List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=name&page=1924
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60894,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=name&page=1925",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=name&page=1923",
    "results": [
        {
            "id": 135101,
            "name": "Christmas Championship",
            "director": {
                "id": 1818077,
                "username": "时光和褚嬴呀",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/65467471f69c780786a014ecc51b00f8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1280.7668152670512,
                        "deviation": 70.02115178516043,
                        "volatility": 0.06014202671271932
                    }
                },
                "ranking": 20.64554015405378,
                "professional": false,
                "ui_class": ""
            },
            "description": "World Cup Let's Go",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8966,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-23T09:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-23T09:00:10.620037Z",
            "ended": null,
            "start_waiting": "2025-12-23T09:00:10.352133Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 29,
            "ranked": true
        },
        {
            "id": 89772,
            "name": "Christmas Competition",
            "director": {
                "id": 1065846,
                "username": "OreoHam777",
                "country": "nz",
                "icon": "https://secure.gravatar.com/avatar/001a38e123f0edfca9543faacae7865f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1442.0911710199657,
                        "deviation": 60.525251779380696,
                        "volatility": 0.05994262403078612
                    }
                },
                "ranking": 23.391947100744954,
                "professional": false,
                "ui_class": ""
            },
            "description": "Merry Christmas! Feel free to join this tournament if you are a fan of both Christmas and Go!\n\nNote: This is a competition for all.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10593,
                "name": "Felix the Phoenix's Go Club of Fun",
                "summary": "Felix the Phoenix's Go Club of Fun is a social club which allows players to game, chat and have fun. I hope you'll have a great time in the club!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-25T01:00:00Z",
            "players_start": 100,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-29T19:25:42.495465Z",
            "ended": "2026-05-13T20:18:39.568648Z",
            "start_waiting": "2022-12-29T19:25:39.529148Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-15.png",
            "player_count": 21,
            "ranked": true
        },
        {
            "id": 97501,
            "name": "Christmas Cup",
            "director": {
                "id": 1246125,
                "username": "INeverDie",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1752.9419428448718,
                        "deviation": 65.63640297658006,
                        "volatility": 0.05998049895329013
                    }
                },
                "ranking": 27.91085544535154,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have Fun at Christmas Cup! \nIn order to join the competition, join the group first.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90503,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 518400,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12602,
                "name": "The Black Mamba GO Club",
                "summary": "Join the group if you want to have competitive tournaments like Kobe Bryant (The black mamba) did in his basketball career (NBA) . RIP Kobe.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-26T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-12-26T02:01:00.046416Z",
            "ended": "2023-02-17T16:13:57.426369Z",
            "start_waiting": "2022-12-26T02:00:59.971840Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/273fd26c5b1b4a454ba968da7ec89540-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 83232,
            "name": "Christmas Eve",
            "director": {
                "id": 818383,
                "username": "SubToMixzory",
                "country": "vi",
                "icon": "https://user-uploads.online-go.com/c6aa9dd0c30d28446d4dcafe2b6186e9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1269.4299654571807,
                        "deviation": 64.69887391357838,
                        "volatility": 0.0601483836856834
                    }
                },
                "ranking": 20.439713055563516,
                "professional": false,
                "ui_class": ""
            },
            "description": "anyone who pauses will be kicked",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8382,
                "name": "Darkness Rises",
                "summary": "Darkness shall thrive",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/1bb6e438f22b30f38646f242ef9eebd4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-24T05:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-11T14:18:01.708826Z",
            "ended": "2022-05-28T13:38:04.542426Z",
            "start_waiting": "2021-12-11T14:18:01.518116Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1bb6e438f22b30f38646f242ef9eebd4-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 109511,
            "name": "Christmas Eve Bots Tournament",
            "director": {
                "id": 1384458,
                "username": "KataGui40b",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/c6cd5e2737c084c9b1bf19dbde657515-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2712.2215816282687,
                        "deviation": 66.20911530550082,
                        "volatility": 0.059975291738258586
                    }
                },
                "ranking": 38,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Bots only",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3661,
                "name": "Bots only",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-24T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-24T22:00:03.170981Z",
