List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5352
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58938,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5353",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5351",
    "results": [
        {
            "id": 1859,
            "name": "May open",
            "director": {
                "id": 41002,
                "username": "Omoku",
                "country": "hu",
                "icon": "https://secure.gravatar.com/avatar/e5248cc95901223568596f9923afebee?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1321.230904011634,
                        "deviation": 99.41955551836942,
                        "volatility": 0.059983508699664886
                    }
                },
                "ranking": 21.36561701811974,
                "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": 432000,
                "max_time": 1209600,
                "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": 384,
                "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": "2012-09-16T19:10:28Z",
            "ended": "2012-09-16T17:10:28Z",
            "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": 30461,
            "name": "possible bug test",
            "director": {
                "id": 76160,
                "username": "nazgand",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/6e818cb4e7fbd859c151311b326dcd9d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1586.9197753645094,
                        "deviation": 67.37566366251849,
                        "volatility": 0.05993644888914877
                    }
                },
                "ranking": 25.607416613064903,
                "professional": false,
                "ui_class": ""
            },
            "description": "tournament to discover if nom de plume's losses by resignation last tournament was a bug.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 6,
            "time_control_parameters": {
                "total_time": 600,
                "time_control": "absolute",
                "speed": "blitz",
                "system": "absolute",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1371,
                "name": "Novel Updates",
                "summary": "Group for those who like reading translated asian novels on the Novel Updates site",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 23,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-09-21T18:37:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-09-21T18:37:12.080595Z",
            "ended": "2017-09-21T18:43:25.251557Z",
            "start_waiting": "2017-09-21T18:37:11.831847Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 1122,
            "name": "usagi4's mini-tournament",
            "director": {
                "id": 26887,
                "username": "usagi4",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/63bdc64870e06385c389cf1f19be8672?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2058.01217291606,
                        "deviation": 64.6778163314401,
                        "volatility": 0.05999416934547066
                    }
                },
                "ranking": 31.62515871563829,
                "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": 384,
                "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": 4,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-04-25T12:06:47Z",
            "ended": "2010-04-25T10:06:47Z",
            "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": 122058,
            "name": "Mad Go unfriendly tournament #2",
            "director": {
                "id": 1479473,
                "username": "奕时奕猷",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/9572aa46fbc22206833b7c78bbde6516-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 824.15575102247,
                        "deviation": 80.44087622650385,
                        "volatility": 0.06002558642246016
                    }
                },
                "ranking": 10.439753346961126,
                "professional": false,
                "ui_class": ""
            },
            "description": "Let's play Mad Go",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "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": false,
            "group": {
                "id": 13896,
                "name": "Mad Go",
                "summary": "Are you mad \nlet's play Go",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2024-11-12T23:00:00Z",
            "players_start": 9,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-12T23:00:04.297387Z",
            "ended": "2025-09-16T10:36:35.821950Z",
            "start_waiting": "2024-11-12T23:00:00.028568Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 7205,
            "name": "FSTS Summer 2015 DDK",
            "director": {
                "id": 135535,
                "username": "DarkSpirit",
                "country": "_CIS",
                "icon": "https://user-uploads.online-go.com/3ff0cbeb74378914ca08a8ab7741274f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1368.452026020624,
                        "deviation": 62.29275318546769,
                        "volatility": 0.05999468544710196
                    }
                },
                "ranking": 22.178561397357377,
                "professional": false,
                "ui_class": ""
            },
            "description": "Summer DDK Tournament Of FSTS",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 353,
                "name": "Four Seasons Tournament Series",
                "summary": "Серия турниров \"Четыре Сезона\"",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 623,
                "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-06-01T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2015-06-01T09:00:27.077573Z",
            "ended": "2018-02-13T00:13:05.807931Z",
            "start_waiting": "2015-06-01T09:00:26.887362Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 81279,
            "name": "9x9 D.E 08/16/2021 🦕",
            "director": {
                "id": 584481,
                "username": "Mulsiphix",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1723.508332937557,
                        "deviation": 67.30621035483453,
                        "volatility": 0.06024145341136911
                    }
                },
                "ranking": 27.51884388340188,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Daredevil Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to locate players who are more competitive than your average opponent. A big part of improving your own skills is to have them tested by capable challengers. If you would like to be a part of more New Zealand rule set tournaments, check out our group for weekly opportunities.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 59520,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 57600,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 592,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-10-17T01:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-10-18T14:40:50.564179Z",
            "ended": "2021-12-27T21:26:03.790674Z",
            "start_waiting": "2021-10-18T14:40:50.356004Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 99342,
            "name": "2023.02 GO 19X19 tournament #4 6K~2K",
            "director": {
                "id": 1161013,
                "username": "朵兒普拉斯-doorplus-",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1151.0937500744108,
                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
                    }
                },
                "ranking": 18.174361096243295,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome and have fun :)\n                                                           \n                                                                 \nPauses are not allowed.                                    \nPauses are not allowed.                                         \nPauses are not allowed.",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90503,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 518400,
                "period_time": 86400,
                "periods": 3
            },
            "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": 116,
                "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-31T16:16:00Z",
            "players_start": 12,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 24,
            "max_ranking": 28,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-31T16:16:10.314956Z",
            "ended": "2023-06-03T10:07:48.285032Z",
            "start_waiting": "2023-01-31T16:16:09.149847Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png",
            "player_count": 18,
            "ranked": true
        },
        {
            "id": 1860,
            "name": "Roaring 20's",
            "director": {
                "id": 43868,
                "username": "hollasch",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/22b28cb0f2f033dca8dc933813ac390e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1498.4198696830883,
                        "deviation": 63.885641571194604,
                        "volatility": 0.06008207890575575
                    }
                },
                "ranking": 24.278982650515974,
                "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": 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": 384,
                "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": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-09-14T04:10:55Z",
            "ended": "2012-09-14T02:10:55Z",
            "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": 64816,
            "name": "Autumn olympic games 2020(№4) (19х19)",
            "director": {
                "id": 776814,
                "username": "Korotrov 19",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/1c0b386e473e055af29bcaff72788ef6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1627.5011666778498,
                        "deviation": 60.69603575167428,
                        "volatility": 0.06006221360900416
                    }
                },
                "ranking": 26.191975476154177,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello everyone, the tournament will start no earlier than the first October.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 24000,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 864000,
                "max_time": 2419200
            },
            "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": 17845,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-30T21:00:00Z",
            "players_start": 190,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-30T21:36:05.895626Z",
            "ended": null,
            "start_waiting": "2020-09-30T21:35:45.223933Z",
            "board_size": 19,
            "active_round": 30,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 190,
            "ranked": true
        },
        {
            "id": 1861,
            "name": "marcusa's handicap tournament",
            "director": {
                "id": 19906,
                "username": "marcusa",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0a4af0949a8834ad4c618b70ac6cbf0d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1727.2096707086046,
                        "deviation": 64.00279419294205,
                        "volatility": 0.05996034779490802
                    }
                },
                "ranking": 27.568506592537027,
                "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": 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": 384,
                "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": 4,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-01-17T03:29:56Z",
            "ended": "2013-01-17T02:29:56Z",
            "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
        }
    ]
}