List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5457
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60025,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5458",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5456",
    "results": [
        {
            "id": 35622,
            "name": "Learn to play -2",
            "director": {
                "id": 514615,
                "username": "leprechaun69",
                "country": "_Commonwealth",
                "icon": "https://user-uploads.online-go.com/46e4ee605fcdb89d5f74f9e2e056fa7f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1682.2596810069062,
                        "deviation": 64.3048718006205,
                        "volatility": 0.05997075598458425
                    }
                },
                "ranking": 26.958058191050437,
                "professional": false,
                "ui_class": ""
            },
            "description": "Learn to play -2",
            "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": 2229,
                "name": "Learn to play",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/a4752f94167b21c6938417b74bf87152-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-22T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-03-22T09:00:40.822037Z",
            "ended": "2018-04-17T15:33:50.405737Z",
            "start_waiting": "2018-03-22T09:00:40.584335Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a4752f94167b21c6938417b74bf87152-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 107700,
            "name": "Classic W.D.D.T. LXVIX",
            "director": {
                "id": 598257,
                "username": "Lukyn",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1043.2038470007367,
                        "deviation": 64.96511123800879,
                        "volatility": 0.05997200360948492
                    }
                },
                "ranking": 15.896031216566909,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Classic weekly double death tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 47,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-10-01T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-01T23:00:32.794373Z",
            "ended": "2023-12-02T14:51:19.313089Z",
            "start_waiting": "2023-10-01T23:00:32.698770Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 82104,
            "name": "Classic W.D.D.T. XXXIX",
            "director": {
                "id": 598257,
                "username": "Lukyn",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1043.2038470007367,
                        "deviation": 64.96511123800879,
                        "volatility": 0.05997200360948492
                    }
                },
                "ranking": 15.896031216566909,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 47,
                "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-06T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-06T00:00:06.266262Z",
            "ended": "2022-02-03T01:18:58.158110Z",
            "start_waiting": "2021-12-06T00:00:06.082039Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 63177,
            "name": "Summer olympic games.McMahon 2020.(19x19)",
            "director": {
                "id": 776814,
                "username": "Korotrov 19",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/1c0b386e473e055af29bcaff72788ef6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1627.5011666778498,
                        "deviation": 60.69603575167428,
                        "volatility": 0.06006221360900416
                    }
                },
                "ranking": 26.191975476154177,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome to the group stage!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 604800,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18024,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-08-06T18:00:00Z",
            "players_start": 100,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-06T13:45:56.627421Z",
            "ended": "2021-12-14T14:09:43.631192Z",
            "start_waiting": "2020-08-06T13:45:42.374661Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 100,
            "ranked": true
        },
        {
            "id": 34485,
            "name": "Torneo principiantes",
            "director": {
                "id": 507207,
                "username": "BartolomeGalindo",
                "country": "es",
                "icon": "https://secure.gravatar.com/avatar/f1d8d6d2eabd42f74034836907ed5170?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 921.5489297037927,
                        "deviation": 69.64145744240876,
                        "volatility": 0.05999098755047669
                    }
                },
                "ranking": 13.025523694571568,
                "professional": false,
                "ui_class": ""
            },
            "description": "Aprender un poco",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "correspondence",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 32,
                "name": "Spain Go",
                "summary": "Group for spanish people that want to play Go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 419,
                "icon": "https://user-uploads.online-go.com/55563a0bc6005cdf4cde0c413d2c6738-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-02-15T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-02-16T13:17:12.427185Z",
            "ended": "2018-02-25T08:57:15.692119Z",
            "start_waiting": "2018-02-16T13:17:11.464023Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/55563a0bc6005cdf4cde0c413d2c6738-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 136591,
            "name": "9x9 Mini League 10k-25k #364",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1306.9237426171958,
                        "deviation": 70.6250922174681,
