List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1611
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59739,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1612",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1610",
    "results": [
        {
            "id": 89085,
            "name": "23/4 1 何家朗 2 張諾希",
            "director": {
                "id": 729080,
                "username": "樂 碁",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1376.5461424853938,
                        "deviation": 260.4210499451175,
                        "volatility": 0.059998813696822535
                    }
                },
                "ranking": 22.315085597176374,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "1 何家朗\n2 張諾希",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "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": "2022-04-23T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2022-04-23T08:42:38.208342Z",
            "ended": "2022-04-23T09:47:56.427123Z",
            "start_waiting": "2022-04-23T08:42:38.156346Z",
            "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": 112319,
            "name": "UofA for fun tournament",
            "director": {
                "id": 837486,
                "username": "JhonGo1",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/d7104293c7b4ddb921a82c8dca8238c2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1072.7156543915635,
                        "deviation": 60.944749233222694,
                        "volatility": 0.06008878018508378
                    }
                },
                "ranking": 16.541842786776062,
                "professional": false,
                "ui_class": ""
            },
            "description": "UofA for fun tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "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": 4922,
                "name": "Edmonton - University of Alberta",
                "summary": "A gathering space for people with connections to Edmonton or UAlberta, or any friendly people who like playing Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 83,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-09T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-09T21:00:39.328138Z",
            "ended": "2024-09-23T03:25:51.465220Z",
            "start_waiting": "2024-02-09T21:00:39.191272Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 111418,
            "name": "9*9 #6",
            "director": {
                "id": 1381238,
                "username": "BuzzerBeater",
                "country": "030",
                "icon": "https://user-uploads.online-go.com/d34952ca0e76fd14a163c154f3b31475-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1983.8768262426263,
                        "deviation": 82.16548269710917,
                        "volatility": 0.06092689811908881
                    }
                },
                "ranking": 30.775840105880786,
                "professional": false,
                "ui_class": ""
            },
            "description": "A game of 9*9",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13682,
                "name": "9*9棋賽群",
                "summary": "A space for 9*9 tournaments!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 33,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-23T11:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-23T11:00:13.842218Z",
            "ended": "2024-09-12T20:31:03.526245Z",
            "start_waiting": "2024-01-23T11:00:13.573027Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 112318,
            "name": "For fun tournament",
            "director": {
                "id": 837486,
                "username": "JhonGo1",
                "country": "co",
                "icon": "https://user-uploads.online-go.com/d7104293c7b4ddb921a82c8dca8238c2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1072.7156543915635,
                        "deviation": 60.944749233222694,
                        "volatility": 0.06008878018508378
                    }
                },
                "ranking": 16.541842786776062,
                "professional": false,
                "ui_class": ""
            },
            "description": "For fun tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "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": 6630,
                "name": "Go friends 🐬",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 359,
                "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-02-09T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-09T21:00:39.530571Z",
            "ended": "2024-10-08T22:21:23.453809Z",
            "start_waiting": "2024-02-09T21:00:39.339846Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 109702,
            "name": "世界友好棋赛",
            "director": {
                "id": 1131924,
                "username": "老鼠爱围棋",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/663eac2c6593165dae2711066790c5a4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1400.6793123797295,
                        "deviation": 66.4087265882463,
                        "volatility": 0.06009341567049296
                    }
                },
                "ranking": 22.71742739828948,
                "professional": false,
                "ui_class": ""
            },
            "description": "希望大家能多多参与!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "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": 11331,
                "name": "ヒカルの碁",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-01T12:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2023-12-01T12:00:32.317890Z",
            "ended": "2024-01-31T19:11:39.484819Z",
            "start_waiting": "2023-12-01T12:00:32.234993Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 18382,
            "name": "Correspondence 13x13 RoundRobin 2016-06-20 01:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 7,
                "name": "Correspondence 13x13 RoundRobin",
                "rrule": "DTSTART:20260522T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-05-22T19:00:16.590557Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-05-25T19:00:00Z",
                "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": "2016-06-20T01:00:23.967015Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-06-20T01:00:45.518070Z",
            "ended": "2016-09-29T16:43:23.059604Z",
            "start_waiting": "2016-06-20T01:00:44.305885Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 77273,
            "name": "Scrape IT v3",
            "director": {
                "id": 1003467,
                "username": "GJ4444",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c00999d0add89d41bb2bd37bde109ec8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1233.9058890974627,
                        "deviation": 69.34478558497867,
                        "volatility": 0.060022578864278434
                    }
                },
                "ranking": 19.782639754314864,
                "professional": false,
                "ui_class": ""
            },
            "description": "Scrape IT v3",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9152,
                "name": "Scrape IT Go Meeting",
                "summary": "Scrape IT Go Meeting",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/6aa0aa7db9a161e174c24b1a6cf5af54-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-09T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-09T11:06:19.045967Z",
            "ended": "2021-07-09T11:10:30.495519Z",
            "start_waiting": "2021-07-09T11:06:18.854940Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6aa0aa7db9a161e174c24b1a6cf5af54-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 68704,
            "name": "Yeah ogs",
            "director": {
                "id": 850139,
                "username": "sun496715",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d601c4501fe994fa566f35499b0dcdc0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1041.262430966302,
                        "deviation": 64.93880933439947,
                        "volatility": 0.060041655939086
                    }
                },
                "ranking": 15.852908624786158,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play Faster",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "blitz",
                "pause_on_weekends": false,
                "total_time": 90
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7559,
                "name": "Yeah ogs",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-08T02:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-08T02:00:08.042245Z",
            "ended": "2020-12-08T02:01:59.357181Z",
            "start_waiting": "2020-12-08T02:00:07.853464Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 67008,
            "name": "a tournament",
            "director": {
                "id": 829659,
                "username": "𝖌𝖔 𝖕𝖗𝖔66",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e5a663a5d87d9007b7179b50144d2ab0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1167.0164298604434,
                        "deviation": 62.927232736749325,
                        "volatility": 0.06069659635069306
                    }
                },
                "ranking": 18.49239242839643,
                "professional": false,
                "ui_class": ""
            },
            "description": "a fun 13x13 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8892,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-24T20:20:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-10-25T14:34:44.094918Z",
            "ended": "2020-10-25T15:00:21.629926Z",
            "start_waiting": "2020-10-25T14:34:43.723319Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 65909,
            "name": "Weekly Go Touranment",
            "director": {
                "id": 1518,
                "username": "NominRamen",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/b4da27f56e3fdccffacdb554da40c927-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1584.1537768995527,
                        "deviation": 74.58368459018618,
                        "volatility": 0.06003427807563159
                    }
                },
                "ranking": 25.567030996239616,
                "professional": false,
                "ui_class": ""
            },
            "description": "Not actually weekly",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6269,
                "name": "BeginnerGo",
                "summary": "Beginners welcome!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 238,
                "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-26T18:42:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-26T18:42:30.744121Z",
            "ended": "2020-09-26T18:44:04.253072Z",
            "start_waiting": "2020-09-26T18:42:30.439991Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}