List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4939
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 61007,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4940",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4938",
    "results": [
        {
            "id": 62286,
            "name": "2020年6月中班搶分賽(20-22級組)",
            "director": {
                "id": 755983,
                "username": "袁老師",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fe0808b21c82c7a9cb7addf61c922ef6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1625.628468273391,
                        "deviation": 112.15342538501214,
                        "volatility": 0.06001071925002786
                    }
                },
                "ranking": 26.16532238960867,
                "professional": false,
                "ui_class": ""
            },
            "description": "20k\t楊摯go\n21k\t梁昇go\n22k\t李衍亨\n22k\t張栩寧\n22k\t沈榮鈞",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5110,
                "name": "香港兒童棋院",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 108,
                "icon": "https://user-uploads.online-go.com/d6eb3e6028ad3f005423be2afc2e5d0e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-24T07:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-06-24T07:30:25.980043Z",
            "ended": "2020-06-24T08:39:50.556463Z",
            "start_waiting": "2020-06-24T07:30:25.585008Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d6eb3e6028ad3f005423be2afc2e5d0e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 61799,
            "name": "Correspondence 9x9 RoundRobin 2020-06-12 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260911T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-09-11T19:00:36.178494Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-09-14T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-06-12T19:00:55.899041Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-12T19:01:41.908013Z",
            "ended": "2020-07-15T06:05:53.138249Z",
            "start_waiting": "2020-06-12T19:01:38.072306Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 107771,
            "name": "Saturday Fun 🤩",
            "director": {
                "id": 1375639,
                "username": "Starzfall.Prom",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/60e1edcf8e554582924b698e58558753-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 905.8695499796612,
                        "deviation": 65.90354107840118,
                        "volatility": 0.0601734792513748
                    }
                },
                "ranking": 12.628256673114654,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just join and have fun on Saturdays!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 20,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13639,
                "name": "Saturday Fun 🤩",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/51cd23d74c7905875df958120af2df77-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-14T07:40:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-14T07:40:35.346202Z",
            "ended": "2023-10-14T08:53:40.716227Z",
            "start_waiting": "2023-10-14T07:40:35.138758Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/51cd23d74c7905875df958120af2df77-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 33796,
            "name": "2º Tournament in Memory of Hans Reinhard Pietsch",
            "director": {
                "id": 177197,
                "username": "Go Sertão",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/bfd562b3ab1c5409b129804f5ec1b42f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1367.2771578682984,
                        "deviation": 70.77461421474223,
                        "volatility": 0.05928212734074901
                    }
                },
                "ranking": 22.158677704513384,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tribute a this Go Player.\nhttps://en.wikipedia.org/wiki/Hans_Pietsch",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 143,
                "name": "Deutsche Gruppe",
                "summary": "Die Gruppe für alle Deutschsprachigen.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 770,
                "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-09-28T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-09-28T00:00:52.710798Z",
            "ended": "2020-05-18T06:03:18.148852Z",
            "start_waiting": "2018-09-28T00:00:44.863304Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-15.png",
            "player_count": 111,
            "ranked": true
        },
        {
            "id": 61537,
            "name": "Correspondence 9x9 RoundRobin 2020-06-06 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260911T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-09-11T19:00:36.178494Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-09-14T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-06-06T19:00:39.899359Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-06T19:01:40.527863Z",
            "ended": "2020-07-20T07:01:46.812173Z",
            "start_waiting": "2020-06-06T19:01:37.906034Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 61583,
            "name": "BRING IT",
            "director": {
                "id": 793153,
                "username": "TheMoonCat",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/033817dae8724d15f67512ca44413299?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1141.5238001639202,
                        "deviation": 212.9492249540827,
                        "volatility": 0.06000612897052796
                    }
                },
                "ranking": 17.981092378421412,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Playing to the death",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 5970,
                "name": "Me&Sam",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-06T21:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-07T18:55:35.482932Z",
            "ended": "2020-09-25T09:22:48.564789Z",
            "start_waiting": "2020-06-07T18:55:35.346067Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 65976,
            "name": "მოსამზადებელი ბლიც ტურნირი 5 ტური",
            "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": "მოსამზადებელი ბლიც ტურნირი 5 ტური",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 2,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "blitz",
                "pause_on_weekends": false,
                "time_increment": 1,
                "initial_time": 120,
                "max_time": 120
            },
            "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": 270,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-28T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-09-28T18:00:33.603167Z",
            "ended": "2020-09-28T18:30:04.465318Z",
            "start_waiting": "2020-09-28T18:00:33.238192Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 58049,
            "name": "Fast Correspondence DDK 2020-04-04",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.8341986334494,
                        "deviation": 62.44546334826878,
                        "volatility": 0.05974674944331501
                    }
                },
                "ranking": 25.43043733747297,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled mainly to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 833,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-04T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-04T00:00:25.537382Z",
            "ended": "2020-05-18T05:06:50.611071Z",
            "start_waiting": "2020-04-04T00:00:21.455152Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 108532,
            "name": "Чат игроков в Го. 9х9 🐉 21.10.23 DE.MO",
            "director": {
                "id": 803169,
                "username": "Tg45",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/d861f559b9c8e292905d8730862d1569-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1441.3681273491745,
                        "deviation": 60.62496634229465,
                        "volatility": 0.06002353246020633
                    }
                },
                "ranking": 23.380337114546005,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "9х9 Live\nСубботний турнир.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 22,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 20,
                "initial_time": 60,
                "max_time": 600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11497,
                "name": "Чат игроков в Го (weiqi, baduk, igo)",
                "summary": "Мы — группа игроков из телеграмм чата «Чат для игроков в Го (weiqi, baduk, igo)». Здесь мы играем между собой и организовываем турниры для игроков всех уровней.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 370,
                "icon": "https://user-uploads.online-go.com/2d3b4fb3fa64f817ed22ed171b88d712-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-21T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-10-21T07:00:06.590394Z",
            "ended": "2023-10-21T07:10:31.802974Z",
            "start_waiting": "2023-10-21T07:00:05.686735Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2d3b4fb3fa64f817ed22ed171b88d712-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 71231,
            "name": "Todos contra todos",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 763.2227067659302,
                        "deviation": 67.82666399931664,
                        "volatility": 0.06059945822311187
                    }
                },
                "ranking": 8.661609751861041,
                "professional": false,
                "ui_class": ""
            },
            "description": "vamos a jugar todos contra todos",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4841,
                "name": "PIPIOLO GO 2022🏆",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 214,
                "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-09T23:36:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-09T23:33:50.503442Z",
            "ended": "2021-02-09T23:50:08.741479Z",
            "start_waiting": "2021-02-09T23:33:50.320111Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}