\n Top 2 in the previous round <br />", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 85333, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13682, "name": "9*9棋賽群", "summary": "A space for 9*9 tournaments!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 54, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-08-28T04:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2025-08-28T17:08:30.354011Z", "ended": "2025-10-21T12:56:05.799966Z", "start_waiting": "2025-08-28T17:08:29.672911Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 38675, "name": "1st Continental Go World Cup-Qualification Phase for Europa: Category 9-5k (Group 2)", "director": { "id": 539024, "username": "Mitsunari3", "country": "fr", "icon": "https://user-uploads.online-go.com/0e065c8eabe35d7324b6a055fa78ba57-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Hello <br>\nThis is the qualification phase for the European players who has a level between 9k and 5k.<br>\n(This is the group n°2. The winner of this group will play a final qualification phase against the winners of the other groups of the same category.)\n<br>\n<span style=\"color:red;\">REMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, French or german flag are considered as European flags).</p>\nHave fun :)", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 59520, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 172800, "max_time": 259200, "time_increment": 57600, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2514, "name": "Continental and World Go Cups Group", "summary": "You want to become World Champion or a Continental champion? Join us :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 527, "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png" }, "auto_start_on_max": true, "time_start": "2018-07-01T10:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2018-07-07T22:29:15.150645Z", "ended": "2019-02-28T09:51:44.197071Z", "start_waiting": "2018-07-07T22:29:10.381383Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png", "player_count": 10, "ranked": true }, { "id": 23824, "name": "Let's meet", "director": { "id": 310119, "username": "arnaudgo", "country": "fr", "icon": "https://user-uploads.online-go.com/abf6813a01ba350835b2e0610ee57fa1-64.png", "ratings": { "version": 5, "overall": { "rating": 1404.051142519962, "deviation": 64.51297870372596, "volatility": 0.05997722344564987 } }, "ranking": 22.773089007564597, "professional": false, "ui_class": "" }, "description": "Let's have fun, get known each other :-)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 8909, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2017-01-29T12:26:00Z", "players_start": 10, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 12, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-01-29T12:26:54.153240Z", "ended": "2019-04-04T20:27:16.753419Z", "start_waiting": "2017-01-29T12:26:53.891729Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 11, "ranked": true }, { "id": 49796, "name": "For Beginners Correspondence RR #7 Starts When Full (10 Players) or on Sunday", "director": { "id": 488500, "username": "Picard", "country": "un", "icon": "https://secure.gravatar.com/avatar/f1c34fa096a5d8ad30ce9febb7d4870e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1470.3231083618412, "deviation": 67.06113000039035, "volatility": 0.0599711398659376 } }, "ranking": 23.840777355800686, "professional": false, "ui_class": "" }, "description": "IF THERE ? MARK(Provisional rank) NEAR BY YOUR USERNAME YOU HAVE TO PLAY MORE RANKED GAMES ABOUT 10(TOTAL) TO GET RANKED AND THEN IF 20K-25K YOU CAN JOIN THIS TOURNAMENT\n\nLEARN TO PLAY GO https://online-go.com/learn-to-play-go\n\nThere is documentary about go SURROUNDING GAME, ALPHA GO and anime HIKARU NO GO\n\nTO JOIN OTHER TOURNAMENTS VISIT THE GROUP PAGE https://online-go.com/group/2946\n\nThere is lots of useful links https://online-go.com/group/25, //// https://online-go.com/group/2014\n\nThis is Round Robin means all games (number of players -1) begin Simultaneously maximum 9 games", "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": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2946, "name": "Final Frontier", "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png" }, "auto_start_on_max": false, "time_start": "2019-06-30T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2019-07-06T00:23:59.801285Z", "ended": "2019-07-31T14:16:32.320165Z", "start_waiting": "2019-07-06T00:23:55.187603Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png", "player_count": 10, "ranked": true }, { "id": 134635, "name": "19x19 Open League #110", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.9237426171958, "deviation": 70.6250922174681, "volatility": 0.06022005846422356 } }, "ranking": 21.113566356963826, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 76, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-11-30T22:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-30T10:16:20.399219Z", "ended": "2026-03-13T08:18:03.597682Z", "start_waiting": "2025-11-30T10:16:19.842508Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true } ] }
