List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=307
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 58968,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=308",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=306",
    "results": [
        {
            "id": 90082,
            "name": "9x9 Open D.E. Cup #21",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1420.5346413324014,
                        "deviation": 69.96178197406026,
                        "volatility": 0.06017588006144253
                    }
                },
                "ranking": 23.043286026595208,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "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": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-05-22T20:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-05-21T07:16:15.864473Z",
            "ended": "2022-08-16T12:52:58.842727Z",
            "start_waiting": "2022-05-21T07:16:15.749514Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 7026,
            "name": "CobaltLance's tournament",
            "director": {
                "id": 145415,
                "username": "CobaltLance18",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/becd48d1e1652ffb2fbb154b93d595d8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.7208793518926,
                        "deviation": 63.75135596917824,
                        "volatility": 0.059989964002541286
                    }
                },
                "ranking": 17.88348409032295,
                "professional": false,
                "ui_class": ""
            },
            "description": "for my peers",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 45,
                "main_time": 450,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8855,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-05-25T22:25:00Z",
            "players_start": 10,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-05-25T22:25:20.782235Z",
            "ended": "2015-05-26T00:54:52.107766Z",
            "start_waiting": "2015-05-25T22:25:19.936444Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 57,
            "ranked": true
        },
        {
            "id": 130435,
            "name": "oolooloong19 20 à 24 k",
            "director": {
                "id": 657233,
                "username": "oolooloo",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/8f41f10dcbb391aafb7f3a83119225ea-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 784.469918165899,
                        "deviation": 64.9731888312611,
                        "volatility": 0.06010381595696061
                    }
                },
                "ranking": 9.297270657682157,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "oolooloong19 longue durée 20 à 24 k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 278347,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 259200,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 95,
                "name": "France Go Players",
                "summary": "Le groupe pour les joueurs français!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1299,
                "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-07-27T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 6,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-09T07:10:32.907199Z",
            "ended": "2026-01-14T18:59:20.461182Z",
            "start_waiting": "2025-11-09T07:10:32.825837Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 88040,
            "name": "JORNADA 1 DE LA LIGA DE GO KANIK",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1169.6020844124685,
                        "deviation": 60.66642891344809,
                        "volatility": 0.05973064422184215
                    }
                },
                "ranking": 18.54362708818033,
                "professional": false,
                "ui_class": ""
            },
            "description": "¡Comenzamos la Liga de Go! Cada triunfo es un punto y cada juego cuenta.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 540,
                "period_time": 30,
                "periods": 5
            },
            "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": 237,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-04-02T02:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2022-04-02T02:35:29.532052Z",
            "ended": "2022-04-02T05:17:13.699743Z",
            "start_waiting": "2022-04-02T02:35:29.436610Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 84887,
            "name": "แข่งจัดอันดับประจำเดือนมกราคม (ต.ค.-ม.ค.)",
            "director": {
                "id": 779033,
                "username": "T.Boss Chanatip",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/b48d7002f7cfe5a5b7dbf304aa99b403-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2035.3577057312855,
                        "deviation": 73.07838554282719,
                        "volatility": 0.06006497874786784
                    }
                },
                "ranking": 31.368912011527872,
                "professional": false,
                "ui_class": ""
            },
            "description": "4 เดือนนน",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 15,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10100,
                "name": "Class Mr.Boss",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 37,
                "icon": "https://user-uploads.online-go.com/a7deae48f8d7c9175dfafdf4122b30eb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-15T08:52:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-15T08:52:51.734688Z",
            "ended": "2022-09-18T22:47:10.704636Z",
            "start_waiting": "2022-01-15T08:52:51.669754Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/a7deae48f8d7c9175dfafdf4122b30eb-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 134767,
            "name": "9x9 Open D.E. Cup #207",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1420.5346413324014,
                        "deviation": 69.96178197406026,
                        "volatility": 0.06017588006144253
                    }
                },
                "ranking": 23.043286026595208,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-11-30T20:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-30T04:05:59.130189Z",
            "ended": null,
            "start_waiting": "2025-11-30T04:05:59.022619Z",
            "board_size": 9,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 135495,
            "name": "9x9 Open D.E. Cup #213",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1420.5346413324014,
                        "deviation": 69.96178197406026,
                        "volatility": 0.06017588006144253
                    }
                },
                "ranking": 23.043286026595208,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-12-21T20:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-21T07:08:01.553075Z",
            "ended": null,
            "start_waiting": "2025-12-21T07:08:01.456850Z",
            "board_size": 9,
            "active_round": 3,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 84128,
            "name": "ลองระบบ",
            "director": {
                "id": 713103,
                "username": "Fuyumi",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/1e7e64d6c659ac4d39e952156bf19c2a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1143.6828187306164,
                        "deviation": 133.90349062385755,
                        "volatility": 0.06000526511750986
                    }
                },
                "ranking": 18.0248357268583,
                "professional": false,
                "ui_class": ""
            },
            "description": "ลองระบบ",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 70,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 3600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10060,
                "name": "MUGO ชมรมหมากล้อมมหาวิทยาลัยมหิดล",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 33,
                "icon": "https://user-uploads.online-go.com/32ead8688f3400443bffa3be1ca155a4-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-12-26T12:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-26T12:35:37.474666Z",
            "ended": "2021-12-26T12:51:50.733940Z",
            "start_waiting": "2021-12-26T12:35:37.407969Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/32ead8688f3400443bffa3be1ca155a4-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 83425,
            "name": "Noveno Torneo de Go PP Kanik",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1169.6020844124685,
                        "deviation": 60.66642891344809,
                        "volatility": 0.05973064422184215
                    }
                },
                "ranking": 18.54362708818033,
                "professional": false,
                "ui_class": ""
            },
            "description": "La próxima semana es el campeonato Kanik, ¿están listos?",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "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": 237,
                "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-08T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-12-08T00:35:09.310847Z",
            "ended": "2021-12-08T00:59:07.137536Z",
            "start_waiting": "2021-12-08T00:35:09.152067Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 82721,
            "name": "Muhammad vs. Yanjing rematch",
            "director": {
                "id": 1051055,
                "username": "Gamemaster Omar",
                "country": "my",
                "icon": "https://secure.gravatar.com/avatar/6d0d3825b329b214c542039ecf465d7b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1319.0583279381294,
                        "deviation": 167.0686942338122,
                        "volatility": 0.06000164251231347
                    }
                },
                "ranking": 21.32751880763243,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Destiny arrives, fates battle.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 3,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "blitz",
                "pause_on_weekends": false,
                "total_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10515,
                "name": "JCCU Go Tournament Group A",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/01739d4525787e1eb43dbce942547ce3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-20T13:01:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-11-20T13:01:12.908215Z",
            "ended": "2021-11-20T13:07:54.221345Z",
            "start_waiting": "2021-11-20T13:01:12.850864Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/01739d4525787e1eb43dbce942547ce3-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}