List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=1261
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59611,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_per_move&page=1262",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_per_move&page=1260",
    "results": [
        {
            "id": 99885,
            "name": "go to go",
            "director": {
                "id": 1269895,
                "username": "Cybèle",
                "country": "150",
                "icon": "https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 863.8335028553679,
                        "deviation": 65.98550318269317,
                        "volatility": 0.060476089188204726
                    }
                },
                "ranking": 11.528278267512311,
                "professional": false,
                "ui_class": ""
            },
            "description": "cool go go",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "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": 12840,
                "name": "US-FR Friendship Tournament",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 31,
                "icon": "https://user-uploads.online-go.com/934d7c1c4d24c2c221e591338f9c450a-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-08T10:50:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-09T12:09:01.541404Z",
            "ended": "2023-02-09T12:18:57.094224Z",
            "start_waiting": "2023-02-09T12:09:01.472734Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/934d7c1c4d24c2c221e591338f9c450a-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 111591,
            "name": "Pokemon War!⚔️",
            "director": {
                "id": 1119615,
                "username": "RainZhang",
                "country": "_Starfleet",
                "icon": "https://user-uploads.online-go.com/0bbeec146196b64049475b7855e2ba5a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 919.5598350480423,
                        "deviation": 65.58704024452855,
                        "volatility": 0.060022263508483394
                    }
                },
                "ranking": 12.975502142256941,
                "professional": false,
                "ui_class": ""
            },
            "description": "Battle",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 12512,
                "name": "Pokemon OGS",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 16,
                "icon": "https://user-uploads.online-go.com/7e43fe80ff2817783716ee3a42041a31-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-01-15T01:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-01-15T01:00:23.744654Z",
            "ended": "2024-03-31T01:53:17.871418Z",
            "start_waiting": "2024-01-15T01:00:23.611216Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7e43fe80ff2817783716ee3a42041a31-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 133129,
            "name": "Handicap Arena 2025 - 081",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1072.6907664609257,
                        "deviation": 64.43679313079441,
                        "volatility": 0.060065792227568054
                    }
                },
                "ranking": 16.541305680530183,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": true,
            "group": {
                "id": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 107,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-10-10T14:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-10-07T14:41:21.545054Z",
            "ended": "2026-03-01T13:54:18.461912Z",
            "start_waiting": "2025-10-07T14:41:20.890146Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 118401,
            "name": "Handicap Arena 2024 - 056",
            "director": {
                "id": 2408,
                "username": "richyfourtytwo",
                "country": "de",
                "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1544.0411350092925,
                        "deviation": 65.89318354708564,
                        "volatility": 0.05973650294622369
                    }
                },
                "ranking": 24.973296534545497,
                "professional": false,
                "ui_class": ""
            },
            "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "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": true,
            "group": {
                "id": 13655,
                "name": "Handicap Arena",
                "summary": "Organising arena-type handicap correspondence tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 107,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-07-26T05:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-07-26T03:30:41.655169Z",
            "ended": "2024-09-20T13:47:46.688497Z",
            "start_waiting": "2024-07-26T03:30:41.466725Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 5,
            "ranked": true
        },
        {
            "id": 100258,
            "name": "Correspondence 19x19 RoundRobin 2023-02-19 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:20260509T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
                "active": true,
                "created": "2015-02-20T05:58:31.027016Z",
                "last_run": "2026-05-09T19:00:49.439064Z",
                "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": "2026-05-12T19:00:00Z",
                "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": "2023-02-19T19:00:50.583053Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-02-19T19:00:52.756983Z",
            "ended": "2023-07-13T04:28:53.746203Z",
            "start_waiting": "2023-02-19T19:00:52.052195Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 104714,
            "name": "FNTFTfttfftft",
            "director": {
                "id": 1220016,
                "username": "BBQ Cat",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/f22b65ed3d05e5784b0f5f98e58f423d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 623.0215846887106,
                        "deviation": 75.82322598904152,
                        "volatility": 0.06004543225135932
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "TFJfhcg",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 13221,
                "name": "Aisksk",
                "summary": "Aisksk,s",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 6,
                "icon": "https://user-uploads.online-go.com/785079b411ce36aa3277688b219696bb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-06-25T04:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-09-24T23:22:30.526228Z",
            "ended": "2023-10-15T10:00:16.385392Z",
            "start_waiting": "2023-09-24T23:22:30.417958Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/785079b411ce36aa3277688b219696bb-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 102573,
            "name": "May Tourney",
            "director": {
                "id": 1066928,
                "username": "Arkhaya",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/392c557da0e8a154bcf860d082917ae3-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1745.7064342348563,
                        "deviation": 67.32393272787282,
                        "volatility": 0.06008917697655887
                    }
                },
                "ranking": 27.815102888895215,
                "professional": false,
                "ui_class": ""
            },
            "description": "May correspondence tournement",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 88451,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13099,
                "name": "SIM Weiqi",
                "summary": "Group for SIM Weiqi Members, alumni's and outsiders that join SIM Weiqi events and sessions",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 19,
                "icon": "https://user-uploads.online-go.com/775fbe7b91bd5bcaa7a74aa3d7b2abed-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-05-01T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2023-05-01T09:00:49.922906Z",
            "ended": "2023-07-06T13:54:05.199595Z",
            "start_waiting": "2023-05-01T09:00:49.786194Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/775fbe7b91bd5bcaa7a74aa3d7b2abed-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 121366,
            "name": "19x19 Open D.E. Cup #86",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1261.613350907921,
                        "deviation": 70.46626731275185,
                        "volatility": 0.06021659385529079
                    }
                },
                "ranking": 20.296724430328663,
                "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": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2024-10-27T22:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-10-27T07:56:29.180016Z",
            "ended": "2025-08-04T16:34:59.444586Z",
            "start_waiting": "2024-10-27T07:56:29.088997Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 97811,
            "name": "13decembertoernooi",
            "director": {
                "id": 390011,
                "username": "deleted-817fad01-ed18-4c47-8f58-2c48b06317c3",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/b02accbdc999a8b965a57cc824bde133-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 861.4098115075851,
                        "deviation": 71.40332136949104,
                        "volatility": 0.059911732004235545
                    }
                },
                "ranking": 11.463234118498036,
                "professional": false,
                "ui_class": ""
            },
            "description": "13 december toernooi",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 12226,
                "name": "Go Club Land van Cuijk",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-14T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-14T13:00:25.000743Z",
            "ended": "2023-04-28T19:35:15.753364Z",
            "start_waiting": "2022-12-14T13:00:24.625828Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 11,
            "ranked": true
        },
        {
            "id": 100758,
            "name": "19x19 Open League #10",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1261.613350907921,
                        "deviation": 70.46626731275185,
                        "volatility": 0.06021659385529079
                    }
                },
                "ranking": 20.296724430328663,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 72,
                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2023-03-19T22:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-03-19T17:23:40.568401Z",
            "ended": "2023-06-02T03:01:28.160468Z",
            "start_waiting": "2023-03-19T17:23:39.363203Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 10,
            "ranked": true
        }
    ]
}