List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=155
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59644,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=156",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=154",
    "results": [
        {
            "id": 87978,
            "name": "Matsubushi",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 803.6705714414907,
                        "deviation": 64.60259982805724,
                        "volatility": 0.05991432696384124
                    }
                },
                "ranking": 9.85706594685124,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 119,
                "name": "TOKYO GO!",
                "summary": "Tokyo Go Players Meet Together!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 44,
                "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-03-30T12:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 13,
            "max_ranking": 16,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-25T14:22:00.847408Z",
            "ended": "2022-10-06T21:30:18.003436Z",
            "start_waiting": "2022-09-25T14:22:00.710553Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 43287,
            "name": "Come and G0!",
            "director": {
                "id": 565419,
                "username": "Birdcall5",
                "country": "_GoT_Martell",
                "icon": "https://secure.gravatar.com/avatar/70387fcc7a943ec8dbbfefecfc2eb7a8?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1060.127579461328,
                        "deviation": 62.424938179260415,
                        "volatility": 0.060014315031754764
                    }
                },
                "ranking": 16.268576272140127,
                "professional": false,
                "ui_class": ""
            },
            "description": "Come and Go!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "time_control": "simple",
                "speed": "live",
                "system": "simple",
                "pause_on_weekends": false,
                "per_move": 10
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17958,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2018-12-01T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-12-03T09:47:36.738595Z",
            "ended": "2018-12-03T09:57:37.941457Z",
            "start_waiting": "2018-12-03T09:47:36.097447Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 9104,
            "name": "Perth 19x19 September 2015",
            "director": {
                "id": 66704,
                "username": "mita va",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 754.0834621093887,
                        "deviation": 65.59093123242444,
                        "volatility": 0.05913654738732242
                    }
                },
                "ranking": 8.382725928853805,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "zt jut",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36960,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 86400,
                "max_time": 259200,
                "time_increment": 36000
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 261,
                "name": "Australia",
                "summary": "For Australian Go Players",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 304,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2015-09-14T16:59:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-09-14T16:59:59.231471Z",
            "ended": "2016-02-19T04:51:06.041261Z",
            "start_waiting": "2015-09-14T16:59:59.007708Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 15,
            "ranked": true
        },
        {
            "id": 138740,
            "name": "FNRRT: Round Robin for 25k-14k [FAST?] # III",
            "director": {
                "id": 1872546,
                "username": "Sch-Mentor",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 250,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Things to keep in mind:\n* Use the conditional move feature to speed up the game.\n* No pauses and no vacations are allowed; if any player switch it on, then they will be disqualified without further notice or reminder (unless they have an urgent matter to attend to and give notice to TD).\n* Disqualification will occur automatically by the site if a player loses by timeout (if they have more than 50 active games they will be disqualified by the TD too).\n* If disqualified by the TD, all outstanding games will be forfeited, which will affect the player’s ranking.\n* If you find that a player pauses the game, enters vacation mode or has bad behavior, please send a message to the TD.\n* And last but not least: no weekends, just make your move; it’s a tournament, my friend!\n\nNote: OGS has a new feature that automatically turns on vacation mode when a player is reaching a possible lost by timeout. Make sure to disable it in https://online-go.com/settings/vacation",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87768,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15509,
                "name": "Fast and narrow rank range tournaments",
                "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 77,
                "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2026-04-13T23:33:00Z",
            "players_start": 8,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-03T19:00:43.841411Z",
            "ended": null,
            "start_waiting": "2026-04-03T19:00:40.084734Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 1238,
            "name": "27-14 kyu (handicap play!)",
            "director": {
                "id": 31206,
                "username": "atreys",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/4325b2c05540fd863eea93b1359999b5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1555.8714861629242,
                        "deviation": 64.87379442957483,
                        "volatility": 0.05993093890550146
                    }
                },
                "ranking": 25.149994391740584,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "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"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 3,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-10-31T17:33:09Z",
            "ended": "2010-10-31T16:33:09Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1769,
            "name": "Very Mini Tournament 2nd Cycle",
            "director": {
                "id": 42360,
                "username": "Henrib736",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/cfd31e74c2d9b1ad2b6d571ecc820cf6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.0585409259156,
                        "deviation": 64.53637528197693,
                        "volatility": 0.06005390268858446
                    }
                },
                "ranking": 21.7793939100321,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 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"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-03-03T21:43:54Z",
            "ended": "2012-03-03T20:43:54Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 105335,
            "name": "Kranj 30",
            "director": {
                "id": 134125,
                "username": "mitava",
                "country": "at",
                "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 803.6705714414907,
                        "deviation": 64.60259982805724,
                        "volatility": 0.05991432696384124
                    }
                },
                "ranking": 9.85706594685124,
                "professional": false,
                "ui_class": ""
            },
            "description": "19x19",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 374,
                "name": "Slovenija",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 55,
                "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-07-15T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 12,
            "max_ranking": 16,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-07-15T15:00:47.950642Z",
            "ended": "2024-03-20T19:00:49.961468Z",
            "start_waiting": "2023-07-15T15:00:47.733701Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 458,
            "name": "druuchi's 4th mini-tournament",
            "director": {
                "id": 14911,
                "username": "druuchi",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/2c155a9fbc24ac5484b39f918a21753d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1079.3405041795304,
                        "deviation": 63.84470467904446,
                        "volatility": 0.05948949707650542
                    }
                },
                "ranking": 16.684372298782755,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "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"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 9,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-02-04T05:21:14Z",
            "ended": "2009-02-04T04:21:14Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 520,
            "name": "armakuni's MT for armakuni's son: please only <30kyu or  very(!) friendly players",
            "director": {
                "id": 18384,
                "username": "armakuni",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/fce7b36ab11ade0ed704ce60750dcfe2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1543.66134944842,
                        "deviation": 64.13306590760571,
                        "volatility": 0.059974233649116145
                    }
                },
                "ranking": 24.96760166217823,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "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"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 16,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-06-22T07:02:01Z",
            "ended": "2008-06-22T05:02:01Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 57626,
            "name": "Go Beginners - OPEN - Quarentine",
            "director": {
                "id": 75250,
                "username": "mcardenas",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/e99f42d2b8300f36dc8caaa5d5149fe4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 952.1642396684373,
                        "deviation": 65.15643795973772,
                        "volatility": 0.05996596142427853
                    }
                },
                "ranking": 13.782104285234388,
                "professional": false,
                "ui_class": ""
            },
            "description": "To play in quarentine.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 87360,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 86400,
                "max_time": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 177,
                "name": "GO Beginners",
                "summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 259,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-19T04:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 16,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-19T17:39:40.137773Z",
            "ended": "2020-03-27T23:34:02.117984Z",
            "start_waiting": "2020-03-19T17:39:38.597453Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        }
    ]
}