Tournament List – Django REST framework

GET /api/v1/tournaments/?format=api&ordering=player_count&page=4329

HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 57654,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=4330",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=4328",
    "results": [
        {
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            "name": "Correspondence 19x19 RoundRobin 2024-11-28 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
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                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
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                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Site-wide Tournament",
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                "rrule": "DTSTART:20250905T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2025-09-05T19:00:15.661974Z",
                "lead_time_seconds": 86400,
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                "handicap": 0,
                "rules": "japanese",
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                "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",
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                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2025-09-08T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
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            "time_control_parameters": {
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                "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": "2024-11-28T19:00:29.953975Z",
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            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
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            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-28T19:01:30.423686Z",
            "ended": "2025-04-26T23:07:11.007423Z",
            "start_waiting": "2024-11-28T19:01:29.963529Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 9
        },
        {
            "id": 127823,
            "name": "Live 9x9 Double Elimination Tournament 2025-04-24 22:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                    }
                },
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                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Site-wide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20250905T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2025-09-05T18:00:15.461740Z",
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                "tournament_type": "double_elimination",
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                "rules": "japanese",
                "size": 9,
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                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
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                    "upper_bar": "20",
                    "lower_bar": "10",
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                    "maximum_players": 100
                },
                "next_run": "2025-09-05T22:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 41,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-04-24T22:30:16.387340Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
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            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-04-24T22:30:48.210720Z",
            "ended": "2025-04-25T13:05:23.371929Z",
            "start_waiting": "2025-04-24T22:30:48.090536Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 9
        },
        {
            "id": 127345,
            "name": "Correspondence 9x9 RoundRobin 2025-04-11 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
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                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Site-wide Tournament",
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                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2025-09-04T19:00:15.302795Z",
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                "tournament_type": "roundrobin",
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                "time_control_parameters": {
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                    "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": {
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                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2025-09-07T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
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            "time_control_parameters": {
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                "pause_on_weekends": true,
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                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-04-11T19:00:14.804963Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
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            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-11T19:01:15.108025Z",
            "ended": "2025-04-24T17:34:54.207271Z",
            "start_waiting": "2025-04-11T19:01:14.717293Z",
            "board_size": 9,
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            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
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        },
        {
            "id": 127808,
            "name": "Blitz 19x19 Elimination Tournament 2025-04-24 13:30",
            "director": {
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                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                },
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            "description": "Automatic Site-wide Tournament",
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                "created": "2014-12-20T06:06:42.010011Z",
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                },
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                    "maximum_players": 100
                },
                "next_run": "2025-09-06T01:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
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                "periods": 5
            },
            "is_open": true,
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            "auto_start_on_max": false,
            "time_start": "2025-04-24T13:30:16.348355Z",
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            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-04-24T13:31:16.422827Z",
            "ended": "2025-04-24T14:22:53.285566Z",
            "start_waiting": "2025-04-24T13:31:16.347905Z",
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            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
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        },
        {
            "id": 124989,
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            "director": {
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                "username": "абрикосик кoтик",
                "country": "kz",
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                },
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            },
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