List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=486
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59768,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=487",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=485",
    "results": [
        {
            "id": 58285,
            "name": "bwqgDnNzf43cBjx8rC755Xh",
            "director": {
                "id": 751025,
                "username": "bwqgDnNzf43cBjx8rC75",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e934dd0bb9f383a2e17e2d2c039670f6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 667.9077791849643,
                        "deviation": 87.06217253009929,
                        "volatility": 0.06017209634684584
                    }
                },
                "ranking": 5.573405241896135,
                "professional": false,
                "ui_class": ""
            },
            "description": "bwqgDnNzf43cBjx8rC755Xh",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 3,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "blitz",
                "pause_on_weekends": false,
                "total_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 3004,
                "name": "kkkkkkkk",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-03-31T19:28:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2020-03-31T19:28:09.809827Z",
            "ended": "2020-03-31T19:32:07.430817Z",
            "start_waiting": "2020-03-31T19:28:09.272174Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 11286,
            "name": "Correspondence 9x9 RoundRobin 2015-10-04 01:00",
            "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 Sitewide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260526T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-05-26T19:00:16.982124Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "fischer",
                    "initial_time": 259200,
                    "pause_on_weekends": true,
                    "max_time": 259200,
                    "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": "2026-05-29T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2015-10-04T01:00:46.130343Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-10-04T01:01:05.992718Z",
            "ended": "2015-11-24T22:37:36.668599Z",
            "start_waiting": "2015-10-04T01:01:05.208583Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 77573,
            "name": "Neues Turnier",
            "director": {
                "id": 958639,
                "username": "niclas.grande",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e7f0073920fc4a99e42bb4a85a962fc6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1377.189496213404,
                        "deviation": 202.81087165165752,
                        "volatility": 0.06001793163044208
                    }
                },
                "ranking": 22.325902640660946,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Pexon Go Turnier",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 13,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 10,
                "initial_time": 300,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 9686,
                "name": "Pexon Go",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-07-15T16:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-07-15T15:20:17.803362Z",
            "ended": "2021-07-17T13:00:44.941512Z",
            "start_waiting": "2021-07-15T15:20:17.720640Z",
            "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": 122549,
            "name": "9x9 Mini League 10k-25k #265",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1249.5655502727834,
                        "deviation": 70.43292481869848,
                        "volatility": 0.06020767880536208
                    }
                },
                "ranking": 20.074590734857665,
                "professional": false,
                "ui_class": ""
            },
            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": 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": 700,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-12-01T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-01T17:49:19.872535Z",
            "ended": "2024-12-17T09:50:36.898080Z",
            "start_waiting": "2024-12-01T17:49:19.609935Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 44247,
            "name": "Reg Correspondence 9x9 10player Round Robin. Starts when full. Jan-'19B",
            "director": {
                "id": 497519,
                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
                "icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1574.954785564748,
                        "deviation": 61.40997215047312,
                        "volatility": 0.060088015249815864
                    }
                },
                "ranking": 25.432209892698047,
                "professional": false,
                "ui_class": ""
            },
            "description": "---\n-STARTS WHEN FULL - Does NOT pause on the weekend\n\n-Just one round. Ten players, nine games, Chinese Rules/Scoring\n\n-If this suits you then, Bonne Partie :)\n\n-Note: Provisional players allowed & welcome",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2014,
                "name": "The Nines 9x9 ",
                "summary": "9x9 Go!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 373,
                "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2019-01-06T12:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-01-05T19:56:54.491655Z",
            "ended": "2019-02-17T15:53:49.101526Z",
            "start_waiting": "2019-01-05T19:56:51.049526Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 76852,
            "name": "Hiiiiiiiiiii",
            "director": {
                "id": 1006991,
                "username": "WillMa",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/3b854740fb42fc74c8b43503d4f64f46?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1425.3905788313666,
                        "deviation": 65.04358839826483,
                        "volatility": 0.06003849668312953
                    }
                },
                "ranking": 23.12228674059785,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hffffffffff",
            "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": 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": 17985,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-06-29T03:00:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-06-29T09:37:21.476790Z",
            "ended": "2021-06-29T09:37:21.427802Z",
            "start_waiting": "2021-06-29T09:37:21.328043Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 106902,
            "name": "Third tournament - Round Robin",
            "director": {
                "id": 1290047,
                "username": "TaroMan",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/0a1bf82f79b8cfa1ec48474db6a9488f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1074.5194898914124,
                        "deviation": 64.06811999242666,
                        "volatility": 0.05991128509978694
                    }
                },
                "ranking": 16.580738202358354,
                "professional": false,
                "ui_class": ""
            },
            "description": "This will be round-robin style, so expect many games coming at once. Enjoy!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13496,
                "name": "Happy Beginners",
                "summary": "Good luck and have fun everyone :)",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-09-01T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 8,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-09-01T16:30:10.741673Z",
            "ended": "2023-09-19T03:39:18.694326Z",
            "start_waiting": "2023-09-01T16:30:10.655033Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 97974,
            "name": "Correspondence 19x19 RoundRobin 2022-12-18 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 Sitewide Tournament",
            "schedule": {
                "id": 6,
                "name": "Correspondence 19x19 RoundRobin",
                "rrule": "DTSTART:20260524T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-05-24T19:00:16.413509Z",
                "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": "2026-05-27T19:00:00Z",
                "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": "2022-12-18T19:00:40.905876Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-18T19:00:42.020649Z",
            "ended": "2023-09-15T10:07:58.526557Z",
            "start_waiting": "2022-12-18T19:00:41.753961Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 24925,
            "name": "This tournament",
            "director": {
                "id": 213982,
                "username": "Student29",
                "country": "_NATO",
                "icon": "https://user-uploads.online-go.com/46287ac4539b47a1893d4372c91a773d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1282.7971911477878,
                        "deviation": 72.24816324776937,
                        "volatility": 0.060021879947189494
                    }
                },
                "ranking": 20.68221036111673,
                "professional": false,
                "ui_class": ""
            },
            "description": "this is a cool tournament it is really cool so join it because its cool now.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 2419200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1472,
                "name": "Dadrian",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 10,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2017-02-23T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2017-02-23T00:00:56.488670Z",
            "ended": "2017-03-01T22:44:39.761856Z",
            "start_waiting": "2017-02-23T00:00:55.579206Z",
            "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": 59717,
            "name": "KaTrain selfplay",
            "director": {
                "id": 767655,
                "username": "katrain-dev",
                "country": "dk",
                "icon": "https://user-uploads.online-go.com/36d10f42fd3c0c022fd41d5aea21641c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2217.5714941400106,
                        "deviation": 65.77264340022225,
                        "volatility": 0.060296695904283736
                    }
                },
                "ranking": 33.35381836857881,
                "professional": false,
                "ui_class": "bot"
            },
            "description": "KaTrain selfplay",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": false,
            "group": {
                "id": 5460,
                "name": "KaTrain",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2020-04-27T13:15:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-27T13:15:17.936731Z",
            "ended": "2020-04-27T13:31:04.985569Z",
            "start_waiting": "2020-04-27T13:15:17.147303Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        }
    ]
}