List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=board_size&page=8
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59431,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=9",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=7",
    "results": [
        {
            "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": 124855,
            "name": "9x9 New Zealand 25k-10k League #29",
            "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": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even 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": 0,
            "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": true,
            "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": 81,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-03-18T03:09:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-17T04:35:31.098286Z",
            "ended": "2025-04-06T17:09:37.360522Z",
            "start_waiting": "2025-03-17T04:35:30.959524Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 51433,
            "name": "Correspondence 9x9 RoundRobin 2019-08-26 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:20260219T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-02-19T19:00:16.775082Z",
                "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": "2026-02-22T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": "2019-08-26T19:00:48.356245Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-08-26T19:01:38.024902Z",
            "ended": "2019-09-02T19:26:21.606265Z",
            "start_waiting": "2019-08-26T19:01:37.323359Z",
            "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": 110025,
            "name": "9*9 turnir",
            "director": {
                "id": 678723,
                "username": "kussbas",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/a05bce726085c9986e27e83f6a369394-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1232.4359862521858,
                        "deviation": 67.78015410841112,
                        "volatility": 0.0603625458977511
                    }
                },
                "ranking": 19.75504564399529,
                "professional": false,
                "ui_class": ""
            },
            "description": "trial",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 51,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13599,
                "name": "ไธ‰ๅœฃๆฃ‹ๅ‹ไผš๏ผˆ้ฃŽๅผˆ็คพ๏ผ‰",
                "summary": "ๆœ€ๅคง็š„ๅŽไบบไฟฑไน้ƒจ\n2016ๅนดๅˆ›็ซ‹๏ผˆ้ฃŽๅผˆ็คพๆ ธๅฟƒไผš๏ผ‰\n้ฃŽๅผˆ็คพ็คพ้•ฟ๏ผš่‹ฅ่ฐทๅ…ˆ็”Ÿ\nไธ‰ๅœฃๆฃ‹ๅ‹ไผšๅˆ›ๅง‹ไบบ๏ผš่‹ฅ่ฐทๅ…ˆ็”Ÿ\nไธ‰ๅœฃๆฃ‹ๅ‹ไผšไผš้•ฟ๏ผš่‹ฅ่ฐทๅ…ˆ็”Ÿ  ไธ‰ๅœฃ้ฃŽๅผˆๅ‰ฏไผš้•ฟ๏ผšๅฎ‹ไฟŠ้€ธ ไธ‰ๅœฃๆฃ‹ๅœˆๅ‰ฏไผš้•ฟ๏ผš่”กๅ›็•…ใ€้ฉฌๆ™จ่ฃ  \nไธ‰ๅœฃ๏ผš่‹ฅ่ฐท๏ผŒ้ฉฌๆ™จ่ฃ๏ผŒ็ฝ—็ฌ้Ÿต\nไธ‰ๅœฃ๏ผˆ้ฃŽๅผˆ๏ผ‰็บชๅง”๏ผš้ป„ๆฐ‘้นค\nไธ‰ๅœฃๅŠŸๅ‹‹ๆฆœ๏ผš่˜‘่‡ใ€ๆž—ๅนณไน‹\nไธ‰ๅœฃๆฃ‹ๅ‹ไผšไผšๅบ†ๆ—ฅ๏ผš4ๆœˆ14ๆ—ฅ\n้ฃŽๅผˆ็คพ่˜‘่‡็บชๅฟตๆ—ฅ๏ผš1ๆœˆ27ๆ—ฅ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 625,
                "icon": "https://user-uploads.online-go.com/2b80115865b939c7251ee006711f9e0d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-11-26T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-29T14:47:22.871249Z",
            "ended": "2025-01-29T15:17:50.432210Z",
            "start_waiting": "2025-01-29T14:47:22.795149Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2b80115865b939c7251ee006711f9e0d-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 11302,
            "name": "Live 9x9 Double Elimination Tournament 2015-10-04 06:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260222T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-02-22T02:00:40.107755Z",
                "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": "2026-02-22T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "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": "2015-10-04T06:30:21.239153Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-10-04T06:30:22.799453Z",
            "ended": "2015-10-04T07:17:21.657534Z",
            "start_waiting": "2015-10-04T06:30:22.683353Z",
            "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": 128120,
            "name": "Live 9x9 Double Elimination Tournament 2025-05-03 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:20260222T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-02-22T02:00:40.107755Z",
                "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": "2026-02-22T06:00:00Z",
                "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": "2025-05-03T14:30:49.598373Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-05-03T14:31:49.744956Z",
            "ended": "2025-05-03T15:17:14.216646Z",
            "start_waiting": "2025-05-03T14:31:49.595984Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 9643,
            "name": "Live 9x9 Double Elimination Tournament 2015-08-03 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 Sitewide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260222T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-02-22T02:00:40.107755Z",
                "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": "2026-02-22T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "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": "2015-08-03T10:30:10.689521Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-08-03T10:30:12.645581Z",
            "ended": "2015-08-03T11:02:45.170754Z",
            "start_waiting": "2015-08-03T10:30:12.491589Z",
            "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": 53641,
            "name": "Live 9x9 Double Elimination Tournament 2019-11-07 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 Sitewide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260222T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-02-22T02:00:40.107755Z",
                "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": "2026-02-22T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "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": "2019-11-07T14:30:24.845910Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-11-07T14:30:27.587426Z",
            "ended": "2019-11-07T15:46:56.918898Z",
            "start_waiting": "2019-11-07T14:30:26.196514Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 51808,
            "name": "Live 9x9 Double Elimination Tournament 2019-09-07 22:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260222T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-02-22T02:00:40.107755Z",
                "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": "2026-02-22T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "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": "2019-09-07T22:30:14.048909Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-09-07T22:30:16.442931Z",
            "ended": "2019-09-07T22:54:54.595457Z",
            "start_waiting": "2019-09-07T22:30:15.356069Z",
            "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": 9744,
            "name": "Live 9x9 Double Elimination Tournament 2015-08-07 06:30",
            "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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260222T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-02-22T02:00:40.107755Z",
                "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": "2026-02-22T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "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": "2015-08-07T06:30:08.478321Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-08-07T06:31:10.092677Z",
            "ended": "2015-08-07T07:10:09.505851Z",
            "start_waiting": "2015-08-07T06:31:09.983971Z",
            "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
        }
    ]
}