List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4960
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59201,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4961",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4959",
    "results": [
        {
            "id": 124857,
            "name": "Live 19x19 Swiss Tournament 2025-01-29 20:30",
            "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:20260402T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-04-02T08:00:14.519388Z",
                "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": "2026-04-02T12:00:00Z",
                "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": "2025-01-29T20:30:22.843419Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-01-29T20:31:22.926722Z",
            "ended": "2025-01-29T21:33:26.299767Z",
            "start_waiting": "2025-01-29T20:31:22.856951Z",
            "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
        },
        {
            "id": 124203,
            "name": "Quick 19ร—19",
            "director": {
                "id": 1497408,
                "username": "Ming Ming",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0426093c662dcbaa2ed6ee379367fc28-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 808.4796202275077,
                        "deviation": 101.59414880347964,
                        "volatility": 0.06002207719886031
                    }
                },
                "ranking": 9.995179393337779,
                "professional": false,
                "ui_class": ""
            },
            "description": "<!DOCTYPE html> <html lang=\"en\"> <head> : <link rel=\"stylesheet\" type=\"text/css\"href=\"https://yewang.github.io/ProfileCSS/profile.css \"> <link rel=\"stylesheet\" type=\"text/css\" </head> </html><!DOCTYPE html> <html lang=\"en\"> <head> : <link rel=\"stylesheet\" type=\"text/css\" href=\"https://yewang.github.io/ProfileCSS/profile.css \"> <link rel=\"stylesheet\" type=\"text/css\" </head> </html>1",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 57,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 7200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13697,
                "name": "๐“ž๐“ท๐“ต๐“ฒ๐“ท๐“ฎ ๐“–๐“ธ ๐“ฃ๐“ธ๐“พ๐“ป๐“ท๐“ช๐“ถ๐“ฎ๐“ท๐“ฝ",
                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 103,
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-02-01T09:00:00Z",
            "players_start": 10,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-02-13T14:39:25.230203Z",
            "ended": "2025-02-13T23:57:43.438366Z",
            "start_waiting": "2025-02-13T14:39:25.001674Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 114209,
            "name": "Live 19x19 Swiss Tournament 2024-03-25 04:30",
            "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:20260402T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-04-02T08:00:14.519388Z",
                "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": "2026-04-02T12:00:00Z",
                "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": "2024-03-25T04:30:00.212565Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-03-25T04:31:00.361629Z",
            "ended": "2024-03-25T05:40:10.515711Z",
            "start_waiting": "2024-03-25T04:31:00.210295Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 123412,
            "name": "๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„New Year's Go tournament 9v9",
            "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": "๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„๐ŸŽ„",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1518,
                "name": "ะ“ะพ ะ“ัƒะฝั„ัƒ",
                "summary": "ะ“ัƒะฝั„ัƒ (ะผะฐัั‚ะตั€ัั‚ะฒะพ) - ะฝะฐะฒั‹ะบ, ะบะพั‚ะพั€ั‹ะน ั‚ั‹ ัะพะฒะตั€ัˆะตะฝัั‚ะฒัƒะตัˆัŒ ะฑะตัะบะพะฝะตั‡ะฝะพ ะดะพะปะณะพ ะธ ะฒัะตะณะดะฐ ะพัะพะทะฝะฐะฝะฝะพ. ะ ะตะณัƒะปัั€ะฝะฐั ะธ ะพัะพะทะฝะฐะฝะฝะฐั ะฝะฐั€ะฐะฑะพั‚ะบะฐ, ะฝะต ะฟะตั€ะตั…ะพะดั ะฝะฐ ะฐะฒั‚ะพะผะฐั‚ะธะทะผ.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 53,
                "icon": "https://user-uploads.online-go.com/7a2a4ad48a818573f808f11af277368b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-31T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-22T08:15:38.198681Z",
            "ended": "2025-02-24T22:58:05.490765Z",
            "start_waiting": "2024-12-22T08:15:38.105466Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7a2a4ad48a818573f808f11af277368b-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 16214,
            "name": "Blitz 13x13 Swiss Tournament 2016-04-01 03:30",
            "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 Sitewide Tournament",
            "schedule": {
                "id": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260402T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-04-02T07:00:14.488545Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "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": "2026-04-02T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2016-04-01T03:30:36.984315Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-04-01T03:30:38.607609Z",
            "ended": "2016-04-01T04:33:07.274373Z",
            "start_waiting": "2016-04-01T03:30:38.438660Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 16311,
            "name": "Blitz 13x13 Swiss Tournament 2016-04-04 15:30",
            "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 Sitewide Tournament",
            "schedule": {
                "id": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260402T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-04-02T07:00:14.488545Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "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": "2026-04-02T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2016-04-04T15:30:55.288329Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-04-04T15:30:57.176431Z",
            "ended": "2016-04-04T16:48:44.391554Z",
            "start_waiting": "2016-04-04T15:30:56.824673Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 1350,
            "name": "Logorfin's mini-tournament",
            "director": {
                "id": 12088,
                "username": "Logorfin",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/04c4b453d85db8898ba1f390f66978f4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1442.7000222168901,
                        "deviation": 64.93199026976866,
                        "volatility": 0.05982080986180064
                    }
                },
                "ranking": 23.401718972935306,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-04-19T22:28:11Z",
            "ended": "2011-04-19T20:28:11Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 134530,
            "name": "Blitz 13x13 Swiss Tournament 2025-11-19 15:30",
            "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": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260402T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-04-02T07:00:14.488545Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "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": "2026-04-02T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2025-11-19T15:30:07.440969Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-11-19T15:31:07.553575Z",
            "ended": "2025-11-19T16:30:22.235733Z",
            "start_waiting": "2025-11-19T15:31:07.435084Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 16307,
            "name": "Blitz 13x13 Swiss Tournament 2016-04-04 11:30",
            "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 Sitewide Tournament",
            "schedule": {
                "id": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260402T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-04-02T07:00:14.488545Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "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": "2026-04-02T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2016-04-04T11:30:43.915097Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-04-04T11:30:44.736782Z",
            "ended": "2016-04-04T12:10:16.876505Z",
            "start_waiting": "2016-04-04T11:30:44.631909Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 134821,
            "name": "Monday Morning 19x19 #75",
            "director": {
                "id": 1246361,
                "username": "katonal_edu",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1482.4218691165722,
                        "deviation": 66.99404105360328,
                        "volatility": 0.06001699194390396
                    }
                },
                "ranking": 24.030490914607018,
                "professional": false,
                "ui_class": ""
            },
            "description": "To have a good start of the week you need to join this 19x19 #75 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12889,
                "name": "Monday Morning",
                "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-05T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-05T09:00:21.827329Z",
            "ended": null,
            "start_waiting": "2026-01-05T09:00:21.660704Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
            "player_count": 16,
            "ranked": true
        }
    ]
}