List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=id&page=2284
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59472,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=id&page=2285",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=id&page=2283",
    "results": [
        {
            "id": 57600,
            "name": "Fast Correspondence DDK 2020-03-26",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1546.697449074561,
                        "deviation": 62.030127804452256,
                        "volatility": 0.05973562432354513
                    }
                },
                "ranking": 25.01308876159974,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled mainly 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": 823,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-26T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 23,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-26T00:00:34.318762Z",
            "ended": "2020-05-10T08:35:18.854824Z",
            "start_waiting": "2020-03-26T00:00:29.745149Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 57601,
            "name": "13x13 tourney",
            "director": {
                "id": 672363,
                "username": "eugetheforce",
                "country": "001",
                "icon": "https://secure.gravatar.com/avatar/c5bac116eba074b9b933abaf5a3f0531?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1298.1561383859948,
                        "deviation": 61.20581660078182,
                        "volatility": 0.05999496320743794
                    }
                },
                "ranking": 20.95773942375272,
                "professional": false,
                "ui_class": ""
            },
            "description": "first tourney, let's get some games flowing",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "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": false,
            "group": {
                "id": 4587,
                "name": "brolaf",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-17T19:07:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-03-17T19:07:03.593223Z",
            "ended": "2020-04-28T18:53:06.740568Z",
            "start_waiting": "2020-03-17T19:07:03.256855Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 57602,
            "name": "Live 9x9 Double Elimination Tournament 2020-03-17 18:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260426T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-04-26T10:00:48.742587Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-04-26T14:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-03-17T18:30:01.029168Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-03-17T18:30:02.809487Z",
            "ended": "2020-03-17T18:58:33.190475Z",
            "start_waiting": "2020-03-17T18:30:01.935772Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 57603,
            "name": "3rd Atlanta 9x9 Fire: Final Group Actual",
            "director": {
                "id": 473434,
                "username": "DoubleSente",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1891.386906647593,
                        "deviation": 62.91280212348621,
                        "volatility": 0.05998964037582742
                    }
                },
                "ranking": 29.67060006447044,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is the actual tournament.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3777,
                "name": "Atlanta Go Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 87,
                "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-19T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-03-17T22:01:04.393335Z",
            "ended": "2020-04-04T03:43:41.245719Z",
            "start_waiting": "2020-03-17T22:01:02.607450Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 57604,
            "name": "Correspondence 19x19 RoundRobin 2020-03-18 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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:20260424T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-04-24T19:00:17.553063Z",
                "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": "2026-04-27T19:00:00Z",
                "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": "2020-03-18T19:00:06.632826Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-18T19:01:09.516336Z",
            "ended": "2020-07-24T08:04:03.820500Z",
            "start_waiting": "2020-03-18T19:01:05.174147Z",
            "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": 57607,
            "name": "Live 19x19 Swiss Tournament 2020-03-17 20:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 4,
                "name": "Live 19x19 Swiss Tournament",
                "rrule": "DTSTART:20260426T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:30:39.250689Z",
                "last_run": "2026-04-26T12:00:48.743137Z",
                "lead_time_seconds": 1800,
                "tournament_type": "swiss",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 600,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 6,
                "first_pairing_method": "random",
                "subsequent_pairing_method": "strength",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 40
                },
                "next_run": "2026-04-26T16:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-03-17T20:30:05.641847Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-03-17T20:30:08.513024Z",
            "ended": "2020-03-17T22:24:44.164733Z",
            "start_waiting": "2020-03-17T20:30:06.992601Z",
            "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": 57609,
            "name": "BGC Online wk1",
            "director": {
                "id": 75675,
                "username": "flexo37",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/aed35fddbbab02a96f4cd51229121646-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1413.1187048456793,
                        "deviation": 63.213410356049756,
                        "volatility": 0.06004694057739119
                    }
                },
                "ranking": 22.92211430892264,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Brighton Go Club #1",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 15,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 259,
                "name": "Brighton Go Club",
                "summary": "Group for anyone who plays Go in Brighton, UK",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 42,
                "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-17T20:10:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-17T20:10:07.066011Z",
            "ended": "2020-03-17T20:17:13.355431Z",
            "start_waiting": "2020-03-17T20:10:06.165080Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 57611,
            "name": "BGC wk1",
            "director": {
                "id": 75675,
                "username": "flexo37",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/aed35fddbbab02a96f4cd51229121646-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1413.1187048456793,
                        "deviation": 63.213410356049756,
                        "volatility": 0.06004694057739119
                    }
                },
                "ranking": 22.92211430892264,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "BGC wk1",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 15,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 259,
                "name": "Brighton Go Club",
                "summary": "Group for anyone who plays Go in Brighton, UK",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 42,
                "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-17T20:23:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-03-17T20:23:07.529717Z",
            "ended": "2020-03-17T20:55:46.082703Z",
            "start_waiting": "2020-03-17T20:23:06.642394Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 57612,
            "name": "COVID-19 WallaWalla/La Grande Social Isolation Tournament",
            "director": {
                "id": 89030,
                "username": "vitamancy",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/00c427436959a6507d3bedcc602b218f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1872.0525098091975,
                        "deviation": 62.9230454310857,
                        "volatility": 0.059657991424637916
                    }
                },
                "ranking": 29.43273508240279,
                "professional": false,
                "ui_class": ""
            },
            "description": "How about an online tournament for Thursday?",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 651,
                "name": "Walla Walla Go Club",
                "summary": "A online club for Walla Walla Go Club members!",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://user-uploads.online-go.com/50b0788cbeea52c1d9674f76c3f9ec18-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-19T23:35:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-03-19T23:35:19.953396Z",
            "ended": "2020-03-19T23:53:01.459214Z",
            "start_waiting": "2020-03-19T23:35:17.311717Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/50b0788cbeea52c1d9674f76c3f9ec18-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 57614,
            "name": "13x13 Tourney",
            "director": {
                "id": 380189,
                "username": "Giroom",
                "country": "_Wales",
                "icon": "https://secure.gravatar.com/avatar/af944e8585b344f260d89dbceeddd432?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1686.669472948146,
                        "deviation": 61.92037772210349,
                        "volatility": 0.05995045881748621
                    }
                },
                "ranking": 27.01866305216732,
                "professional": false,
                "ui_class": ""
            },
            "description": "A 13x13",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 120,
                "period_time": 20,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 259,
                "name": "Brighton Go Club",
                "summary": "Group for anyone who plays Go in Brighton, UK",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 42,
                "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-17T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-03-17T21:23:55.915166Z",
            "ended": "2020-03-17T21:26:47.530618Z",
            "start_waiting": "2020-03-17T21:23:55.141375Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0fd5879c92ead717621f44b2844bc9c8-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}