            "ended": "2023-12-24T23:22:51.746196Z",
            "start_waiting": "2023-12-24T22:00:03.035850Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 41891,
            "name": "Christmas Go",
            "director": {
                "id": 503127,
                "username": "zombiewarrior88",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fb4e72418e490f4e6579d86b747db6f1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1214.311434818523,
                        "deviation": 86.67575938156371,
                        "volatility": 0.06001172103733663
                    }
                },
                "ranking": 19.412067012948505,
                "professional": false,
                "ui_class": ""
            },
            "description": "Come join and play this christmas Go. Enjoy and, more importantly, have fun. Enjoy.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 120,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "live",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 120
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 3017,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-12-26T01:00:00Z",
            "players_start": 1,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-26T01:00:16.318370Z",
            "ended": "2018-12-26T01:23:28.100057Z",
            "start_waiting": "2018-12-26T01:00:13.448179Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 43989,
            "name": "Christmas Tourament",
            "director": {
                "id": 599241,
                "username": "crispinwild85",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/31b87dbafea182919ff948c9ddf4b105-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 533.7798770422186,
                        "deviation": 88.9504369742572,
                        "volatility": 0.06000806588071868
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "have a good time",
            "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": 3189,
                "name": "Go club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-12-24T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-25T18:26:48.253570Z",
            "ended": "2019-06-11T18:04:12.803973Z",
            "start_waiting": "2018-12-25T18:26:48.014721Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 83941,
            "name": "Christmas Tournament",
            "director": {
                "id": 880032,
                "username": "秋入十一月",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/7f359e1a538b060830fc14b2b3e01f02?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 934.6138517613422,
                        "deviation": 76.88825310671871,
                        "volatility": 0.05999298488212337
                    }
                },
                "ranking": 13.35141961663273,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's Go!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 10791,
                "name": "Asia Go Bunnies",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/563c0f77fa96ebd7432e70afa0b0dd07-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-01T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-01-01T03:00:26.956032Z",
            "ended": "2022-01-10T03:50:36.178062Z",
            "start_waiting": "2022-01-01T03:00:26.853935Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/563c0f77fa96ebd7432e70afa0b0dd07-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 69348,
            "name": "Christmas Tournament",
            "director": {
                "id": 535250,
                "username": "andyzhou",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/105954f48a899e137f853a65860f7c7b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1807.7995103995904,
                        "deviation": 66.55947166904842,
                        "volatility": 0.06013691821776674
                    }
                },
                "ranking": 28.62421989205001,
                "professional": false,
                "ui_class": ""
            },
            "description": "Feel free to join! This is the replacement of the original one because the time setting was wrong.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 15,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3692,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-25T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-12-26T09:21:24.069325Z",
            "ended": "2020-12-26T09:43:11.038052Z",
            "start_waiting": "2020-12-26T09:21:23.833351Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 81923,
            "name": "Christmas Tournament - Presents for everyone! 🎄🎄🎄",
            "director": {
                "id": 765440,
                "username": "-Crr-Ake-",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/9d99bf00e6d20984d9593370304f4512?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1600.786020918073,
                        "deviation": 61.22517156646065,
                        "volatility": 0.059964088743382375
                    }
                },
                "ranking": 25.808818894048446,
                "professional": false,
                "ui_class": ""
            },
            "description": "Merry Christmas! Good luck to you all in this tournament, may fortune be given to you all!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_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": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8262,
                "name": "Virtuoso Go Association 🕶",
                "summary": "Group Targets: Participate in our monthly and special event tournaments, Always learn something new, don't be scared to ask to review your games and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 33,
                "icon": "https://user-uploads.online-go.com/afa15e7b6a8909de8c92a1727546641c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-25T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-12-25T17:00:54.246608Z",
            "ended": null,
            "start_waiting": "2021-12-25T17:00:52.164020Z",
            "board_size": 19,
            "active_round": 8,
            "icon": "https://user-uploads.online-go.com/afa15e7b6a8909de8c92a1727546641c-15.png",
            "player_count": 91,
            "ranked": true
        }
    ]
}