List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=handicap&page=9
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59883,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=handicap&page=10",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=handicap&page=8",
    "results": [
        {
            "id": 63070,
            "name": "The last time tournament",
            "director": {
                "id": 740429,
                "username": "LeaPatt",
                "country": "_Scotland",
                "icon": "https://secure.gravatar.com/avatar/00020530127d2368c50afbde202f5228?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1006.175354879606,
                        "deviation": 66.78287239347797,
                        "volatility": 0.06005671578336155
                    }
                },
                "ranking": 15.05938479106512,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for the last games club",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 15,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4568,
                "name": "Scotland Youth Team",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 64,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-07-13T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-13T15:00:19.997906Z",
            "ended": "2020-08-10T14:49:35.103632Z",
            "start_waiting": "2020-07-13T15:00:19.603597Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 1627,
            "name": "Sapphire's mini-tournament",
            "director": {
                "id": 34537,
                "username": "ogs-Sapphire",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/2db07628c544cbc8ce5a6248918dc28f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1495.1775115003575,
                        "deviation": 346.2623378862985,
                        "volatility": 0.05999992307819271
                    }
                },
                "ranking": 24.22883521134915,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": 384,
                "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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-04-28T10:46:14Z",
            "ended": "2012-04-28T08:46:14Z",
            "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": 57164,
            "name": "God of Go Summer training Tournament 19x19",
            "director": {
                "id": 681235,
                "username": "johannguyen",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/5b71579a2dd747619908f8c25e7257b3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1786.0753867808758,
                        "deviation": 64.7454226166136,
                        "volatility": 0.060078710528863946
                    }
                },
                "ranking": 28.344343935517347,
                "professional": false,
                "ui_class": ""
            },
            "description": "Join this tournament for friendly training game!\n\nDon’t forget to join and encourage others to join our tournament and group.\n\nHave a good day!\n\nGroup link: https://online-go.com/group/4006",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 259200,
                "period_time": 86400,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 4006,
                "name": "God of Go",
                "summary": "FIRST DECENTRALIZED GO LEARNING AND PLAYING PLATFORM",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 412,
                "icon": "https://user-uploads.online-go.com/e758f131015bdcdb1ffce1d7e8b77f6d-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-05-05T06:00:00Z",
            "players_start": 20,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 10,
            "max_ranking": 34,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-05T00:02:25.374414Z",
            "ended": "2022-06-27T08:25:46.289226Z",
            "start_waiting": "2020-05-05T00:02:18.237452Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e758f131015bdcdb1ffce1d7e8b77f6d-15.png",
            "player_count": 100,
            "ranked": true
        },
        {
            "id": 2434,
            "name": "Meijin Handicap Title Tournament 2011",
            "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": "Meijin Handicap Title Tournament 2011",
            "schedule": null,
            "title": {
                "id": 3,
                "name": "Meijin Handicap Title Tournament",
                "holder": {
                    "id": 34056,
                    "username": "csaba",
                    "country": "hu",
                    "icon": "https://secure.gravatar.com/avatar/acc21dc869238249e9b4986f52380d95?s=64&d=retro",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 1344.3999669799714,
                            "deviation": 63.80619152307101,
                            "volatility": 0.05974111989061292
                        }
                    },
                    "ranking": 21.76805632136247,
                    "professional": false,
                    "ui_class": "supporter"
                },
                "rules": "japanese",
                "tournament_type": "s_elimination"
            },
            "tournament_type": "s_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-12-31T23:00:02Z",
            "ended": "2010-12-31T23:00:02Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/meijin_19.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 73639,
            "name": "April 17   Handicap tournament",
            "director": {
                "id": 380817,
                "username": "look info döskee",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1001.1282744304297,
                        "deviation": 68.63680878166396,
                        "volatility": 0.058646562422007574
                    }
                },
                "ranking": 14.942969758566955,
                "professional": false,
                "ui_class": ""
            },
            "description": "With chinese rules",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 175680,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 259200,
                "period_time": 172800,
                "periods": 3
            },
