List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=ranked&page=4
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59883,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=ranked&page=5",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=ranked&page=3",
    "results": [
        {
            "id": 138653,
            "name": "ซ้อมแข่งขัน",
            "director": {
                "id": 1834808,
                "username": "CP12",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9e6657edb905f03c794b5126e0930eff?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 718.3342462557268,
                        "deviation": 157.18203853328103,
                        "volatility": 0.060000465207427335
                    }
                },
                "ranking": 7.258375118164892,
                "professional": false,
                "ui_class": ""
            },
            "description": "แต้มต่อ 6.5",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16274,
                "name": "หมากล้อม ล้อมใจ",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/f1ebbdbad8e7da980156e1af70e2c954-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-26T03:32:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-03-26T03:32:08.550430Z",
            "ended": "2026-03-26T04:17:50.856943Z",
            "start_waiting": "2026-03-26T03:32:08.237836Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f1ebbdbad8e7da980156e1af70e2c954-15.png",
            "player_count": 14,
            "ranked": false
        },
        {
            "id": 135419,
            "name": "Torneig Nadal SMX1B",
            "director": {
                "id": 1096827,
                "username": "rusben",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2d5b3343c617b01accde2daf1bde3854?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1732.2318898313797,
                        "deviation": 80.60963625664145,
                        "volatility": 0.06007908216243982
                    }
                },
                "ranking": 27.635722327987764,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneig Nadal SMX1B",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 420,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15989,
                "name": "SMX12025",
                "summary": "SMX12025",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 30,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-16T12:10:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-12-16T12:03:31.195283Z",
            "ended": "2025-12-16T13:02:08.958552Z",
            "start_waiting": "2025-12-16T12:03:30.944305Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": false
        },
        {
            "id": 136551,
            "name": "hgjgh",
            "director": {
                "id": 1942246,
                "username": "Rosemary Teacher",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/066f8b0bfc551845f905ae10d94383da?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 710.3615547953566,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 7.000000000000001,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "ghjghj",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 16110,
                "name": "Chinese game Class",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-20T15:53:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2026-01-20T15:53:03.673617Z",
            "ended": "2026-01-20T16:06:54.583011Z",
            "start_waiting": "2026-01-20T15:53:03.590481Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": false
        },
        {
            "id": 136188,
            "name": "✨🎉 Go Magic 2026 Celebration 🎉✨",
            "director": {
                "id": 901303,
                "username": "Muff0",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/e04175e5267b560bb2448bb1867a73e7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1743.4779377324542,
                        "deviation": 62.27641979697285,
                        "volatility": 0.05986035917016469
                    }
                },
                "ranking": 27.7855316793828,
                "professional": false,
                "ui_class": ""
            },
            "description": "🎉A new rapid tournament to start the new year with Go Magic!✨\n\nAll prizes are Go Magic Gift Cards\n\n\n🏆Prizes:\n\n1st Place: $300   \n2nd Place: $240  \n3rd Place: $180  \n\n🏆 Special Prizes (mutually exclusive with winning):\n\n6 Wins: $100  \n5 Wins: $50  \n\n🎁 Participation Prize: Everyone who finishes all 6 rounds will receive a 30$ discount card (does not stack with our sales and other promos).\nAll you have to do is register and be here at the starting time! The next rounds will start as soon as all the games are finished.\n\nThe expected total duration is about 1.5h\n\n⌚ **The start time is shown in your local timezone!!**  \n**Absolute start time is:**   \n**Saturday, January 17, 2026 6:00 PM UTC**  \n[**ADD TO YOUR GOOGLE CALENDAR**](https://go.gomagic.org/gk5nWj)   \n[**ADD TO YOUR OUTLOOK CALENDAR**](https://go.gomagic.org/JGbKAL)   \n  \n🪄✨ Learn Go the Magical way at <a href=\"https://go.gomagic.org/X4LK1U\" target=\"_blank\">Go Magic</a>",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 2142,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-01-17T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-17T18:00:35.436142Z",
            "ended": "2026-01-17T19:52:06.065096Z",
            "start_waiting": "2026-01-17T18:00:26.174874Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 206,
            "ranked": false
        },
        {
            "id": 137065,
            "name": "1 day 13x13 Tournament",
            "director": {
                "id": 1746984,
                "username": "SoumyaK4",
                "country": "in",
                "icon": "https://user-uploads.online-go.com/80f44fbb7aa8ea01a9bcd4779ba89f81-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1599.1133709032433,
                        "deviation": 107.9271849291826,
                        "volatility": 0.059997587312341186
                    }
                },
                "ranking": 25.784616976032517,
                "professional": false,
                "ui_class": ""
            },
            "description": "The delayed New Year Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 40,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 102,
                "name": "India Go Club - AIGP",
                "summary": "Affiliated with **Association of Indian Go Players** - [AIGP](https://aigp.org.in).\n\nThis is a group for all Indians who play go and reside in or around India. We are also happy to have any go player around the planet, interested in meeting and networking ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 249,
                "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-02-08T11:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-02-08T11:30:42.149210Z",
            "ended": "2026-02-08T11:59:42.527824Z",
