List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-ended&page=2104
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60952,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=2105",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=2103",
    "results": [
        {
            "id": 94448,
            "name": "陳琛悠 蔡仲文",
            "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": "陳琛悠\n蔡仲文",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "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": "2022-09-10T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-09-10T03:43:54.420494Z",
            "ended": "2022-09-10T04:13:13.644243Z",
            "start_waiting": "2022-09-10T03:43:54.288145Z",
            "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": 92538,
            "name": "9x9 Traditional monthly tournament VIII/22",
            "director": {
                "id": 598257,
                "username": "Lukyn",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1080.5380835527837,
                        "deviation": 66.56658880710675,
                        "volatility": 0.059971217603271745
                    }
                },
                "ranking": 16.71004408004802,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "☸️ Have ZEN!🧘",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-07-31T23:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-07-31T23:00:58.364491Z",
            "ended": "2022-09-10T03:17:13.626210Z",
            "start_waiting": "2022-07-31T23:00:58.030589Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 94344,
            "name": "JORNADA 1 DE ENTRENAMIENTO DE GO AVANZADO EN KANIK",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 951.8668197689683,
                        "deviation": 60.5039301079397,
                        "volatility": 0.05972626501326138
                    }
                },
                "ranking": 13.774871975977053,
                "professional": false,
                "ui_class": ""
            },
            "description": "Retomamos los entrenamientos de go, rumbo a al Campeonato Avanzado de Go Kanik.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 480,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-10T01:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2022-09-10T01:35:49.899136Z",
            "ended": "2022-09-10T02:30:32.114943Z",
            "start_waiting": "2022-09-10T01:35:49.803044Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 94156,
            "name": "MGO tournament",
            "director": {
                "id": 1136031,
                "username": "gogowin11",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1e699c68a6db4a4af533418bfcccab4d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 996.3409268949929,
                        "deviation": 60.55920440659994,
                        "volatility": 0.05987209706792514
                    }
                },
                "ranking": 14.832002032429328,
                "professional": false,
                "ui_class": ""
            },
            "description": "Beginner tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 12,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1110,
                "name": "Moldova Rep.",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-10T01:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 18,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-10T01:00:48.593733Z",
            "ended": "2022-09-10T01:26:00.221968Z",
            "start_waiting": "2022-09-10T01:00:48.492954Z",
            "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": 94310,
            "name": "2ª ETAPA - ESTUDANTES - V CIRCUITO ONLINE",
            "director": {
                "id": 1130720,
                "username": "MarcosEvangelistaBorghi",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/d63c10c287e15735866c9f324ba80b13?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 796.1770423720264,
                        "deviation": 100.40408891273815,
                        "volatility": 0.05999818810832534
                    }
                },
                "ranking": 9.640199708970378,
                "professional": false,
                "ui_class": ""
            },
            "description": "Evento voltado aos estudantes e educadores da Rede Municipal de Ensino da cidade de São Paulo.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6411,
                "name": "CIRCUITO ONLINE SME-SP",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 479,
                "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-09T22:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-09-09T22:30:43.082113Z",
            "ended": "2022-09-09T23:37:00.243802Z",
            "start_waiting": "2022-09-09T22:30:42.923500Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 94309,
            "name": "2ª ETAPA - PROFESSORES - V Circuito Online",
            "director": {
                "id": 1130720,
                "username": "MarcosEvangelistaBorghi",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/d63c10c287e15735866c9f324ba80b13?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 796.1770423720264,
                        "deviation": 100.40408891273815,
                        "volatility": 0.05999818810832534
                    }
                },
                "ranking": 9.640199708970378,
                "professional": false,
                "ui_class": ""
            },
            "description": "Evento voltado aos estudantes e educadores da Rede Municipal de Ensino da cidade de São Paulo.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6411,
                "name": "CIRCUITO ONLINE SME-SP",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 479,
                "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-09T22:35:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-09-09T22:35:43.559619Z",
            "ended": "2022-09-09T23:23:06.950473Z",
            "start_waiting": "2022-09-09T22:35:43.140448Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 92679,
            "name": "Fast Correspondence 2022-08-04",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.8341986334494,
                        "deviation": 62.44546334826878,
                        "volatility": 0.05974674944331501
                    }
                },
                "ranking": 25.43043733747297,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 831,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-08-04T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-04T00:00:46.620629Z",
            "ended": "2022-09-09T22:20:26.209033Z",
            "start_waiting": "2022-08-04T00:00:46.055170Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 93728,
            "name": "Correspondence 13x13 RoundRobin 2022-08-21 19:00",
            "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:20260904T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-09-04T19:00:33.337379Z",
                "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": "2026-09-07T19:00:00Z",
                "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,
                "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": "2022-08-21T19:00:08.772211Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-21T19:00:11.536421Z",
            "ended": "2022-09-09T20:44:50.744596Z",
            "start_waiting": "2022-08-21T19:00:11.280101Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 41696,
            "name": "New Year Tournament",
            "director": {
                "id": 348886,
                "username": "nicodaisuki",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1724.605004636006,
                        "deviation": 65.88111689435804,
                        "volatility": 0.06003268569255853
                    }
                },
                "ranking": 27.533569588846934,
                "professional": false,
                "ui_class": ""
            },
            "description": "Taiwan is a country!!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 2419200,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1144,
                "name": "Taiwanese",
                "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 183,
                "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-01T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-01-01T08:00:49.874452Z",
            "ended": "2022-09-09T19:28:51.603779Z",
            "start_waiting": "2019-01-01T08:00:48.478439Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 94436,
            "name": "Live 9x9 Double Elimination Tournament 2022-09-09 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 Sitewide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260907T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-09-07T06:00:33.164028Z",
                "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": "2026-09-07T10:00:00Z",
                "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": "2022-09-09T18:30:32.848520Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-09T18:30:34.139173Z",
            "ended": "2022-09-09T19:13:12.198365Z",
            "start_waiting": "2022-09-09T18:30:33.983806Z",
            "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
        }
    ]
}