List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=138
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59982,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=139",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=137",
    "results": [
        {
            "id": 139664,
            "name": "19x19 Open D.E. Cup #172",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1341.4139956380138,
                        "deviation": 70.67033890820467,
                        "volatility": 0.06020932590654408
                    }
                },
                "ranking": 21.71658197056371,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "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": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 76,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-05-10T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-05-06T02:32:40.187347Z",
            "ended": null,
            "start_waiting": "2026-05-06T02:32:40.111301Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 100767,
            "name": "HAPPY GO #13 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2061.883828094472,
                        "deviation": 70.25056169565241,
                        "volatility": 0.05979355003376099
                    }
                },
                "ranking": 31.668668961403064,
                "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": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-03-12T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-12T04:00:57.813937Z",
            "ended": "2023-06-29T07:58:44.562571Z",
            "start_waiting": "2023-03-12T04:00:57.580431Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 140433,
            "name": "GAMBATE 00",
            "director": {
                "id": 1090311,
                "username": "JCYW130360",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c8af27cf67ecdfe2570370a281de62b9?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1234.4099149048252,
                        "deviation": 259.329002559522,
                        "volatility": 0.06000041142207124
                    }
                },
                "ranking": 19.79209413416666,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "9x9 Tablero",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 508,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 14400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 16424,
                "name": "MBA 50 ADS",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/87180b7a54062c14a85927f89aa960c4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-05-21T01:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2026-05-21T01:35:16.152234Z",
            "ended": "2026-05-21T11:12:49.508988Z",
            "start_waiting": "2026-05-21T01:35:15.945444Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/87180b7a54062c14a85927f89aa960c4-15.png",
            "player_count": 25,
            "ranked": true
        },
        {
            "id": 98583,
            "name": "19x19 Open D.E. Cup #4",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1341.4139956380138,
                        "deviation": 70.67033890820467,
                        "volatility": 0.06020932590654408
                    }
                },
                "ranking": 21.71658197056371,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 76,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-15T22:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-13T01:07:15.424368Z",
            "ended": "2024-09-20T07:54:05.110617Z",
            "start_waiting": "2023-01-13T01:07:15.244412Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 123160,
            "name": "Fun tournament",
            "director": {
                "id": 1053363,
                "username": "Dean_Huawei",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/8ba2f57b818d3e60115468503df064a6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 755.1535669003812,
                        "deviation": 66.541419992615,
                        "volatility": 0.060035846864767366
                    }
                },
                "ranking": 8.415554344254035,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 432000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11147,
                "name": "tetris go (match every stones) :D",
                "summary": "play go and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-13T08:00:00Z",
            "players_start": -11,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-13T08:00:53.794938Z",
            "ended": "2025-08-20T00:27:32.708742Z",
            "start_waiting": "2024-12-13T08:00:53.699079Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 140097,
            "name": "HAPPY GO #147 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2061.883828094472,
                        "deviation": 70.25056169565241,
                        "volatility": 0.05979355003376099
                    }
                },
                "ranking": 31.668668961403064,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.\n\nPlease contact nobhaete directly if you have any questions.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "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": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-05-17T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-05-17T04:00:50.159303Z",
            "ended": null,
            "start_waiting": "2026-05-17T04:00:50.053172Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 44040,
            "name": "ქართველების ტურნირი",
            "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": "ორ წაგებაზე გავარდნა",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 60,
            "time_control_parameters": {
                "period_time": 60,
                "main_time": 60,
                "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": "2018-12-26T18:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-26T18:00:18.375007Z",
            "ended": "2018-12-26T18:14:33.200325Z",
            "start_waiting": "2018-12-26T18:00:17.957210Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 114680,
            "name": "HAPPY GO #66 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2061.883828094472,
                        "deviation": 70.25056169565241,
                        "volatility": 0.05979355003376099
                    }
                },
                "ranking": 31.668668961403064,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! 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": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "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": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-14T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-14T04:00:54.716083Z",
            "ended": "2024-07-11T19:02:39.295086Z",
            "start_waiting": "2024-04-14T04:00:54.622441Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 40505,
            "name": "Holliday tournament",
            "director": {
                "id": 517352,
                "username": "firedragon228",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/dffbe0c3a79ea5ac955d9d6714cfef82?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1184.5605838949232,
                        "deviation": 64.14509079683775,
                        "volatility": 0.059997064838914115
                    }
                },
                "ranking": 18.837824195431253,
                "professional": false,
                "ui_class": ""
            },
            "description": "Best of luck and have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "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": 18020,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-12-25T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-12-25T00:00:43.511326Z",
            "ended": "2019-08-17T17:50:37.068525Z",
            "start_waiting": "2018-12-25T00:00:37.741388Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 76,
            "ranked": true
        },
        {
            "id": 93665,
            "name": "syegdgbdxgdbb",
            "director": {
                "id": 1086610,
                "username": "kongmaijia",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/69e533cfcb48227abc4e49ea835ba633-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1117.9413609271853,
                        "deviation": 67.08240119306507,
                        "volatility": 0.06000809495663429
                    }
                },
                "ranking": 17.497833505726167,
                "professional": false,
                "ui_class": ""
            },
            "description": "Bhsbsgbsbgs",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 10,
                "periods": 1
            },
            "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": 18020,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-08-19T09:05:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-08-19T09:05:37.201403Z",
            "ended": "2022-08-19T09:06:18.074593Z",
            "start_waiting": "2022-08-19T09:05:37.009628Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}