List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=14
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59889,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=15",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=13",
    "results": [
        {
            "id": 74764,
            "name": "Indeee",
            "director": {
                "id": 968373,
                "username": "heliosocras",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e8f02c664521de0cabe9375e8fa0ef81?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1008.0126639082288,
                        "deviation": 73.94867265808428,
                        "volatility": 0.06001341249176382
                    }
                },
                "ranking": 15.101618897725483,
                "professional": false,
                "ui_class": ""
            },
            "description": "Y\nGhh",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 8702,
                "name": "Imaginary Go Club",
                "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": "2021-05-05T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-05-05T17:32:24.353584Z",
            "ended": "2021-05-31T18:40:59.430021Z",
            "start_waiting": "2021-05-05T17:32:24.181065Z",
            "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": 37256,
            "name": "우리들만의 리그 1회",
            "director": {
                "id": 456986,
                "username": "powerwill",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/324426f6f8328f4a4f13a00d0381ce9c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2017.4997486619338,
                        "deviation": 64.28298687164519,
                        "volatility": 0.05990249050987459
                    }
                },
                "ranking": 31.164900700336645,
                "professional": false,
                "ui_class": ""
            },
            "description": "효원기우회 OB만의 리그를 만들었습니다.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2147,
                "name": "효원기우회OB",
                "summary": "",
                "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": "2018-05-16T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-05-16T08:00:32.559087Z",
            "ended": "2018-08-31T04:22:16.081493Z",
            "start_waiting": "2018-05-16T08:00:25.552104Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 42575,
            "name": "12 round endurance 19x19",
            "director": {
                "id": 467165,
                "username": "MummRa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1247.96548084978,
                        "deviation": 64.85752922715939,
                        "volatility": 0.06002061271498367
                    }
                },
                "ranking": 20.044928150690506,
                "professional": false,
                "ui_class": ""
            },
            "description": "Can you endure? 12 games ,months of playtime",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 26880,
            "time_control_parameters": {
                "total_time": 2419200,
                "time_control": "absolute",
                "speed": "correspondence",
                "system": "absolute",
                "pause_on_weekends": true
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2755,
                "name": "Crazy Board Room",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/9dfff41c7f58e04d222f37680950c48d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-02T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-01-02T13:00:20.937088Z",
            "ended": "2020-07-02T15:54:50.248030Z",
            "start_waiting": "2019-01-02T13:00:20.066229Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9dfff41c7f58e04d222f37680950c48d-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 72260,
            "name": "3月6日 謝汶熹VS傅泰元",
            "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": "3月6日 謝汶熹VS傅泰元",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "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": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6399,
                "name": "傳碁 B班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 53,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-03-06T06:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-03-06T05:12:26.007731Z",
            "ended": "2021-03-06T05:33:23.467861Z",
            "start_waiting": "2021-03-06T05:12:25.884202Z",
            "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": 116394,
            "name": "2024 Spring tourney",
            "director": {
                "id": 386153,
                "username": "theTick",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/9bd0d6c37860938293175de82147eb39-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1599.7642736599826,
                        "deviation": 62.665509394211476,
                        "volatility": 0.06000547581534435
                    }
                },
                "ranking": 25.79403802972745,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "New tournament with new rules.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 177587,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 172800,
                "initial_time": 604800,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12946,
                "name": "North Puget Sound Go Club",
                "summary": "Virtual clubhouse.\n\nWe also meet in person, find details at our main website https://baduk.club/club/npsgo",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/20ef4e9e3712fed275a3f3cd1d7474de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-05-27T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-05-28T17:42:53.523398Z",
            "ended": "2025-01-25T20:27:57.909143Z",
