GET

Tournament List

List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=rules&page=5503
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58833,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=rules&page=5504",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=rules&page=5502",
    "results": [
        {
            "id": 124939,
            "name": "Live 19x19 Swiss Tournament 2025-02-01 08:30",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260303T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-03-03T20:00:19.317392Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-03-04T00:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-02-01T08:30:23.215170Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-02-01T08:31:23.298361Z",
            "ended": "2025-02-01T10:09:01.911748Z",
            "start_waiting": "2025-02-01T08:31:23.215190Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 124941,
            "name": "Live 9x9 Double Elimination Tournament 2025-02-01 10:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260303T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-03T18:00:19.331712Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "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",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-03T22:00:00Z",
                "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": "2025-02-01T10:30:23.222799Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-02-01T10:31:23.298937Z",
            "ended": "2025-02-01T11:17:53.549388Z",
            "start_waiting": "2025-02-01T10:31:23.224429Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 7,
            "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": 1962,
                "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": 1962,
                "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": 130026,
            "name": "Servus Oida Handicap Tournament #14",
            "director": {
                "id": 1285178,
                "username": "VikingKoala",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.5706632986364,
                        "deviation": 63.47745822187002,
                        "volatility": 0.05970910787393316
                    }
                },
                "ranking": 16.102964968342178,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Handicap McMahon Kyu Player Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5720,
                "name": "Outside Go7",
                "summary": "Die Gruppe fΓΌr alle, die sonst im Go7 spielen.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-08-19T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 12,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-08-18T18:10:03.838088Z",
            "ended": null,
            "start_waiting": "2025-08-18T18:10:03.665224Z",
            "board_size": 19,
            "active_round": 3,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 130500,
            "name": "Live 19x19 Swiss Tournament 2025-07-15 16:31",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260303T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-03-03T20:00:19.317392Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-03-04T00:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-07-15T16:31:04.133937Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-07-15T16:31:55.115327Z",
            "ended": "2025-07-15T18:48:49.234060Z",
            "start_waiting": "2025-07-15T16:31:54.994762Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 136010,
            "name": "Live 9x9 Double Elimination Tournament 2026-01-03 14:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260303T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-03T18:00:19.331712Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "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",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-03T22:00:00Z",
                "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": "2026-01-03T14:30:46.533053Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-03T14:31:46.774285Z",
            "ended": "2026-01-03T15:16:14.508733Z",
            "start_waiting": "2026-01-03T14:31:46.540745Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 130578,
            "name": "13x13 Mini League 5k-15k #10",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.853799560171,
                        "deviation": 67.3768163524415,
                        "volatility": 0.060025167068784406
                    }
                },
                "ranking": 16.823651478136373,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-08-08T17:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 25,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-08-04T13:14:38.472182Z",
            "ended": "2025-12-16T12:21:14.872647Z",
            "start_waiting": "2025-08-04T13:14:38.261896Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 124660,
            "name": "Blitz 19x19 Elimination Tournament 2025-01-24 09:30",
            "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": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260303T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-03-03T21:00:19.455674Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-04T01:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-01-24T09:30:21.925872Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-01-24T09:30:26.860088Z",
            "ended": "2025-01-24T09:56:37.541505Z",
            "start_waiting": "2025-01-24T09:30:26.736946Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 130922,
            "name": "Live 19x19 Swiss Tournament 2025-07-29 12:30",
            "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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260303T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-03-03T20:00:19.317392Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-03-04T00:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-07-29T12:30:49.534111Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-07-29T12:34:49.641129Z",
            "ended": "2025-07-29T14:30:15.211372Z",
            "start_waiting": "2025-07-29T12:34:49.569055Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 6,
            "ranked": true
        }
    ]
}