List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5888
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5889",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5887",
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            "name": "Mid-Speed Practice (9x9) #5",
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                "id": 1303195,
                "username": "eaglejoy",
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            "description": "<h2>Rules</h2>\n\n<ul>\n\n\n<li>Pause or Vacation setting is looked on as resigning all the rest games, resulting in \"Lost by Disqualification\" in the current game.</li>\n\n</ul>",
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                "id": 12936,
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                "summary": "Middle speed matches, not so hurry, not so slow.",
                "require_invitation": false,
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            },
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            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
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            "started": "2023-10-15T02:34:27.412070Z",
            "ended": "2023-10-30T01:48:22.915628Z",
            "start_waiting": "2023-10-15T02:34:27.185790Z",
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        },
        {
            "id": 2635,
            "name": "SDK Tournament",
            "director": {
                "id": 53398,
                "username": "V1rtu4ltr3e",
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                "icon": "https://secure.gravatar.com/avatar/e7af971a1e0648e7f404e8a9be48368c?s=64&d=retro",
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                },
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            },
            "description": "Tournament for Single-digit Kyus. Planned start on 23. November, or earlier if enough people joined.",
            "schedule": null,
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            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
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            "subsequent_pairing_method": "strength",
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            "analysis_enabled": false,
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        },
        {
            "id": 106331,
            "name": "Mid-Speed Practice (9x9) #2",
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                "id": 1341412,
                "username": "match_Mid-Speed.gr",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png",
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                },
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            },
            "description": "<h2>Rules</h2>\n\n<ul>\n\n\n<li>Time-out twice in a tournament, Pausing or Vacation setting is looked on as resigning all the rest games, resulting in \"Lost by Disqualified\".</li>\n\n</ul>",
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                "summary": "Middle speed matches, not so hurry, not so slow.",
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            },
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            "ended": "2023-08-17T21:18:39.132233Z",
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            "board_size": 9,
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            "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png",
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            "ranked": true
        },
        {
            "id": 70841,
            "name": "SDK small tournament",
            "director": {
                "id": 770016,
                "username": "Patience_Tester",
                "country": "gb",
                "icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png",
                "ratings": {
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                },
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            },
            "description": "have fun",
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            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 611520,
            "time_control_parameters": {
                "system": "byoyomi",
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                "pause_on_weekends": true,
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                "periods": 7
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 6273,
                "name": "19x19 Players",
                "summary": "19x19 enthusiasts",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            },
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            "min_ranking": 21,
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            "ended": "2021-06-23T11:00:11.676891Z",
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        },
        {
            "id": 95255,
            "name": "9x9 Mini League 1k-9k #43",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                "professional": false,
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            },
            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
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            },
            "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": "2022-10-16T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-11T14:32:11.283765Z",
            "ended": "2022-12-01T14:46:36.980371Z",
            "start_waiting": "2022-10-11T14:32:11.108871Z",
            "board_size": 9,
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            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 107634,
            "name": "2023.SEP 19X19 RoundRobin 9K~6K",
            "director": {
                "id": 1161013,
                "username": "朵兒普拉斯-doorplus-",
                "country": "_United_Nations",
                "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png",
                "ratings": {
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                        "rating": 1151.0937500744108,
                        "deviation": 63.06821920011851,
                        "volatility": 0.05991569077389414
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                },
                "ranking": 18.174361096243295,
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                "ui_class": ""
            },
            "description": "Attention: Time Setting for the Game.\n\n⭐️⭐️⭐️⭐️⭐️ When all players have finished the games, but there are still players who are disqualified by timeout. In order to keep the tournament going, the games with the disqualified players will be TERMINATED by the tournament director.                                       \n\n🍭Tips:                                                           \n1️⃣Disqualification will occur if a player loses by timeout.                                                        \n2️⃣If disqualified by the tournament director, all outstanding games will be forfeited, which will affect the player’s ranking.                                                \n                                                                 \n🍭The following rules must be obeyed to guarantee a respectful game:                                               \n1️⃣No pauses are allowed.                                     \n2️⃣No vacation mode is permitted. (If a player is on vacation, they and their opponent can still make a move, but time will be suspended. Soooooooooooo, vacation mode is absolutely NOT allowed.)                                   \n3️⃣Any player who is on vacation or has paused the game will be disqualified without further notice or reminder.   \n4️⃣If you find that a player pauses the game or enters vacation mode, please send a message to the tournament director.                                                      \n                                                                \nLet us strive to be respectful players.                        \nWe wish everyone a pleasant game and hope to gain something from our opponents. :)",
            "schedule": null,
            "title": null,
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            "handicap": 0,
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                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
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                "max_time": 1814400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12824,
                "name": "Way to GO",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "time_start": "2023-09-27T09:00:00Z",
            "players_start": 6,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 24,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-09-27T09:00:31.721699Z",
            "ended": "2023-12-05T06:41:24.916843Z",
            "start_waiting": "2023-09-27T09:00:31.402152Z",
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            "ranked": true
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        {
            "id": 2279,
            "name": "Handicap Challenge. Everyone has a chance to win but not easy.",
            "director": {
                "id": 50622,
                "username": "nhm0901",
                "country": "vn",
                "icon": "https://secure.gravatar.com/avatar/d2649fcac0e337d95904b71c15e4fb01?s=64&d=retro",
                "ratings": {
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                        "volatility": 0.05998325041363179
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                },
                "ranking": 35.00761059065794,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
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            "title": null,
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            "handicap": -1,
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            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "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"
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            "time_start": null,
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            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 21,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-07-27T07:11:47Z",
            "ended": "2013-12-03T02:43:42.377591Z",
            "start_waiting": null,
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 139322,
            "name": "13x13 Mini League 2d-9k #15",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
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                },
                "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.",
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            "tournament_type": "roundrobin",
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                "time_increment": 86400,
                "initial_time": 432000,
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            "exclude_provisional": true,
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                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
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                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "time_start": "2026-04-24T05:00:00Z",
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            "first_pairing_method": "slide",
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        {
            "id": 128305,
            "name": "9x9 Mini League 1k-9k #144",
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                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
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                "max_time": 604800
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            "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"
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            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
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            "player_count": 5,
            "ranked": true
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