List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1693
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60882,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1694",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1692",
    "results": [
        {
            "id": 68394,
            "name": "2020-11-30",
            "director": {
                "id": 883109,
                "username": "Anastasia934",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/e7f00c7c0ce150903f43e343a57a49bf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1094.8721445773936,
                        "deviation": 64.1948364858321,
                        "volatility": 0.06000760044230948
                    }
                },
                "ranking": 17.015125219153393,
                "professional": false,
                "ui_class": ""
            },
            "description": "1st........",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7476,
                "name": "ntgogogo",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-11-30T05:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-11-30T15:20:57.092683Z",
            "ended": "2021-02-22T15:27:25.149145Z",
            "start_waiting": "2020-11-30T15:20:56.931989Z",
            "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": 59597,
            "name": "teaching",
            "director": {
                "id": 765332,
                "username": "nilan10",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/1f574d60fda4d8504f19432873aa1d2d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1242.030754907098,
                        "deviation": 64.88231554663923,
                        "volatility": 0.060072775433412766
                    }
                },
                "ranking": 19.934575240306664,
                "professional": false,
                "ui_class": ""
            },
            "description": "teaching",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 28,
                "name": "Teaching League",
                "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 4515,
                "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-25T11:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-26T08:33:03.403109Z",
            "ended": "2020-07-05T03:20:38.686622Z",
            "start_waiting": "2020-04-26T08:33:03.183100Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 138254,
            "name": "Correspondence 19x19 RoundRobin 2026-03-14 19:00",
            "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": "Automatic Site-wide Tournament",
            "schedule": {
                "id": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20260828T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-08-28T19:00:32.092524Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 432000,
                    "time_increment": 86400
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": true,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slaughter",
                "subsequent_pairing_method": "slaughter",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 10
                },
                "next_run": "2026-08-31T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2026-03-14T19:00:11.193913Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-03-14T19:01:11.203100Z",
            "ended": null,
            "start_waiting": "2026-03-14T19:01:11.015048Z",
            "board_size": 19,
            "active_round": 1,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 142713,
            "name": "1st baduk worldcup",
            "director": {
                "id": 2006904,
                "username": "Chaerogo",
                "country": "kr",
                "icon": "https://user-uploads.online-go.com/e5b5119c6e6facdc584577e79502ceb9-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 777.8212727866395,
                        "deviation": 63.431777256302595,
                        "volatility": 0.06007238835560718
                    }
                },
                "ranking": 9.10023047641131,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "This tournament is a Go World Cup open to anyone who plays well on OGS. If you're confident in your skills, feel free to join!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 16383,
                "name": "바둑ogs온라인 기원",
                "summary": "나쁜 짓말고 그냥 재미로 임하세요 한번 들어오고 나가도 되니까 바둑 열심히 두세요",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/629e405e409fbc38228856f47c051d56-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-12-31T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/629e405e409fbc38228856f47c051d56-15.png",
            "player_count": 24,
            "ranked": true
        },
        {
            "id": 81941,
            "name": "OOF (*^▽^*)",
            "director": {
                "id": 1014107,
                "username": "tayru_",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/a4b810a81f52ecff8f9ce80a171d1891-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 838.2215958046144,
                        "deviation": 65.13428373502451,
                        "volatility": 0.06007050504520419
                    }
                },
                "ranking": 10.831520088131157,
                "professional": false,
                "ui_class": ""
            },
            "description": "OOF oof OOF oof OOF",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 9269,
                "name": "Roblox lovers",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://user-uploads.online-go.com/d0af49b97f774bb2b45d1545305baef6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-11-06T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-11-05T10:06:29.973363Z",
            "ended": "2022-04-01T18:03:12.082044Z",
            "start_waiting": "2021-11-05T10:06:29.591829Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d0af49b97f774bb2b45d1545305baef6-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 59490,
            "name": "Tonbridge School Go",