                        "volatility": 0.06022005846422356
                    }
                },
                "ranking": 21.113566356963826,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-01-25T20:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-23T09:39:46.332030Z",
            "ended": "2026-03-15T16:05:13.500179Z",
            "start_waiting": "2026-01-23T09:39:46.115115Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 103605,
            "name": "Monthly Tournament: June 2023",
            "director": {
                "id": 1175667,
                "username": "PPProm",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/12507b959b9075059f6e1c43f0f27ba5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 929.5238447430535,
                        "deviation": 66.65390974576505,
                        "volatility": 0.060037795123986826
                    }
                },
                "ranking": 13.224997673087842,
                "professional": false,
                "ui_class": ""
            },
            "description": "Monthly Tournament of the โ€œOnline Go - OGSโ€ Group๐Ÿ”ฅ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 604800,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13102,
                "name": "Online Go - OGS",
                "summary": "Welcome to group โ€œOnline Go - OGSโ€\n\nHave fun๐Ÿ˜Š๐Ÿ˜Š",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 59,
                "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-01T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-01T01:00:59.269733Z",
            "ended": "2024-04-12T16:45:25.574984Z",
            "start_waiting": "2023-06-01T01:00:58.889976Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e8402476d566b538e57657b59dc9f91d-15.png",
            "player_count": 25,
            "ranked": true
        },
        {
            "id": 110906,
            "name": "9x9 แƒขแƒฃแƒ แƒœแƒ˜แƒ แƒ˜",
            "director": {
                "id": 1214291,
                "username": "zaurodisharia",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/71bf1bbf1d7e8d3af272717e29df91ec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1181.5693709140248,
                        "deviation": 63.677338663196,
                        "volatility": 0.060003762478435176
                    }
                },
                "ranking": 18.77929265344566,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 แƒขแƒฃแƒ แƒœแƒ˜แƒ แƒ˜ แƒžแƒแƒ แƒแƒกแƒ™แƒ”แƒแƒ‘แƒ˜แƒ— 22 แƒกแƒแƒแƒ—แƒ–แƒ”",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 9,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "blitz",
                "pause_on_weekends": false,
                "time_increment": 3,
                "initial_time": 180,
                "max_time": 180
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - แƒกแƒแƒฅแƒแƒ แƒ—แƒ•แƒ”แƒšแƒแƒก แƒ’แƒแƒก แƒคแƒ”แƒ“แƒ”แƒ แƒแƒชแƒ˜แƒ",
                "summary": "แƒกแƒแƒฅแƒแƒ แƒ—แƒ•แƒ”แƒšแƒแƒก แƒ’แƒแƒก แƒคแƒ”แƒ“แƒ”แƒ แƒแƒชแƒ˜แƒ˜แƒก แƒฏแƒ’แƒฃแƒคแƒจแƒ˜ แƒ’แƒแƒฌแƒ”แƒ•แƒ แƒ˜แƒแƒœแƒ”แƒ‘แƒ แƒจแƒ”แƒฃแƒซแƒšแƒ˜แƒแƒ— แƒ›แƒฎแƒแƒšแƒแƒ“ แƒกแƒแƒฅแƒแƒ แƒ—แƒ•แƒ”แƒšแƒแƒก  แƒ›แƒแƒฅแƒแƒšแƒแƒฅแƒ”แƒ”แƒ‘แƒก, แƒ แƒแƒ›แƒšแƒ”แƒ‘แƒ˜แƒช แƒ“แƒแƒ แƒ”แƒ’แƒ˜แƒกแƒขแƒ แƒ˜แƒ แƒ”แƒ‘แƒฃแƒšแƒ”แƒ‘แƒ˜ แƒแƒ แƒ˜แƒแƒœ แƒแƒ› แƒกแƒแƒ˜แƒขแƒ–แƒ” แƒ“แƒ แƒžแƒ แƒแƒคแƒ˜แƒšแƒจแƒ˜ แƒ›แƒ˜แƒ—แƒ˜แƒ—แƒ”แƒ‘แƒฃแƒšแƒ˜ แƒแƒฅแƒ•แƒ— แƒกแƒแƒฎแƒ”แƒšแƒ˜ แƒ“แƒ แƒ’แƒ•แƒแƒ แƒ˜.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 269,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-22T18:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-12-22T18:30:02.464769Z",
            "ended": "2023-12-22T19:04:25.654699Z",
            "start_waiting": "2023-12-22T18:30:02.360807Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 30700,
            "name": "[Round Tournament] 19x19 Rolling Rounds 25-15 kyu",
            "director": {
                "id": 473690,
                "username": "Train_Guy",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/e63e0951bf6a636d6d03327a504770e1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Time to make more rounds and segments! Have a nice play",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1820,
                "name": "Rolling Rounds",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/3659eee2babfb4ba9936d6c280685c42-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-10-07T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-10-07T03:25:52.345668Z",
            "ended": "2018-02-16T13:28:37.849774Z",
            "start_waiting": "2017-10-07T03:25:49.088295Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3659eee2babfb4ba9936d6c280685c42-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 34614,
            "name": "Our First",
            "director": {
                "id": 510929,
                "username": "Nyra1012",
                "country": "ca",
                "icon": "https://secure.gravatar.com/avatar/fc3eab1059574f0081f5f80f658547d4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1690.0760872886078,
                        "deviation": 210.08853012935893,
                        "volatility": 0.0599999784042308
                    }
                },
                "ranking": 27.065372611611288,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "nghjjdhkkgjj",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 240,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "live",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 240
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2194,
                "name": "The GO Group",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "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": "2018-02-16T15:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-02-16T14:21:31.419753Z",
            "ended": "2018-02-16T14:26:31.818240Z",
            "start_waiting": "2018-02-16T14:21:31.224383Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}