List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=5257
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59890,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=5258",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=5256",
    "results": [
        {
            "id": 131827,
            "name": "Beginner tournament 116",
            "director": {
                "id": 1646800,
                "username": "Art_Go",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d09843def420533835408ba0e61d9430?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1388.2155831565826,
                        "deviation": 61.720186774149184,
                        "volatility": 0.06001150475404504
                    }
                },
                "ranking": 22.5105086987562,
                "professional": false,
                "ui_class": ""
            },
            "description": "Beginner tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "time_per_move": 133703,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 518400,
                "period_time": 129600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8900,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-09-06T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-09-06T11:00:15.632649Z",
            "ended": "2026-05-06T05:25:42.786477Z",
            "start_waiting": "2025-09-06T11:00:15.514835Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 94232,
            "name": "Beginner tournament",
            "director": {
                "id": 771732,
                "username": "Flowflo98",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/23b1ecb5cd26f069ce59d9e534d708ac?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 654.7428172159429,
                        "deviation": 72.40362634865153,
                        "volatility": 0.05974829734382447
                    }
                },
                "ranking": 5.112544398296415,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is a beginner tournament. I hope everyone will have fun while playing.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_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": 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": 18004,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-09-10T12:00:00Z",
            "players_start": 20,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-10T12:00:16.486388Z",
            "ended": "2024-08-28T13:48:01.797019Z",
            "start_waiting": "2022-09-10T12:00:15.249726Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 89197,
            "name": "Beginner tournament",
            "director": {
                "id": 1148221,
                "username": "MADDOX3721",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/d91ced7bb66e6ea64d74fecacdef6aaf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1226.286835499406,
                        "deviation": 172.9304827887127,
                        "volatility": 0.06000362772429597
                    }
                },
                "ranking": 19.63925126858768,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "This tournament will help beginner get better and have matches against people there level",
            "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": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8900,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-25T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-18T18:56:47.659335Z",
            "ended": "2023-01-20T14:44:41.639187Z",
            "start_waiting": "2022-08-18T18:56:47.541798Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 1148,
            "name": "Beginner to Amateur 9x9 Mini-Tournament",
            "director": {
                "id": 32288,
                "username": "LeeMorikawa",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/54c732f3d2a5ee4ddefd369b9ac7af4b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1499.8684911928542,
                        "deviation": 64.49933077667654,
                        "volatility": 0.05998095533514081
                    }
                },
                "ranking": 24.3013524739113,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 384,
                "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": 0,
            "max_ranking": 13,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-06-04T07:59:21Z",
            "ended": "2010-06-04T05:59:21Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1129,
            "name": "Beginner to Amateur 19x19 Mini-Tournament",
            "director": {
                "id": 32288,
                "username": "LeeMorikawa",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/54c732f3d2a5ee4ddefd369b9ac7af4b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1499.8684911928542,
                        "deviation": 64.49933077667654,
                        "volatility": 0.05998095533514081
                    }
                },
                "ranking": 24.3013524739113,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 384,
                "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": 0,
            "max_ranking": 13,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-10-10T02:48:22Z",
            "ended": "2010-10-10T00:48:22Z",
            "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": 1146,
            "name": "Beginner to Amateur 13x13 Mini-Tournament",
            "director": {
                "id": 32288,
                "username": "LeeMorikawa",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/54c732f3d2a5ee4ddefd369b9ac7af4b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1499.8684911928542,
                        "deviation": 64.49933077667654,
                        "volatility": 0.05998095533514081
                    }
                },
                "ranking": 24.3013524739113,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 384,
                "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": 0,
            "max_ranking": 13,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-07-05T06:01:40Z",
            "ended": "2010-07-05T04:01:40Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1454,
            "name": "Beginner to 20kyu even 19s",
            "director": {
                "id": 32675,
                "username": "mayukoto",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/3c9ce2f2ab3dd80ae66f119f5ccd00ec?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1521.9718006912854,
                        "deviation": 64.71261053466733,
                        "volatility": 0.06006877590886828
                    }
                },
                "ranking": 24.64002076296505,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 864000,
                "time_increment": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 384,
                "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": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-08-08T15:37:13Z",
            "ended": "2011-08-08T13:37:13Z",
            "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": 45468,
            "name": "Beginner mid-February 9x9 challenge",
            "director": {
                "id": 600584,
                "username": "cleinias",
                "country": "_Klingon",
                "icon": "https://user-uploads.online-go.com/6f11943291d925541b777dc75bb26e22-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1083.363560027686,
                        "deviation": 64.13535361989959,
                        "volatility": 0.059977499170969555
                    }
                },
                "ranking": 16.770499524278822,
                "professional": false,
                "ui_class": ""
            },
            "description": "McMahon 9x9 tournament with \"fast correspondence\" timing. Expect to play two well-spaced moves a day.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8900,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-02-16T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-02-16T00:00:57.956907Z",
            "ended": "2019-03-24T12:19:04.654458Z",
            "start_waiting": "2019-02-16T00:00:56.872733Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 10756,
            "name": "Beginner Tournament 9x9",
            "director": {
                "id": 173621,
                "username": "Nysenox",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/9acd37d99ce1acbf36a79f2d9e16d3f1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1295.8397666043227,
                        "deviation": 211.7641210236478,
                        "volatility": 0.06000172511362026
                    }
                },
                "ranking": 20.916394700813203,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "only 25k - 15k",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 18004,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-09-18T17:30:00Z",
            "players_start": 16,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-09-20T12:33:26.549415Z",
            "ended": "2016-02-22T05:56:44.966021Z",
            "start_waiting": "2015-09-20T12:33:26.338086Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 82345,
            "name": "Beginner Tournament (Double Digit Kyu) 19x19 Correspondence",
            "director": {
                "id": 665775,
                "username": "Behanix",
                "country": "no",
                "icon": "https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 918.1130851378354,
                        "deviation": 64.00226405714763,
                        "volatility": 0.05997268229676274
                    }
                },
                "ranking": 12.93905140396409,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Let's have a chill tourney! Noobs only!",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "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": 18004,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-17T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-17T19:00:19.321597Z",
            "ended": "2022-12-23T01:12:35.434268Z",
            "start_waiting": "2021-11-17T19:00:18.874788Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 35,
            "ranked": true
        }
    ]
}