List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=82
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58899,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=83",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=81",
    "results": [
        {
            "id": 76619,
            "name": "6TO partidas de GO",
            "director": {
                "id": 88120,
                "username": "satoshi84",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.7959829193692,
                        "deviation": 78.40429708623937,
                        "volatility": 0.06016044531576248
                    }
                },
                "ranking": 17.885013568829635,
                "professional": false,
                "ui_class": ""
            },
            "description": "partidas de go",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-22T15:10:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-06-22T15:10:30.671406Z",
            "ended": "2021-06-22T15:58:02.325788Z",
            "start_waiting": "2021-06-22T15:10:30.461743Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 121277,
            "name": "VML Trial Tournament [9x9]",
            "director": {
                "id": 103583,
                "username": "Aftiz",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/66aae2ca71ca69f866afb2be7f0dbfc5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1660.5578457435415,
                        "deviation": 64.59333079972154,
                        "volatility": 0.05995846280282413
                    }
                },
                "ranking": 26.65747071315065,
                "professional": false,
                "ui_class": ""
            },
            "description": "We are starting a series of 9x9 board tournaments. This is a great opportunity to test your skills. Formats may vary, but the main goal is to create an engaging and comfortable competition for all participants. Both experienced players and newcomers are welcome!\n__________________________________________________________\n\nМы запускаем серию турниров на доске 9x9. Это отличная возможность протестировать свои силы. Форматы могут варьироваться, а главная цель – создать увлекательное и удобное соревнование для всех участников. Приглашаем как опытных игроков, так и новичков!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": true,
            "group": {
                "id": 14700,
                "name": "Victory Move League",
                "summary": "Welcome to Victory Move League! We are a group of Go enthusiasts hosting our own league. Join us and create an exciting story together!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 38,
                "icon": "https://user-uploads.online-go.com/d9486464f7250f0ec41e4ddd2fb0edc7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-31T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-31T21:00:35.002218Z",
            "ended": "2025-02-10T03:36:29.059513Z",
            "start_waiting": "2024-10-31T21:00:34.748783Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d9486464f7250f0ec41e4ddd2fb0edc7-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 66147,
            "name": "OGS Italian Group 9x9 DDK Tournament",
            "director": {
                "id": 831057,
                "username": "dtosti",
                "country": "it",
                "icon": "https://secure.gravatar.com/avatar/eed363944d56b9f99263a8652fac2b6c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 741.1423857643122,
                        "deviation": 68.22805153993532,
                        "volatility": 0.0600296864572758
                    }
                },
                "ranking": 7.981992623454792,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneo per principianti, regole cinesi",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": 710,
                "name": "Italian Group",
                "summary": "Questo è un gruppo creato per raccogliere tutti i giocatori italiani 😜",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 274,
                "icon": "https://user-uploads.online-go.com/b25a2f6a1c298402adb7a561be5719ff-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-02T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-02T18:36:39.808405Z",
            "ended": "2020-10-08T20:07:13.947331Z",
            "start_waiting": "2020-10-02T18:36:39.313034Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b25a2f6a1c298402adb7a561be5719ff-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 42110,
            "name": "ქართველების ტურნირი",
            "director": {
                "id": 21742,
                "username": "დათო",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2188.217274395995,
                        "deviation": 97.40479902700517,
                        "volatility": 0.06013689069472163
                    }
                },
                "ranking": 33.04533320130458,
                "professional": false,
                "ui_class": ""
            },
            "description": "ორ წაგებაზე გავარდნა",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 61,
            "time_control_parameters": {
                "period_time": 60,
                "main_time": 120,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 3,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 262,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-10-23T18:04:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-10-23T18:04:15.043549Z",
            "ended": "2018-10-23T18:10:45.434205Z",
            "start_waiting": "2018-10-23T18:04:14.585972Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 107544,
            "name": "ALZ 5",
            "director": {
                "id": 371940,
                "username": "Fabertelli",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/b2385f1a102acadea9a7fb7a49dc3d4d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1344.3952755434875,
                        "deviation": 66.14559822399715,
                        "volatility": 0.05977984401695895
                    }
                },
                "ranking": 21.76797553666538,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneio treino 5!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89448,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12474,
                "name": "Anna Lamberga",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 32,
