List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5755
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58935,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5756",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5754",
    "results": [
        {
            "id": 4046,
            "name": "IndiGo 2015",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 759.7348503209386,
                        "deviation": 64.81979589727382,
                        "volatility": 0.059128531507433996
                    }
                },
                "ranking": 8.55557394345362,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "13x13",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 244,
                "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-01-10T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-01-15T02:33:01.636698Z",
            "ended": "2015-02-11T12:00:18.023240Z",
            "start_waiting": "2015-01-15T02:33:01.561136Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9c775ca930451450cefbcdd80b14c02e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 125974,
            "name": "N 3 ტურნირი",
            "director": {
                "id": 1459143,
                "username": "Gochadvalii",
                "country": "ge",
                "icon": "https://secure.gravatar.com/avatar/91b1714ddc9099ef33e2e3b50fad9a7a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 955.698479856933,
                        "deviation": 60.926819584507065,
                        "volatility": 0.059973280938654616
                    }
                },
                "ranking": 13.867873301123513,
                "professional": false,
                "ui_class": ""
            },
            "description": "8.30 წუთზე დაიწყება N3 ტურნირი. მსურველებს შეგიძლიათ დარეგისტრირდეთ.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 420,
                "period_time": 20,
                "periods": 4
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15109,
                "name": "გო ქუთაისში",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 34,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-02T16:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-02T16:30:14.615268Z",
            "ended": "2025-03-02T17:47:38.869849Z",
            "start_waiting": "2025-03-02T16:30:14.527019Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 52210,
            "name": "Go Beginners  -- Mac Mahon -- 19x19",
            "director": {
                "id": 75250,
                "username": "mcardenas",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/e99f42d2b8300f36dc8caaa5d5149fe4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 952.1642396684373,
                        "deviation": 65.15643795973772,
                        "volatility": 0.05996596142427853
                    }
                },
                "ranking": 13.782104285234388,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open to all beginners!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 177,
                "name": "GO Beginners",
                "summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 259,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2019-10-01T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-10-01T23:00:07.929447Z",
            "ended": "2020-06-17T23:59:03.815101Z",
            "start_waiting": "2019-10-01T23:00:07.160099Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 112621,
            "name": "Kranj 59",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 788.4782417507043,
                        "deviation": 64.76496024965462,
                        "volatility": 0.0599203180748189
                    }
                },
                "ranking": 9.415256608156199,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 38051,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 36000,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-02-15T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-02-13T08:22:40.125399Z",
            "ended": "2024-05-09T19:38:43.019060Z",
            "start_waiting": "2024-02-13T08:22:39.392469Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 123113,
            "name": "💫 For the beginners 2025 - 001 🐒",
            "director": {
                "id": 629701,
                "username": "Sipjin",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/5d60113dc259ac2f8bd5d6e440632725-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1573.9465642870243,
                        "deviation": 63.79361715684509,
                        "volatility": 0.05981370206291975
                    }
                },
                "ranking": 25.417385469330203,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is for all the beginners, that had no chance to participate in my other tournaments (Look at https://online-go.com/group/13788).\n\nI hope you enjoy that tournament mode.\n \nFeel free to contact me and give feedback.\n\nPlease no bots. The use of AI is not allowed.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30168,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 172800,
                "period_time": 172800,
                "stones_per_period": 6
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13788,
                "name": "Just use your brain 🦧",
                "summary": "A group for players who like to play Go with just their skills (no in-game analysis) and want to train and improve.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 116,
                "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-12T08:00:00Z",
            "players_start": 50,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-01-13T07:48:07.181942Z",
            "ended": "2025-09-23T15:56:29.334913Z",
            "start_waiting": "2025-01-13T07:48:06.788285Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-15.png",
            "player_count": 43,
            "ranked": true
        },
        {
            "id": 4358,
            "name": "Vienna easy",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 759.7348503209386,
                        "deviation": 64.81979589727382,
                        "volatility": 0.059128531507433996
                    }
                },
                "ranking": 8.55557394345362,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "fxz jhk",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 445,
                "name": "Go7wien",
                "summary": "Wiener Go Klub",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 64,
                "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-01-27T18:57:00Z",
            "players_start": 6,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-01-27T18:57:10.333660Z",
            "ended": "2015-04-21T12:09:57.298349Z",
            "start_waiting": "2015-01-27T18:57:09.742412Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 28151,
            "name": "le tournoi 9.9",
            "director": {
                "id": 451812,
                "username": "kaze24",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/7d4ecfec6126a0906dd95977c496b3f0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 964.779599975824,
                        "deviation": 68.9247228972231,
                        "volatility": 0.05999556684294684
                    }
                },
                "ranking": 14.086807846472144,
                "professional": false,
                "ui_class": ""
            },
            "description": "tournoi mcmahon",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1668,
                "name": "le groupe débutant",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/7fed6aaa12eb6440c903038151af2408-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-06-21T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-06-23T16:49:46.454920Z",
            "ended": "2017-07-06T08:59:19.365470Z",
            "start_waiting": "2017-06-23T16:49:46.279381Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7fed6aaa12eb6440c903038151af2408-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 64215,
            "name": "correspondence beginner go tournament",
            "director": {
                "id": 485573,
                "username": "EvanFwa",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/ea71f947040a01b62b760f0e67e214d4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1149.6111321604972,
                        "deviation": 63.79984267816904,
                        "volatility": 0.06000886778060357
                    }
                },
                "ranking": 18.144524492928163,
                "professional": false,
                "ui_class": ""
            },
            "description": "this tournament is for beginners who want to play in a tournament  and have a chance of winning .\n\njoin the group for more beginner tournaments.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6520,
                "name": "beginner tournament group (25k-10k)",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-15T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-15T17:00:57.663938Z",
            "ended": "2021-09-01T18:12:33.793557Z",
            "start_waiting": "2020-08-15T17:00:56.596583Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 21,
            "ranked": true
        },
        {
            "id": 26425,
            "name": "New players",
            "director": {
                "id": 438358,
                "username": "MrMagic",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/dae234f5bf60bc699104df5dd0739094?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 832.527359671841,
                        "deviation": 145.21808235822752,
                        "volatility": 0.06000055362036435
                    }
                },
                "ranking": 10.673720106932539,
                "professional": false,
                "ui_class": ""
            },
            "description": "Thought I'd try creating a tournament to have some fun with new players",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17845,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-04-21T11:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-04-23T16:58:54.061237Z",
            "ended": "2017-06-01T01:18:08.108349Z",
            "start_waiting": "2017-04-23T16:58:53.309358Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 137879,
            "name": "💫 For the beginners 2026 - 004 🐒",
            "director": {
                "id": 629701,
                "username": "Sipjin",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/5d60113dc259ac2f8bd5d6e440632725-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1573.9465642870243,
                        "deviation": 63.79361715684509,
                        "volatility": 0.05981370206291975
                    }
                },
                "ranking": 25.417385469330203,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is for all the beginners, that had no chance to participate in my other tournaments (Look at my group page: https://online-go.com/group/13788 and I'll invite you to join).\n\nI hope you enjoy that tournament mode.\n \nFeel free to contact me and give feedback.\n\nPlease no bots. The use of AI is not allowed.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30168,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 172800,
                "period_time": 172800,
                "stones_per_period": 6
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13788,
                "name": "Just use your brain 🦧",
                "summary": "A group for players who like to play Go with just their skills (no in-game analysis) and want to train and improve.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 116,
                "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-03-28T19:00:00Z",
            "players_start": 50,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-15.png",
            "player_count": 7,
            "ranked": true
        }
    ]
}