List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-id&page=2969
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59069,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=2970",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=2968",
    "results": [
        {
            "id": 71028,
            "name": "初心者リーグ(~15級まで)",
            "director": {
                "id": 874208,
                "username": "FUKO.S",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
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                        "deviation": 68.94747429756583,
                        "volatility": 0.06003767154281009
                    }
                },
                "ranking": 33.25527075653788,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "キラキラリーグ内の【初心者~初級者向け】リーグ戦です。 持ち時間は10日。 2021年2月11日のリーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 9600,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 864000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-11T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-02-11T03:00:13.642120Z",
            "ended": "2021-02-24T12:09:38.576804Z",
            "start_waiting": "2021-02-11T03:00:13.594025Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 71027,
            "name": "有段リーグ(初段以上)",
            "director": {
                "id": 776731,
                "username": "AYAMI.S",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png",
                "ratings": {
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                },
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                "professional": false,
                "ui_class": ""
            },
            "description": "キラキラリーグ内の【有段者向け】リーグ戦です。 持ち時間は10日間。 2021年2月11日のリーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 9600,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 864000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-11T03:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-02-11T03:00:12.860204Z",
            "ended": "2021-03-11T13:15:09.721083Z",
            "start_waiting": "2021-02-11T03:00:12.191295Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 71026,
            "name": "Blitz 19x19 Elimination Tournament 2021-02-05 09:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                    }
                },
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                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260321T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-03-21T13:00:19.193255Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
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                "size": 19,
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                    "main_time": 120,
                    "periods": 5
                },
                "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": "2026-03-21T17:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-02-05T09:30:15.036565Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-05T09:30:16.565506Z",
            "ended": "2021-02-05T10:06:52.426686Z",
            "start_waiting": "2021-02-05T09:30:16.363239Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 71024,
            "name": "Blitz 13x13 Swiss Tournament 2021-02-05 07:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 3,
                "name": "Blitz 13x13 Swiss Tournament",
                "rrule": "DTSTART:20260321T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:27:45.234995Z",
                "last_run": "2026-03-21T11:00:19.191917Z",
                "lead_time_seconds": 1800,
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                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "time_control_parameters": {
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                },
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                "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": "2026-03-21T15:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
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                "time_control": "byoyomi",
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                "main_time": 300,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2021-02-05T07:30:09.956578Z",
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            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-02-05T07:30:11.621250Z",
            "ended": "2021-02-05T08:10:06.222186Z",
            "start_waiting": "2021-02-05T07:30:11.464957Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 71023,
            "name": "Live 9x9 Double Elimination Tournament 2021-02-05 06:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                },
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                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
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                "name": "Live 9x9 Double Elimination Tournament",
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                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-21T14:00:19.202262Z",
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                "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": "2026-03-21T18:00:00Z",
                "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": "2021-02-05T06:30:07.438063Z",
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
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            "max_ranking": 36,
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            "exclusivity": "open",
            "started": "2021-02-05T06:30:09.175966Z",
            "ended": "2021-02-05T07:16:41.240483Z",
            "start_waiting": "2021-02-05T06:30:08.844300Z",
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            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 9,
            "ranked": true
        },
        {
            "id": 71022,
            "name": "Blitz 19x19 Elimination Tournament 2021-02-05 05:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
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                "created": "2014-12-20T06:06:42.010011Z",
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                    "main_time": 120,
                    "periods": 5
                },
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                    "lower_bar": "10",
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                    "maximum_players": 100
                },
                "next_run": "2026-03-21T17:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
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            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
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                "periods": 5
            },
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            "auto_start_on_max": false,
            "time_start": "2021-02-05T05:30:04.893077Z",
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            "first_pairing_method": "slide",
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            "ended": "2021-02-05T06:28:16.121382Z",
            "start_waiting": "2021-02-05T05:30:06.186115Z",
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            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
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            "ranked": true
        },
        {
            "id": 71020,
            "name": "Fast Correspondence 2021-02-12",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
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                },
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                "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.",
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            "title": null,
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                "pause_on_weekends": false,
                "time_increment": 28800,
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                "max_time": 172800
            },
            "is_open": true,
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            "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": 820,
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            "max_ranking": 38,
            "analysis_enabled": true,
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            "started": "2021-02-12T00:00:05.696747Z",
            "ended": "2021-03-18T22:10:17.100223Z",
            "start_waiting": "2021-02-12T00:00:04.379350Z",
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            "player_count": 10,
            "ranked": true
        },
        {
            "id": 71018,
            "name": "Live 9x9 Double Elimination Tournament 2021-02-05 02:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
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            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
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                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260321T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
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                "players_start": 4,
                "first_pairing_method": "slide",
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                "settings": {
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                    "maximum_players": 100
                },
                "next_run": "2026-03-21T18:00:00Z",
                "base_points": "10.0"
            },
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