                "icon": "https://user-uploads.online-go.com/38422ecae9f38f6103c0f90ab7828e76-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-09-17T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-08-30T20:16:11.118963Z",
            "ended": "2025-08-31T20:16:28.606924Z",
            "start_waiting": "2025-08-30T20:16:10.944415Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/38422ecae9f38f6103c0f90ab7828e76-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 111425,
            "name": "2024 Welcome New Year Tournament",
            "director": {
                "id": 1443345,
                "username": "superb player go pro",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/dd10493b8b6e737a8053f7a97f94728f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 753.4587738512984,
                        "deviation": 76.2039922137341,
                        "volatility": 0.060000481017636685
                    }
                },
                "ranking": 8.363540351617504,
                "professional": false,
                "ui_class": ""
            },
            "description": "Time per move 5 min Provisional players are all allowed but might be harder to win for provisional players.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 300,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13928,
                "name": "The Pro Group",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 5,
                "icon": "https://user-uploads.online-go.com/343c997394ea08781edc16ffd177092a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-13T08:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-13T08:00:45.131256Z",
            "ended": "2024-01-13T08:11:11.261737Z",
            "start_waiting": "2024-01-13T08:00:45.049076Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/343c997394ea08781edc16ffd177092a-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 42160,
            "name": "Fast Corresp. 9x9 \"Out-of-Ten\". Starts when full. Oct-'18F",
            "director": {
                "id": 497519,
                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
                "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.954785564748,
                        "deviation": 61.40997215047312,
                        "volatility": 0.060088015249815864
                    }
                },
                "ranking": 25.432209892698047,
                "professional": false,
                "ui_class": ""
            },
            "description": "-STARTS WHEN FULL. - Does NOT pause on the weekend.\n\n-Just one round. Ten players, nine games, Chinese Rules\n\n-If this suits you then, Bonne Partie. :)\n\n-This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2014,
                "name": "The Nines 9x9 ",
                "summary": "9x9 Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 373,
                "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-10-27T12:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-10-27T14:33:11.515555Z",
            "ended": "2018-11-10T17:27:18.476737Z",
            "start_waiting": "2018-10-27T14:33:06.461990Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 64881,
            "name": "sunday 9x9 tournament",
            "director": {
                "id": 56637,
                "username": "milanm",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1639.6260895891157,
                        "deviation": 66.6973220109497,
                        "volatility": 0.059937528550663394
                    }
                },
                "ranking": 26.36380426152941,
                "professional": false,
                "ui_class": "supporter aga"
            },
            "description": "weekly 9x9 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5803,
                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-30T17:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-30T17:01:21.850467Z",
            "ended": "2020-08-30T17:35:10.560007Z",
            "start_waiting": "2020-08-30T17:01:21.312203Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 42707,
            "name": "Fast Corresp. 9x9 \"Out-of-Ten\". Starts when full. Nov-'18D",
            "director": {
                "id": 497519,
                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
                "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.954785564748,
                        "deviation": 61.40997215047312,
                        "volatility": 0.060088015249815864
                    }
                },
                "ranking": 25.432209892698047,
                "professional": false,
                "ui_class": ""
            },
            "description": "-STARTS WHEN FULL. - Does NOT pause on the weekend.\n\n-Just one round. Ten players, nine games, Chinese Rules\n\n-If this suits you then, Bonne Partie. :)\n\n-This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 259200,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2014,
                "name": "The Nines 9x9 ",
                "summary": "9x9 Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 373,
                "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-11-16T12:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-16T00:51:53.750274Z",
            "ended": "2018-11-30T19:19:16.386064Z",
            "start_waiting": "2018-11-16T00:51:50.256317Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 110924,
            "name": "Mad Go unfriendly tournament",
            "director": {
                "id": 1485592,
                "username": "ArrowA6",
                "country": "zz",
                "icon": "https://secure.gravatar.com/avatar/4875a004d84ed8ebbc6f1c460d04b23d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Let's play Mad Go",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 65,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 55,
                "initial_time": 600,
                "max_time": 600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13896,
                "name": "Mad Go",
                "summary": "Are you mad \nlet's play Go",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-01-13T04:00:00Z",
            "players_start": 9,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-13T04:00:47.128729Z",
            "ended": "2024-01-13T06:21:32.467978Z",
            "start_waiting": "2024-01-13T04:00:44.989286Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 32,
            "ranked": true
        }
    ]
}