List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5584
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60034,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5585",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5583",
    "results": [
        {
            "id": 13799,
            "name": "Title match for: Honinbo Main Title Tournament 2013",
            "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": "Title match for: Honinbo Main Title Tournament 2013 (vitality vs nrx)",
            "schedule": null,
            "title": {
                "id": 4,
                "name": "Honinbo Main Title Tournament",
                "holder": {
                    "id": 35184,
                    "username": "vitality",
                    "country": "un",
                    "icon": "https://secure.gravatar.com/avatar/17d676429b5c6ec38fb06cf71f8662fa?s=64&d=retro",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 2742.437357137692,
                            "deviation": 68.19500547415998,
                            "volatility": 0.059852958448327415
                        }
                    },
                    "ranking": 38,
                    "professional": false,
                    "ui_class": ""
                },
                "rules": "japanese",
                "tournament_type": "s_mcmahon"
            },
            "tournament_type": "s_title",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "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": "2016-01-03T20:30:07.686658Z",
            "ended": "2016-04-04T05:37:49.599419Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/honinbo_19.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 78974,
            "name": "13x13 Double Elimination🦎",
            "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 ‘Humdrum 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": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 432000
            },
            "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": 591,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2030-12-26T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-06-09T21:27:16.787590Z",
            "ended": "2022-12-09T11:46:57.772371Z",
            "start_waiting": "2022-06-09T21:27:16.623126Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 1022,
            "name": "Strongest of the noobs.",
            "director": {
                "id": 29499,
                "username": "Renegade",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/faaddf7807a0632be115222fff82685a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1655.9074359152817,
                        "deviation": 67.0079085221114,
                        "volatility": 0.05989556703347465
                    }
                },
                "ranking": 26.5925479421036,
                "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": 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": 385,
                "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": 4,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-12-23T17:41:02Z",
            "ended": "2009-12-23T16:41:02Z",
            "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": 98,
            "name": "shamankingster's beginers and first timers mini-tournament",
            "director": {
                "id": 2853,
                "username": "shamankingster",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/98642e85c99afae1b992675f6c230229?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1160.179684091046,
                        "deviation": 190.74355872529526,
                        "volatility": 0.05999948077360259
                    }
                },
                "ranking": 18.356373707043137,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 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": 385,
                "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": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2006-06-04T21:58:00Z",
            "ended": "2006-07-05T05:03:00Z",
            "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": 123641,
            "name": "⓭13x13 OPEN 1st 13x13 Tournament :)⓭",
            "director": {
                "id": 1284,
                "username": "g0blin",
                "country": "rs",
                "icon": "https://user-uploads.online-go.com/352cd49ea31be2f00577375db7e23581-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1195.886153082053,
                        "deviation": 68.81735023151822,
                        "volatility": 0.06015929831364589
                    }
                },
                "ranking": 19.05810965776877,
                "professional": false,
                "ui_class": ""
            },
            "description": "Pretty fast 13x13 correspondence for all with 2d +12h/move to max of 2 days with no 'pause on weekends'\n\nWishing GGs to all!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 44568,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 14884,
                "name": "13x13 ⑬Lovers⓭",
                "summary": "A group for people who love to play 13x13 board size Go! :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://user-uploads.online-go.com/780843c2cbaefc1cdd2b7f01a57dabc3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-01-14T00:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-14T00:00:39.279378Z",
            "ended": "2025-08-22T06:00:57.119727Z",
            "start_waiting": "2025-01-14T00:00:39.139066Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/780843c2cbaefc1cdd2b7f01a57dabc3-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 16065,
            "name": "Reddit Round Robin Handicap Correspondence - 15k-6k",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1217.9427238958501,
                        "deviation": 63.03058643418644,
                        "volatility": 0.05957480868376316
                    }
                },
                "ranking": 19.481191700677304,
                "professional": false,
                "ui_class": ""
            },
            "description": "Reddit Round Robin Handicap Correspondence - 15k-6k",
            "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": 2286,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-04-02T16:30:08.632919Z",
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 15,
            "max_ranking": 24,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-04-02T16:30:33.243697Z",
            "ended": "2016-08-12T08:03:57.767237Z",
            "start_waiting": "2016-04-02T16:30:32.275905Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 1023,
            "name": "Winter Games 2010",
            "director": {
                "id": 23467,
                "username": "Go2master",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/31df640a39af675eae099e0d9ace7ea1?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2236.6479478486895,
                        "deviation": 64.09392822540185,
                        "volatility": 0.06009551422435255
                    }
                },
                "ranking": 33.55211241728243,
                "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": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 27,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-08-21T01:37:21Z",
            "ended": "2010-08-20T23:37:21Z",
            "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": 96880,
            "name": "9x9 tournament",
            "director": {
                "id": 664560,
                "username": "Hermès",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/6ce3ce3eaaaadb76d2abc9b260dbc226-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1737.124929823381,
                        "deviation": 62.55958097852772,
                        "volatility": 0.05994692035906076
                    }
                },
                "ranking": 27.70102201136312,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun !",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": false,
            "group": {
                "id": 4217,
                "name": "Le coin des copains",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/9607ae13c473d81ce98d93a8f40f773f-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-11-19T15:00:00Z",
            "players_start": 6,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-11-19T15:00:08.223314Z",
            "ended": "2023-02-09T09:32:59.715123Z",
            "start_waiting": "2022-11-19T15:00:07.985503Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9607ae13c473d81ce98d93a8f40f773f-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 79318,
            "name": "13*13",
            "director": {
                "id": 802455,
                "username": "royz",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/23489ab482345a76b6d432ff07368b5a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1052.1310274249,
                        "deviation": 62.60253870008884,
                        "volatility": 0.06006769076422171
                    }
                },
                "ranking": 16.093293696950248,
                "professional": false,
                "ui_class": ""
            },
            "description": "13 * 13 fischer",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 47,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 45,
                "initial_time": 180,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7025,
                "name": "the good go group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-08-27T07:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-29T01:45:47.535916Z",
            "ended": "2021-08-29T01:48:58.304687Z",
            "start_waiting": "2021-08-29T01:45:47.327694Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 1024,
            "name": "Mandrel's mini-tournament",
            "director": {
                "id": 29157,
                "username": "Mandrel",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/50e65015484b6fa5bdbbbd568a82dc3d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1132.2750720362903,
                        "deviation": 62.744346365650195,
                        "volatility": 0.06000116776344252
                    }
                },
                "ranking": 17.79276504694859,
                "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": 864000,
                "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": 385,
                "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": "2010-01-29T21:34:41Z",
            "ended": "2010-01-29T20:34:41Z",
            "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
        }
    ]
}