List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=130
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60087,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=131",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=129",
    "results": [
        {
            "id": 121488,
            "name": "1 tour-noix !",
            "director": {
                "id": 1269895,
                "username": "Cybèle",
                "country": "150",
                "icon": "https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 863.8335028553679,
                        "deviation": 65.98550318269317,
                        "volatility": 0.060476089188204726
                    }
                },
                "ranking": 11.528278267512311,
                "professional": false,
                "ui_class": ""
            },
            "description": "un tournoi pour les 15-25k pour qu'on ai enfin une chance de gagner 🤣\nBonne chance et bonne partie",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 95,
                "name": "France Go Players",
                "summary": "Le groupe pour les joueurs français!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1311,
                "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-10-26T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-26T13:57:02.370793Z",
            "ended": "2025-02-21T16:45:57.814659Z",
            "start_waiting": "2024-10-26T13:57:02.025947Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 37395,
            "name": "TOURNAMENT N°5 !",
            "director": {
                "id": 534599,
                "username": "Iave0Name",
                "country": "_GoT_Stark",
                "icon": "https://secure.gravatar.com/avatar/91cb163f0e5c546fa01ace3fdbcb226a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1209.3091762574272,
                        "deviation": 264.382219308946,
                        "volatility": 0.060000861574359916
                    }
                },
                "ranking": 19.316505480258684,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "The fifth tournament of the group in real time, join it !",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 90,
                "max_time": 180,
                "time_increment": 10,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2471,
                "name": "[NEW ADMINISTRATORS]",
                "summary": "[25-15k] This group is reserved for European beginners.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 81,
                "icon": "https://user-uploads.online-go.com/1d47f636cfa91703d5cba928c061e197-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-05-19T16:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-05-19T16:30:15.693695Z",
            "ended": "2018-05-19T17:35:10.196257Z",
            "start_waiting": "2018-05-19T16:30:15.218847Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1d47f636cfa91703d5cba928c061e197-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 107035,
            "name": "Kranj 37",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 789.792021382491,
                        "deviation": 64.86396886901105,
                        "volatility": 0.059924389565863295
                    }
                },
                "ranking": 9.453797542761778,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-09-04T15:30:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-04T15:30:11.391801Z",
            "ended": "2024-02-04T00:51:12.569108Z",
            "start_waiting": "2023-09-04T15:30:11.282224Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 16154,
            "name": "Correspondence Round Robin 19x19 20k-15k",
            "director": {
                "id": 101851,
                "username": "Wulfenia.",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/6a8db8634f80d330709dbfcf5eb52c53-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1673.9396835392938,
                        "deviation": 62.174479381749286,
                        "volatility": 0.060391616981561626
                    }
                },
                "ranking": 26.84328054228324,
                "professional": false,
                "ui_class": ""
            },
            "description": "Tournament for 10 players between 20kyu and 15 kyu. Every player plays each other player simultaneously in a correspondence game.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "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": true,
            "time_start": "2016-03-31T21:49:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-03-31T21:49:21.176657Z",
            "ended": "2016-10-08T14:47:34.965710Z",
            "start_waiting": "2016-03-31T21:49:20.695210Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 14171,
            "name": "Correspondance low ranked tournament",
            "director": {
                "id": 203945,
                "username": "timuzhti",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/447482e4d1fddb5ea71da68f3a8a67d7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2349.2257971057606,
                        "deviation": 67.61151467333107,
                        "volatility": 0.06014167970887988
                    }
                },
                "ranking": 34.68895179754466,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Correspondence tournament for players weaker than 15 kyu",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 175680,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 691200,
                "time_increment": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 222,
                "name": "Low-Rating 30k's",
                "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 280,
                "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-02-01T09:30:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-01-24T17:47:24.328056Z",
            "ended": "2018-12-10T15:50:02.312383Z",
            "start_waiting": "2016-01-24T17:47:23.887257Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png",
            "player_count": 30,
            "ranked": true
        },
        {
            "id": 89406,
            "name": "BLITZ 9X9 FOR BEGGINERS",
            "director": {
                "id": 1028051,
                "username": "RAGEMONKEY",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/8c59cc5b7cf31c3ef84966a70dee552f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 940.5851333179027,
                        "deviation": 62.475553138534316,
                        "volatility": 0.06001398789255109
                    }
                },
                "ranking": 13.49885531425695,
                "professional": false,
                "ui_class": ""
            },
            "description": "BLITZ FOR BEGGINERS",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8304,
                "name": "club hikaru no go",
                "summary": "welcome all fan of Hikaru no go and on piece",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 115,
                "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-30T19:22:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-04-30T19:22:05.932749Z",
            "ended": "2022-04-30T19:26:42.744546Z",
            "start_waiting": "2022-04-30T19:22:05.850619Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 20280,
            "name": "Newbies' Level",
            "director": {
                "id": 358981,
                "username": "MinionFazbear",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/b75aa4189e8435e0f79ea52851027902-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 934.1541915201726,
                        "deviation": 99.1393208822653,
                        "volatility": 0.05998725324419916
                    }
                },
                "ranking": 13.340031221121652,
                "professional": false,
                "ui_class": ""
            },
            "description": "I likeeeeeeeeeeee noobs",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1790,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-09-15T06:19:00Z",
            "players_start": 5,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-09-15T06:19:42.212448Z",
            "ended": "2017-10-05T16:04:34.208663Z",
            "start_waiting": "2016-09-15T06:19:41.306864Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 54974,
            "name": "Fast Correspondence  Happy New Year!",
            "director": {
                "id": 153351,
                "username": "deleted-d72042f7-7f50-40ff-8427-c263b48a5aaf",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9394b999c2330f04b64b53ed3ebb8d45?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1099.2798440749807,
                        "deviation": 73.48910036748312,
                        "volatility": 0.05998662059082269
                    }
                },
                "ranking": 17.108134619735928,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have good game!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "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": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-12-31T23:01:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-12-31T23:01:18.980044Z",
            "ended": "2020-09-05T04:24:05.545170Z",
            "start_waiting": "2019-12-31T23:01:18.211353Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 4045,
            "name": "kleines wiener 3",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 762.4842334984942,
                        "deviation": 64.02267932885623,
                        "volatility": 0.059132716971074584
                    }
                },
                "ranking": 8.639199606078765,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "offen",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 445,
                "name": "Go7wien",
                "summary": "Wiener Go Klub",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-01-10T17:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-01-11T14:34:40.534619Z",
            "ended": "2015-02-02T13:51:38.270847Z",
            "start_waiting": "2015-01-11T14:34:40.460827Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 50158,
            "name": "DDK.NL Go Club - July IDDK Swiss",
            "director": {
                "id": 463810,
                "username": "SuzieKyu",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1171.4995125731932,
                        "deviation": 63.025646037873635,
                        "volatility": 0.06000597450469722
                    }
                },
                "ranking": 18.5811525604583,
                "professional": false,
                "ui_class": ""
            },
            "description": "Quarterly Swiss tournament for intermediate ddk players",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "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": 2979,
                "name": "Internatio.NL Go Club",
                "summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 64,
                "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-07-28T10:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 11,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2019-08-01T11:43:38.635160Z",
            "ended": "2019-11-21T21:47:46.973528Z",
            "start_waiting": "2019-08-01T11:43:38.156022Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png",
            "player_count": 5,
            "ranked": true
        }
    ]
}