GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5699
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 57946,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5700",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5698",
    "results": [
        {
            "id": 2150,
            "name": "alrobin's spring fever",
            "director": {
                "id": 34630,
                "username": "alrobin",
                "country": "ca",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9a1f6371d41d1958b4c65e1e45745441-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.830800055177,
                        "deviation": 62.42560226779237,
                        "volatility": 0.05992024860966723
                    }
                },
                "ranking": 17.88572258290358,
                "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": 380,
                "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": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-07-24T19:33:45Z",
            "ended": "2013-07-24T17:33:45Z",
            "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
        },
        {
            "id": 1299,
            "name": "stuffy_doll's mini-tournament",
            "director": {
                "id": 33015,
                "username": "minimillimaxi",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/11e34c028cf66b215e7c6e720d4bd6c4?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1280.7650892680251,
                        "deviation": 66.09103965176067,
                        "volatility": 0.0600341791144868
                    }
                },
                "ranking": 20.64550895641194,
                "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": 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": 380,
                "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": 7,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-01-13T05:40:56Z",
            "ended": "2011-01-13T04:40:56Z",
            "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
        },
        {
            "id": 2157,
            "name": "nwurd's mini-tournament #3",
            "director": {
                "id": 44739,
                "username": "nwurd",
                "country": "fr",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/75880773c73609ccce6e25ae0fa36e6a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1604.3401388320824,
                        "deviation": 66.97708824630594,
                        "volatility": 0.05977164166651812
                    }
                },
                "ranking": 25.860160313594587,
                "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": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 380,
                "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": 20,
            "max_ranking": 24,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-04-13T22:36:41Z",
            "ended": "2013-11-30T20:40:39.343880Z",
            "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
        },
        {
            "id": 132314,
            "name": "September 11 2025 Bot Challenge",
            "director": {
                "id": 1480332,
                "username": "Kata_speed",
                "country": "cn",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f95840501e8a57e554d3b8c0edd193b9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2717.5906546342494,
                        "deviation": 88.20637712418021,
                        "volatility": 0.06000292767618095
                    }
                },
                "ranking": 38,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "Come and beat the bot!",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 35,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12594,
                "name": "Doulet Media",
                "summary": "This is one of the Bot that allows Bots and welcome Bots because we developed bots and test them in here. Feel free to challenge Kata_web, our newest AI and welcome to join our ladders and tournaments and they all allow bots. -changcheng6541/Doulet Media",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 1937,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/d54616909c95182263b73a78d32b9412-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-09-12T23:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-09-12T23:00:33.990013Z",
            "ended": "2025-09-12T23:13:20.699611Z",
            "start_waiting": "2025-09-12T23:00:33.936494Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/d54616909c95182263b73a78d32b9412-15.png",
            "player_count": 2
        },
        {
            "id": 58743,
            "name": "Oster-Go-Treffen: Blitz 19x19 am Freitagabend",
            "director": {
                "id": 739466,
                "username": "Wilhelm_BadenGo",
                "country": "de",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f1ae93890215cad17648917be321fc97-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1167.9473530030036,
                        "deviation": 240.54409932754783,
                        "volatility": 0.060008152519407096
                    }
                },
                "ranking": 18.510851705624017,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Um einen Preis zu gewinnen, muss man sich zusätzlich über die Website badengo.org anmelden. Mitspielen darf jeder ab 25. Kyu",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 11,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 120,
                "max_time": 420
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4816,
                "name": "Baden-Go-Treffen Karlsruhe",
                "summary": "Gruppe für offene Online-Turniere des Badischen Go-Vereins",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/87e12d57033a4663cc2a5dd4768d1aa6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-10T18:05:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-10T18:05:18.092769Z",
            "ended": "2020-04-10T19:24:53.307537Z",
            "start_waiting": "2020-04-10T18:05:17.742755Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/87e12d57033a4663cc2a5dd4768d1aa6-15.png",
            "player_count": 4
        },
        {
            "id": 57733,
            "name": "Go enjoy competition",
            "director": {
                "id": 736022,
                "username": "楊博皓",
                "country": "hk",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/0bcc85dcf5138f903a59c1fc96b917bc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1541.604332011829,
                        "deviation": 65.76762527276921,
                        "volatility": 0.05999650627120625
                    }
                },
                "ranking": 24.93673238502052,
                "professional": false,
                "ui_class": ""
            },
            "description": "You can play go there if you want to play.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "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": 17457,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-03-20T07:30:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-03-20T13:55:54.933011Z",
            "ended": "2020-03-20T14:40:09.591805Z",
            "start_waiting": "2020-03-20T13:55:54.474393Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4
        },
        {
            "id": 59151,
            "name": "Tournament for players in 25 to 15 kyu group",
            "director": {
                "id": 760687,
                "username": "HHG",
                "country": "_United_Federation_of_Planets",
                "icon": "https://secure.gravatar.com/avatar/94b05df11403a71a7a364ac616a2b643?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1371.2634638577877,
                        "deviation": 64.34776638407621,
                        "volatility": 0.06015708590051567
                    }
                },
                "ranking": 22.22607349050463,
                "professional": false,
                "ui_class": ""
            },
            "description": "Daily tournament at 2:00 PM for 25 to 15 kyu.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 18,
            "time_control_parameters": {
                "system": "canadian",
                "time_control": "canadian",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 300,
                "stones_per_period": 25
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5144,
                "name": "Go players",
                "summary": "For all go players - feel free to join!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ec48471c12af9fa68f6f30d6c700930-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-19T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-04-19T18:00:53.585935Z",
            "ended": "2020-04-19T18:31:17.504974Z",
            "start_waiting": "2020-04-19T18:00:53.087404Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ec48471c12af9fa68f6f30d6c700930-15.png",
            "player_count": 5
        },
        {
            "id": 2151,
            "name": "GOing2's mini-tournament",
            "director": {
                "id": 24187,
                "username": "GOing2",
                "country": "us",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/5166c7e52d4abb34d4fef9b326a948aa-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1697.0847697997315,
                        "deviation": 62.503937105265074,
                        "volatility": 0.05994757075258442
                    }
                },
                "ranking": 27.161176288224727,
                "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": 380,
                "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": 19,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-19T15:18:04Z",
            "ended": "2013-08-19T13:18:04Z",
            "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
        },
        {
            "id": 2152,
            "name": "3rd sojiro's mini",
            "director": {
                "id": 26067,
                "username": "sojiro",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ae9e9f82694dd345a1b73959e5bff557?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1653.3706280112874,
                        "deviation": 65.6403172878186,
                        "volatility": 0.05995340979497268
                    }
                },
                "ranking": 26.55705553962402,
                "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": 380,
                "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": 7,
            "max_ranking": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-09-10T20:34:09Z",
            "ended": "2013-09-10T18:34:09Z",
            "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
        },
        {
            "id": 2153,
            "name": "Thyderion's Fast 19x19",
            "director": {
                "id": 43865,
                "username": "Thyderion",
                "country": "us",
                "icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/35cc77b9f871cc1115eefc9d08aeb8fc-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1695.92176996606,
                        "deviation": 64.0625323842533,
                        "volatility": 0.05984981126614199
                    }
                },
                "ranking": 27.145306323408366,
                "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": 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": 380,
                "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": 4,
            "max_ranking": 14,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-08-29T03:47:16Z",
            "ended": "2013-08-29T01:47:16Z",
            "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
        }
    ]
}