List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5987
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60385,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5988",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5986",
    "results": [
        {
            "id": 63941,
            "name": "NEW TOURNAMENT",
            "director": {
                "id": 817585,
                "username": "Thundershot",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/e4d877a7349ad506ca200a65d1d45a46-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1089.9020533838766,
                        "deviation": 70.56728928713258,
                        "volatility": 0.060006099271195074
                    }
                },
                "ranking": 16.90979826159899,
                "professional": false,
                "ui_class": ""
            },
            "description": "cocao tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 120,
                "max_time": 180
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6414,
                "name": "Hot Cocoa",
                "summary": "\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-04T23:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-04T23:00:28.482678Z",
            "ended": "2020-08-04T23:10:48.836685Z",
            "start_waiting": "2020-08-04T23:00:28.202916Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 403,
            "name": "Hikarushindo2010's mini-tournament",
            "director": {
                "id": 5960,
                "username": "Hikarushindo2010",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/fda49cdd7e54e86e10bc8c0ba70c5c00?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1090.838728375607,
                        "deviation": 66.2084782667231,
                        "volatility": 0.0600484376359097
                    }
                },
                "ranking": 16.929685106998882,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "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": 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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-01-07T15:30:00Z",
            "ended": "2008-03-18T20:09:00Z",
            "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": 1351,
            "name": "richard d james is awesome",
            "director": {
                "id": 26447,
                "username": "poiko",
                "country": "no",
                "icon": "https://secure.gravatar.com/avatar/2d0b3c4e49dc84bdbd2f6cd5ac299e4e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1489.6315594605267,
                        "deviation": 69.23309419297124,
                        "volatility": 0.06004020292875947
                    }
                },
                "ranking": 24.142806970065223,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 1209600,
                "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": 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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-03-11T05:40:32Z",
            "ended": "2011-03-11T04:40:32Z",
            "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": 89219,
            "name": "Bots vs Humans 202205131700",
            "director": {
                "id": 1031342,
                "username": "NewHand_Bot",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/231a943c0a9781902371549b12a05456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1975.6918383935774,
                        "deviation": 67.62205433700483,
                        "volatility": 0.06021274884977886
                    }
                },
                "ranking": 30.680131328159977,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "This tournament allows Bot accounts to participate.\n\nPlayers of any rank are welcome.\n\nNo pause on weekends.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 21120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 604800,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6332,
                "name": "noob_bot",
                "summary": "Play with bots",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 885,
                "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-05-13T09:00:00Z",
            "players_start": 5,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-05-13T09:00:48.207513Z",
            "ended": "2023-08-03T11:07:14.291655Z",
            "start_waiting": "2022-05-13T09:00:45.498747Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png",
            "player_count": 18,
            "ranked": true
        },
        {
            "id": 126478,
            "name": "Professional go players",
            "director": {
                "id": 1654661,
                "username": "馮覺亮Albert rip",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/f7c1b2fb86e61213e2b69519d3baee1d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1237.2171179618726,
                        "deviation": 68.73870263238408,
                        "volatility": 0.05999550040776266
                    }
                },
                "ranking": 19.844680368133435,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11548,
                "name": "Weelo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-02T23:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-02T23:00:13.521003Z",
            "ended": "2025-06-23T16:50:57.538884Z",
            "start_waiting": "2025-04-02T23:00:13.346091Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f88b76a2c693e1c013952085cf8b7d14-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 50234,
            "name": "Fast Cor. 9x9 10player R-Robin. Starts when full. Jul'19fD",
            "director": {
                "id": 497519,
                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
                "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.954785564748,
                        "deviation": 61.40997215047312,
                        "volatility": 0.060088015249815864
                    }
                },
                "ranking": 25.432209892698047,
                "professional": false,
                "ui_class": ""
            },
            "description": "---\n- STARTS WHEN FULL & Does NOT pause on the weekend.\n\n- Just one round. Ten players, nine games, Chinese Rules/Scoring.\n\n- If this suits you then, Bonne Partie. :)\n\n- This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the games for your opponents (always with previous notice).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 259200
            },
            "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": 832,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-07-22T13:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-07-20T04:36:51.332411Z",
            "ended": "2019-08-12T13:04:14.669433Z",
            "start_waiting": "2019-07-20T04:36:44.914885Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 36401,
            "name": "04/16/2018",
            "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": "04/16/2018",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 41,
            "time_control_parameters": {
                "period_time": 40,
                "main_time": 120,
                "system": "byoyomi",
                "pause_on_weekends": false,
                "time_control": "byoyomi",
                "periods": 5,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 269,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-04-16T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-04-16T18:05:26.685993Z",
            "ended": "2018-04-16T18:43:48.667902Z",
            "start_waiting": "2018-04-16T18:05:26.039884Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 64854,
            "name": "1 st weekly live tournament",
            "director": {
                "id": 736023,
                "username": "2026vs.",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.4955917779457,
                        "deviation": 63.196335111054026,
                        "volatility": 0.060307009572073786
                    }
                },
                "ranking": 24.754179686665076,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 st weekly tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 194,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-05T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-05T11:07:31.751569Z",
            "ended": "2020-09-06T04:36:11.461355Z",
            "start_waiting": "2020-09-05T11:07:31.652251Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 1038,
            "name": "9x9  mini-tournament",
            "director": {
                "id": 27672,
                "username": "lapiter",
                "country": "fr",
                "icon": "https://secure.gravatar.com/avatar/64d0a433927379e69453a97a3d037ed9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1632.8510908735843,
                        "deviation": 64.62098141082906,
                        "volatility": 0.06003054056346468
                    }
                },
                "ranking": 26.267949387257378,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "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": 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": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-12-29T19:16:53Z",
            "ended": "2009-12-29T18:16:53Z",
            "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": 58404,
            "name": "😜vs😜",
            "director": {
                "id": 736023,
                "username": "2026vs.",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.4955917779457,
                        "deviation": 63.196335111054026,
                        "volatility": 0.060307009572073786
                    }
                },
                "ranking": 24.754179686665076,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9 tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4517,
                "name": "Master players",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 26,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-03T08:30:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-03T09:09:50.755469Z",
            "ended": "2020-04-07T10:56:01.274872Z",
            "start_waiting": "2020-04-03T09:09:50.326407Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        }
    ]
}