List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=5613
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59381,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=time_per_move&page=5614",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=time_per_move&page=5612",
    "results": [
        {
            "id": 99679,
            "name": "9x9 Open D.E. Cup #65",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1374.7751237755672,
                        "deviation": 66.77688583915469,
                        "volatility": 0.06020222911924243
                    }
                },
                "ranking": 22.28528239731174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-12T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-09T23:37:44.045921Z",
            "ended": "2023-09-05T15:44:31.577194Z",
            "start_waiting": "2023-02-09T23:37:43.916281Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 134121,
            "name": "Correspondence 9x9 RoundRobin 2025-11-07 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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 Site-wide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-04-17T19:00:56.701536Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "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": "2026-04-20T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-11-07T19:00:32.511273Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-07T19:00:32.800024Z",
            "ended": "2025-12-17T16:19:51.686230Z",
            "start_waiting": "2025-11-07T19:00:32.664816Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 123523,
            "name": "πŸŽ„πŸŽ„πŸŽ„Ρ‚ΡƒΡ€Π½ΠΈΡ€ 9 Π½Π° 9 πŸŽ„πŸŽ„πŸŽ„",
            "director": {
                "id": 1679852,
                "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 455.94942443569244,
                        "deviation": 73.05424876127188,
                        "volatility": 0.06008889600126372
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8605,
                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2049,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-22T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-22T19:00:55.356873Z",
            "ended": "2024-12-24T12:19:04.807135Z",
            "start_waiting": "2024-12-22T19:00:55.332378Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 123510,
            "name": "πŸŽ„πŸŽ„πŸŽ„Ρ‚ΡƒΡ€Π½ΠΈΡ€ 9 Π½Π° 9 πŸŽ„πŸŽ„πŸŽ„",
            "director": {
                "id": 1679852,
                "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea",
                "country": "tr",
                "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 455.94942443569244,
                        "deviation": 73.05424876127188,
                        "volatility": 0.06008889600126372
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨πŸŽ„βœ¨",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8605,
                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2049,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-22T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-22T09:00:55.242768Z",
            "ended": "2024-12-24T15:06:23.324323Z",
            "start_waiting": "2024-12-22T09:00:55.213179Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 132192,
            "name": "9x9 Mini League 10k-25k #324",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1374.7751237755672,
                        "deviation": 66.77688583915469,
                        "volatility": 0.06020222911924243
                    }
                },
                "ranking": 22.28528239731174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-09-14T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-09-12T12:01:16.448728Z",
            "ended": "2025-09-25T17:25:10.144060Z",
            "start_waiting": "2025-09-12T12:01:16.247804Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 98647,
            "name": "9x9 Open D.E. Cup #58",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1374.7751237755672,
                        "deviation": 66.77688583915469,
                        "volatility": 0.06020222911924243
                    }
                },
                "ranking": 22.28528239731174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-15T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-11T14:54:26.175794Z",
            "ended": "2023-04-05T14:32:49.479792Z",
            "start_waiting": "2023-01-11T14:54:25.929219Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 134842,
            "name": "Bot Battle 25-11-28 9x9",
            "director": {
                "id": 1893795,
                "username": "Oroton",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/67647bf5276bf38fbe3a1c6bf86e6f58-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 544.3565427907431,
                        "deviation": 66.42726038215896,
                        "volatility": 0.061451695663741306
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Oroton Battles 9x9",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 95543,
            "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": 15897,
                "name": "Oroton Bot",
                "summary": "Give feedback and get support on the Oroton bot(s).",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/67647bf5276bf38fbe3a1c6bf86e6f58-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-28T23:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-11-28T22:43:04.791573Z",
            "ended": "2025-11-28T22:46:07.342723Z",
            "start_waiting": "2025-11-28T22:43:04.708303Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/67647bf5276bf38fbe3a1c6bf86e6f58-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 101729,
            "name": "Correspondence 9x9 RoundRobin 2023-04-01 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-04-17T19:00:56.701536Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "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": "2026-04-20T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2023-04-01T19:00:08.194086Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-01T19:00:11.385444Z",
            "ended": "2023-04-17T16:35:38.155640Z",
            "start_waiting": "2023-04-01T19:00:10.593168Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 125803,
            "name": "9x9 New Zealand Handicap League #13",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Handicap games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "nz",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 80,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-04-10T03:09:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-17T11:42:04.465487Z",
            "ended": "2025-09-09T15:36:14.372951Z",
            "start_waiting": "2025-07-17T11:42:02.911901Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 136045,
            "name": "9x9 Mini League 10k-25k #360",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1374.7751237755672,
                        "deviation": 66.77688583915469,
                        "volatility": 0.06020222911924243
                    }
                },
                "ranking": 22.28528239731174,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-11T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-08T19:47:50.063118Z",
            "ended": "2026-02-15T07:22:19.462983Z",
            "start_waiting": "2026-01-08T19:47:49.887560Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}