List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=analysis_enabled&page=4587
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60477,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=analysis_enabled&page=4588",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=analysis_enabled&page=4586",
    "results": [
        {
            "id": 62249,
            "name": "第1期かおり杯名人戦名人リーグ優勝者決定戦",
            "director": {
                "id": 575743,
                "username": "site15",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/bc007d9395773691f25a5b61c493d20c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2235.650589589939,
                        "deviation": 66.59961247246449,
                        "volatility": 0.05997470964036889
                    }
                },
                "ranking": 33.541787147679095,
                "professional": false,
                "ui_class": ""
            },
            "description": "優勝者決定戦です~。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 46080,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 43200,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2969,
                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 297,
                "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-27T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-06-27T11:00:14.378682Z",
            "ended": "2020-07-01T11:58:06.131465Z",
            "start_waiting": "2020-06-27T11:00:14.274030Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 133995,
            "name": "9x9 Mini League 1k-9k #157",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1363.5065619869745,
                        "deviation": 70.81622998699714,
                        "volatility": 0.060266656549550976
                    }
                },
                "ranking": 22.094747815455175,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "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": true,
            "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": 713,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-11-23T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-23T08:03:05.747326Z",
            "ended": "2025-12-20T02:51:57.636715Z",
            "start_waiting": "2025-11-23T08:03:05.631719Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 60920,
            "name": "Dans 19x19 Tournament Group",
            "director": {
                "id": 747694,
                "username": "kingkaio",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1167.6804695413712,
                        "deviation": 62.48738706337885,
                        "volatility": 0.06012577810744558
                    }
                },
                "ranking": 18.505561177652012,
                "professional": false,
                "ui_class": ""
            },
            "description": "join our group",
            "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": true,
            "group": {
                "id": 5683,
                "name": "Tournaments Group",
                "summary": "A group for people who like tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-06-25T20:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 30,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-25T20:33:30.944337Z",
            "ended": "2020-07-18T02:09:52.548171Z",
            "start_waiting": "2020-06-25T20:33:30.644225Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 58376,
            "name": "6th Cosmo Tournament: fast correspondence 19x19",
            "director": {
                "id": 446898,
                "username": "Dark Cosmos",
                "country": "150",
                "icon": "https://user-uploads.online-go.com/80006af13263a20bc006e67aba625553-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1892.8571702423064,
                        "deviation": 72.93769202214149,
                        "volatility": 0.05999417625510985
                    }
                },
                "ranking": 29.688588652541746,
                "professional": false,
                "ui_class": ""
            },
            "description": "Stay at home and play Go!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13440,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2844,
                "name": "CosmoSpirit",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-06T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-03T13:35:13.660784Z",
            "ended": "2020-08-13T17:04:57.639170Z",
            "start_waiting": "2020-04-03T13:35:13.402987Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 64811,
            "name": "19x19",
            "director": {
                "id": 804629,
                "username": "soy sauce jar and air",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/bbcb3dfe5c7515c1110d2c77da13b24d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1119.6630312470522,
                        "deviation": 71.24487544934807,
                        "volatility": 0.060018119132542104
                    }
                },
                "ranking": 17.53345792254406,
                "professional": false,
                "ui_class": ""
            },
            "description": "please join thx",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 13440,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18080,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-08-30T16:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-28T17:59:36.622818Z",
            "ended": "2020-08-29T13:47:13.853378Z",
            "start_waiting": "2020-08-28T17:59:36.533816Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 65314,
            "name": "Tournament",
            "director": {
                "id": 768074,
                "username": "Mingyuan   .",
                "country": "sg",
                "icon": "https://secure.gravatar.com/avatar/b402af3833f948842e80e4b325d3ba4b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1003.9031057587949,
                        "deviation": 70.21151166829048,
                        "volatility": 0.059977297602570125
                    }
                },
                "ranking": 15.007045948991804,
                "professional": false,
                "ui_class": ""
            },
            "description": "28 days",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 113280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4955,
                "name": "Weiqi To Go Main Group",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 50,
                "icon": "https://user-uploads.online-go.com/3ec3b761cd0703b1932dbe45f102bbe8-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-11T09:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-11T12:28:38.285861Z",
            "ended": "2020-09-21T10:57:12.057244Z",
            "start_waiting": "2020-09-11T12:28:38.138340Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/3ec3b761cd0703b1932dbe45f102bbe8-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 123161,
            "name": "Fun tournament",
            "director": {
                "id": 1053363,
                "username": "Dean_Huawei",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/8ba2f57b818d3e60115468503df064a6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 755.1535669003812,
                        "deviation": 66.541419992615,
                        "volatility": 0.060035846864767366
                    }
                },
                "ranking": 8.415554344254035,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 432000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 11147,
                "name": "tetris go (match every stones) :D",
                "summary": "play go and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-12T10:00:00Z",
            "players_start": -11,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-12T10:00:53.610347Z",
            "ended": "2024-12-12T10:00:53.599516Z",
            "start_waiting": "2024-12-12T10:00:53.568908Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b9b259cf2e85ecb12af44bfe88722295-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 138519,
            "name": "9x9 Mini League 10k-25k #379",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1363.5065619869745,
                        "deviation": 70.81622998699714,
                        "volatility": 0.060266656549550976
                    }
                },
                "ranking": 22.094747815455175,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "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": true,
            "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": 713,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-03-22T20:05:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-03-22T16:36:50.016472Z",
            "ended": "2026-06-05T00:15:27.838426Z",
            "start_waiting": "2026-03-22T16:36:49.724122Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 138761,
            "name": "HAPPY GO #141 Double Elimination",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2017.340321719877,
                        "deviation": 70.91600004574613,
                        "volatility": 0.059770902983778025
                    }
                },
                "ranking": 31.163071267870347,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete directly.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 43884,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 86400,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-05T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-05T04:00:17.182035Z",
            "ended": null,
            "start_waiting": "2026-04-05T04:00:16.923585Z",
            "board_size": 19,
            "active_round": 2,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 15290,
            "name": "KILO REN",
            "director": {
                "id": 230322,
                "username": "GOmaster4578",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/607174cd9900a29cf9a6ff97b7908fc0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 911.6131248346973,
                        "deviation": 142.2301863924972,
                        "volatility": 0.059992212407949115
                    }
                },
                "ranking": 12.774573556751983,
                "professional": false,
                "ui_class": ""
            },
            "description": "LOL!!!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86406,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 600,
                "max_time": 777600,
                "time_increment": 86400
            },
            "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": 1798,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-02-29T23:51:00Z",
            "players_start": 10,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-06-20T04:21:54.931942Z",
            "ended": "2016-07-01T20:36:10.825996Z",
            "start_waiting": "2016-06-20T04:21:54.773287Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}