List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=640
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60370,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=641",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=639",
    "results": [
        {
            "id": 115497,
            "name": "Everyone allowed tournament (beneath 1kyu)",
            "director": {
                "id": 1265911,
                "username": "WillZ",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/57b72eb841ee2184293939760d71a983-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1647.4912107018076,
                        "deviation": 67.6728804343012,
                        "volatility": 0.059934250425532735
                    }
                },
                "ranking": 26.4745869836504,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck! And have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 37,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13797,
                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 496,
                "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-04-28T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-13T06:34:04.463325Z",
            "ended": "2024-05-13T07:59:33.059645Z",
            "start_waiting": "2024-05-13T06:34:04.341846Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 1711,
            "name": "jelinekm's mini-tournament",
            "director": {
                "id": 36272,
                "username": "jelinekm",
                "country": "cz",
                "icon": "https://secure.gravatar.com/avatar/d83cb77bb04ea24aad95a12fd49615ff?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1530.356406767581,
                        "deviation": 65.82325406910715,
                        "volatility": 0.059950990103946666
                    }
                },
                "ranking": 24.767205066680354,
                "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": 864000,
                "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": 9,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-06-21T14:17:37Z",
            "ended": "2012-06-21T12:17:37Z",
            "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": 22955,
            "name": "Beginner's Tournament",
            "director": {
                "id": 394426,
                "username": "13RAiN17",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/4750dc5cc067be2683d0c548f6bfad2a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1123.0398848547989,
                        "deviation": 85.55493833364629,
                        "volatility": 0.060037222706568444
                    }
                },
                "ranking": 17.60317221197202,
                "professional": false,
                "ui_class": ""
            },
            "description": "A friendly tournament for beginners.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 604800,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1373,
                "name": "10 Rank Range Events",
                "summary": "A group where events are held at 10 rank intervals (e.g. 30-21 kyu; 20-11 kyu).",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/94c484cac7edb07c8ac142cee7ef277e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-01-07T18:00:00Z",
            "players_start": 16,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 9,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-01-09T15:38:41.034450Z",
            "ended": "2017-08-07T03:06:46.608602Z",
            "start_waiting": "2017-01-09T15:38:40.595190Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/94c484cac7edb07c8ac142cee7ef277e-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 2086,
            "name": "Fast 9s",
            "director": {
                "id": 40478,
                "username": "Stanic",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ec8173b2433180a980be2b052846d860?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1092.8051630458729,
                        "deviation": 68.22353892298294,
                        "volatility": 0.06000980987471577
                    }
                },
                "ranking": 16.971379611401503,
                "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": "simple",
                "per_move": 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": 4,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-01-13T19:55:22Z",
            "ended": "2013-01-13T18:55:22Z",
            "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": 98213,
            "name": "28th Feb game 1.5day/step",
            "director": {
                "id": 1040579,
                "username": "Squirrelder松鼠長老",
                "country": "tw",
                "icon": "https://user-uploads.online-go.com/d3f23d9e084effcc318f1e7a29013710-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1268.4124181191182,
                        "deviation": 62.524152031199904,
                        "volatility": 0.05991448990389266
                    }
                },
                "ranking": 20.42114907988804,
                "professional": false,
                "ui_class": ""
            },
            "description": "For everyone who like to join this game. Just for fun",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 129600,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 129600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11838,
                "name": "蕭兔孽徒團 (Xiao Tu Legion)",
                "summary": "本群是黑嘉嘉成人班學員們在OGS開的社團,歡迎其他人加入社團一起交流。\nWe are students from Hei Jiajia Online Course in Taiwan, We are also welcome player around the world.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 327,
                "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-27T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-02-27T22:00:25.823699Z",
            "ended": "2024-09-02T23:11:19.141689Z",
            "start_waiting": "2023-02-27T22:00:24.062074Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 1710,
            "name": "Julko's mini-tournament VII",
            "director": {
                "id": 15530,
                "username": "Julko",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 840.9254122346891,
                        "deviation": 67.85718037927491,
                        "volatility": 0.05926866276317078
                    }
                },
                "ranking": 10.906073899268563,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "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": 3,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-09-28T00:00:32Z",
            "ended": "2012-09-27T22:00:32Z",
            "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": 92300,
            "name": "Kyu battle!",
            "director": {
                "id": 940672,
                "username": "Yui_Chit",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/64c6a9c7efc232fff77bcfc11a09a4c9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1108.1637898048266,
                        "deviation": 61.10645431605425,
                        "volatility": 0.06013323646958137
                    }
                },
                "ranking": 17.294471838835324,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is the grand tournament for kyu players! Everyone is welcome!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "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": 18069,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-08-30T16:00:00Z",
            "players_start": 10,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-30T16:00:28.760945Z",
            "ended": null,
            "start_waiting": "2022-08-30T16:00:24.503405Z",
            "board_size": 19,
            "active_round": 8,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 65,
            "ranked": true
        },
        {
            "id": 1709,
            "name": "beondhuman's mini-tournament",
            "director": {
                "id": 6757,
                "username": "beondhuman",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/6c1e55ec7c43dc51a37472ddcbd756fb?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 911.6834963787938,
                        "deviation": 77.26184502099316,
                        "volatility": 0.059988892189128756
                    }
                },
                "ranking": 12.776360541083212,
                "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": "2012-01-23T22:02:55Z",
            "ended": "2012-01-23T21:02:55Z",
            "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": 1708,
            "name": "OGS Guanabara",
            "director": {
                "id": 39705,
                "username": "RicardoSS",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/3e98e14b6d78c9c77f4a1b83403816f5-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1373.6760184907394,
                        "deviation": 76.37089042383647,
                        "volatility": 0.060034318475352545
                    }
                },
                "ranking": 22.266767031832742,
                "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": 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": "2012-06-18T23:07:20Z",
            "ended": "2012-06-18T21:07:20Z",
            "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": 1707,
            "name": "Elwood's Xmas 12-22 kyo 19x19 kyo mini-tournament",
            "director": {
                "id": 40359,
                "username": "Elwood",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/5a24ea3937cf3cda515454b09f053d9f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2005.232567441011,
                        "deviation": 67.56553683899051,
                        "volatility": 0.059919315219865515
                    }
                },
                "ranking": 31.023710035268294,
                "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": 8,
            "max_ranking": 18,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-08-11T16:26:26Z",
            "ended": "2012-08-11T14:26:26Z",
            "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
        }
    ]
}