List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5651
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58835,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5652",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5650",
    "results": [
        {
            "id": 3178,
            "name": "European Weekly Cup 13x13 DDK Sunday, 28.9.2014. 13:30 UTC",
            "director": {
                "id": 52052,
                "username": "ST000MA",
                "country": "rs",
                "icon": "https://secure.gravatar.com/avatar/da4a122c783bf3156553dfebd327d39d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1773.7204734712398,
                        "deviation": 64.7543915421217,
                        "volatility": 0.06233350490466346
                    }
                },
                "ranking": 28.18365079311867,
                "professional": false,
                "ui_class": ""
            },
            "description": "For more information see [European Tournament Group page](http://online-go.com/group/326).",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 40,
                "main_time": 420,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 326,
                "name": "European Weekly Cup",
                "summary": "Our goal is to provide tournaments with a schedule oriented for european players. Non-european players are welcome !!!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 251,
                "icon": "https://user-uploads.online-go.com/6811f1a03590402ce5debeda4cb7b2f7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-09-28T13:29:17.537749Z",
            "ended": "2014-09-28T14:08:27.214200Z",
            "start_waiting": "2014-09-28T13:29:17.138214Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6811f1a03590402ce5debeda4cb7b2f7-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 68704,
            "name": "Yeah ogs",
            "director": {
                "id": 850139,
                "username": "sun496715",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d601c4501fe994fa566f35499b0dcdc0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1041.262430966302,
                        "deviation": 64.93880933439947,
                        "volatility": 0.060041655939086
                    }
                },
                "ranking": 15.852908624786158,
                "professional": false,
                "ui_class": ""
            },
            "description": "Play Faster",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 1,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "blitz",
                "pause_on_weekends": false,
                "total_time": 90
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7559,
                "name": "Yeah ogs",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-12-08T02:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-12-08T02:00:08.042245Z",
            "ended": "2020-12-08T02:01:59.357181Z",
            "start_waiting": "2020-12-08T02:00:07.853464Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 64590,
            "name": "Neverending Nines: Faster 9x9",
            "director": {
                "id": 109488,
                "username": "DVbS78rkR7NVe",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2026.1476299885521,
                        "deviation": 66.05609734432652,
                        "volatility": 0.059874270189468615
                    }
                },
                "ranking": 31.26391960044579,
                "professional": false,
                "ui_class": ""
            },
            "description": "<h2 style=\"color:red\">No vacation allowed</h2>\n\n<h3>Only 4-hour increment!</h3>\n\n<hr/>\n\nI've run out of appropriate cat names.\n\nJoin the group for more cat tournaments ^__^",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16320,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 14400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6124,
                "name": "Leopard's Resting Tree",
                "summary": "A little corner for cat tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 312,
                "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-26T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-08-26T12:00:11.439560Z",
            "ended": "2020-12-14T11:02:54.305355Z",
            "start_waiting": "2020-08-26T12:00:09.172532Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png",
            "player_count": 37,
            "ranked": true
        },
        {
            "id": 1481,
            "name": "kodathon",
            "director": {
                "id": 37418,
                "username": "koda",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/ba6da52d8825e430c5e3a425937e4bbb?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1099.7034073236412,
                        "deviation": 108.4170839776936,
                        "volatility": 0.059987630028292334
                    }
                },
                "ranking": 17.11705282256582,
                "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": 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": 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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-10-08T17:32:26Z",
            "ended": "2011-10-08T15:32:26Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 101,
            "name": "Xool's mini-tournament",
            "director": {
                "id": 2876,
                "username": "Xool",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/bae1327a2dfeb91c3a71f5ac1c30f84e?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1336.5502181617323,
                        "deviation": 210.7451550741362,
                        "volatility": 0.06000007082318102
                    }
                },
                "ranking": 21.632490800262158,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 432000,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 432000
            },
            "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": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2006-06-08T21:35:00Z",
            "ended": "2006-10-09T14:01:00Z",
