List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=44
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59897,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=45",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=43",
    "results": [
        {
            "id": 90775,
            "name": "9x9 Open D.E. Cup #24",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1345.474647764824,
                        "deviation": 70.70443013445312,
                        "volatility": 0.06020904242046195
                    }
                },
                "ranking": 21.78655447838191,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 704,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-06-12T20:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-06-07T02:46:05.750325Z",
            "ended": "2022-11-03T22:11:07.434895Z",
            "start_waiting": "2022-06-07T02:46:05.595739Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 122042,
            "name": "Pirates & Parrots ! Tournament #2 (Do your best to seize the victory treasure)",
            "director": {
                "id": 1479473,
                "username": "奕时奕猷",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/9572aa46fbc22206833b7c78bbde6516-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 824.15575102247,
                        "deviation": 80.44087622650385,
                        "volatility": 0.06002558642246016
                    }
                },
                "ranking": 10.439753346961126,
                "professional": false,
                "ui_class": ""
            },
            "description": "Pirate treasure plunder battle competition",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 88451,
            "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": 13979,
                "name": "Pirates & Parrots !",
                "summary": "\n\n\n<a href=\"https://info.flagcounter.com/mQ62\"><img src=\"https://s11.flagcounter.com/count/mQ62/bg_000000/txt_FFFFFF/border_8000FF/columns_3/maxflags_12/viewers_0/labels_0/pageviews_0/flags_0/percent_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n<a href=\"https:/",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://user-uploads.online-go.com/1bce9672ed09a40198ff7c83ebcf0de6-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-11-12T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-11-12T13:01:18.532004Z",
            "ended": "2025-08-07T15:58:05.514434Z",
            "start_waiting": "2024-11-12T13:01:17.050664Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1bce9672ed09a40198ff7c83ebcf0de6-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 83606,
            "name": "Arpo 555",
            "director": {
                "id": 1063780,
                "username": "ArPo XI",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/1a70f0eda1cd44c6986e10c87ff2fdf0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1566.1003699641476,
                        "deviation": 63.20962683799533,
                        "volatility": 0.06062539082630159
                    }
                },
                "ranking": 25.301693073377773,
                "professional": false,
                "ui_class": ""
            },
            "description": "Arpo 555 no",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 40,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 900,
                "period_time": 30,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 10737,
                "name": "Go Players!!! 😃",
                "summary": "<h1> Have fun :) <h1>",
                "require_invitation": true,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 101,
                "icon": "https://user-uploads.online-go.com/89d0a6b04a47b75ae4a14890520e2309-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-01-02T06:08:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-02T06:08:34.170921Z",
            "ended": "2022-01-02T06:58:12.387024Z",
            "start_waiting": "2022-01-02T06:08:33.968801Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/89d0a6b04a47b75ae4a14890520e2309-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 139193,
            "name": "JORNADA 5 DE ENTRENAMIENTO BÁSICO DE GO VERANO 2026",
            "director": {
                "id": 798920,
                "username": "vaik.kanik",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/2d6b90dc29878481490e8286eaaeb49f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1116.3894591373814,
                        "deviation": 60.59466797679924,
                        "volatility": 0.059732167326301724
                    }
                },
                "ranking": 17.465674855011894,
                "professional": false,
                "ui_class": ""
            },
            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 51,
            "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": 14953,
                "name": "Kanik",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-12T00:35:00Z",
            "players_start": 2,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2026-04-12T00:35:35.196446Z",
            "ended": "2026-04-12T01:15:36.632933Z",
            "start_waiting": "2026-04-12T00:35:35.004131Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 98945,
            "name": "HAPPY GO #7",
            "director": {
                "id": 1220803,
                "username": "nobhaete",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2022.4349579844293,
                        "deviation": 71.47615098444015,
                        "volatility": 0.05981113957679926
                    }
                },
                "ranking": 31.221461095959125,
                "professional": false,
                "ui_class": ""
            },
            "description": "1 day/step, welcome and have fun!\n\nPause or vacation = DISQUALIFIED! If your opponent pauses or has a vacation, please contact nobhaete.\n\nDouble elimination tournament every Sunday.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-01-29T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 32,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-01-29T04:00:30.518412Z",
            "ended": "2023-05-04T01:19:23.558423Z",
            "start_waiting": "2023-01-29T04:00:30.381225Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 94597,
