List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4893
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59279,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4894",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4892",
    "results": [
        {
            "id": 104307,
            "name": "Summer Solstice 2023 Double Digit Kyu Round Robin",
            "director": {
                "id": 58836,
                "username": "DrQuantum",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1016.7765085553511,
                        "deviation": 63.62934890388823,
                        "volatility": 0.058977195950646155
                    }
                },
                "ranking": 15.302019288332753,
                "professional": false,
                "ui_class": ""
            },
            "description": "Summer Solstice Double Digit Kyu Round Robin - Join up and celebrate the long days of summer!",
            "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",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3652,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2023-06-21T15:00:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-06-20T13:24:10.094488Z",
            "ended": "2024-02-05T21:49:58.352584Z",
            "start_waiting": "2023-06-20T13:24:09.752779Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 70980,
            "name": "Noobs",
            "director": {
                "id": 897911,
                "username": "DA NOOBBB",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/086971b8bc34557129e3d71e22f78026-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1241.806425236919,
                        "deviation": 62.007928196577325,
                        "volatility": 0.05999569580191999
                    }
                },
                "ranking": 19.93039362009397,
                "professional": false,
                "ui_class": ""
            },
            "description": "Eeeeeeeeeeeeeeeeeeeeee",
            "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": 7838,
                "name": "DA NOOOOOOOOOOOOOOOOOOOOOBS",
                "summary": "PLACE FOR NOOBS",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 17,
                "icon": "https://user-uploads.online-go.com/c49863a98b06ea695cdd4c2ed9a4320d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-04T04:31:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-04T04:31:00.853518Z",
            "ended": "2021-02-04T04:31:50.099887Z",
            "start_waiting": "2021-02-04T04:31:00.768159Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/c49863a98b06ea695cdd4c2ed9a4320d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 129055,
            "name": "13x13 Mini League 10k-25k #9",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.853799560171,
                        "deviation": 67.3768163524415,
                        "volatility": 0.060025167068784406
                    }
                },
                "ranking": 16.823651478136373,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 57,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-06-06T16:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-06-03T16:49:57.287295Z",
            "ended": "2025-07-09T12:07:30.357789Z",
            "start_waiting": "2025-06-03T16:49:57.131491Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 30641,
            "name": "Round kyu level Tournament 19x19",
            "director": {
                "id": 468086,
                "username": "Doghot",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/e31c8ab88e04cbdbd13e06ae42242fee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1662.0527779753013,
                        "deviation": 68.88432728319769,
                        "volatility": 0.059995888823802114
                    }
                },
                "ranking": 26.678302334679483,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hello",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88320,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": true,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9,
                "name": "Русская группа",
                "summary": "Интересные, призовые турниры.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1956,
                "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-10-06T05:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-09-30T03:03:42.603146Z",
            "ended": "2017-11-20T11:11:52.787728Z",
            "start_waiting": "2017-09-30T03:03:37.289143Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 122534,
            "name": "Dads Playing Go Merrily 2024",
            "director": {
                "id": 817493,
                "username": "nomad_fet",
                "country": "at",
                "icon": "https://secure.gravatar.com/avatar/1ef69b847f2150edf476ab32e88879dc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1602.75305440166,
                        "deviation": 82.87438412982597,
                        "volatility": 0.06001258766910021
                    }
                },
                "ranking": 25.83724797188839,
                "professional": false,
                "ui_class": ""
            },
            "description": "The next seasonal tournament for the Dads on a Map community",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 88451,
            "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": 6431,
                "name": "DoaM Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 35,
                "icon": "https://user-uploads.online-go.com/e1ad7601cadbc4d24000859231332d0f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-08T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2024-12-08T10:00:12.110345Z",
            "ended": "2025-09-02T20:04:42.886968Z",
            "start_waiting": "2024-12-08T10:00:11.529466Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e1ad7601cadbc4d24000859231332d0f-15.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 134184,
            "name": "9x9 Mini League 10k-25k #339",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1369.9928085016227,
                        "deviation": 69.31258725461282,
                        "volatility": 0.060203748322655244
                    }
                },
                "ranking": 22.20461203584344,
                "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": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-11-16T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-12T10:58:29.851404Z",
            "ended": "2025-12-09T07:50:09.857567Z",
            "start_waiting": "2025-11-12T10:58:29.714980Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 62474,
            "name": "Fast Correspondence 2020-07-04",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.8154120323293,
                        "deviation": 62.35054927797818,
                        "volatility": 0.05973663587354208
                    }
                },
                "ranking": 24.939901919425726,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 819,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-04T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-04T00:00:11.758560Z",
            "ended": "2020-08-16T09:09:39.938378Z",
            "start_waiting": "2020-07-04T00:00:09.866224Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 38210,
            "name": "Aaaaaaaa",
            "director": {
                "id": 472707,
                "username": "Rorimuha",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/8db3342c496531b5e52bf3d1829e9bed?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1516.498123369883,
                        "deviation": 65.47420203284265,
                        "volatility": 0.0595946253187008
                    }
                },
                "ranking": 24.55661314647885,
                "professional": false,
                "ui_class": ""
            },
            "description": "aaaaaaaa:(",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 300,
                "max_time": 300,
                "time_increment": 10,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1807,
                "name": "Isnirekikari",
                "summary": "Hi, this is a group for players with 25kyu till 1kyu. Especially beginners are welcome! In this group everyone should be able to play, without having to pay attention on the rank difference problem.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 9,
                "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-06-16T20:40:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-06-16T20:40:46.716262Z",
            "ended": "2018-06-16T20:46:46.893688Z",
            "start_waiting": "2018-06-16T20:40:46.214593Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 62480,
            "name": "Correspondence 19x19 RoundRobin 2020-06-28 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20260406T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-04-06T19:00:17.974344Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 432000,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-04-09T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-06-28T19:00:36.423392Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-28T19:00:42.393184Z",
            "ended": "2021-02-19T11:41:41.568445Z",
            "start_waiting": "2020-06-28T19:00:39.959550Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 7968,
            "name": "Reddit Round Robin #16 - Handicap - 20k-11k",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1297.847699678395,
                        "deviation": 63.11067156174039,
                        "volatility": 0.0595650699251379
                    }
                },
                "ranking": 20.952238387113375,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Round Robin, Handicap, Correspondence, 20k-11k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2284,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2015-06-15T18:30:00Z",
            "players_start": 8,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 19,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-06-03T18:07:27.405499Z",
            "ended": "2016-05-03T04:42:49.457540Z",
            "start_waiting": "2015-06-03T18:07:26.477258Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}