List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclude_provisional&page=579
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60341,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=exclude_provisional&page=580",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=exclude_provisional&page=578",
    "results": [
        {
            "id": 510,
            "name": "2nd Kuroi Neko Invitational -- By invitation only",
            "director": {
                "id": 925,
                "username": "nmb3rw9pf8a",
                "country": "",
                "icon": "https://secure.gravatar.com/avatar/7fa732b517cbed14a48843d74526c11a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2328.9918453060527,
                        "deviation": 156.83309587863613,
                        "volatility": 0.06000987291398867
                    }
                },
                "ranking": 34.488696511937015,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-08-12T09:25:07Z",
            "ended": "2008-08-12T07:25:07Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 509,
            "name": "1st Kuroi Neko Invitational -- For members of Kuroi Neko",
            "director": {
                "id": 925,
                "username": "nmb3rw9pf8a",
                "country": "",
                "icon": "https://secure.gravatar.com/avatar/7fa732b517cbed14a48843d74526c11a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2328.9918453060527,
                        "deviation": 156.83309587863613,
                        "volatility": 0.06000987291398867
                    }
                },
                "ranking": 34.488696511937015,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-08-13T03:06:16Z",
            "ended": "2008-08-13T01:06:16Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 133841,
            "name": "Sente Tournament 3",
            "director": {
                "id": 1864696,
                "username": "The Atari Union",
                "country": "in",
                "icon": "https://user-uploads.online-go.com/97a3545e27ab6dc2768c65861fc96dd0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 275.4271587796327,
                        "deviation": 83.19570494461763,
                        "volatility": 0.059985568052562735
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Weekly tournament join the aji union for more games",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 4787,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 15743,
                "name": "The Aji Union (+25k Beginners)",
                "summary": "This group is open for all and beginner friendly. If you do not wish to join this group try the The Opening Tournament on Oct 7th, it is called The Aji Tournament!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-10-31T22:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-03T23:38:22.763210Z",
            "ended": "2025-12-01T07:30:26.932010Z",
            "start_waiting": "2025-11-03T23:38:22.661117Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 66141,
            "name": "uyebrvywqptiuybit;",
            "director": {
                "id": 836874,
                "username": "NicholasD03",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/f493528ea0a3bfff700b0528c858339c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1028.5047944967969,
                        "deviation": 71.63711526554845,
                        "volatility": 0.060081207056853145
                    }
                },
                "ranking": 15.567520953222878,
                "professional": false,
                "ui_class": ""
            },
            "description": "tvlvytliu",
            "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",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6721,
                "name": "Mr. Erb's Math Class",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2020-10-02T13:29:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-10-02T15:28:30.966003Z",
            "ended": "2020-10-08T18:59:24.720547Z",
            "start_waiting": "2020-10-02T15:28:30.772057Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6910eda41e1a6a0c79cb362e854798f9-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 3949,
            "name": "LLL9 #2 - Lizard Lovers Live 9x9 Tournament",
            "director": {
                "id": 108267,
                "username": "Mac S Pumpkins",
                "country": "_GoT_Targaryen",
                "icon": "https://secure.gravatar.com/avatar/4d7e0354402a1d69ec85b8a84a25551b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1588.8809803085994,
                        "deviation": 62.73405744345425,
                        "volatility": 0.06004748676159124
                    }
                },
                "ranking": 25.63600902406306,
                "professional": false,
                "ui_class": ""
            },
            "description": "For Lizard Lovers, by Lizard Lovers",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 453,
                "name": "Lizard Lovers",
                "summary": "Those who loves lizards",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/fb8d462f6a109c5a455bb73270bbd2a0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-01-04T11:45:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-01-04T11:45:40.861850Z",
            "ended": "2015-01-04T12:37:24.577726Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fb8d462f6a109c5a455bb73270bbd2a0-15.png",
            "player_count": 7,
            "ranked": true
        },
        {
            "id": 3952,
            "name": "LLL9 #3 - Lizard Lovers Live 9x9 Tournament",
            "director": {
                "id": 108267,
                "username": "Mac S Pumpkins",
                "country": "_GoT_Targaryen",