            "director": {
                "id": 699137,
                "username": "maxgilbey123",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/c1c5d46fd765b9615bca8222b4572c57?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1247.992630350689,
                        "deviation": 105.43628639678855,
                        "volatility": 0.05999907359935118
                    }
                },
                "ranking": 20.045431773682612,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good Luck",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 113280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 2419200,
                "max_time": 2419200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 4193,
                "name": "Tonbridge School Go",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/e5934791779023739fe6350d83401c84-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-23T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-24T23:20:39.161050Z",
            "ended": "2020-10-26T10:47:12.979556Z",
            "start_waiting": "2020-04-24T23:20:38.341319Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e5934791779023739fe6350d83401c84-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72009,
            "name": "2月歷碁賽 第一輪 王一甫VS 莫霆軒",
            "director": {
                "id": 928963,
                "username": "傳碁學園-歷碁賽",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "2月歷碁賽 第一輪 王一甫VS 莫霆軒",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1500
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8175,
                "name": "歷碁賽 A組",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 9,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-02-28T08:15:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-02-28T08:03:11.538029Z",
            "ended": "2021-02-28T08:47:10.489118Z",
            "start_waiting": "2021-02-28T08:03:11.441075Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 59126,
            "name": "der22",
            "director": {
                "id": 466732,
                "username": "percehaie",
                "country": "fr",
                "icon": "https://user-uploads.online-go.com/66b39481d5e6b5acbfc866e326c84706-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1074.7077479286818,
                        "deviation": 63.190905096195884,
                        "volatility": 0.06013100534072089
                    }
                },
                "ranking": 16.584793774982078,
                "professional": false,
                "ui_class": ""
            },
            "description": "9X9temps reel",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 10,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 60,
                "max_time": 60
            },
            "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": 18129,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-16T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-25T13:57:16.292268Z",
            "ended": "2020-04-25T14:07:17.059613Z",
            "start_waiting": "2020-04-25T13:57:15.894206Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 72166,
            "name": "book club  tornament #1",
            "director": {
                "id": 820430,
                "username": "kyarameru",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/a44b9d50d812319ec2ae63a0b3e1396d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 975.4598306487928,
                        "deviation": 74.0752389803522,
                        "volatility": 0.06000469852005119
                    }
                },
                "ranking": 14.341673131102585,
                "professional": false,
                "ui_class": ""
            },
            "description": "hi my first ever time making a tornament . hope you enjoy and have fun games. if there are any issues as i said it is my first time doing a tornament and all. i would like the advise. thanks for the fun chats on book club. 😄✌🤞👋",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 8329,
                "name": "book club",
                "summary": "book readers who love go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
                "icon": "https://user-uploads.online-go.com/ece821f09e93e232095a2e0427da1aa5-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2021-03-12T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-03-12T21:00:38.633638Z",
            "ended": "2021-09-21T01:24:08.657080Z",
            "start_waiting": "2021-03-12T21:00:38.258058Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ece821f09e93e232095a2e0427da1aa5-15.png",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 70004,
            "name": "TestTourn",
            "director": {
                "id": 751480,
                "username": "IceTsunami",
                "country": "_Tibet",
                "icon": "https://user-uploads.online-go.com/af50490dfea3295e8e9172305d92e28f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1196.2312656807467,
                        "deviation": 81.32419211783879,
                        "volatility": 0.06000695930662531
                    }
                },
                "ranking": 19.06478939401627,
                "professional": false,
                "ui_class": ""
            },
            "description": "test tset",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 0,
            "time_control_parameters": {
                "system": "none",
                "time_control": "none",
                "speed": "correspondence",
                "pause_on_weekends": false
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7212,
                "name": "TheLeagueOfExtraordinaryPhysicists",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-01-11T17:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-01-11T17:00:00.299896Z",
            "ended": "2021-01-11T17:02:53.446105Z",
            "start_waiting": "2021-01-11T17:00:00.219818Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        }
    ]
}