Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=3691
{ "count": 59311, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3692", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3690", "results": [ { "id": 80093, "name": "Czech Republic Tournament", "director": { "id": 109488, "username": "DVbS78rkR7NVe", "country": "un", "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2026.1476299885521, "deviation": 66.05609734432652, "volatility": 0.059874270189468615 } }, "ranking": 31.26391960044579, "professional": false, "ui_class": "" }, "description": "Join the group for more cat tournaments ^__^", "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": 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80332, "name": "ogs ogs", "director": { "id": 1013920, "username": "s10906218", "country": "un", "icon": "https://secure.gravatar.com/avatar/0e3dce43b65bb1bef00fe3217f6a95df?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2247.143281368795, "deviation": 74.5344045044762, "volatility": 0.06008637675611215 } }, "ranking": 33.66048829934749, "professional": false, "ui_class": "" }, "description": "ogs ogs", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 36960, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 36000, "initial_time": 86400, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 45, "name": "MGA: Massachusetts Go Association", "summary": "Massachusetts Go Association - All are welcome at our Virtual Go Center on Zoom, Tuesday 7 pm, see our group page for details.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 606, "icon": "https://user-uploads.online-go.com/9729ab7b76293fa346f795dbad697c61-64.png" }, "auto_start_on_max": true, "time_start": "2021-10-01T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-10-01T09:00:34.770428Z", "ended": "2022-01-04T08:38:26.269646Z", "start_waiting": "2021-10-01T09:00:34.504446Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9729ab7b76293fa346f795dbad697c61-15.png", "player_count": 5, "ranked": true }, { "id": 84523, "name": "Live 9x9 Double Elimination Tournament 2022-01-05 22:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260206T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-06T22:00:49.694878Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-02-07T02:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-01-05T22:30:08.668516Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-05T22:30:10.044883Z", "ended": "2022-01-05T23:22:52.946006Z", "start_waiting": "2022-01-05T22:30:09.925320Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 84526, "name": "Sinnombre", "director": { "id": 697840, "username": "miss.belgrade", "country": "mx", "icon": "https://user-uploads.online-go.com/738f625cba2e5c79907c043c6227aa54-64.png", "ratings": { "version": 5, "overall": { "rating": 818.8827432430293, "deviation": 69.91989116248705, "volatility": 0.06002482922023145 } }, "ranking": 10.291162124521952, "professional": false, "ui_class": "" }, "description": "No hay maestro Sid :(\n\nPROHIBIDO EL PASO A TODA PERSONA QUE NO SEA DE ESTE GRUPO\nEN ESE CASO SERÁ EXPULSADO", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 15, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4841, "name": "PIPIOLO GO 2022🏆", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 215, "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-06T00:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 24, "max_ranking": 5, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-05T23:23:08.852787Z", "ended": "2022-01-06T00:17:30.955821Z", "start_waiting": "2022-01-05T23:23:08.767505Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png", "player_count": 5, "ranked": true }, { "id": 83369, "name": "9x9 Mini League 1k-9k #2", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { 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Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10752", "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", "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": 691, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2021-12-12T21:15:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-12T17:39:41.555291Z", "ended": "2022-01-06T17:43:47.402200Z", "start_waiting": "2021-12-12T17:39:41.322537Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 80408, "name": "Round Robin with auto handicaps 9x9", "director": { "id": 1032638, "username": "amateurplaying", "country": "un", "icon": "https://user-uploads.online-go.com/a3ac11034dd78011f72aee0c3ea9de6c-64.png", "ratings": { "version": 5, "overall": { "rating": 1158.9125831713936, "deviation": 65.38092199194944, "volatility": 0.05998366584684001 } }, "ranking": 18.331076404626156, "professional": false, "ui_class": "" }, "description": "Round Robin 9x9 long correspondence games with automatic handicaps", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 631680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9945, "name": "Unusual boards", "summary": "Group for those who love playing on unusual boards like 10x10, 2x25, 7x14 and so on...", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-09-29T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-29T08:00:29.427098Z", "ended": "2022-01-07T10:26:54.127331Z", "start_waiting": "2021-09-29T08:00:29.090084Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 84588, "name": "Live 9x9 Double Elimination Tournament 2022-01-07 10:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260206T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-06T22:00:49.694878Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-02-07T02:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-01-07T10:30:32.885731Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-07T10:30:34.362839Z", "ended": "2022-01-07T11:22:26.414512Z", "start_waiting": "2022-01-07T10:30:34.256444Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true } ] }
