List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4847
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59268,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4848",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4846",
    "results": [
        {
            "id": 59811,
            "name": "ronaldo",
            "director": {
                "id": 740352,
                "username": "Haaland Can",
                "country": "it",
                "icon": "https://user-uploads.online-go.com/bea4c463d9106aad9af8614de4aa0174-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 908.5516141194921,
                        "deviation": 62.836034696418736,
                        "volatility": 0.06010253014759615
                    }
                },
                "ranking": 12.69669704549219,
                "professional": false,
                "ui_class": ""
            },
            "description": "kljcldjflasjfolfwjo",
            "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": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 2970,
                "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-29T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-29T22:57:47.444917Z",
            "ended": "2020-08-30T12:50:03.694145Z",
            "start_waiting": "2020-04-29T22:57:46.538701Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 59898,
            "name": "24 and 25k tournament and 23k",
            "director": {
                "id": 748408,
                "username": "Sports for Life",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c6258ee239e8c0c6c2c9f59005725d81-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 774.2935361093267,
                        "deviation": 71.4033398364045,
                        "volatility": 0.059906278529480765
                    }
                },
                "ranking": 8.994996966313037,
                "professional": false,
                "ui_class": ""
            },
            "description": "24 and 25k only and 23k no vacation or pause",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "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": 5310,
                "name": "24 and 25k group",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/f5f3b05fe766ea36e99f24c9791f3725-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-02T14:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 7,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-05-02T14:00:25.709743Z",
            "ended": "2020-07-17T12:40:07.816674Z",
            "start_waiting": "2020-05-02T14:00:25.047101Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f5f3b05fe766ea36e99f24c9791f3725-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 120681,
            "name": "Correspondence 13x13 RoundRobin 2024-09-30 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 7,
                "name": "Correspondence 13x13 RoundRobin",
                "rrule": "DTSTART:20260407T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T06:00:14.582400Z",
                "last_run": "2026-04-07T19:00:21.261790Z",
                "lead_time_seconds": 86400,
                "tournament_type": "roundrobin",
                "handicap": 0,
                "rules": "japanese",
                "size": 13,
                "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": "2026-04-10T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 90782,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2024-09-30T19:00:58.809607Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-09-30T19:01:58.534856Z",
            "ended": "2024-11-26T05:12:11.514614Z",
            "start_waiting": "2024-09-30T19:01:58.301736Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 31151,
            "name": "Correspondence 9x9 RoundRobin 2017-10-17 01:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260405T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-04-05T19:00:18.080101Z",
                "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": "2026-04-08T19:00:00Z",
                "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,
                "pause_on_weekends": true,
                "max_time": 259200,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2017-10-17T01:00:01.356168Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-10-17T01:00:26.508643Z",
            "ended": "2017-10-24T16:35:29.994182Z",
            "start_waiting": "2017-10-17T01:00:25.749694Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 9380,
            "name": "Fight Club´s \"Fair Fights\" #2",
            "director": {
                "id": 91463,
                "username": "petit",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/fa3db5dae6a1029dc200cabda72dd8d3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1592.6954080290957,
                        "deviation": 65.36061228637242,
                        "volatility": 0.05968997028479681
                    }
                },
                "ranking": 25.691518641473003,
                "professional": false,
                "ui_class": ""
            },
            "description": "\"enjoy the procedure and the goal will unfold\"",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "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": {
                "id": 351,
                "name": "Fight Club",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 367,
                "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-07-27T20:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-07-27T20:00:11.935319Z",
            "ended": "2016-08-18T14:31:17.899088Z",
            "start_waiting": "2015-07-27T20:00:11.681816Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 62656,
            "name": "hihihihihihih",
            "director": {
                "id": 739180,
                "username": "leoinbk",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/5c8e72b6e3421ca0d63579a5a1630ef5?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1144.0057227017662,
                        "deviation": 62.47542977360111,
                        "volatility": 0.060014750452260436
                    }
                },
                "ranking": 18.031370905792297,
                "professional": false,
                "ui_class": ""
            },
            "description": "a,gh kbpdri;gjnae;drkj hg",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 31,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 120,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5729,
                "name": "SA Go Camp",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-01T21:08:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-01T21:08:55.722476Z",
            "ended": "2020-07-01T21:36:29.993980Z",
            "start_waiting": "2020-07-01T21:08:55.504472Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 61242,
            "name": "9x9 MGF tournament",
            "director": {
                "id": 56637,
                "username": "milanm",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1667.5608297105084,
                        "deviation": 67.79104199611285,
                        "volatility": 0.05992000277273562
                    }
                },
                "ranking": 26.754894713861862,
                "professional": false,
                "ui_class": "aga"
            },
            "description": "This is the tournament for Bebee school students, all the kids that just learned how to play get to compete between with each other.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 32,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 180,
                "max_time": 300
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5803,
                "name": "Massachusetts Go Foundation",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 49,
                "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-05-31T17:17:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-05-31T17:14:55.949171Z",
            "ended": "2020-05-31T18:06:53.824101Z",
            "start_waiting": "2020-05-31T17:14:55.434592Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png",
            "player_count": 13,
            "ranked": true
        },
        {
            "id": 78768,
            "name": "14/8 馬悅思\t馬彥彬",
            "director": {
                "id": 818416,
                "username": "傳碁學園",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1898.3468207617877,
                        "deviation": 71.28817954667363,
                        "volatility": 0.06041644550084839
                    }
                },
                "ranking": 29.755630942351214,
                "professional": false,
                "ui_class": ""
            },
            "description": "14/8 馬悅思\t馬彥彬",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 25,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 480,
                "period_time": 20,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7531,
                "name": "傳碁 C班",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 87,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2021-08-14T04:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2021-08-14T03:51:05.876341Z",
            "ended": "2021-08-14T04:09:13.446111Z",
            "start_waiting": "2021-08-14T03:51:05.814389Z",
            "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": 63937,
            "name": "Test tournament",
            "director": {
                "id": 822085,
                "username": "malewpro",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/daaab591bd38e93bd714a17da8a848ae?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1337.6891060937023,
                        "deviation": 290.31896371798047,
                        "volatility": 0.05999967537233814
                    }
                },
                "ranking": 21.652208749198074,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Not sure how this will work but we'll try it out",
            "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": false,
            "group": {
                "id": 6462,
                "name": "Mandt",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-04T20:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-05T11:30:57.778770Z",
            "ended": "2020-08-18T15:37:53.665906Z",
            "start_waiting": "2020-08-05T11:30:57.669997Z",
            "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": 131515,
            "name": "13x13 Mini League 10k-25k #21",
            "director": {
                "id": 1688153,
                "username": "Mittelmark",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1085.853799560171,
                        "deviation": 67.3768163524415,
                        "volatility": 0.060025167068784406
                    }
                },
                "ranking": 16.823651478136373,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 57,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-08-22T16:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2025-08-19T09:56:55.727987Z",
            "ended": "2025-10-15T17:52:52.406721Z",
            "start_waiting": "2025-08-19T09:56:55.613721Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 5,
            "ranked": true
        }
    ]
}