            "name": "ปวช.3/10 (14 ก.ย. 65)",
            "director": {
                "id": 1010331,
                "username": "PomSii",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/aa13948ef4fee733d9d956be746af4af?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1528.2940953430661,
                        "deviation": 69.12209408595301,
                        "volatility": 0.060086127774657355
                    }
                },
                "ranking": 24.735987039854813,
                "professional": false,
                "ui_class": ""
            },
            "description": "ปวช.3/10 (14 ก.ย. 65)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 7,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 240,
                "period_time": 5,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11950,
                "name": "ปวช.3/1, 3/3, 3/4, 3/10, 3/11, 3/12 (66\")",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-09-14T01:25:09.161413Z",
            "ended": "2022-09-14T01:49:06.110462Z",
            "start_waiting": "2022-09-14T01:25:09.000777Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 94598,
            "name": "ปวช.3/10 (14 ก.ย. 65) กลุ่ม 2",
            "director": {
                "id": 1010331,
                "username": "PomSii",
                "country": "th",
                "icon": "https://secure.gravatar.com/avatar/aa13948ef4fee733d9d956be746af4af?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1528.2940953430661,
                        "deviation": 69.12209408595301,
                        "volatility": 0.060086127774657355
                    }
                },
                "ranking": 24.735987039854813,
                "professional": false,
                "ui_class": ""
            },
            "description": "ปวช.3/10 (14 ก.ย. 65)",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 7,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 180,
                "period_time": 5,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 11950,
                "name": "ปวช.3/1, 3/3, 3/4, 3/10, 3/11, 3/12 (66\")",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 227,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T02:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-14T01:37:23.473063Z",
            "ended": "2022-09-14T01:53:16.696048Z",
            "start_waiting": "2022-09-14T01:37:23.328107Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 23307,
            "name": "Reviewing tournament",
            "director": {
                "id": 400795,
                "username": "GOlearner2020",
                "country": "_United_Federation_of_Planets",
                "icon": "https://user-uploads.online-go.com/75b66cadacbb746362462fb3667cf8bb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 902.505734654976,
                        "deviation": 78.48007825807701,
                        "volatility": 0.059966422113450615
                    }
                },
                "ranking": 12.542132498289494,
                "professional": false,
                "ui_class": ""
            },
            "description": "December 24th to 25th will be a tournament among low skilled players in order to gain some experience. Higher skilled players are encouraged to review games they participate in, outside reviewers are also welcome.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 600,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 600
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": true,
            "time_start": "2016-12-25T03:30:00Z",
            "players_start": 5,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-01-06T11:12:49.095667Z",
            "ended": "2017-01-06T11:42:49.807743Z",
            "start_waiting": "2017-01-06T11:12:48.891306Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 59541,
            "name": "Treaning 1",
            "director": {
                "id": 756229,
                "username": "mrrabbuit",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/95a91e6b595a49e91968bd28f3e90ce4-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1348.0847977490964,
                        "deviation": 156.13884872211037,
                        "volatility": 0.05999992557636363
                    }
                },
                "ranking": 21.831420754602473,
                "professional": false,
                "ui_class": ""
            },
            "description": "This is our first training. so, keep it fun and enjoy",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "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": 5118,
                "name": "SP Weiqi 2020/2021",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 21,
                "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-24T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-04-24T10:22:05.640280Z",
            "ended": "2020-04-24T10:40:21.353864Z",
            "start_waiting": "2020-04-24T10:22:04.895258Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 94538,
            "name": "Chess team selection 2022-23 (Go)",
            "director": {
                "id": 1052253,
                "username": "deleted-dc56f84a-d2f2-4d2a-9a58-ff17863da87a",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/f78d147a527ca1f3385685a67a92078d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2207.8632842597904,
                        "deviation": 64.95243623288472,
                        "volatility": 0.06008614594940232
                    }
                },
                "ranking": 33.252248497817156,
                "professional": false,
                "ui_class": ""
            },
            "description": "Good luck!",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "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": 12267,
                "name": "Chess team selection 2022-23 (Go)",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 12,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-09-14T06:44:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2022-09-14T06:44:55.738403Z",
            "ended": "2022-09-14T07:43:58.105944Z",
            "start_waiting": "2022-09-14T06:44:55.583386Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": true
        }
    ]
}