            "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": 3133,
            "name": "Quick & Review 9 - Go Basics Live Swiss Tournament",
            "director": {
                "id": 69627,
                "username": "xhu98",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/c621ba803d60469b8eb5169d641a25d1-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2547.3438087257227,
                        "deviation": 71.40044984649593,
                        "volatility": 0.060348369963809156
                    }
                },
                "ranking": 36.563299576186026,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "<b>We'll gather <u>everyday at 16:30 UTC</u> in GO Basics chat room</b> to see if we reach 12 players (please remember to check in between 16:20-16:40) <br/>The idea is to have 2-3 rounds of fast live games and then reviewing it together afterwards. Stronger players are welcome to kibitz (comment), and the reviewer can choose a game or two and review them with all the participants. There is NO elimination in this tournament. \nIf you want to play in the tournament but it's FULL, please PM me so I can put you in as a substitute player. If so, please also check in and I'll notify you when ready.\n<br/><b>NOTE: Top 3 places will qualify for an invitation to GO Basics Champion of Champions, an exclusive correspondence tournament which will start on September 1!</b>",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 40,
                "main_time": 900,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 17826,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "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": "group",
            "started": "2014-08-26T17:02:13.846714Z",
            "ended": "2014-08-26T19:20:37.428931Z",
            "start_waiting": "2014-08-26T17:02:13.590791Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 105897,
            "name": "Debate Club Tournament Of August 2023",
            "director": {
                "id": 1326663,
                "username": "XxDanieldaOtakuxX",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/a51c61ad371c4f2621c5ad2d44fda7fa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 950.2495113712463,
                        "deviation": 67.80723575223263,
                        "volatility": 0.060129919277886315
                    }
                },
                "ranking": 13.735504564197907,
                "professional": false,
                "ui_class": ""
            },
            "description": "The Tournament Of The Debate Club\n\n\n\nAnybody may join, whether in the Club or not\n\n(Also I've never made a tournament so I don't know some of the setting's terms)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 267406,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 1036800,
                "period_time": 259200,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13156,
                "name": "Debate Club",
                "summary": "Every opinion counts",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/3bd678e5a688ae92be2c6de985828281-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-01T17:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-08-01T17:30:52.309920Z",
            "ended": "2025-05-01T22:54:36.437311Z",
            "start_waiting": "2023-08-01T17:30:52.171501Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3bd678e5a688ae92be2c6de985828281-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 1482,
            "name": "marjanna's mini-tournament",
            "director": {
                "id": 24044,
                "username": "deleted-fa431bc3-5608-482a-9a81-2ede9096adcc",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/870ee330d2a4e96084d84f846d18e497-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1307.5090401004124,
                        "deviation": 62.502290577993485,
                        "volatility": 0.058341950747726856
                    }
                },
                "ranking": 21.12393161634429,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "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": 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": 22,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-12-27T20:42:56Z",
            "ended": "2011-12-27T19:42:56Z",
            "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
        },
        {
            "id": 1483,
            "name": "takkaa's mini-tournament",
            "director": {
                "id": 733,
                "username": "takkaa",
                "country": "pl",
                "icon": "https://secure.gravatar.com/avatar/04ec8884ae7cd96e2536ac2138a100d7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1779.510780526295,
                        "deviation": 64.56126229807248,
                        "volatility": 0.05990329909237355
                    }
                },
                "ranking": 28.259100836979073,
                "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": 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": 24,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-09-19T20:18:26Z",
            "ended": "2011-09-19T18:18:26Z",
            "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": 1484,
            "name": "May 24 tournament",
            "director": {
                "id": 7172,
                "username": "mortenand",
                "country": "dk",
                "icon": "https://user-uploads.online-go.com/b8615b2c0ebcf8d918a601b2e2c15c12-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1378.7140024692346,
                        "deviation": 63.67095296616444,
                        "volatility": 0.05995803471647815
                    }
                },
                "ranking": 22.351514802653732,
                "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": 604800,
                "max_time": 1209600,
                "time_increment": 259200
            },
            "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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-05-11T02:04:18Z",
            "ended": "2012-05-11T00:04:18Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}