List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=analysis_enabled&page=5340
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60084,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=analysis_enabled&page=5341",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=analysis_enabled&page=5339",
    "results": [
        {
            "id": 130007,
            "name": "Correspondence 9x9 RoundRobin 2025-07-01 19:00",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Site-wide Tournament",
            "schedule": {
                "id": 5,
                "name": "Correspondence 9x9 RoundRobin",
                "rrule": "DTSTART:20260628T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-06-28T19:00:16.820505Z",
                "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": "2026-07-01T19:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 95543,
            "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": "2025-07-01T19:00:29.759992Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-01T19:00:29.946727Z",
            "ended": "2025-07-19T20:00:51.401874Z",
            "start_waiting": "2025-07-01T19:00:29.853474Z",
            "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": 123702,
            "name": "19x19 New Zealand Handicap D.E. #27",
            "director": {
                "id": 178104,
                "username": "dexonsmith",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1390.7732166446785,
                        "deviation": 67.55416504748428,
                        "volatility": 0.06064009346038413
                    }
                },
                "ranking": 22.55312076827671,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Handicap games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "nz",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 14024,
                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 79,
                "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-01-11T04:19:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-09T08:05:56.802053Z",
            "ended": "2025-12-25T04:05:00.313319Z",
            "start_waiting": "2025-01-09T08:05:56.706182Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 98225,
            "name": "9x9 Mini League 10k-25k #113",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1383.207229075705,
                        "deviation": 70.05276692417301,
                        "volatility": 0.060229214650962565
                    }
                },
                "ranking": 22.426837941140068,
                "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",
                "pause_on_weekends": false,
                "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": 708,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-01-01T20:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-28T12:21:35.575349Z",
            "ended": "2023-01-12T03:58:58.516620Z",
            "start_waiting": "2022-12-28T12:21:35.381821Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 138923,
            "name": "Yet Another 19x19 Tournament",
            "director": {
                "id": 1649078,
                "username": "fogreaper",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/183be2a7d2fb2909262cee800036fd26?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 345.6273501881228,
                        "deviation": 73.65578489507688,
                        "volatility": 0.060285654598151946
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Just a 19x19 tournament for your playing pleasure.",
            "schedule": null,
            "title": null,
            "tournament_type": "opengotha",
            "handicap": 0,
            "rules": "ing",
            "time_per_move": 91187,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 604800,
                "initial_time": 2419200,
                "max_time": 2419200,
                "main_time": 3600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3,
                "name": "OGS",
                "summary": "An open group for folks' who like OGS!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1790,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-04-04T18:00:00Z",
            "players_start": 4,
            "first_pairing_method": "opengotha",
            "subsequent_pairing_method": "opengotha",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-04-04T17:32:16.490268Z",
            "ended": null,
            "start_waiting": "2026-04-04T17:32:16.463733Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 97670,
            "name": "SDK Round Robin 6",
            "director": {
                "id": 1009,
                "username": "Bray",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/fc5044c935c074fad4340acb6ad2d1b6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1423.6873455154216,
                        "deviation": 64.50535645453552,
                        "volatility": 0.05968757729026208
                    }
                },
                "ranking": 23.094607711095406,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "More fun and games.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30168,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 28800,
                "initial_time": 172800,
                "max_time": 172800
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 828,
                "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-12-13T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 21,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-13T21:00:48.735531Z",
            "ended": "2022-12-28T15:18:22.573450Z",
            "start_waiting": "2022-12-13T21:00:48.605431Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 31508,
            "name": "Correspondence 9x9 RoundRobin 2017-11-01 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:20260628T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:56:18.340749Z",
                "last_run": "2026-06-28T19:00:16.820505Z",
                "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": "2026-07-01T19:00:00Z",
                "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": "2017-11-01T01:00:53.441096Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-11-01T01:01:24.851543Z",
            "ended": "2017-11-28T23:05:08.371734Z",
            "start_waiting": "2017-11-01T01:01:23.514846Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 133451,
            "name": "19x19 Open D.E. Cup #138",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1383.207229075705,
                        "deviation": 70.05276692417301,
                        "volatility": 0.060229214650962565
                    }
                },
                "ranking": 22.426837941140068,
                "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/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 78,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-10-19T21:05:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-10-19T03:41:53.712023Z",
            "ended": null,
            "start_waiting": "2025-10-19T03:41:53.610657Z",
            "board_size": 19,
            "active_round": 4,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 103686,
            "name": "Losers come",
            "director": {
                "id": 1315300,
                "username": "陳梓睿",
                "country": "hk",
                "icon": "https://secure.gravatar.com/avatar/6bd542a019732cd63f0dca7a5724905f?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1445.457584018599,
                        "deviation": 88.13613666187219,
                        "volatility": 0.06002833457588764
                    }
                },
                "ranking": 23.445925407494176,
                "professional": false,
                "ui_class": ""
            },
            "description": "Losers plz come here so I can lose",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 107733,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 604800,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3852,
                "name": "Hong Kong ",
                "summary": "First priority : HK people join plz                                                                     \nThis group welcomes everyone, but only if you don't be rude.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 150,
                "icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-05-27T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-13T13:48:34.852312Z",
            "ended": "2024-08-02T03:55:44.645464Z",
            "start_waiting": "2024-07-13T13:48:34.775106Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 93019,
            "name": "CLASH ROYALE, FORTNITE Lovers",
            "director": {
                "id": 943646,
                "username": "Alpha  Zero",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/9d1a77d931cc0e362543930820bcca4b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1315.6819178542366,
                        "deviation": 65.26018585535951,
                        "volatility": 0.06000175020465574
                    }
                },
                "ranking": 21.268185492817235,
                "professional": false,
                "ui_class": ""
            },
            "description": "HHWHEHEHE",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "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": 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": 18028,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-07-31T19:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-28T19:56:46.617255Z",
            "ended": "2022-12-28T20:08:46.897438Z",
            "start_waiting": "2022-12-28T19:56:46.379964Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63217,
            "name": "Yaowen VS jiayu",
            "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": "2020-07-17T10:56:59.464367Z",
            "ended": "2020-07-20T12:13:34.215102Z",
            "start_waiting": "2020-07-17T10:56:59.378570Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png",
            "player_count": 2,
            "ranked": true
        }
    ]
}