List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5566
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60783,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5567",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5565",
    "results": [
        {
            "id": 74036,
            "name": "19x19 Traditional monthly tournament VI/21",
            "director": {
                "id": 929191,
                "username": "EnsoZEN",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1463.5820448380764,
                        "deviation": 67.30723430909097,
                        "volatility": 0.06004488935091738
                    }
                },
                "ranking": 23.734396346844115,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have ZEN!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 46,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-31T23:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-05-31T23:00:31.402268Z",
            "ended": "2021-10-12T23:59:04.838203Z",
            "start_waiting": "2021-05-31T23:00:30.533196Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 792,
            "name": "Carel's mini-tournament",
            "director": {
                "id": 11372,
                "username": "Carel",
                "country": "_Scotland",
                "icon": "https://secure.gravatar.com/avatar/d04e237ce10e8d5d3440046944c89417?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1292.3916243045364,
                        "deviation": 65.67142702351883,
                        "volatility": 0.059964723165606366
                    }
                },
                "ranking": 20.854712007568494,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 7,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-04-07T14:43:43Z",
            "ended": "2009-04-07T12:43:43Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 100562,
            "name": "2023.MAR #8 19X19 tournament 6K~4K",
            "director": {
                "id": 1161013,
                "username": "朵兒普拉斯-doorplus-",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1151.0937500744108,
                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
                    }
                },
                "ranking": 18.174361096243295,
                "professional": false,
                "ui_class": ""
            },
            "description": "Attention: Time Setting for the Game\n\nWhen playing the game, please pay close attention to the time setting. The game requires an average of 5-6 moves per day. If you need to take a break, make sure to return promptly and make more than 6 moves per day to keep up with the time. Please do not keep your opponent waiting for tooooooooooooooo loooooooooooooooooooong.\n\n🍭Tips:                                                      \n1️⃣Utilize the conditional move feature to speed up the game.                                                      \n2️⃣Disqualification will occur if a player loses by timeout.                                                       \n3️⃣If disqualified by the tournament director, all outstanding games will be forfeited, which will affect the player’s ranking.                                          \n\n🍭The following rules must be obeyed to guarantee a respectful game:                                             \n1️⃣No pauses are allowed.                                   \n2️⃣No vacation mode is permitted. (If a player is on vacation, they and their opponent can still make a move, but time will be suspended. Soooooooooooo, vacation mode is absolutely NOT allowed.)                                       \n3️⃣Any player who is on vacation or has paused the game will be disqualified without further notice or reminder.  \n4️⃣If you find that a player pauses the game or enters vacation mode, please send a message to the tournament director.                                                 \n\nLet us strive to be respectful players.                       \nWe wish everyone a pleasant game and hope to gain something from our opponents. :)",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 19187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 14400,
                "initial_time": 604800,
                "max_time": 864000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12824,
                "name": "Way to GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-09T19:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 24,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-27T23:31:35.073619Z",
            "ended": "2023-08-12T00:15:31.376431Z",
            "start_waiting": "2023-02-27T23:31:34.703568Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 118989,
            "name": "Tournament sinbabax",
            "director": {
                "id": 1470605,
                "username": "コビー大佐",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/0d3eeb73d3a223e7c934d52715fa8233-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1152.2780303362724,
                        "deviation": 64.84780508577205,
                        "volatility": 0.06056773556265623
                    }
                },
                "ranking": 18.19816627672791,
                "professional": false,
                "ui_class": ""
            },
            "description": "For go lovers and diep.io lovers",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 13697,
                "name": "𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽",
                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 127,
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-08-13T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-08-13T09:00:06.065383Z",
            "ended": "2024-09-28T18:55:05.111445Z",
            "start_waiting": "2024-08-13T09:00:05.981671Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72628,
            "name": "SLOW Intermediate GO ( SG tournaments )",