            "start_waiting": "2024-05-28T17:42:53.412854Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/20ef4e9e3712fed275a3f3cd1d7474de-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 135504,
            "name": "✨🎄 Go Magic New Year’s 9x9 Cup 🎄✨",
            "director": {
                "id": 901303,
                "username": "Muff0",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/e04175e5267b560bb2448bb1867a73e7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1743.4779377324542,
                        "deviation": 62.27641979697285,
                        "volatility": 0.05986035917016469
                    }
                },
                "ranking": 27.7855316793828,
                "professional": false,
                "ui_class": ""
            },
            "description": "🎆🎉A special rapid tournament to celebrate the end of the year with Go Magic!🎉🎆\n\nAll prizes are Go Magic Gift Cards\n\n🏆**Prizes:** \n\n1st Place: $300   \n2nd Place: $240  \n3rd Place: $180    \n  \n🏆 **Special Prizes** (mutually exclusive with winning):\n\n6 Wins: $100   \n5 Wins: $50   \n\n🎁 **Participation Prize: Everyone who finishes all 6 rounds will receive a 30$ discount card** (does not stack with our sales and other promos).\n\nAll you have to do is register and be here at the starting time! The next rounds will start as soon as all the games are finished.\n\nThe expected total duration is about 1.5h\n\n⌚ **The start time is shown in your local timezone!!**  \n**Absolute start time is:**   \n**Sunday, December 28, 2025 6:00 PM UTC**  \n[**Add to your Calendar**](https://calendar.google.com/calendar/render?action=TEMPLATE&dates=20251228T180000Z%2F20251228T193000Z&details=&location=&text=%E2%9C%A8%F0%9F%8E%84%20Go%20Magic%20New%20Year%E2%80%99s%209x9%20Cup%20%F0%9F%8E%84%E2%9C%A8)\n\n\n🪄✨ Learn Go the Magical way at <a href=\"https://go.gomagic.org/X4LK1U\" target=\"_blank\">Go Magic</a>",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8605,
                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2144,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-28T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-12-28T18:00:47.527211Z",
            "ended": "2025-12-28T19:51:51.863026Z",
            "start_waiting": "2025-12-28T18:00:43.336461Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 129,
            "ranked": false
        },
        {
            "id": 135382,
            "name": "Torneig Nadal",
            "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": "Torneig Nadal",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15986,
                "name": "2SMXB",
                "summary": "",
                "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": "2025-12-15T11:00:00Z",
            "players_start": 50,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-12-15T10:54:15.446742Z",
            "ended": "2025-12-15T11:47:12.499605Z",
            "start_waiting": "2025-12-15T10:54:15.161535Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": false
        },
        {
            "id": 108305,
            "name": "Lower School 13x13 October Tournament",
            "director": {
                "id": 204231,
                "username": "Duin",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/5aa764ab93c95913061ebff5402129d7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1185.1404717778014,
                        "deviation": 65.3757098612598,
                        "volatility": 0.06005298550667494
                    }
                },
                "ranking": 18.849154236175806,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Open to all Lower School go players. Just for fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 90782,
            "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": 12962,
                "name": "Abingdon School",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-18T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-10-18T12:00:35.934337Z",
            "ended": "2023-10-21T12:02:06.304598Z",
            "start_waiting": "2023-10-18T12:00:35.841867Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b749fdd8e51e6aad42c5bed1302a597e-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 77139,
            "name": "Fast Correspondence 2021-07-13",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1523.6905157613091,
                        "deviation": 61.871308506532216,
                        "volatility": 0.059736468741597874
                    }
                },
                "ranking": 24.66614858276941,
                "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": 823,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-13T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-13T00:00:56.160004Z",
            "ended": "2021-09-03T02:41:32.573006Z",
            "start_waiting": "2021-07-13T00:00:54.844468Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 77994,
            "name": "kanata-chinese-go-tournment",
            "director": {
                "id": 1016556,
                "username": "ychao1970",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/789c7f23e2a07155b52b177735ce657f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1198.7936609164742,
                        "deviation": 265.41424431932114,
                        "volatility": 0.06000384283818698
                    }
                },
                "ranking": 19.114324972274066,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "kanata-chinese-go-tournment",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9529,
                "name": "Kanata-Chinese-School-Go-Group",
                "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": "2021-07-25T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-28T07:55:29.703895Z",
            "ended": "2021-07-28T08:00:32.698739Z",
            "start_waiting": "2021-07-28T07:55:29.637061Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}