List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=378
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60209,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=379",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=377",
    "results": [
        {
            "id": 73429,
            "name": "Review and improve tournament !",
            "director": {
                "id": 905634,
                "username": "Picpus",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/ae53fc5baabeaee99c084f18ecb6a7c2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1000.5029880120107,
                        "deviation": 66.37330808530398,
                        "volatility": 0.05987101478818402
                    }
                },
                "ranking": 14.928506174460457,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello\nA tournament for 20/9 Kyu players with a quite fast byo yomi 2 days clock.\nSpecial focus on reviewing games in order to improve our level: we should feel free to comment our opponent mistakes at the end of the game.\nFair play, reviewing, and fun are the words!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 0,
                "period_time": 172800,
                "periods": 2
            },
            "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": 18038,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-12T09:00:00Z",
            "players_start": 20,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-12T09:00:20.280050Z",
            "ended": "2021-12-06T12:23:12.667706Z",
            "start_waiting": "2021-04-12T09:00:19.803258Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 29,
            "ranked": true
        },
        {
            "id": 61599,
            "name": "9x9 tournament, let's see who can survive!",
            "director": {
                "id": 772773,
                "username": "Omar_Ramirez",
                "country": "mx",
                "icon": "https://secure.gravatar.com/avatar/cc6e7201895242bdb1f4da007d65c46e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 852.0223343079039,
                        "deviation": 62.61027100632482,
                        "volatility": 0.060096714877981634
                    }
                },
                "ranking": 11.209565162702644,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament just to lean and get a feeling for the game.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 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": 18038,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-06-14T08:00:00Z",
            "players_start": 10,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-14T08:00:12.224550Z",
            "ended": "2020-08-10T16:16:42.641546Z",
            "start_waiting": "2020-06-14T08:00:11.385029Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 40984,
            "name": "Lions 19 - November 2018",
            "director": {
                "id": 557899,
                "username": "๐Ÿฆ Lvicala ๐Ÿฆ",
                "country": "cz",
                "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1215.5307681865688,
                        "deviation": 63.83387610820817,
                        "volatility": 0.060058613626475424
                    }
                },
                "ranking": 19.435301089469824,
                "professional": false,
                "ui_class": ""
            },
            "description": "19 x 19",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44160,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 172800,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2773,
                "name": "Lions",
                "summary": "for all fighters like lion :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-11-01T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-11-01T20:00:36.985567Z",
            "ended": "2019-05-29T19:32:46.967930Z",
            "start_waiting": "2018-11-01T20:00:34.856758Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 102830,
            "name": "please join",
            "director": {
                "id": 1333360,
                "username": "1wuryd",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/09df0c62018124939bfa3b81283f554c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1127.6000700937311,
                        "deviation": 162.59080438930707,
                        "volatility": 0.0600029206577095
                    }
                },
                "ranking": 17.696984136456305,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "a tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "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": false,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1791,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-02T22:25:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-10-15T15:04:35.425109Z",
            "ended": "2023-10-15T15:15:03.190580Z",
            "start_waiting": "2023-10-15T15:04:35.366745Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 118999,
            "name": "If only one person wins, itโ€™s a trophy",
            "director": {
                "id": 1612250,
                "username": "deleted-72b3a34e-0a70-4676-8d4e-7cff39a4ce78",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/cfab40325b18e44b4d80a3efb6c18154-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1232.496455124217,
                        "deviation": 72.77010003264768,
                        "volatility": 0.060026331200338984
                    }
                },
                "ranking": 19.756181459617906,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament Recommendations\n\n1. One movement per day is recommended. \n\n2. It is recommended not to use AI. \n\n3. We recommend that you enjoy playing Baduk regardless of whether you win or lose.\n\nThis is the YouTube channel I run \n\nhttps://www.youtube.com/@MugHyang-zi5jj",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17280,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 0,
                "period_time": 172800,
                "stones_per_period": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14544,
                "name": "MugHyang",
                "summary": "ํ† ๋„ˆ๋จผํŠธ๊ฐ€ ๋ฌด๋ฃŒ๋ผ๋‹ˆ ์ •๋ง ๋†€๋ž์ฃ .\n๋ณธ ํ† ๋„ˆ๋จผํŠธ๋Š” ์บ๋‚˜๋‹ค๋ฐฉ์‹์œผ๋กœ ์ฒ˜์Œ์— ์‹œ๊ฐ„ ์—†๊ณ  2 ์ผ ์ œํ•œ ์‹œ๊ฐ„์ด 2 ๊ฐœ์˜ ๋Œ๋งˆ๋‹ค ๋”ฐ๋ผ์˜ด. \n์ฃผ๋ง์—๋Š” ์‹œ๊ณ„๊ฐ€ ๋ฉˆ์ถค.\n\nํ† ๋„ˆ๋จผํŠธ ๊ถŒ์žฅ ์‚ฌํ•ญ\n\n1.ํ•˜๋ฃจ์— ํ•˜๋‚˜์˜ ์›€์ง์ž„์„ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.\n2.Ai๋Š” ์‚ฌ์šฉ ํ•˜์ง€ ์•Š๋Š”๊ฑธ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.\n3.์ŠนํŒจ๋ฅผ ๋– ๋‚˜ ๋ฐ”๋‘‘์„ ์ฆ๊ธฐ์‹œ๊ธธ ๊ถŒ์žฅํ•ฉ๋‹ˆ๋‹ค.\n\n์ œ๊ฐ€ ์šด์˜ํ•˜๋Š” ์œ ํŠœ๋ธŒ ์ฒด๋„์ž…๋‹ˆ๋‹ค\nhttps://www.youtube.com/@MugHyang-zi5jj",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/1ad256309ff9082e7c1a1b27b659decf-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-08-11T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-08-10T14:44:07.991888Z",
