List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=403
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60831,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=404",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=402",
    "results": [
        {
            "id": 1255,
            "name": "beidao's mini-tournament",
            "director": {
                "id": 12516,
                "username": "beidao",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/59a2fd07c62e453c1050a020696090aa?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 998.3282830854052,
                        "deviation": 63.032626468658826,
                        "volatility": 0.05972522695045667
                    }
                },
                "ranking": 14.878132298842804,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 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": 386,
                "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": 10,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-04-07T02:16:06Z",
            "ended": "2011-04-07T00:16:06Z",
            "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": 1254,
            "name": "darthlala's mini-tournament",
            "director": {
                "id": 30237,
                "username": "darthlala",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/71de63c8953c32b072b6f766ffabb3bc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1376.9591097186694,
                        "deviation": 67.3309078478897,
                        "volatility": 0.05993018824612472
                    }
                },
                "ranking": 22.322029612637653,
                "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": 345600,
                "max_time": 1209600,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "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": 9,
            "max_ranking": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-05-25T22:17:50Z",
            "ended": "2011-05-25T20:17:50Z",
            "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": 62908,
            "name": "Blitz 13x13 Swiss Tournament 2020-07-08 23:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260828T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-08-28T07:00:31.690427Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 300,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-08-28T11:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-07-08T23:30:21.390807Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-08T23:30:23.097597Z",
            "ended": "2020-07-08T23:56:42.267815Z",
            "start_waiting": "2020-07-08T23:30:22.769254Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 1253,
            "name": "boredom's mini-tournament",
            "director": {
                "id": 10670,
                "username": "boredom",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/885cf176491879164a14993fb1af835c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1822.8504864288059,
                        "deviation": 64.53786161281363,
                        "volatility": 0.05990507402656149
                    }
                },
                "ranking": 28.816159126829287,
                "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": 386,
                "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": 13,
            "max_ranking": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-10-02T12:04:14Z",
            "ended": "2010-10-02T10:04:14Z",
            "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": 1252,
            "name": "Pancserka's mini-tournament",
            "director": {
                "id": 31328,
                "username": "deleted-7e21eec2-2433-4623-83a6-5541e44ba479",
                "country": "hu",
                "icon": "https://user-uploads.online-go.com/a4d5b4f08c2e39bdb7d89239e0d95675-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 329.28385059027914,
                        "deviation": 87.55400433919571,
                        "volatility": 0.05985343510223458
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 1209600,
                "time_increment": 259200
            },
            "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": 386,
                "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": "2011-08-22T20:52:57Z",
            "ended": "2011-08-22T18:52:57Z",
            "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": 1251,
            "name": "Free Go School mini tournament",
            "director": {
                "id": 33457,
                "username": "oki1min",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/9fcfbf10b7ba6a4ea8a165b4ef6b2c8f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2197.6785280986305,
                        "deviation": 75.24038243105554,
                        "volatility": 0.06000962087693495
                    }
                },
                "ranking": 33.14521170860617,
                "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": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-02-16T15:14:57Z",
            "ended": "2011-02-16T14:14:57Z",
            "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": 45399,
            "name": "The 7th Murase Go Group Tournament",
            "director": {
                "id": 449215,
                "username": "SM-SYaKo",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1182.178471692773,
                        "deviation": 63.45983688838135,
                        "volatility": 0.060058455061893425
                    }
                },
                "ranking": 18.79122343818162,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament that happens every month on 27th. This is the 7th tournament starts on February 27th, 2019.\n\n毎月27日に開催される定例トーナメントです。これは第七回村瀬碁グループ定例トーナメントです。2019年2月27日に開始されます。",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2389,
                "name": "Murase Go Group",
                "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 92,
                "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2019-02-27T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-02-27T13:00:20.213076Z",
            "ended": "2020-07-19T00:41:33.457780Z",
            "start_waiting": "2019-02-27T13:00:17.805816Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 63158,
            "name": "13 Encuentro de Go en línea, Julio 2020",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 763.2227067659302,
                        "deviation": 67.82666399931664,
                        "volatility": 0.06059945822311187
                    }
                },
                "ranking": 8.661609751861041,
                "professional": false,
                "ui_class": ""
            },
            "description": "Buen juego a todos!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-18T22:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-07-18T22:30:55.090167Z",
            "ended": "2020-07-19T00:35:21.969693Z",
            "start_waiting": "2020-07-18T22:30:53.960990Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 1250,
            "name": "Lassú Go Bajnokság Yose Liga",
            "director": {
                "id": 30047,
                "username": "froccsonto",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/1068e34bff962981f5e4dee51af5c9c1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1341.370121968063,
                        "deviation": 90.64851188988936,
                        "volatility": 0.06000634547609811
                    }
                },
                "ranking": 21.715824790399427,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 1209600,
                "max_time": 1209600,
                "time_increment": 259200
            },
            "is_open": false,
            "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": 386,
                "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": "2012-02-07T21:09:25Z",
            "ended": "2012-02-07T20:09:25Z",
            "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": 74011,
            "name": "B20-Div3: TARUC CoQ Day",
            "director": {
                "id": 791871,
                "username": "hockdoong",
                "country": "my",
                "icon": "https://secure.gravatar.com/avatar/9a5331ea211b57bb138f002e1dad46ba?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1878.5970884686756,
                        "deviation": 159.63459957563586,
                        "volatility": 0.059990990907012216
                    }
                },
                "ranking": 29.513524900680295,
                "professional": false,
                "ui_class": ""
            },
            "description": "Batch 20 Division 3 CoQ Day",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8924,
                "name": "TARUC Weiqi CoQ Day (B22)",
                "summary": "TARUC Weiqi CoQ Day",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 226,
                "icon": "https://user-uploads.online-go.com/ad2a57469c6296632add0a9dc43c1d32-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-18T01:30:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-04-18T01:17:38.644551Z",
            "ended": null,
            "start_waiting": "2021-04-18T01:17:35.335901Z",
            "board_size": 13,
            "active_round": 8,
            "icon": "https://user-uploads.online-go.com/ad2a57469c6296632add0a9dc43c1d32-15.png",
            "player_count": 105,
            "ranked": true
        }
    ]
}