List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=4
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59916,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=5",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=players_start&page=3",
    "results": [
        {
            "id": 111401,
            "name": "français 9x9",
            "director": {
                "id": 737374,
                "username": "silver.",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/e931b32907b6214d73e0e9a4f5d63f35-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1333.0839947503887,
                        "deviation": 61.11589849294353,
                        "volatility": 0.059948141650492504
                    }
                },
                "ranking": 21.572375360719043,
                "professional": false,
                "ui_class": ""
            },
            "description": "who is the best?",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 10255,
                "name": "petite France",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/f21fb9a21a556e976df1e3843104de28-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-06T17:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-06T16:23:03.622408Z",
            "ended": "2024-02-13T10:39:44.897432Z",
            "start_waiting": "2024-01-06T16:23:03.510317Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f21fb9a21a556e976df1e3843104de28-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 114959,
            "name": "Foxy is wise",
            "director": {
                "id": 1546177,
                "username": "落櫻紛飛",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/eb60ca24bb0cf621746c2a5c69baab5f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1116.2785136469304,
                        "deviation": 69.76389856634744,
                        "volatility": 0.060221486825671626
                    }
                },
                "ranking": 17.463374120520815,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have a great day",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 2419200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 2419200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14201,
                "name": "~沐火~",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-05-01T11:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-05-01T11:00:41.074873Z",
            "ended": "2025-10-29T18:56:36.572530Z",
            "start_waiting": "2024-05-01T11:00:40.994970Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 28482,
            "name": "4th Lviv Tpurnament",
            "director": {
                "id": 79,
                "username": "oldyew",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1705.3371445600435,
                        "deviation": 62.790139205239456,
                        "volatility": 0.06003537827844153
                    }
                },
                "ranking": 27.273474442381108,
                "professional": false,
                "ui_class": ""
            },
            "description": "summer time",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35520,
            "time_control_parameters": {
                "period_time": 604800,
                "main_time": 604800,
                "system": "canadian",
                "pause_on_weekends": false,
                "time_control": "canadian",
                "stones_per_period": 21,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1460,
                "name": "Lviv Club",
                "summary": "Lviv Go Players Group",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2017-07-03T19:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-07-03T19:00:02.689247Z",
            "ended": "2017-07-03T19:33:33.995181Z",
            "start_waiting": "2017-07-03T19:00:02.464043Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 83753,
            "name": "19*19 swiss",
            "director": {
                "id": 1067981,
                "username": "Averyw123",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1274.6513862158752,
                        "deviation": 65.37626830930803,
                        "volatility": 0.06010299986513658
                    }
                },
                "ranking": 20.534738366137827,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 180,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 180
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 8902,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-12-16T00:35:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 26,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-12-16T00:35:13.689208Z",
            "ended": "2021-12-16T00:35:13.669924Z",
            "start_waiting": "2021-12-16T00:35:13.609457Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 130328,
            "name": "Лщлдллллллщлщл",
            "director": {
                "id": 1729163,
                "username": "Лёд певческой пещеры",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/07aa2ab0b2bb859162bcab33f695bf3f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1120.5308575488752,
                        "deviation": 64.59776054280978,
                        "volatility": 0.060235813486852634
                    }
                },
                "ranking": 17.551394030657434,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ььъъььььььлмсиьавлдровартвоке",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "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": true,
            "group": {
                "id": 6335,
                "name": "BOKENDO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/9baef4bd446d0558ff7bff46039f16c6-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-07-10T08:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-07-10T08:01:02.091043Z",
            "ended": "2025-07-10T08:01:02.075853Z",
            "start_waiting": "2025-07-10T08:01:02.045328Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9baef4bd446d0558ff7bff46039f16c6-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 127382,
            "name": "240-rx geams",
            "director": {
                "id": 1729163,
                "username": "Лёд певческой пещеры",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/07aa2ab0b2bb859162bcab33f695bf3f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1120.5308575488752,
                        "deviation": 64.59776054280978,
                        "volatility": 0.060235813486852634
                    }
                },
                "ranking": 17.551394030657434,
                "professional": false,
                "ui_class": ""
            },
            "description": "Shtgzhugzftrdfghgf",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 15,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 600,
                "max_time": 3600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1787,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-04-11T17:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-11T17:00:14.753446Z",
            "ended": "2025-04-11T17:00:14.743842Z",
            "start_waiting": "2025-04-11T17:00:14.710647Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 115184,
            "name": "GOGOGO",
            "director": {
                "id": 1548989,
                "username": "deleted-e896bd40-c6d7-4837-a20e-d24042dc3694",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/121ffb4170ef13cb3f381b84acdc84f5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1577.3023482002736,
                        "deviation": 179.93762959852722,
                        "volatility": 0.0600043761080307
                    }
                },
                "ranking": 25.466690636338747,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "GOGOGO",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 60
            },
            "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": 18009,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-04-20T12:33:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 29,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-04-20T12:33:23.289072Z",
            "ended": "2024-04-20T12:33:23.257709Z",
            "start_waiting": "2024-04-20T12:33:23.195164Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 116377,
            "name": "바아아아아둑 6번째 토너먼트",
            "director": {
                "id": 1566122,
                "username": "이라겸3",
                "country": "kr",
                "icon": "https://secure.gravatar.com/avatar/7e0aeb9e99b1257c3951c18cc05991f6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 775.3270942356701,
                        "deviation": 196.14175868862495,
                        "volatility": 0.060019452127703474
                    }
                },
                "ranking": 9.025877910596186,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "오랜만에 바아아아아둑 리그!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12797,
                "name": "바아아아아둑1",
                "summary": "아무나 환영!! All welcome!!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8,
                "icon": "https://user-uploads.online-go.com/4cf68334c811d8282587a249900fca95-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-06-12T11:00:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-06-12T11:00:51.510799Z",
            "ended": "2024-07-03T20:32:46.117946Z",
            "start_waiting": "2024-06-12T11:00:51.303100Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4cf68334c811d8282587a249900fca95-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 85477,
            "name": "bot tournament",
            "director": {
                "id": 1114709,
                "username": "test-bot",
                "country": "nz",
                "icon": "https://user-uploads.online-go.com/e7dd3607dc58220923324ea72a0b2fac-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1256.0813186947664,
                        "deviation": 113.89639447975703,
                        "volatility": 0.060005946792260706
                    }
                },
                "ranking": 20.194991084040723,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "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": true,
            "group": {
                "id": 10855,
                "name": "⚫️The Brilliant World Of OGS⚪️",
                "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 192,
                "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-30T05:45:00Z",
            "players_start": 0,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-30T05:45:07.409775Z",
            "ended": "2022-01-30T05:45:07.396025Z",
            "start_waiting": "2022-01-30T05:45:07.347127Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 87561,
            "name": "19x19 tournament",
            "director": {
                "id": 1125459,
                "username": "The bird",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/7645c7666d7312d774d9c19602f0c5be?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1172.588966894239,
                        "deviation": 90.18018989926959,
                        "volatility": 0.06001518320124037
                    }
                },
                "ranking": 18.60267126128303,
                "professional": false,
                "ui_class": ""
            },
            "description": "Automatic site wide tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 432000,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 10855,
                "name": "⚫️The Brilliant World Of OGS⚪️",
                "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 192,
                "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-03-20T23:00:00Z",
            "players_start": 0,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2022-03-20T23:00:42.813141Z",
            "ended": "2022-03-22T02:55:33.765975Z",
            "start_waiting": "2022-03-20T23:00:42.756260Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png",
            "player_count": 3,
            "ranked": true
        }
    ]
}