List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=description&page=5143
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60180,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=description&page=5144",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=description&page=5142",
    "results": [
        {
            "id": 122534,
            "name": "Dads Playing Go Merrily 2024",
            "director": {
                "id": 817493,
                "username": "nomad_fet",
                "country": "at",
                "icon": "https://secure.gravatar.com/avatar/1ef69b847f2150edf476ab32e88879dc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1602.75305440166,
                        "deviation": 82.87438412982597,
                        "volatility": 0.06001258766910021
                    }
                },
                "ranking": 25.83724797188839,
                "professional": false,
                "ui_class": ""
            },
            "description": "The next seasonal tournament for the Dads on a Map community",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6431,
                "name": "DoaM Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/e1ad7601cadbc4d24000859231332d0f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-08T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-12-08T10:00:12.110345Z",
            "ended": "2025-09-02T20:04:42.886968Z",
            "start_waiting": "2024-12-08T10:00:11.529466Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e1ad7601cadbc4d24000859231332d0f-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 109177,
            "name": "Dads Playing Go Merrily 2023",
            "director": {
                "id": 817493,
                "username": "nomad_fet",
                "country": "at",
                "icon": "https://secure.gravatar.com/avatar/1ef69b847f2150edf476ab32e88879dc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1602.75305440166,
                        "deviation": 82.87438412982597,
                        "volatility": 0.06001258766910021
                    }
                },
                "ranking": 25.83724797188839,
                "professional": false,
                "ui_class": ""
            },
            "description": "The next seasonal tournament for the Dads on a Map community",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6431,
                "name": "DoaM Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/e1ad7601cadbc4d24000859231332d0f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-11-26T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-11-26T22:00:55.468457Z",
            "ended": "2024-04-16T18:56:30.632241Z",
            "start_waiting": "2023-11-26T22:00:53.972754Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e1ad7601cadbc4d24000859231332d0f-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 30760,
            "name": "第一屆萬聖盃 ~ 地獄覺醒篇 ~ Night of Hellgowin [2017]",
            "director": {
                "id": 446365,
                "username": "ChessKitten",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/3cc33900adbcc0822869a26ef5a5e26a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "The night where all hell breaks lose. Win to survive.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18037,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-10-30T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 30,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-10-30T19:10:10.880053Z",
            "ended": "2021-07-25T22:49:43.557849Z",
            "start_waiting": "2017-10-30T19:10:06.996512Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 36,
            "ranked": true
        },
        {
            "id": 75757,
            "name": "Magic Battle Royale: Chief Magician Cup",
            "director": {
                "id": 915379,
                "username": "kseniia li",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e16287faf5ad0a4da6e2b291d3d15133?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1699.4970027296565,
                        "deviation": 64.39979527137034,
                        "volatility": 0.060020967648561
                    }
                },
                "ranking": 27.19405828869241,
                "professional": false,
                "ui_class": ""
            },
            "description": "The only one will go to the final ⚔️",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 44160,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 2174,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-03T18:00:00Z",
            "players_start": 20,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-03T18:00:22.668040Z",
            "ended": "2022-09-25T15:46:03.603074Z",
            "start_waiting": "2021-06-03T18:00:20.050908Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 58,
            "ranked": true
        },
        {
            "id": 2567,
            "name": "OGS Celebration! 9x9 Party 2! (30k-10k)",
            "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": "The party doesn't stop! This event will start at 20:00 UTC on October 20th, 2013. Each round is estimated to last 10-15 minutes. To confirm the start time in your local time zone, please visit http://tinyurl.com/l39z8qf . ",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 600,
                "max_time": 600,
                "time_increment": 30
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-10-20T20:00:39.000077Z",
            "ended": "2013-10-20T20:27:54.492966Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 86735,
            "name": "Super Auto Stones",
            "director": {
                "id": 787573,
                "username": "deleted-26e6f1ed-8545-46ae-af1c-c0c0416889b5",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/04683a00dd4d2ba79b5d1826ff62ee64?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 725.3586878393482,
                        "deviation": 71.21235288110906,
                        "volatility": 0.06000421172117128
                    }
                },
                "ranking": 7.483654472383618,
                "professional": false,
                "ui_class": ""
            },
