Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=945
{ "count": 60515, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=946", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=944", "results": [ { "id": 1833, "name": "rhubarb's tiny little tournament", "director": { "id": 535, "username": "rhubarb", "country": "_Northern_Ireland", "icon": "https://secure.gravatar.com/avatar/e72f00444b297c33407cc0ab7736395b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1312.3039046912145, "deviation": 63.33937658670379, "volatility": 0.05979010334951022 } }, "ranking": 21.208671436750105, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "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": true, "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": 387, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2012-05-21T21:03:20Z", "ended": "2012-05-21T19:03:20Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 135336, "name": "Live 9x9 Double Elimination Tournament 2025-12-14 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260806T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-06T02:00:16.745776Z", "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": "2026-08-06T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2025-12-14T10:30:25.566350Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-12-14T10:31:25.659665Z", "ended": "2025-12-14T11:17:01.607638Z", "start_waiting": "2025-12-14T10:31:25.563390Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 56306, "name": "3rd Atlanta 9x9 Fire: Group B", "director": { "id": 473434, "username": "DoubleSente", "country": "us", "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png", "ratings": { "version": 5, "overall": { "rating": 1891.386906647593, "deviation": 62.91280212348621, "volatility": 0.05998964037582742 } }, "ranking": 29.67060006447044, "professional": false, "ui_class": "" }, "description": "Top 3 move on to the next round!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 28800, "initial_time": 172800, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3777, "name": "Atlanta Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png" }, "auto_start_on_max": false, "time_start": "2020-02-07T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-02-06T15:28:22.534977Z", "ended": "2020-02-24T06:53:16.671490Z", "start_waiting": "2020-02-06T15:28:21.659443Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png", "player_count": 5, "ranked": true }, { "id": 51786, "name": "Fun 9x9 tournament", "director": { "id": 617642, "username": "Bradicalman", "country": "us", "icon": "https://secure.gravatar.com/avatar/e71480e22602f38ed73379dcf7a4e7ab?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1372.891111115056, "deviation": 65.06289501910707, "volatility": 0.059868230868953994 } }, "ranking": 22.25353552837094, "professional": false, "ui_class": "" }, "description": "A fun, relaxed tournament. Free for anyone to join. Invite lots of fun, so invite all your friends and have fun!", "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", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3372, "name": "Arkansas Go Club", "summary": "This is a club for all Go enthusiasts across the state.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 27, "icon": "https://user-uploads.online-go.com/3e81b8f1d3953628768e0cf9ba189603-64.png" }, "auto_start_on_max": false, "time_start": "2019-09-14T18:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2019-09-14T18:00:10.884932Z", "ended": "2020-03-22T22:21:38.999359Z", "start_waiting": "2019-09-14T18:00:09.228087Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/3e81b8f1d3953628768e0cf9ba189603-15.png", "player_count": 13, "ranked": true }, { "id": 137298, "name": "1. 5B-turnering", "director": { "id": 1513196, "username": "Razzuk", "country": "un", "icon": "https://user-uploads.online-go.com/6338f23f38adf05f83e4a04ef01bb543-64.png", "ratings": { "version": 5, "overall": { "rating": 1152.849175544529, "deviation": 63.605160673870294, "volatility": 0.06004487905676737 } }, "ranking": 18.209638105100744, "professional": false, "ui_class": "supporter" }, "description": "Turnering", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 180, "max_time": 900 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15714, "name": "5B med Mikael", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 30, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-02-12T09:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-02-12T08:37:21.443864Z", "ended": "2026-02-12T09:06:17.455932Z", "start_waiting": "2026-02-12T08:37:20.453715Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 21, "ranked": true }, { "id": 135822, "name": "Live 9x9 Double Elimination Tournament 2025-12-28 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260806T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-06T02:00:16.745776Z", "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": "2026-08-06T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2025-12-28T18:30:47.558165Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-12-28T18:31:43.412576Z", "ended": "2025-12-28T19:34:19.934375Z", "start_waiting": "2025-12-28T18:31:43.338146Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 81565, "name": "Live 9x9 Double Elimination Tournament 2021-10-21 06:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260806T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-06T02:00:16.745776Z", "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": "2026-08-06T06:00:00Z", "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": "2021-10-21T06:30:34.915112Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-10-21T06:30:36.296237Z", "ended": "2021-10-21T07:00:23.081009Z", "start_waiting": "2021-10-21T06:30:36.167801Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 105059, "name": "9x9 tournament 1-10k players only", "director": { "id": 1378085, "username": "sm2023", "country": "un", "icon": "https://secure.gravatar.com/avatar/a7cdf3bdf05b5c22b380685ecce51566?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1613.0953818731457, "deviation": 65.03628417802408, "volatility": 0.060173169235619134 } }, "ranking": 25.986151573018585, "professional": false, "ui_class": "" }, "description": "9x9 tournament 1-10k players only", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 270, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13375, "name": "9x9 1-10k tournament", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-07-06T18:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-15T05:59:50.175088Z", "ended": "2026-01-15T06:09:46.158635Z", "start_waiting": "2026-01-15T05:59:50.065247Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 693, "name": "Andreas' 21 mini-tournament", "director": { "id": 12608, "username": "Andreas", "country": "un", "icon": "https://secure.gravatar.com/avatar/9391313b744a480fccc4b2ffa6031575?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1708.106347149412, "deviation": 65.43808331330433, "volatility": 0.05994359485799847 } }, "ranking": 27.311035957117518, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "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": 387, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-02-16T12:55:54Z", "ended": "2009-02-16T11:55:54Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 136383, "name": "Live 9x9 Double Elimination Tournament 2026-01-15 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260806T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-06T02:00:16.745776Z", "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": "2026-08-06T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2026-01-15T10:30:50.148452Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-15T10:31:50.254561Z", "ended": "2026-01-15T11:06:12.317484Z", "start_waiting": "2026-01-15T10:31:50.148524Z", "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 } ] }
