Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5247
{ "count": 59629, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5248", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5246", "results": [ { "id": 78047, "name": "9x9 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!", "director": { "id": 910029, "username": "yeong ha ko", "country": "fr", "icon": "https://user-uploads.online-go.com/0456aecb47ecd3a87457e7b4e1acc1a9-64.png", "ratings": { "version": 5, "overall": { "rating": 1732.4568994457843, "deviation": 71.3527930233796, "volatility": 0.06075833324406251 } }, "ranking": 27.638729220033547, "professional": false, "ui_class": "" }, "description": "to win", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 60, "periods": 2 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8304, "name": "club hikaru no go", "summary": "welcome all fan of Hikaru no go and on piece", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 115, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-09T09:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-09T09:30:03.489232Z", "ended": "2021-08-09T09:52:54.849809Z", "start_waiting": "2021-08-09T09:30:03.215685Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png", "player_count": 14, "ranked": true }, { "id": 106917, "name": "ALZ 2", "director": { "id": 371940, "username": "Fabertelli", "country": "br", "icon": "https://user-uploads.online-go.com/b2385f1a102acadea9a7fb7a49dc3d4d-64.png", "ratings": { "version": 5, "overall": { "rating": 1344.3952755434875, "deviation": 66.14559822399715, "volatility": 0.05977984401695895 } }, "ranking": 21.76797553666538, "professional": false, "ui_class": "" }, "description": "Treinamento", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 101638, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12474, "name": "Anna Lamberga", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 32, "icon": "https://user-uploads.online-go.com/38422ecae9f38f6103c0f90ab7828e76-64.png" }, "auto_start_on_max": false, "time_start": "2023-08-28T23:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "group", "started": "2023-08-28T23:00:32.338741Z", "ended": "2023-09-15T23:35:52.927141Z", "start_waiting": "2023-08-28T23:00:32.037533Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/38422ecae9f38f6103c0f90ab7828e76-15.png", "player_count": 7, "ranked": true }, { "id": 106904, "name": "1 -> 陳曦進 2 -> 黃穎兒Silvia", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "1 -> 陳曦進\n2 -> 黃穎兒Silvia", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1500, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-08-28T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-08-28T07:42:51.495395Z", "ended": "2023-08-28T08:22:51.011399Z", "start_waiting": "2023-08-28T07:42:51.436218Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 123541, "name": "9x9 New Zealand 25k-10k League #25", "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": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even games. Round robin.\n\nFor more tournaments and ladders 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": true, "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": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-07T04:09:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-05T10:27:24.300153Z", "ended": "2025-01-20T13:04:24.213866Z", "start_waiting": "2025-01-05T10:27:24.178219Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 71423, "name": "Tournament 1", "director": { "id": 931903, "username": "lonelywolf0101", "country": "ca", "icon": "https://secure.gravatar.com/avatar/d7b992ac928484698750384532703f9e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 955.3603337271437, "deviation": 64.81725690125045, "volatility": 0.06001569964656019 } }, "ranking": 13.859680897069099, "professional": false, "ui_class": "" }, "description": "Tournament 1", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 300, "max_time": 600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8354, "name": "Go and Math Online Association (GMOA)", "summary": "The place where Go and Math unite.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/a8bd905d15ffeb8d268a7daacfe0dd56-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-15T05:45:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-15T05:48:23.161829Z", "ended": "2021-02-15T06:08:37.320686Z", "start_waiting": "2021-02-15T05:48:22.930047Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/a8bd905d15ffeb8d268a7daacfe0dd56-15.png", "player_count": 3, "ranked": true }, { "id": 55756, "name": "ZESDER Chess & Go Tournament Serie 1th", "director": { "id": 680909, "username": "Naci Erdem", "country": "tr", "icon": "https://user-uploads.online-go.com/6905d6ea73c6f243a07e301d31650cef-64.png", "ratings": { "version": 5, "overall": { "rating": 756.8560448505139, "deviation": 71.08402662824182, "volatility": 0.06003015454350726 } }, "ranking": 8.467686792216096, "professional": false, "ui_class": "" }, "description": "ZESDER Go Tournament series ..", "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": 4356, "name": "ZESDER Chess & Go Clup - Balıkesir", "summary": "Chess and Go ..", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/10233cc1a62ea6ed371c588e10df3295-64.png" }, "auto_start_on_max": false, "time_start": "2020-01-20T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-20T16:24:18.845042Z", "ended": "2020-07-06T16:08:09.891530Z", "start_waiting": "2020-01-20T16:24:18.536949Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/10233cc1a62ea6ed371c588e10df3295-15.png", "player_count": 4, "ranked": true }, { "id": 138130, "name": "13x13 Mini League 5k-15k #35", "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": 59, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-03-13T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2026-03-12T16:34:38.174835Z", "ended": "2026-04-22T14:17:45.374045Z", "start_waiting": "2026-03-12T16:34:37.943907Z", "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": 56030, "name": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1280.802005697847, "deviation": 62.59630126202379, "volatility": 0.059567801483343036 } }, "ranking": 20.64617621619375, "professional": false, "ui_class": "supporter" }, "description": "Reddit Round Robin Handicap Correspondence 6 Kyu - 6 Dan", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2282, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": true, "time_start": "2020-02-02T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 24, "max_ranking": 35, "analysis_enabled": true, "exclusivity": "open", "started": "2020-02-04T12:46:49.217334Z", "ended": "2020-05-15T01:51:53.729865Z", "start_waiting": "2020-02-04T12:46:48.282543Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 4, "ranked": true }, { "id": 14940, "name": "Correspondence 13x13 RoundRobin 2016-02-15 01:00", "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 Sitewide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260510T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-10T19:00:49.863592Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-05-13T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-02-15T01:00:02.864208Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-02-15T01:00:22.496252Z", "ended": "2016-04-18T16:20:12.755797Z", "start_waiting": "2016-02-15T01:00:21.699824Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 71146, "name": "Anson", "director": { "id": 925468, "username": "P3D30", "country": "un", "icon": "https://secure.gravatar.com/avatar/184f834bf8f9962026dc14aa599310b2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1390.1056083581561, "deviation": 112.77954533230287, "volatility": 0.06000234431541851 } }, "ranking": 22.54200548199314, "professional": false, "ui_class": "" }, "description": "Jdjjjdjhedjedheuedhueuhd", "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": 8274, "name": "Hiiiiiiiii", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-02-08T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-08T16:30:40.627218Z", "ended": "2021-05-03T12:15:20.637925Z", "start_waiting": "2021-02-08T16:30:40.514027Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
