List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=started&page=5920
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59193,
    "next": null,
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=started&page=5919",
    "results": [
        {
            "id": 138762,
            "name": "CHEERFUL GO #130 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1885.506745511345,
                        "deviation": 73.56871213781416,
                        "volatility": 0.059839915821872806
                    }
                },
                "ranking": 29.598516573207675,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 70,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-02T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 136750,
            "name": "New bro",
            "director": {
                "id": 1546177,
                "username": "Arctic fox 利易",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/10c8964614ad38e972b8d673499d8bd1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1075.3000462756763,
                        "deviation": 69.25128773367975,
                        "volatility": 0.06021976983089899
                    }
                },
                "ranking": 16.5975488050957,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi I’m making a new competition again",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 2419200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14201,
                "name": "Marblefox969",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-02T03:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 138277,
            "name": "100 Members Celebration 19×19 Quick Tournament",
            "director": {
                "id": 1840851,
                "username": "𝕮𝖍𝖊𝖘𝖘𝕸𝖆𝖘𝖙𝖊𝖗𝕭𝖎𝖗𝖉",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/322c264edc900cf4d72987ebcd1be5c7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1021.3572834788055,
                        "deviation": 90.15930747459208,
                        "volatility": 0.06001623241619224
                    }
                },
                "ranking": 15.40608028614532,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's celebrate for 100 members!\n\n<!DOCTYPE html> <html lang=\"en\"> <head> <link rel=\"stylesheet\" type=\"text/css\" href=\"https://yewang.github.io/ProfileCSS/profile.css \"> <link rel=\"stylesheet\" type=\"text/css\" </head>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 114,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 14400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13697,
                "name": "𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽",
                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 102,
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-01T04:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png",
            "player_count": 3,
            "ranked": true
        }
    ]
}