            "ended": "2024-08-15T04:55:24.905553Z",
            "start_waiting": "2024-08-10T14:44:07.806089Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1ad256309ff9082e7c1a1b27b659decf-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 140264,
            "name": "Level up together # 1",
            "director": {
                "id": 2012745,
                "username": "yenchiu",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/4aebac277138eb98fa18277085d842b7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 954.7639636328142,
                        "deviation": 72.72839623893566,
                        "volatility": 0.06005324040455636
                    }
                },
                "ranking": 13.845225326663126,
                "professional": false,
                "ui_class": ""
            },
            "description": "7-Day Fixed Time Limit 19ร—19 Swissโ€‘System Correspondence Tournament (Levels 20โ€‘9)",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16430,
                "name": "Level up together",
                "summary": "Good good game, day day up!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/19cf56473af5edcebdc93a3a95613fd9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-05-25T10:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 11,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-05-25T10:00:16.627886Z",
            "ended": null,
            "start_waiting": "2026-05-25T10:00:16.458888Z",
            "board_size": 19,
            "active_round": 4,
            "icon": "https://user-uploads.online-go.com/19cf56473af5edcebdc93a3a95613fd9-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 77228,
            "name": "AdaBeoVision",
            "director": {
                "id": 154786,
                "username": "Samurai T",
                "country": "rs",
                "icon": "https://user-uploads.online-go.com/fc8655823be3f2eafe135fa4e85b86bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 818.8773224936517,
                        "deviation": 71.59130532023562,
                        "volatility": 0.059789245194351616
                    }
                },
                "ranking": 10.291008878206187,
                "professional": false,
                "ui_class": ""
            },
            "description": "This friendly tournament is for all people who likes go and have no much time to practice. This Tempo allow to analyzing and learning. Enjoy!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 177,
                "name": "GO Beginners",
                "summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 258,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-08T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 12,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-08T11:44:17.591072Z",
            "ended": "2021-09-01T11:18:18.552024Z",
            "start_waiting": "2021-07-08T11:44:17.445055Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2026,
            "name": "Koworu's mini-tournament",
            "director": {
                "id": 18317,
                "username": "Koworu",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fc50c6bedbf20e687f14e33c1ed34eb0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1751.1741032696373,
                        "deviation": 63.61724873998119,
                        "volatility": 0.059966677759709666
                    }
                },
                "ranking": 27.88749692120436,
                "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": 604800,
                "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": 385,
                "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": 17,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-02-11T11:41:24Z",
            "ended": "2013-02-11T10:41:24Z",
            "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": 113943,
            "name": "๐Ÿงญ GPS Expo 361, C Class",
            "director": {
                "id": 1252765,
                "username": "KatNoire",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d798a462581639c7be0f220400b2b60f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1474.1058774576727,
                        "deviation": 63.78024967595756,
                        "volatility": 0.05995328684214665
                    }
                },
                "ranking": 23.900259960522494,
                "professional": false,
                "ui_class": ""
            },
            "description": "Swiss format. Ranks 17kyu-9kyu welcome, provisional not included. No handicap. Paused on weekends.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46619,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 432000,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13341,
                "name": "Go Petrologic Survey",
                "summary": "The bedrock of locating liveable landscapes",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/cb0c03c5aa13049379d23a6b93516231-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-04T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 13,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-04T10:00:43.606256Z",
            "ended": "2025-03-18T16:35:20.480952Z",
            "start_waiting": "2024-04-04T10:00:43.423594Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cb0c03c5aa13049379d23a6b93516231-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 102561,
            "name": "Elimanation tournament",
            "director": {
                "id": 1333360,
                "username": "1wuryd",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/09df0c62018124939bfa3b81283f554c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1127.6000700937311,
                        "deviation": 162.59080438930707,
                        "volatility": 0.0600029206577095
                    }
                },
                "ranking": 17.696984136456305,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Tournament for begginers",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 90,
                "periods": 5
            },
            "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": 18038,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-04-29T23:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-26T07:28:16.966789Z",
            "ended": "2024-11-26T08:02:06.020638Z",
            "start_waiting": "2024-11-26T07:28:16.895701Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}