            "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": "2021-04-17T12:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-17T12:00:32.374553Z",
            "ended": "2022-04-26T19:31:36.150179Z",
            "start_waiting": "2021-04-17T12:00:31.373619Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 2921,
            "name": "30Ks 9x9 Mini-Tournament ",
            "director": {
                "id": 67357,
                "username": "Lein@d Why?",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/3a7c340bccabcef9661d2dc18ff12905-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1206.3338535720202,
                        "deviation": 62.726993542191146,
                        "volatility": 0.06012340100410309
                    }
                },
                "ranking": 19.25947821741587,
                "professional": false,
                "ui_class": ""
            },
            "description": "Yeah, that's right 30Ks only.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 13,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 300,
                "max_time": 6900,
                "time_increment": 10
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 222,
                "name": "Low-Rating 30k's",
                "summary": "A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 279,
                "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 0,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-05-14T18:42:41.455654Z",
            "ended": "2014-05-14T19:12:16.235329Z",
            "start_waiting": "2014-05-14T18:42:40.864004Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 73356,
            "name": "初級リーグ(14級~10級)",
            "director": {
                "id": 874208,
                "username": "FUKO.S",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2208.151542128061,
                        "deviation": 68.94747429756583,
                        "volatility": 0.06003767154281009
                    }
                },
                "ranking": 33.25527075653788,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "キラキラリーグ内の【初級向け】リーグ戦です。 持ち時間は10日。 2021年4月8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": "2021-04-08T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-04-08T11:00:22.036252Z",
            "ended": "2021-04-23T14:03:37.303509Z",
            "start_waiting": "2021-04-08T11:00:21.786124Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 44709,
            "name": "2019 - Winter Lviv Tournament - 25-14k",
            "director": {
                "id": 427977,
                "username": "OleksandrPshenychnyy",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/d549d0e6e73d804c76aa49a720165e9a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1624.0076213257485,
                        "deviation": 61.29775949550521,
                        "volatility": 0.05994867627064001
                    }
                },
                "ranking": 26.142228966889952,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "2019 - Winter Lviv Tournament - 25-12k",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35520,
            "time_control_parameters": {
                "period_time": 604800,
                "main_time": 604800,
                "system": "canadian",
                "pause_on_weekends": true,
                "time_control": "canadian",
                "stones_per_period": 21,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 1460,
                "name": "Lviv Club",
                "summary": "Lviv Go Players Group",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 28,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2019-01-21T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2019-01-21T15:00:54.853921Z",
            "ended": "2019-03-29T09:09:39.857371Z",
            "start_waiting": "2019-01-21T15:00:54.382774Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 126119,
            "name": "Awesome go stuff! is the best club",
            "director": {
                "id": 1077187,
                "username": "earthbennder07",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/eee5640fa695f99a1c426ea24928c747?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 823.8222298557065,
                        "deviation": 65.69133250462401,
                        "volatility": 0.06002354782440331
                    }
                },
                "ranking": 10.430383057787877,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun guys :)\n\nthis is our first tournament in a while so give it you all.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 432000,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9255,
                "name": "Awesome Go Stuff",
                "summary": "For 15-24k players to learn at a growing level",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 20,
                "icon": "https://user-uploads.online-go.com/363ef1f3ab50712e69c408743510cb78-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-03-08T21:03:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-03-08T21:03:15.512331Z",
            "ended": "2025-05-14T15:39:42.256029Z",
            "start_waiting": "2025-03-08T21:03:15.439596Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/363ef1f3ab50712e69c408743510cb78-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 952,
            "name": "Fragnix's Famous Freshman Fest - Fast Firteen",
            "director": {
                "id": 27708,
                "username": "fragnix",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f923149275abc4f0c8a031e8a9f991db-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1288.262978420763,
                        "deviation": 62.03911131299328,
                        "volatility": 0.0599600014565973
                    }
                },
                "ranking": 20.780639147409133,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "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": 384,
                "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": 11,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-09-17T14:03:16Z",
            "ended": "2009-09-17T12:03:16Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}