            "start_waiting": "2026-02-08T11:30:41.878538Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-15.png",
            "player_count": 5,
            "ranked": false
        },
        {
            "id": 135382,
            "name": "Torneig Nadal",
            "director": {
                "id": 1096827,
                "username": "rusben",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2d5b3343c617b01accde2daf1bde3854?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1732.2318898313797,
                        "deviation": 80.60963625664145,
                        "volatility": 0.06007908216243982
                    }
                },
                "ranking": 27.635722327987764,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneig Nadal",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15986,
                "name": "2SMXB",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-15T11:00:00Z",
            "players_start": 50,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2025-12-15T10:54:15.446742Z",
            "ended": "2025-12-15T11:47:12.499605Z",
            "start_waiting": "2025-12-15T10:54:15.161535Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 14,
            "ranked": false
        },
        {
            "id": 139480,
            "name": "Блиц 21 апреля",
            "director": {
                "id": 1994314,
                "username": "Kyoushi",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/d97e4c3bcdc6794b917faf25d9fa94d1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Хотим игра-а-а-ть!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "rapid",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 10,
                "periods": 10
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12847,
                "name": "Nikoniko ДЕТИ",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-21T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-04-21T10:00:38.751555Z",
            "ended": "2026-04-21T11:01:39.789425Z",
            "start_waiting": "2026-04-21T10:00:38.603944Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-15.png",
            "player_count": 4,
            "ranked": false
        },
        {
            "id": 140434,
            "name": "GAMBATE 01",
            "director": {
                "id": 1090311,
                "username": "JCYW130360",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c8af27cf67ecdfe2570370a281de62b9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1234.4099149048252,
                        "deviation": 259.329002559522,
                        "volatility": 0.06000041142207124
                    }
                },
                "ranking": 19.79209413416666,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "19x19  Tablero",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 114,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 14400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16424,
                "name": "MBA 50 ADS",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/87180b7a54062c14a85927f89aa960c4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-05-21T02:06:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-05-21T02:06:16.396727Z",
            "ended": "2026-05-21T23:29:34.657309Z",
            "start_waiting": "2026-05-21T02:06:15.975589Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/87180b7a54062c14a85927f89aa960c4-15.png",
            "player_count": 26,
            "ranked": false
        },
        {
            "id": 137313,
            "name": "Haftalık 13x13 GO Turnuvası",
            "director": {
                "id": 740081,
                "username": "galaksi",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/73ed90ab6ac88fcad517634998cc41cf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1781.5505706639947,
                        "deviation": 103.4609570643941,
                        "volatility": 0.060004648759396054
                    }
                },
                "ranking": 28.28562166444893,
                "professional": false,
                "ui_class": ""
            },
            "description": "Haftalık 13x13 GO Turnuvası",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 420
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16175,
                "name": "PAE TV",
                "summary": "PAE TV'nin OGS Grubu",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://user-uploads.online-go.com/3266a5b634c4b26e44d4c8c35a356ea4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-02-12T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-02-12T17:00:47.474661Z",
            "ended": "2026-02-12T18:48:14.439296Z",
            "start_waiting": "2026-02-12T17:00:47.259189Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3266a5b634c4b26e44d4c8c35a356ea4-15.png",
            "player_count": 6,
            "ranked": false
        },
        {
            "id": 140859,
            "name": "☀️ Go Magic June 9x9 ☀️",
            "director": {
                "id": 901303,
                "username": "Muff0",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/e04175e5267b560bb2448bb1867a73e7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1743.4779377324542,
                        "deviation": 62.27641979697285,
                        "volatility": 0.05986035917016469
                    }
                },
                "ranking": 27.7855316793828,
                "professional": false,
                "ui_class": ""
            },
            "description": "Time for a new monthly 9x9 tournament by Go Magic!\n\n\nAll prizes are Go Magic Gift Cards\n\n\n🏆Prizes:\n\n1st Place: $100   \n2nd Place: $80  \n3rd Place: $60  \n\n🏆 Special Prizes (mutually exclusive with winning):\n\n6 Wins: $50  \n5 Wins: $30\n\nAll you have to do is register and be here at the starting time! The next rounds will start as soon as all the games are finished.\n\nThe expected total duration is about 1.5h\n\n⌚ **The start time is shown in your local timezone!!**  \n**Absolute start time is:**   \n**Sunday, June 14, 2026 7:00 PM UTC**  \nAdd to your calendar: [**Google**](https://calendar.google.com/calendar/render?action=TEMPLATE&dates=20260614T190000Z%2F20260614T210000Z&details=&location=&text=Go%20Magic%20June%209x9%20) | [**Outlook**](https://outlook.live.com/calendar/0/action/compose?allday=false&body=&enddt=2026-06-14T23%3A00%3A00&location=&path=%2Fcalendar%2Faction%2Fcompose&rru=addevent&startdt=2026-06-14T21%3A00%3A00&subject=Go%20Magic%20June%209x9%20)   \n  \n🪄✨ Learn Go the Magical way at <a href=\"https://go.gomagic.org/X4LK1U\" target=\"_blank\">Go Magic</a>",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "rapid",
                "pause_on_weekends": false,
                "time_increment": 7,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 2142,
                "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-06-14T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png",
            "player_count": 25,
            "ranked": false
        }
    ]
}