List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5948
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60780,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5949",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5947",
    "results": [
        {
            "id": 778,
            "name": "ZEV's mini-tournament #2",
            "director": {
                "id": 25064,
                "username": "Zedus",
                "country": "ua",
                "icon": "https://secure.gravatar.com/avatar/e517606ea06b876c8c380be5f47813c7?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1393.663417757706,
                        "deviation": 66.20385367542258,
                        "volatility": 0.060013948715526434
                    }
                },
                "ranking": 22.601179452011245,
                "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": "simple",
                "per_move": 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": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-05-08T22:03:30Z",
            "ended": "2009-05-08T20:03:30Z",
            "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": 2268,
            "name": "Practice 9x9",
            "director": {
                "id": 46289,
                "username": "jacensolo",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/d891a6af3da0ac31aa12f6e6382bfedb?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1239.925569235062,
                        "deviation": 61.78882798949505,
                        "volatility": 0.0599788653523673
                    }
                },
                "ranking": 19.89530375150499,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-19T15:44:42Z",
            "ended": "2013-08-19T13:44:42Z",
            "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": 58577,
            "name": "Nottingham Go Club - Covid Cup 2020 #3",
            "director": {
                "id": 23509,
                "username": "robindews",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/53b7cf9d9bdd1f8f9c5f4ffe8c21631d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.866380297196,
                        "deviation": 61.14091419950209,
                        "volatility": 0.06003237465737596
                    }
                },
                "ranking": 24.94066718342586,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "This is our third live Tuesday evening tournnament for members and friends of the Nottingham, Sheffield and Birmingham Go Clubs. All are welcome to join in",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 83,
                "name": "Nottingham Go Club",
                "summary": "Online Group for Go players in the Nottingham and Derby Area",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 92,
                "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-07T18:15:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-04-07T18:15:10.899146Z",
            "ended": "2020-04-07T20:42:40.008875Z",
            "start_waiting": "2020-04-07T18:15:10.127616Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 59985,
            "name": "Torneio  de Quarentena 4",
            "director": {
                "id": 71636,
                "username": "riemsdijk",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/da901711d8fc89260b88e89b54d973a2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2091.093832315677,
                        "deviation": 108.62108201284576,
                        "volatility": 0.06007502496950065
                    }
                },
                "ranking": 31.994325781222933,
                "professional": false,
                "ui_class": ""
            },
            "description": "Torneio de quarentena",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3811,
                "name": "Aulas de Go com FHvR",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 39,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-03T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-03T18:00:36.123376Z",
            "ended": "2020-05-03T21:04:17.054505Z",
            "start_waiting": "2020-05-03T18:00:34.454004Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 129047,
            "name": "Torneo Higashikita Online",
            "director": {
                "id": 1522774,
                "username": "avidia",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/51901ebf12cd3fe6dbcd967f1c91eea7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1120.4630728172083,
                        "deviation": 61.6564149213542,
                        "volatility": 0.060016124881509564
                    }
                },
                "ranking": 17.549993565874995,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ciao questo torneo l'ho creato solo per i membri del gruppo. É un McMahon simultanea, significa che ci saranno delle partite in simultanea per gruppo accoppiato a forza. Buon divertimento!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 172800,
                "period_time": 86400,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10986,
                "name": "Higashikita Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/232802e9a27b6e745847db5f2f6404ed-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-06-06T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-06-06T11:00:42.077834Z",
            "ended": "2025-10-04T06:44:25.314285Z",
            "start_waiting": "2025-06-06T11:00:41.670424Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/232802e9a27b6e745847db5f2f6404ed-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 71165,
            "name": "Partidas de entrenamiento",
            "director": {
                "id": 88120,
                "username": "satoshi84",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.7959829193692,
                        "deviation": 78.40429708623937,
                        "volatility": 0.06016044531576248
                    }
                },
                "ranking": 17.885013568829635,
                "professional": false,
                "ui_class": ""
            },
            "description": "vamos a jugar partidas de entrenamiento",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4841,
                "name": "PIPIOLO GO 2022🏆",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 214,
                "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-08T17:22:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-02-08T17:22:43.038220Z",
            "ended": "2021-02-08T18:02:48.215630Z",
            "start_waiting": "2021-02-08T17:22:42.871959Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 129078,
            "name": "Go is Ambient (16k-6k)",
            "director": {
                "id": 1770852,
                "username": "deleted-03268d70-5a76-4572-a4cf-8e1d7c29f35a",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/1030f2e59ae95dd36f2c5a7017ab4b67-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 901.2290506982007,
                        "deviation": 64.69354502751011,
                        "volatility": 0.06001598019736532
                    }
                },
                "ranking": 12.509361340606132,
                "professional": false,
                "ui_class": ""
            },
            "description": "The salary is good, but I think I'll be in need until payday... Ah, living on 560,000 won is so happy.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15084,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 14400,
                "initial_time": 86400,
                "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": 18118,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-01T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 14,
            "max_ranking": 24,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-01T03:00:29.956957Z",
            "ended": "2026-01-04T06:59:57.090978Z",
            "start_waiting": "2025-07-01T03:00:29.766080Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 19,
            "ranked": true
        },
        {
            "id": 85613,
            "name": "19x19 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": 592,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-26T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-13T20:54:49.568107Z",
            "ended": "2023-05-05T16:59:34.896195Z",
            "start_waiting": "2022-09-13T20:54:49.393035Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 65302,
            "name": "21 Encuentro de Go en línea, septiembre 2020",
            "director": {
                "id": 607938,
                "username": "kido.go.baduk",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 763.2227067659302,
                        "deviation": 67.82666399931664,
                        "volatility": 0.06059945822311187
                    }
                },
                "ranking": 8.661609751861041,
                "professional": false,
                "ui_class": ""
            },
            "description": "Partidas de Go",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 26,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4974,
                "name": "Taller de Go-Biblioteca de México",
                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 236,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-12T22:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-09-12T22:30:07.090994Z",
            "ended": "2020-09-12T23:34:37.772054Z",
            "start_waiting": "2020-09-12T22:30:06.061353Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 26,
            "ranked": true
        },
        {
            "id": 2271,
            "name": "Amane's IGo Marathon 26",
            "director": {
                "id": 7425,
                "username": "masutami",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/966aad8981dcc75b5b8ab04427a833b2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1464.8658156740034,
                        "deviation": 64.25957956452444,
                        "volatility": 0.05979175956401998
                    }
                },
                "ranking": 23.75469330835485,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 386,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 10,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-06-30T04:28:47Z",
            "ended": "2013-10-22T02:46:51.819784Z",
            "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
        }
    ]
}