Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-players_start&page=4059
{ "count": 60707, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=4060", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=4058", "results": [ { "id": 38643, "name": "Tournoi ouvert à tous McMahon simultanés", "director": { "id": 523479, "username": "IAMRA", "country": "fr", "icon": "https://user-uploads.online-go.com/445e52eae74410d6192b4d4c2e431bd8-64.png", "ratings": { "version": 5, "overall": { "rating": 1298.6975682356222, "deviation": 64.2983682844968, "volatility": 0.059911727755809954 } }, "ranking": 20.967392721640493, "professional": false, "ui_class": "" }, "description": "Correspondance semi rapide 3 jours max de temps + 10H par coups, Suspension les week end\nCommence le 10 Juillet\nEnjoy and have fun ! :)", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 38880, "time_control_parameters": { "system": "fischer", 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"https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png", "player_count": 12, "ranked": true }, { "id": 45172, "name": "Live 9x9 Double Elimination Tournament 2019-01-31 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:20260820T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-20T14:00:29.855551Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, 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"open", "started": "2019-01-31T06:30:06.684164Z", "ended": "2019-01-31T06:51:19.364213Z", "start_waiting": "2019-01-31T06:30:06.256590Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 35099, "name": "Class B Rapid", "director": { "id": 153455, "username": "El0m", "country": "gb", "icon": "https://user-uploads.online-go.com/018b099d6b5f111ad780b468738dc998-64.png", "ratings": { "version": 5, "overall": { "rating": 1295.7038814112566, "deviation": 70.83331711939027, "volatility": 0.0603648964543371 } }, "ranking": 20.913967003155264, "professional": false, "ui_class": "" }, "description": "A tournament for intermediate level players.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "aga", "time_per_move": 56640, "time_control_parameters": { "period_time": 1209600, "main_time": 1209600, "system": "canadian", "pause_on_weekends": true, "time_control": "canadian", "stones_per_period": 28, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1398, "name": "Ratio", "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": false, "time_start": "2018-04-01T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 30, "analysis_enabled": false, "exclusivity": "open", "started": "2018-04-01T08:00:34.807329Z", "ended": "2019-08-23T09:04:29.885683Z", "start_waiting": "2018-04-01T08:00:33.808897Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 23, "ranked": true }, { "id": 44317, "name": "January Michigan G.P.", "director": { "id": 467165, "username": "MummRa", "country": "us", "icon": "https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png", "ratings": { "version": 5, "overall": { "rating": 1260.4514790067904, "deviation": 65.48820329250682, "volatility": 0.060021236131789904 } }, "ranking": 20.27539481493184, "professional": false, "ui_class": "" }, "description": "Absolute play clock\n\nWinners of monthly tournaments will be invited to yearly championship game", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 26880, "time_control_parameters": { "total_time": 2419200, "time_control": "absolute", "speed": "correspondence", "system": "absolute", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": true, "group": { "id": 306, "name": "Michigan Go Players", "summary": "For Players from all over Michigan", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 89, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-01-14T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-01-14T12:00:18.805197Z", "ended": "2019-07-14T05:02:52.016719Z", "start_waiting": "2019-01-14T12:00:17.834686Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 45610, "name": "Live 9x9 Double Elimination Tournament 2019-02-13 14:30", "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:20260820T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-20T14:00:29.855551Z", "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": "2026-08-20T18:00:00Z", "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": "2019-02-13T14:30:52.855906Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-02-13T14:30:55.460654Z", "ended": "2019-02-13T15:29:40.024427Z", "start_waiting": "2019-02-13T14:30:55.067758Z", "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": 29755, "name": "kaga of the shogi club", "director": { "id": 463307, "username": "LucifereanBeast", "country": "us", "icon": "https://user-uploads.online-go.com/3070831dc79b7fa722827b15c8a548b2-64.png", "ratings": { "version": 5, "overall": { "rating": 1139.883069875404, "deviation": 77.85639850031227, "volatility": 0.059999300980126465 } }, "ranking": 17.94779458027206, "professional": false, "ui_class": "" }, "description": "another round lets do this", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 186240, "time_control_parameters": { "period_time": 172800, "main_time": 1209600, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 420, "name": "Hikaru no go club", "summary": "Sai is the way.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 773, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png" }, "auto_start_on_max": false, "time_start": "2017-09-13T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-09-13T23:00:02.866679Z", "ended": "2019-01-04T12:47:57.499187Z", "start_waiting": "2017-09-13T23:00:01.042173Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png", "player_count": 24, "ranked": true }, { "id": 44322, "name": "Live 9x9 Double Elimination Tournament 2019-01-04 14:30", "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 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"is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-01-04T14:30:35.506678Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-01-04T14:30:38.081466Z", "ended": "2019-01-04T15:33:57.149851Z", "start_waiting": "2019-01-04T14:30:37.565180Z", "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": 44327, "name": "Live 9x9 Double Elimination Tournament 2019-01-04 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, 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"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": "2019-01-04T18:30:57.554265Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-01-04T18:31:00.015346Z", "ended": "2019-01-04T18:59:15.823435Z", "start_waiting": "2019-01-04T18:30:59.268018Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 52999, "name": "Blitz 19x19 Elimination Tournament 2019-10-16 21:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { 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"maximum_players": 100 }, "next_run": "2026-08-20T17:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-10-16T21:30:18.893049Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-10-16T21:30:19.974970Z", "ended": "2019-10-16T21:57:57.132528Z", "start_waiting": "2019-10-16T21:30:19.559905Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 44615, "name": "DDK mid-January 9x9 challenge", "director": { "id": 600584, "username": "cleinias", 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Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8952, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2019-01-16T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2019-01-16T15:00:13.581142Z", "ended": "2019-02-06T17:57:45.847098Z", "start_waiting": "2019-01-16T15:00:13.235220Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 6, "ranked": true } ] }
