List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5726
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59511,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5727",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5725",
    "results": [
        {
            "id": 853,
            "name": "Hneite's mini-tournament no 15",
            "director": {
                "id": 10173,
                "username": "Hneite",
                "country": "no",
                "icon": "https://secure.gravatar.com/avatar/8b1bfb226de3b056ac91a41ef429776f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1531.458160512167,
                        "deviation": 64.5972667044223,
                        "volatility": 0.06013009007133473
                    }
                },
                "ranking": 24.78386551408993,
                "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": 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": 383,
                "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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-07-23T16:35:27Z",
            "ended": "2009-07-23T14:35:27Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 35622,
            "name": "Learn to play -2",
            "director": {
                "id": 514615,
                "username": "leprechaun69",
                "country": "_Commonwealth",
                "icon": "https://user-uploads.online-go.com/46e4ee605fcdb89d5f74f9e2e056fa7f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1682.2596810069062,
                        "deviation": 64.3048718006205,
                        "volatility": 0.05997075598458425
                    }
                },
                "ranking": 26.958058191050437,
                "professional": false,
                "ui_class": ""
            },
            "description": "Learn to play -2",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2229,
                "name": "Learn to play",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 13,
                "icon": "https://user-uploads.online-go.com/a4752f94167b21c6938417b74bf87152-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-22T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-03-22T09:00:40.822037Z",
            "ended": "2018-04-17T15:33:50.405737Z",
            "start_waiting": "2018-03-22T09:00:40.584335Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a4752f94167b21c6938417b74bf87152-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 84633,
            "name": "SS 13*13 - NY2",
            "director": {
                "id": 743533,
                "username": "ss76",
                "country": "ru",
                "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 865.69965614538,
                        "deviation": 63.39878919317945,
                        "volatility": 0.06003400172803372
                    }
                },
                "ranking": 11.578235639193064,
                "professional": false,
                "ui_class": ""
            },
            "description": "play go",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "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": 17926,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-10T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-10T15:00:55.619154Z",
            "ended": "2022-03-22T06:10:04.428173Z",
            "start_waiting": "2022-01-10T15:00:54.872571Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 107208,
            "name": "Comme il faut 9x9 #06",
            "director": {
                "id": 1224784,
                "username": "deleted-8a6b2d14-d91b-4606-9de6-ae56bac9bb56",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/4f1b28979a22153f6fe69bb1490efbad-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 848.1503119998227,
                        "deviation": 63.285346813954284,
                        "volatility": 0.059946951695909155
                    }
                },
                "ranking": 11.10412002264507,
                "professional": false,
                "ui_class": ""
            },
            "description": ">>> Have fun playing with someone of similar rank, using handicap to equalize the difference! This one is 9x9.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 101638,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13256,
                "name": "Comme il faut (fast correspondence) ",
                "summary": "fast correspondence, similar rank adversaries, with handicap",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/c2a5d1e14eac226d377f42bd1d458a63-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-17T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-17T15:00:57.485715Z",
            "ended": "2024-01-08T22:11:35.349637Z",
            "start_waiting": "2023-09-17T15:00:57.387658Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c2a5d1e14eac226d377f42bd1d458a63-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 76356,
            "name": "Intermediate 9x9 Tournament - WWGA",
            "director": {
                "id": 947864,
                "username": "aval.cado",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/416eb2fbc270b61ceb60026ca7f1552d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1297.6830736962474,
                        "deviation": 61.88104620789186,
                        "volatility": 0.05994264585747425
                    }
                },
                "ranking": 20.949301730356368,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hey guys! This is the 9x9 version for the intermediate Tournament! Good Luck!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1500
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8562,
                "name": "World Wide Go Association (WWGA)",
                "summary": "This group welcomes people world wide, from beginners to pros! We have a WWGA group logo, a group video, and even a video for new members! (I make announcement videos), I hope you enjoy!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 151,
                "icon": "https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-19T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 13,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-20T00:28:53.091896Z",
            "ended": "2021-06-20T01:20:05.706258Z",
            "start_waiting": "2021-06-20T00:28:52.945050Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 110938,
            "name": "DDK playground I, fast correspondence.",
            "director": {
                "id": 1081052,
                "username": "Malakia",
                "country": "be",
                "icon": "https://user-uploads.online-go.com/c79fd56979d8c75717ce4a3094a39e8e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.9885935446694,
                        "deviation": 65.86626184996788,
                        "volatility": 0.059965440240615196
                    }
                },
                "ranking": 24.761640415537734,
                "professional": false,
                "ui_class": ""
            },
            "description": "Fast correspondence game, for DDK players.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3657,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-12-30T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-26T15:42:50.027188Z",
            "ended": "2025-08-08T10:35:24.427178Z",
            "start_waiting": "2023-12-26T15:42:49.806401Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 16,
            "ranked": true
        },
        {
            "id": 2362,
            "name": "14 kyu - 10 kyu mini-tournament",
            "director": {
                "id": 2183,
                "username": "udhar_nabresh",
                "country": "ro",
                "icon": "https://secure.gravatar.com/avatar/c00d28977111f76b775edc5ed92b2295?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1437.5729350737022,
                        "deviation": 62.349640341005305,
                        "volatility": 0.05929941019093921
                    }
                },
                "ranking": 23.319301650348507,
                "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": 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": 383,
                "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": 15,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-10-01T03:14:23Z",
            "ended": "2014-03-31T15:52:56.256247Z",
            "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": 7968,
            "name": "Reddit Round Robin #16 - Handicap - 20k-11k",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1279.4340868586087,
                        "deviation": 62.29100982988431,
                        "volatility": 0.059566675377950365
                    }
                },
                "ranking": 20.621438400619795,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Round Robin, Handicap, Correspondence, 20k-11k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2283,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-06-15T18:30:00Z",
            "players_start": 8,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-06-03T18:07:27.405499Z",
            "ended": "2016-05-03T04:42:49.457540Z",
            "start_waiting": "2015-06-03T18:07:26.477258Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 163,
            "name": "V's mini-tournament for anyone",
            "director": {
                "id": 4585,
                "username": "V",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/88a5fa967d7506d4c8771d5964faa157?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.1081080773724,
                        "deviation": 147.8185545751989,
                        "volatility": 0.05999203581477559
                    }
                },
                "ranking": 16.807748151187198,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 172800,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 172800
            },
            "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": 383,
                "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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2006-12-09T01:07:00Z",
            "ended": "2007-02-18T01:38:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2096,
            "name": "2nd BKQ mini-tournament",
            "director": {
                "id": 41020,
                "username": "bakekoq",
                "country": "id",
                "icon": "https://secure.gravatar.com/avatar/128f65403d26cbcf334407e08af054c7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1559.7858812556892,
                        "deviation": 64.00362920541266,
                        "volatility": 0.05998054228511139
                    }
                },
                "ranking": 25.208164006296965,
                "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": 432000,
                "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": 383,
                "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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-07-28T09:01:12Z",
            "ended": "2013-07-28T07:01:12Z",
            "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
        }
    ]
}