List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5908
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60383,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5909",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5907",
    "results": [
        {
            "id": 114596,
            "name": "9x9 ტურნირი",
            "director": {
                "id": 1214291,
                "username": "zaurodisharia",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/71bf1bbf1d7e8d3af272717e29df91ec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1181.5693709140248,
                        "deviation": 63.677338663196,
                        "volatility": 0.060003762478435176
                    }
                },
                "ranking": 18.77929265344566,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 ტურნირი პარასკევობით 22:00 საათზე",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 9,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "blitz",
                "pause_on_weekends": false,
                "time_increment": 3,
                "initial_time": 180,
                "max_time": 180
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 269,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-05T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-04-05T18:00:43.970325Z",
            "ended": "2024-04-05T18:37:28.797348Z",
            "start_waiting": "2024-04-05T18:00:43.816386Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 87622,
            "name": "April 2022 Belgium Clash Of The Titans - instant death correspondence",
            "director": {
                "id": 875510,
                "username": "guillaume.de.keijser",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/574ad031c8c0efef8a2b384ddb84419c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1790.397175818973,
                        "deviation": 61.90076831934003,
                        "volatility": 0.059781489040398456
                    }
                },
                "ranking": 28.40029261857237,
                "professional": false,
                "ui_class": ""
            },
            "description": "This competition is to determine who can call themselves the Belgium Correspondence King!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8953,
                "name": "Belgium OGS Correspondance Foes!",
                "summary": "I'm organising Correspondance Competitions for all Belgium People i've played against on OGS - Do you want to play?  ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-01T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-01T12:00:10.522872Z",
            "ended": "2022-09-19T19:33:47.666664Z",
            "start_waiting": "2022-04-01T12:00:10.444898Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 116435,
            "name": "Potato War 1",
            "director": {
                "id": 1566979,
                "username": "deleted-1afff838-2fb5-4076-9f50-eed2f1c3e010",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/4910280fa15173fbd5ba4debac694b9d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1804.967023317034,
                        "deviation": 62.75159044446885,
                        "volatility": 0.06006257070626281
                    }
                },
                "ranking": 28.587919683451016,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament reminds me of Technoblade getting 5,000,000 potatos on live stream! I couldn't believe that was three years ago!\n\nRules would be Japanese, time setting 1 day 12 hours per move, and no handicaps. Any level player can join!\n\nTournament starts 06/01/2024 10 EST :)\n\n*In order to join this tournament, you would have to join this group first. Its a really good idea, and you can always unjoin later.*",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 129600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 129600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14324,
                "name": "TechnobladeSMP",
                "summary": "Technoblade never dies in vain. Join this group to honor him as a whole.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 110,
                "icon": "https://user-uploads.online-go.com/a3ee0e9a7be816955d13897b5f517524-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-06-02T02:00:00Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-06-02T02:00:54.587398Z",
            "ended": "2025-04-01T21:49:46.192708Z",
            "start_waiting": "2024-06-02T02:00:54.367317Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a3ee0e9a7be816955d13897b5f517524-15.png",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 82290,
            "name": "9x9 Double Elimination - January 2022",
            "director": {
                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1012.0554496406809,
                        "deviation": 84.91308607572303,
                        "volatility": 0.076882078105041
                    }
                },
                "ranking": 15.194279748149173,
                "professional": false,
                "ui_class": ""
            },
            "description": "Everyone is welcome",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 363,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-31T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-31T23:00:11.214914Z",
            "ended": "2022-09-20T12:35:13.554607Z",
            "start_waiting": "2021-12-31T23:00:10.894357Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 114919,
            "name": "Foxes 969",
            "director": {
                "id": 1369671,
                "username": "s2018046",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/a2b98ea5517f787f633e744cebad344c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1306.8411548962079,
                        "deviation": 71.83845748023253,
                        "volatility": 0.06004835870268455
                    }
                },
                "ranking": 21.112103405385184,
                "professional": false,
                "ui_class": ""
            },
            "description": "If you don’t have enough time,there’s no problem at this competition because it has so much time",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1209600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14201,
                "name": "~沐火~",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-05-31T06:00:00Z",
            "players_start": 0,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-31T06:00:54.083672Z",
            "ended": null,
            "start_waiting": "2024-05-31T06:00:53.971476Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 123166,
            "name": "Torneo clausura",
            "director": {
                "id": 1096827,
                "username": "rusben",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2d5b3343c617b01accde2daf1bde3854?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1732.2318898313797,
                        "deviation": 80.60963625664145,
                        "volatility": 0.06007908216243982
                    }
                },
                "ranking": 27.635722327987764,
                "professional": false,
                "ui_class": ""
            },
            "description": "Puig Castellar Power",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 360,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14861,
                "name": "SMX1B",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-12T11:25:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-12T11:22:55.501570Z",
            "ended": "2024-12-12T11:43:05.630909Z",
            "start_waiting": "2024-12-12T11:22:55.160422Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 59037,
            "name": "BTS League A5",
            "director": {
                "id": 754028,
                "username": "Thor631",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/d0cac897403b92592f6134f4a0bc4831?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500.0,
                        "deviation": 350.0,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "For Dan",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 56,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2400,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4889,
                "name": "BTS Online League",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/5a7332d2f57995981a77a1282a4f60fb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-15T03:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-15T02:51:57.942114Z",
            "ended": "2020-04-15T04:15:24.365297Z",
            "start_waiting": "2020-04-15T02:51:56.747317Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5a7332d2f57995981a77a1282a4f60fb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 72194,
            "name": "K2 partidas",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 742.6556598508159,
                        "deviation": 67.77077305143554,
                        "volatility": 0.06060159640981342
                    }
                },
                "ranking": 8.029212401580375,
                "professional": false,
                "ui_class": ""
            },
            "description": "partidas de go",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 61,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 2400,
                "period_time": 35,
                "periods": 4
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-04T15:21:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-03-04T15:21:54.484367Z",
            "ended": "2021-03-04T15:54:00.940954Z",
            "start_waiting": "2021-03-04T15:21:54.301309Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 95192,
            "name": "1-10 李張樂 VS 邱卓楠",
            "director": {
                "id": 1165599,
                "username": "hkgeachak",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/41042e06335c10f8b076b6a13f396c0a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1016.8224467285002,
                        "deviation": 97.43080887730794,
                        "volatility": 0.059989784647241695
                    }
                },
                "ranking": 15.30306518649848,
                "professional": false,
                "ui_class": ""
            },
            "description": "1-10 李張樂 VS 邱卓楠",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1200,
                "period_time": 10,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12123,
                "name": "HKGEA A班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2022-10-01T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-10-01T10:13:13.739521Z",
            "ended": "2022-10-10T07:18:08.521964Z",
            "start_waiting": "2022-10-01T10:13:13.654987Z",
            "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": 135157,
            "name": "Handicap Arena 2025 - 101",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1067.2510234805968,
                        "deviation": 64.32156395910552,
                        "volatility": 0.06007064691711697
                    }
                },
                "ranking": 16.423610590101003,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 108,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-14T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-14T08:28:54.412208Z",
            "ended": "2026-04-05T19:04:39.740903Z",
            "start_waiting": "2025-12-14T08:28:53.755319Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}