List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=207
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59662,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=208",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=206",
    "results": [
        {
            "id": 8110,
            "name": "Open Tournament",
            "director": {
                "id": 103791,
                "username": "Ashurax",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1323.2452014190344,
                        "deviation": 61.103655008951236,
                        "volatility": 0.05992979294361819
                    }
                },
                "ranking": 21.400883734202964,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "First BIrmingham Club Tournament on OGS.\nAGA rules.\nEveryone is welcome to join.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 340,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 300,
                "main_time": 3600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 490,
                "name": "Birmingham Go Club",
                "summary": "We meet in the Friends of the Earth warehouse every Thursday from 6pm.\nFor more details check the facebook group https://www.facebook.com/groups/bhamgo\nIf anyone is passing by in Birmingham, England. please drop in and visit.\n\nFeel free to make tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 36,
                "icon": "https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-06-13T19:30:00Z",
            "players_start": 5,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-06-13T19:30:15.979552Z",
            "ended": "2015-06-13T23:56:24.950932Z",
            "start_waiting": "2015-06-13T19:30:15.868979Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e94ed1cb20a274b9de17988e54067e77-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 101475,
            "name": "3 -> 朱雋銘 4 -> 蕭浚瑜",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "3 -> 朱雋銘\n4 -> 蕭浚瑜",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7530,
                "name": "傳碁 D班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-24T10:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-03-24T09:48:31.157839Z",
            "ended": "2023-03-24T10:17:43.981753Z",
            "start_waiting": "2023-03-24T09:48:31.113689Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 8885,
            "name": "Takeda Ryu (10) for 7-14 Kyu Tournament",
            "director": {
                "id": 2183,
                "username": "udhar_nabresh",
                "country": "ro",
                "icon": "https://secure.gravatar.com/avatar/c00d28977111f76b775edc5ed92b2295?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1437.8593089702347,
                        "deviation": 62.57963973536934,
                        "volatility": 0.05929971003459532
                    }
                },
                "ranking": 23.323912821931756,
                "professional": false,
                "ui_class": ""
            },
            "description": "Mini-tournament for 7-14 Kyu players ... Onegaishimasu !...",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 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": 383,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2015-07-10T02:47:00Z",
            "players_start": 9,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 16,
            "max_ranking": 23,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-07-07T10:24:23.859727Z",
            "ended": "2015-11-11T10:23:51.182511Z",
            "start_waiting": "2015-07-07T10:24:22.921651Z",
            "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": 49391,
            "name": "Reg Cor. 9x9 10player R-Robin. Starts when full. Jun'19D",
            "director": {
                "id": 497519,
                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
                "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.954785564748,
                        "deviation": 61.40997215047312,
                        "volatility": 0.060088015249815864
                    }
                },
                "ranking": 25.432209892698047,
                "professional": false,
                "ui_class": ""
            },
            "description": "---\n- STARTS WHEN FULL & Does NOT pause on the weekend.\n\n- Just one round. Ten players, nine games, Chinese Rules/Scoring.\n\n- If this suits you then, Bonne Partie :)\n\n- Note: Provisional players allowed & welcome.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "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": false,
            "group": {
                "id": 2014,
                "name": "The Nines 9x9 ",
                "summary": "9x9 Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 373,
                "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-06-24T13:01:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-06-25T07:35:04.704572Z",
            "ended": "2019-08-30T19:18:19.027231Z",
            "start_waiting": "2019-06-25T07:34:56.694788Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 102217,
            "name": "9x9 Mini League 10k-25k #146",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1257.4677062675705,
                        "deviation": 69.47770027155092,
                        "volatility": 0.06021177612116814
                    }
                },
                "ranking": 20.220528581218108,
                "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": 698,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-23T19:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-17T16:00:33.168169Z",
            "ended": "2023-05-06T23:58:23.582258Z",
            "start_waiting": "2023-04-17T16:00:33.025155Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 98230,
            "name": "13×13",
            "director": {
                "id": 416935,
                "username": "Audrey07",
                "country": "_ASEAN",
                "icon": "https://user-uploads.online-go.com/493d6f2deebf947520f58c0b4bad165c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1818.1667193178046,
                        "deviation": 72.28392295185553,
                        "volatility": 0.060090579313919736
                    }
                },
                "ranking": 28.75659924984869,
                "professional": false,
                "ui_class": ""
            },
            "description": "13×13",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1384,
                "name": "SPbSU Go Club \"Nigiri\"",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 11,
                "icon": "https://user-uploads.online-go.com/d70ff56a92b62c2d8e0ae94eecd50f04-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-27T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-27T18:56:20.773658Z",
            "ended": "2023-11-06T05:22:02.346240Z",
            "start_waiting": "2022-12-27T18:56:20.580135Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d70ff56a92b62c2d8e0ae94eecd50f04-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 22691,
            "name": "9x9  Tournament - Greek group",
            "director": {
                "id": 147627,
                "username": "Alkimos Senpai",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/d432c54fd72b2b2f366d9e0558de9a48-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1739.0172130819014,
                        "deviation": 64.18676747060854,
                        "volatility": 0.06011822620666943
                    }
                },
                "ranking": 27.72622602199382,
                "professional": false,
                "ui_class": ""
            },
            "description": "Ένα φιλικό τουρνουά γνωριμίας. Καλή διασκέδαση σε όλους!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1363,
                "name": "Hellas - Greek Group",
                "summary": "Open for everyone speaking Greek.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 129,
                "icon": "https://user-uploads.online-go.com/0af1b9becacb1ef5e3a4a414acad174a-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-12-03T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-12-02T18:46:49.640392Z",
            "ended": "2016-12-14T20:11:46.105368Z",
            "start_waiting": "2016-12-02T18:46:46.507337Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0af1b9becacb1ef5e3a4a414acad174a-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 71013,
            "name": "TRAINING DE GO PLUS",
            "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": "TRAINING DE GO PLUS+",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "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": 3
            },
            "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": true,
            "time_start": "2021-02-04T23:38:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-04T23:38:51.398180Z",
            "ended": "2021-02-04T23:59:41.894456Z",
            "start_waiting": "2021-02-04T23:38:51.174637Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/53d0a90037da78f2a39241da6e40dc96-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 101593,
            "name": "19x19 Open League #12",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1257.4677062675705,
                        "deviation": 69.47770027155092,
                        "volatility": 0.06021177612116814
                    }
                },
                "ranking": 20.220528581218108,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 73,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-04-09T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-04-09T10:09:23.051833Z",
            "ended": "2023-10-20T22:51:13.628126Z",
            "start_waiting": "2023-04-09T10:09:22.634501Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 125806,
            "name": "13x13 New Zealand Open D.E. #16",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 90782,
            "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": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 80,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-04-05T03:13:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-04T20:37:02.835894Z",
            "ended": "2025-08-05T08:19:21.399862Z",
            "start_waiting": "2025-04-04T20:37:02.728372Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}