List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=669
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59726,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=670",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=668",
    "results": [
        {
            "id": 102636,
            "name": "CHEERFUL GO #10 Single Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1957.312065383124,
                        "deviation": 72.80278955896834,
                        "volatility": 0.05982775013549158
                    }
                },
                "ranking": 30.463759896515374,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-04T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-05-04T04:00:57.812536Z",
            "ended": "2023-07-20T04:07:21.194058Z",
            "start_waiting": "2023-05-04T04:00:57.699980Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 99738,
            "name": "HAPPY GO #10",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1957.312065383124,
                        "deviation": 72.80278955896834,
                        "volatility": 0.05982775013549158
                    }
                },
                "ranking": 30.463759896515374,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "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": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-19T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-19T04:00:13.148639Z",
            "ended": "2023-06-01T04:41:26.849449Z",
            "start_waiting": "2023-02-19T04:00:12.948748Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 99473,
            "name": "HAPPY GO #9",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1957.312065383124,
                        "deviation": 72.80278955896834,
                        "volatility": 0.05982775013549158
                    }
                },
                "ranking": 30.463759896515374,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-02-12T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-09T21:56:18.143685Z",
            "ended": "2023-08-02T14:33:32.717284Z",
            "start_waiting": "2023-02-09T21:56:17.866325Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 20,
            "ranked": true
        },
        {
            "id": 54315,
            "name": "2nd 3 Kyu to 3 Dan Tournament",
            "director": {
                "id": 550568,
                "username": "azealer",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/f34dc51a56dda3f21db66d1e25ac924f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1808.4038936368593,
                        "deviation": 62.00687633921508,
                        "volatility": 0.06003232653801184
                    }
                },
                "ranking": 28.631958102825116,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please join any 3 kyu to 3 dan and have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "korean",
            "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": 17974,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-12-06T16:00:00Z",
            "players_start": 20,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 27,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-12-06T16:00:45.770439Z",
            "ended": "2021-06-11T05:21:59.497920Z",
            "start_waiting": "2019-12-06T16:00:33.910292Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 35,
            "ranked": true
        },
        {
            "id": 97518,
            "name": "高级初段比赛",
            "director": {
                "id": 591776,
                "username": "Liu Han 汉",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/fb38c464e77bb7626859d415b4845935-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1214.7759921484173,
                        "deviation": 64.9194120588266,
                        "volatility": 0.05995989624304963
                    }
                },
                "ranking": 19.420921780544585,
                "professional": false,
                "ui_class": ""
            },
            "description": "大家接触切磋下",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12420,
                "name": "刘氏棋手 刘氏家族",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://user-uploads.online-go.com/fb38c464e77bb7626859d415b4845935-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-13T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 20,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-13T10:00:20.297524Z",
            "ended": "2023-02-10T10:36:08.258546Z",
            "start_waiting": "2022-12-13T10:00:20.174833Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fb38c464e77bb7626859d415b4845935-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 113206,
            "name": "囲碁大会\\^_^/",
            "director": {
                "id": 1470605,
                "username": "コビー大佐",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/0d3eeb73d3a223e7c934d52715fa8233-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1152.2780303362724,
                        "deviation": 64.84780508577205,
                        "volatility": 0.06056773556265623
                    }
                },
                "ranking": 18.19816627672791,
                "professional": false,
                "ui_class": ""
            },
            "description": "good luck all",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14054,
                "name": "院生の碁",
                "summary": "院生の碁!",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/ca04995cda0b3d01c5a595ca0fafb383-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-03-01T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2024-03-01T12:00:31.079884Z",
            "ended": "2024-05-21T07:09:54.465112Z",
            "start_waiting": "2024-03-01T12:00:30.563511Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ca04995cda0b3d01c5a595ca0fafb383-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 44396,
            "name": "Tournament 49",
            "director": {
                "id": 12573,
                "username": "Misawa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 977.5796256115817,
                        "deviation": 69.02183474866371,
                        "volatility": 0.05986671976150141
                    }
                },
                "ranking": 14.391926363316212,
                "professional": false,
                "ui_class": ""
            },
            "description": "Happy New Year! This should have started on New Years Eve, but I was traveling and forgot to set it up. This is our first tournament of the year so everyone jump in! Please notice I’m experimenting with a new time structure. Moves only gain you 12 hours time, but I did allow the time to pause on weekends. Hopefully this will allow the tournament to go a little faster, without adding stress. Let me know what you think. Happy Go everyone!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 48000,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 432000,
                "time_increment": 43200,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 590,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-15T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-01-15T21:00:44.272130Z",
            "ended": "2020-05-05T17:08:14.000870Z",
            "start_waiting": "2019-01-15T21:00:24.813485Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 63,
            "ranked": true
        },
        {
            "id": 100100,
            "name": "GLAD GO #2",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1957.312065383124,
                        "deviation": 72.80278955896834,
                        "volatility": 0.05982775013549158
                    }
                },
                "ranking": 30.463759896515374,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, please contact nobhaete.\n\nSwiss tournaments every two weeks.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 72,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-01T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-01T04:00:42.261189Z",
            "ended": "2023-05-31T22:14:25.475295Z",
            "start_waiting": "2023-03-01T04:00:42.050561Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 106326,
            "name": "Mid-Speed Practice (19x19) #1",
            "director": {
                "id": 1341412,
                "username": "match_Mid-Speed.gr",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.8814751249,
                        "deviation": 94.41219595830631,
                        "volatility": 0.060012300603352955
                    }
                },
                "ranking": 26.564207163029423,
                "professional": false,
                "ui_class": ""
            },
            "description": "<h2>Rules</h2>\n\n<ul>\n\n\n<li>Time-out twice in a tournament, Pausing or Vacation setting is looked on as resigning all the rest games, resulting in \"Lost by Disqualified\".</li>\n\n</ul>",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 29484,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 86400,
                "period_time": 86400,
                "stones_per_period": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12936,
                "name": "Mid-speed",
                "summary": "Middle speed matches, not so hurry, not so slow.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-18T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-18T10:00:29.763533Z",
            "ended": "2023-08-26T22:21:14.632352Z",
            "start_waiting": "2023-08-18T10:00:29.634665Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 80395,
            "name": "툐냐먄튜 댜햐",
            "director": {
                "id": 925993,
                "username": "asiaone0608",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/996bbffd64e3779930a6f0eff70ca373?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "툐냐먄튜 댜햐",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 121,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 120,
                "initial_time": 120,
                "max_time": 3000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9600,
                "name": "emma,spencer",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-09-25T05:10:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 7,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-08T02:45:28.980377Z",
            "ended": "2021-10-08T02:55:34.057746Z",
            "start_waiting": "2021-10-08T02:45:28.891321Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}