            "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": "Ok. Nothing in the description box. Just see the title and you will now. It. Will. Be. Very. Very. Fast. \n\n\nPS:",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15840,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 129600,
                "max_time": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": "2021-03-20T07:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-20T07:00:33.679247Z",
            "ended": "2021-05-14T11:41:38.888978Z",
            "start_waiting": "2021-03-20T07:00:32.978420Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1bb6e438f22b30f38646f242ef9eebd4-15.png",
            "player_count": 27,
            "ranked": true
        },
        {
            "id": 93406,
            "name": "August correspondens tournament",
            "director": {
                "id": 1102538,
                "username": "Kiwi082",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/87a634638daea69da67b63a796e94516?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1418.1535798962382,
                        "deviation": 61.44566957987151,
                        "volatility": 0.05996982812873685
                    }
                },
                "ranking": 23.00445007077434,
                "professional": false,
                "ui_class": ""
            },
            "description": "GO:^)",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 691200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12007,
                "name": "All kinds of Tournaments",
                "summary": "Group for all kinds of Tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-08-20T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 12,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-08-20T08:00:38.517471Z",
            "ended": "2023-09-18T08:08:11.004479Z",
            "start_waiting": "2022-08-20T08:00:38.243572Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 59841,
            "name": "19 times 19 Live Tournament (Kyu only)",
            "director": {
                "id": 720484,
                "username": "JtaoOMG",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/b79de628ffd7e4fe1a54a7c2b38163e5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1866.3720336200906,
                        "deviation": 64.63461166642907,
                        "volatility": 0.06005553853146774
                    }
                },
                "ranking": 29.36238292017167,
                "professional": false,
                "ui_class": ""
            },
            "description": "19 times 19 Live Tournament (Kyu only)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 540,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 749,
                "name": "Chinese Group 中華群 - 奕棋會友 -",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 68,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-29T21:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-29T21:00:41.138670Z",
            "ended": "2020-04-29T21:19:58.478863Z",
            "start_waiting": "2020-04-29T21:00:40.864180Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 39516,
            "name": "Fora turnir",
            "director": {
                "id": 211967,
                "username": "Algis9",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c76696a5fff9f74117a10617d9212d33?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1314.0820813423495,
                        "deviation": 63.761535961929226,
                        "volatility": 0.061725069113325884
                    }
                },
                "ranking": 21.240018539561714,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fora turnir",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2018-08-05T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-08-05T19:00:37.220100Z",
            "ended": "2018-10-11T19:49:05.018412Z",
            "start_waiting": "2018-08-05T19:00:35.596298Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 491,
            "name": "Fast - Hard - Dirty",
            "director": {
                "id": 13464,
                "username": "ichderfisch",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/96d36b433abfed6b225004b831b4e6a5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1993.0540480384739,
                        "deviation": 66.73990904201048,
                        "volatility": 0.060002351704365686
                    }
                },
                "ranking": 30.882682828774666,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 23,
            "max_ranking": 26,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-06-26T18:13:31Z",
            "ended": "2008-06-26T16:13:31Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 113678,
            "name": "go à gogo",
            "director": {
                "id": 1458120,
                "username": "Napoléons",
                "country": "ch",
                "icon": "https://user-uploads.online-go.com/58ce26db76e22d844f44904d26d8e1b1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 704.7291394360203,
                        "deviation": 65.28648138479325,
                        "volatility": 0.06007110555342586
                    }
                },
                "ranking": 6.815713431411645,
                "professional": false,
                "ui_class": ""
            },
            "description": "en 5 période règule japonaise",
            "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": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 95,
                "name": "France Go Players",
                "summary": "Le groupe pour les joueurs français!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1319,
                "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-05-25T15:45:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-05-25T15:45:07.461290Z",
            "ended": "2025-05-25T16:10:32.018599Z",
            "start_waiting": "2025-05-25T15:45:07.401578Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
            "player_count": 3,
            "ranked": true
        }
    ]
}