                "icon": "https://secure.gravatar.com/avatar/4d7e0354402a1d69ec85b8a84a25551b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1588.8809803085994,
                        "deviation": 62.73405744345425,
                        "volatility": 0.06004748676159124
                    }
                },
                "ranking": 25.63600902406306,
                "professional": false,
                "ui_class": ""
            },
            "description": "For Lizard Lovers, by Lizard Lovers",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 600,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 453,
                "name": "Lizard Lovers",
                "summary": "Those who loves lizards",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/fb8d462f6a109c5a455bb73270bbd2a0-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2015-01-04T12:55:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2015-01-04T12:55:44.335941Z",
            "ended": "2015-01-04T14:04:45.332230Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/fb8d462f6a109c5a455bb73270bbd2a0-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 66471,
            "name": "The 1st bibalive twitch sub tournament!",
            "director": {
                "id": 704530,
                "username": "Blackie_BIBA",
                "country": "kr",
                "icon": "https://secure.gravatar.com/avatar/87fc7a94d536ef08306178ced0a7a1bc?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2332.6709507929986,
                        "deviation": 288.26147001988835,
                        "volatility": 0.06001492546187735
                    }
                },
                "ranking": 45,
                "professional": true,
                "ui_class": "professional"
            },
            "description": "Subscriber tournament for twitch.tv/bibalive",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "korean",
            "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": 6952,
                "name": "bibalive subscribers group",
                "summary": "This is a group for subscribers to twitch.tv/bibalive",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 25,
                "icon": "https://user-uploads.online-go.com/cf9ba5fe210a3b78789d37604e5f6f1b-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-10-10T15:00:00Z",
            "players_start": 16,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-10-10T15:04:30.922787Z",
            "ended": "2020-10-10T18:58:24.285871Z",
            "start_waiting": "2020-10-10T15:04:30.544116Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cf9ba5fe210a3b78789d37604e5f6f1b-15.png",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 2385,
            "name": "Meijin Nines Title Tournament 2008",
            "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": "Meijin Nines Title Tournament 2008",
            "schedule": null,
            "title": {
                "id": 2,
                "name": "Meijin Nines Title Tournament",
                "holder": {
                    "id": 1044,
                    "username": "drmwc",
                    "country": "gb",
                    "icon": "https://secure.gravatar.com/avatar/1f61006ef42da43763befe7e7a035e80?s=64&d=retro",
                    "ratings": {
                        "version": 5,
                        "overall": {
                            "rating": 2272.793422517538,
                            "deviation": 64.89643165912463,
                            "volatility": 0.05998474082599601
                        }
                    },
                    "ranking": 33.92323850181498,
                    "professional": false,
                    "ui_class": "supporter"
                },
                "rules": "japanese",
                "tournament_type": "s_elimination"
            },
            "tournament_type": "s_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": null,
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-01-01T12:08:00Z",
            "ended": "2008-01-01T12:08:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/meijin_9.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 38621,
            "name": "Fast Correspondence – July 2018 (B)",
            "director": {
                "id": 784,
                "username": "mlopezviedma",
                "country": "ar",
                "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1546.1538674294254,
                        "deviation": 62.03504989658016,
                        "volatility": 0.059739123217599915
                    }
                },
                "ranking": 25.004951341512772,
                "professional": false,
                "ui_class": "supporter moderator"
            },
            "description": "**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30720,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 172800,
                "max_time": 172800,
                "time_increment": 28800,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 829,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-07-06T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2018-07-06T01:00:08.426283Z",
            "ended": "2018-07-14T19:08:13.372327Z",
            "start_waiting": "2018-07-06T01:00:06.990386Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 63214,
            "name": "yu kiat VS Shin Lu",
            "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": "17/7/2020",
            "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": true,
            "time_start": "2020-07-17T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-17T10:54:47.460234Z",
            "ended": "2020-07-21T12:25:47.797138Z",
            "start_waiting": "2020-07-17T10:54:47.360256Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}