List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=started&page=6010
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60092,
    "next": null,
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=started&page=6009",
    "results": [
        {
            "id": 141716,
            "name": "Beginner tournaments",
            "director": {
                "id": 1945120,
                "username": "6ABC6G",
                "country": "hr",
                "icon": "https://user-uploads.online-go.com/e4fb40ee1aa6fb35538f0ac8db34256c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 658.7392550846337,
                        "deviation": 104.74089231821577,
                        "volatility": 0.060042771931901294
                    }
                },
                "ranking": 5.25341852838048,
                "professional": false,
                "ui_class": ""
            },
            "description": "tournament for starters unranked",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 10,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5648,
                "name": "  Velika Gorica Go",
                "summary": "Final list of participants is available on:\n\nhttps://docs.google.com/spreadsheets/d/1BwWfGn-d_thVhNRjTDYDSJWp9eaydY1kPPKlHe_FLZU/edit#gid=102059086 \n\n\n",
                "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": "2026-06-29T21:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 6,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": false
        },
        {
            "id": 141358,
            "name": "Quick DDK Round Robin Tournament",
            "director": {
                "id": 1872520,
                "username": "Azariah777",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/75cb2e65dc8717e56dc8f9fdb628c22c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1033.6671294722782,
                        "deviation": 64.76690839410806,
                        "volatility": 0.059962548020649604
                    }
                },
                "ranking": 15.683426230505317,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just trying out different settings for tournaments. Here's a round robin for DDKs",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17964,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 86400,
                "period_time": 172800,
                "stones_per_period": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16130,
                "name": "Life and Death",
                "summary": "A place for competition and learning….\nWe would all like to be a Dan player someday ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/9df35b5ae6dcbdcf38a33c5663414c33-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-06-29T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9df35b5ae6dcbdcf38a33c5663414c33-15.png",
            "player_count": 1,
            "ranked": true
        }
    ]
}