            "description": "The playing pieces are called stones. One player uses the white stones and the other, black. The players take turns placing the stones on the vacant intersections (points) of a board.",
            "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": 5844,
                "name": "The Underground",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/9bd2489d7692687d8395ef0c94e4dbf5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-05T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-03-05T04:00:09.503749Z",
            "ended": "2022-04-19T04:50:02.564862Z",
            "start_waiting": "2022-03-05T04:00:09.386353Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9bd2489d7692687d8395ef0c94e4dbf5-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 3162,
            "name": "1m/move: Attempt II",
            "director": {
                "id": 43567,
                "username": "lemmata",
                "country": "im",
                "icon": "https://user-uploads.online-go.com/2f0c2512ce6c9c9dc2a8aef02b724505-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2457.728025532605,
                        "deviation": 71.8280977151649,
                        "volatility": 0.060009090348076735
                    }
                },
                "ranking": 35.734209728641055,
                "professional": false,
                "ui_class": ""
            },
            "description": "The previous attempt failed",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18037,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-09-06T21:15:00.767657Z",
            "ended": "2014-09-06T22:58:12.053605Z",
            "start_waiting": "2014-09-06T21:15:00.628669Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 29093,
            "name": "NM/>s2\\]^Z[2bULq",
            "director": {
                "id": 461062,
                "username": "4ee6eb1de2294c04",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f3d87a36c04a186816000b0cc6045b6d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 855.1128194166896,
                        "deviation": 86.06345096476642,
                        "volatility": 0.059979155383882286
                    }
                },
                "ranking": 11.293383726535195,
                "professional": false,
                "ui_class": ""
            },
            "description": "The primary objective of this group is to matchmake novice players against each other",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 222,
                "name": "Low-Rating 30k's",
                "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 280,
                "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-08-09T21:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-08-08T05:11:28.558814Z",
            "ended": "2017-10-31T08:43:49.409491Z",
            "start_waiting": "2017-08-08T05:11:25.085560Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 59567,
            "name": "Through the Years: Long Correspondence",
            "director": {
                "id": 308797,
                "username": "Lys",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/5ccab3d1d5a7f9e6ecef1437a840a10d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1480.1242761222386,
                        "deviation": 62.855544090083576,
                        "volatility": 0.059772711412511136
                    }
                },
                "ranking": 23.99458309351314,
                "professional": false,
                "ui_class": ""
            },
            "description": "The purpose of the tournament is playing long correspondence games that would allow us to bond with each other over the span of many years\n\nTime settings allow lengthy games, hopefully giving enough time to not accidentally time out\n\nTournament settings are similar to OGS Title Tournaments\n\n<a href=\"https://forums.online-go.com/t/through-the-years-long-correspondence/28068\">Discussion thread on forums</a>",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 631680,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5404,
                "name": "Through the Years: Long Correspondence (Group)",
                "summary": "Group dedicated to long correspondence tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 210,
                "icon": "https://user-uploads.online-go.com/2d35fbbad52e338c0715924db56c4b00-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-30T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-30T21:08:50.591844Z",
            "ended": null,
            "start_waiting": "2020-06-30T21:00:49.696042Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/2d35fbbad52e338c0715924db56c4b00-15.png",
            "player_count": 2233,
            "ranked": true
        },
        {
            "id": 20088,
            "name": "Tournament of group",
            "director": {
                "id": 51434,
                "username": "Fernando3000",
                "country": "br",
                "icon": "https://secure.gravatar.com/avatar/5b14e850b0a39a73be7226de68f17fd3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1102.3144372373315,
                        "deviation": 70.5417215520979,
                        "volatility": 0.06000075507720013
                    }
                },
                "ranking": 17.171952805306432,
                "professional": false,
                "ui_class": ""
            },
            "description": "The purpose of this tournament is just for fun and to promote interaction between group members, and increase number of members.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 51,
                "name": " baduk",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/de1ec4a7503ccfafe20c98ee81dffd01-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-08-30T02:30:00Z",
            "players_start": 6,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-08-29T02:30:31.635756Z",
            "ended": "2017-02-18T01:53:14.535225Z",
            "start_waiting": "2016-08-29T02:30:29.787835Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/de1ec4a7503ccfafe20c98ee81dffd01-15.png",
            "player_count": 17,
            "ranked": true
        }
    ]
}