List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5327
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58959,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5328",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5326",
    "results": [
        {
            "id": 101200,
            "name": "No Bot VS ........",
            "director": {
                "id": 1063780,
                "username": "ArPo XI",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/1a70f0eda1cd44c6986e10c87ff2fdf0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1583.4516435333264,
                        "deviation": 63.06101389574246,
                        "volatility": 0.06062013616126824
                    }
                },
                "ranking": 25.55676810958745,
                "professional": false,
                "ui_class": ""
            },
            "description": "Notting won",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10737,
                "name": "Go Players!!! 😃",
                "summary": "<h1> Have fun :) <h1>",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 99,
                "icon": "https://user-uploads.online-go.com/89d0a6b04a47b75ae4a14890520e2309-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-17T04:35:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-17T04:35:51.233311Z",
            "ended": "2023-03-17T05:04:02.721369Z",
            "start_waiting": "2023-03-17T04:35:51.145230Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/89d0a6b04a47b75ae4a14890520e2309-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 88531,
            "name": "Asıl turnuva",
            "director": {
                "id": 859896,
                "username": "eonat128",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/27cfeb5933ba10d5fba9d8d00c67b172?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1098.6366095728106,
                        "deviation": 67.40349070697731,
                        "volatility": 0.06002114377411236
                    }
                },
                "ranking": 17.094584624124717,
                "professional": false,
                "ui_class": ""
            },
            "description": "buna gelin",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 300,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11521,
                "name": "ACI Go Workshop",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/e6a7b74a55b2c711b8868ab6e298eceb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-10T18:25:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-04-10T18:25:29.897787Z",
            "ended": "2022-04-10T19:29:30.625375Z",
            "start_waiting": "2022-04-10T18:25:29.828806Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e6a7b74a55b2c711b8868ab6e298eceb-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 81010,
            "name": "noobs only",
            "director": {
                "id": 1062422,
                "username": "ahaha12",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/8963998a14b112e08e8e5dbd4c74137e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1286.8605853164127,
                        "deviation": 283.78718603465677,
                        "volatility": 0.060000090921091674
                    }
                },
                "ranking": 20.755424509919557,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "noobs only",
            "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": 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": 17848,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-06T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-06T08:53:40.409014Z",
            "ended": "2021-10-06T09:01:54.141429Z",
            "start_waiting": "2021-10-06T08:53:40.302561Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 97974,
            "name": "Correspondence 19x19 RoundRobin 2022-12-18 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20260313T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-03-13T19:00:11.215261Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 432000,
                    "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": "2026-03-16T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2022-12-18T19:00:40.905876Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-18T19:00:42.020649Z",
            "ended": "2023-09-15T10:07:58.526557Z",
            "start_waiting": "2022-12-18T19:00:41.753961Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 106902,
            "name": "Third tournament - Round Robin",
            "director": {
                "id": 1290047,
                "username": "TaroMan",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/0a1bf82f79b8cfa1ec48474db6a9488f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1074.5194898914124,
                        "deviation": 64.06811999242666,
                        "volatility": 0.05991128509978694
                    }
                },
                "ranking": 16.580738202358354,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "This will be round-robin style, so expect many games coming at once. Enjoy!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13496,
                "name": "Happy Beginners",
                "summary": "Good luck and have fun everyone :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-01T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 8,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-09-01T16:30:10.741673Z",
            "ended": "2023-09-19T03:39:18.694326Z",
            "start_waiting": "2023-09-01T16:30:10.655033Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 26012,
            "name": "İlk igoku internet go turnuvası",
            "director": {
                "id": 54877,
                "username": "igsNomad",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/8117a0351f6a880a1503de571b451082-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1782.6355577879071,
                        "deviation": 61.65762048972622,
                        "volatility": 0.06004789218350423
                    }
                },
                "ranking": 28.29971601967574,
                "professional": false,
                "ui_class": ""
            },
            "description": "Adı yeterince açıklayıcı değil mi?",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 345600,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1324,
                "name": "igoku",
                "summary": "İstanbul Teknik Üniversitesi Go Kulübü",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/d7da0effd05d4b27f45f8f4d53820e66-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-04-03T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2017-04-03T22:50:55.334956Z",
            "ended": "2017-05-03T18:22:31.112225Z",
            "start_waiting": "2017-04-03T22:50:55.004570Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d7da0effd05d4b27f45f8f4d53820e66-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72438,
            "name": "оспукешщпрь",
            "director": {
                "id": 915177,
                "username": "mr spock",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/7792d01be6cca86342e371e6cb1d9656-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 918.8354226709188,
                        "deviation": 66.00660520275014,
                        "volatility": 0.06001812456311965
                    }
                },
                "ranking": 12.95725780951296,
                "professional": false,
                "ui_class": ""
            },
            "description": "ерврпао млдьещкшгртесщ ш уцак 6нимтщзьумк оекзун соьйцу",
            "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": true,
            "group": {
                "id": 8382,
                "name": "Darkness Rises",
                "summary": "Darkness shall thrive",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/1bb6e438f22b30f38646f242ef9eebd4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-10T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 8,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-11T08:01:06.465758Z",
            "ended": "2021-04-20T17:38:54.681553Z",
            "start_waiting": "2021-03-11T08:01:06.313630Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1bb6e438f22b30f38646f242ef9eebd4-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 74251,
            "name": "22/4 比賽C",
            "director": {
                "id": 882228,
                "username": "傳碁學園-學校",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2016.3242760584894,
                        "deviation": 321.66454188869955,
                        "volatility": 0.06000670794039896
                    }
                },
                "ranking": 31.15140869306353,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "22/4 比賽C",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 15,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7434,
                "name": "石鐘山圍棋課",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 21,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-04-22T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-04-22T07:14:40.305888Z",
            "ended": "2021-04-22T07:33:46.493512Z",
            "start_waiting": "2021-04-22T07:14:40.209998Z",
            "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": 26933,
            "name": "Correspondence 9x9 RoundRobin 2017-05-08 01:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260312T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-03-12T19:00:10.512824Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "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": "2026-03-15T19:00:00Z",
                "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,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-05-08T01:00:43.858177Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-08T01:01:13.492519Z",
            "ended": "2017-05-22T19:04:53.605407Z",
            "start_waiting": "2017-05-08T01:01:12.435031Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 56390,
            "name": "Correspondence 19x19 RoundRobin 2020-02-08 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20260313T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-03-13T19:00:11.215261Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 432000,
                    "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": "2026-03-16T19:00:00Z",
                "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": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-02-08T19:00:15.024630Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-02-08T19:01:16.396970Z",
            "ended": "2020-04-18T15:11:10.201353Z",
            "start_waiting": "2020-02-08T19:01:12.475962Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}