List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=handicap&page=100
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59498,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=handicap&page=101",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=handicap&page=99",
    "results": [
        {
            "id": 305,
            "name": "ygperry's mini-tournament",
            "director": {
                "id": 11861,
                "username": "ygperry",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/480625c6a484ee3e480b578adbcf74cf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1940.2727363398885,
                        "deviation": 87.11863274114846,
                        "volatility": 0.05999106889321448
                    }
                },
                "ranking": 30.261345837313364,
                "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": true,
            "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": 383,
                "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": 19,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-08-23T22:50:00Z",
            "ended": "2008-02-27T11:31:00Z",
            "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": 2,
            "name": "Nova Group Round Robin Beta",
            "director": {
                "id": 73,
                "username": "Kuroneko",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/8acc1aa7edbb99556a0d05cf6c97a154-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1720.3171984281491,
                        "deviation": 260.4887625445967,
                        "volatility": 0.05999892180617455
                    }
                },
                "ranking": 27.47594113797314,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Thanks for beta testing! This tournament will be a simultaneous round-robin tournament with a Fischer time control.... 18 hours starting time plus 6 hours per move up to a maximum of 1 day 12 hours. There is no rating limitation. The tournament will be open to the first 10 players to join and you will be immediately paired with all other players. It will begin once 10 players have joined or by March 27th at 9pm EST.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 21600,
            "time_control_parameters": null,
            "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": 1776,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "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": "2013-03-27T23:30:44.576680Z",
            "ended": "2013-04-14T04:34:35.161445Z",
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 21646,
            "name": "Effort over Rank",
            "director": {
                "id": 256940,
                "username": "dragonsfire",
                "country": "zz",
                "icon": "https://user-uploads.online-go.com/4f4a1b028caca3ea811a1d58888ec5ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1365.0677616958126,
                        "deviation": 62.28909190347466,
                        "volatility": 0.06000204417955963
                    }
                },
                "ranking": 22.121239142365262,
                "professional": false,
                "ui_class": ""
            },
            "description": "Effort over Rank, Handicap, Round Robin",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "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": 43,
                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 8850,
                "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-10-21T15:00:00Z",
            "players_start": 3,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-10-21T15:15:44.995729Z",
            "ended": "2016-11-07T05:27:02.659791Z",
            "start_waiting": "2016-10-21T15:15:44.837375Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 1960,
            "name": "Curiosity and Experimentation",
            "director": {
                "id": 41187,
                "username": "Lang",
                "country": "ca",
                "icon": "https://secure.gravatar.com/avatar/b16dbcb3c38bc22ba2438832e0101316?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 988.794910478442,
                        "deviation": 88.59056375431906,
                        "volatility": 0.06000615919534711
                    }
                },
                "ranking": 14.656002870899298,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 259200,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 345600,
                "max_time": 1728000,
                "time_increment": 259200
            },
            "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": 383,
                "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": 2,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-01-14T02:03:31Z",
            "ended": "2013-01-14T01:03:31Z",
            "start_waiting": null,
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 1959,
            "name": "jitz mini-tournament",
            "director": {
                "id": 37986,
                "username": "jackgrt",
                "country": "in",
                "icon": "https://user-uploads.online-go.com/0cbabea643c57e72549dcf393f4ed433-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1747.2266379345822,
                        "deviation": 61.46018978647877,
                        "volatility": 0.06001372780703153
                    }
                },
                "ranking": 27.835253700344264,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 383,
                "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": 21,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-02-15T17:42:30Z",
            "ended": "2013-02-15T16:42:30Z",
            "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": 1958,
            "name": "jwnoonan's mini-tournament",
            "director": {
                "id": 44124,
                "username": "jwnoonan",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/29c7ae2da9743121aef878d9cce49bdf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1207.091731634171,
                        "deviation": 64.51194755807354,
                        "volatility": 0.05998711540784433
                    }
                },
                "ranking": 19.27401761554196,
                "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": 383,
                "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": 12,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-09-06T01:47:21Z",
            "ended": "2013-09-05T23:47:21Z",
            "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": 35486,
            "name": "13x13 live",
            "director": {
                "id": 507154,
                "username": "octonary",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/49292767ea85e391d86a7545723e1948-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1479.398524726459,
                        "deviation": 67.02016768089275,
                        "volatility": 0.060123185699279366
                    }
                },
                "ranking": 23.98322913797391,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "13x13 live, please pay attention to time limit. This is first time I create tournament here so not sure how all mechanics work, will see.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 21,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 120,
                "max_time": 240,
                "time_increment": 20,
                "speed": "live"
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 2154,
                "name": "ocaml survivors",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 14,
                "icon": "https://user-uploads.online-go.com/feda4b527f4324b99f705a670aefebd4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-03-17T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2018-03-17T16:02:09.189936Z",
            "ended": "2018-03-17T16:34:34.254454Z",
            "start_waiting": "2018-03-17T16:02:08.615007Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/feda4b527f4324b99f705a670aefebd4-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 132154,
            "name": "Go Communist 2025",
            "director": {
                "id": 1225565,
                "username": "KaLyJa",
                "country": "_Pirate",
                "icon": "https://user-uploads.online-go.com/32e86780b2f9a2e66ab5542282fef97b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1097.5118738916565,
                        "deviation": 62.17660919264535,
                        "volatility": 0.05999308083509756
                    }
                },
                "ranking": 17.0708725359019,
                "professional": false,
                "ui_class": ""
            },
            "description": "A tournament for anyone to join :)))",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 44226,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 129600,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 15688,
                "name": "RCI Go Club",
                "summary": "revolutionary communists of go",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3,
                "icon": "https://user-uploads.online-go.com/bf535e6542991d9c61c0fdd0e6eff413-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-09-08T11:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": null,
            "ended": null,
            "start_waiting": null,
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/bf535e6542991d9c61c0fdd0e6eff413-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 133538,
            "name": "Handicap Arena 2025 - 085",
            "director": {
                "id": 526987,
                "username": "Gia",
                "country": "gr",
                "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1137.0368826224137,
                        "deviation": 63.85103715731184,
                        "volatility": 0.06007456314516173
                    }
                },
                "ranking": 17.889918791399737,
                "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": 101,
                "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-10-24T09:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-10-22T19:21:34.480757Z",
            "ended": "2025-12-05T12:55:50.276456Z",
            "start_waiting": "2025-10-22T19:21:33.651959Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 130026,
            "name": "Servus Oida Handicap Tournament #14",
            "director": {
                "id": 1285178,
                "username": "VikingKoala",
                "country": "eu",
                "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1062.4330284221962,
                        "deviation": 63.66396609907186,
                        "volatility": 0.0597098972881255
                    }
                },
                "ranking": 16.318865686005747,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Handicap McMahon Kyu Player Tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 91187,
            "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": 5720,
                "name": "Outside Go7",
                "summary": "Die Gruppe für alle, die sonst im Go7 spielen.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 47,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": true,
            "time_start": "2025-08-19T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 12,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-08-18T18:10:03.838088Z",
            "ended": null,
            "start_waiting": "2025-08-18T18:10:03.665224Z",
            "board_size": 19,
            "active_round": 3,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
            "ranked": true
        }
    ]
}