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            "ended": "2023-05-20T04:27:35.511831Z",
            "start_waiting": "2023-05-20T03:43:33.908440Z",
            "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": 52313,
            "name": "9x9 Lovers 4th Round Robin",
            "director": {
                "id": 620746,
                "username": "9x9 Lover num.3524",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a993c9c1a006353ba6912cf5a4d762f4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
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                        "volatility": 0.059976129930831824
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                },
                "ranking": 25.80611229378819,
                "professional": false,
                "ui_class": ""
            },
            "description": "Another round robin style tournament for 9x9 lovers. These tournaments are pretty quick in that they usually take just about a month to complete.\n\nThe tournament is only open to 9x9 Lovers group members and it will start when full (10 players).\n\nSimple timing (Every time you play a move, your timer resets). \n\nNo pause on weekends. \n\nJapanese ruleset.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 686,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-10-04T10:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2019-09-25T09:02:20.948089Z",
            "ended": "2019-11-11T09:35:02.511334Z",
            "start_waiting": "2019-09-25T09:02:14.037314Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}