List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5922
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59215,
    "next": null,
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5921",
    "results": [
        {
            "id": 608,
            "name": "mit185's mini-tournament 2",
            "director": {
                "id": 20728,
                "username": "mit185",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/3f33ddd2dff1a0f8e5f52119642f1389?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1429.6611120352234,
                        "deviation": 69.228471054849,
                        "volatility": 0.06001193040974146
                    }
                },
                "ranking": 23.191541470882637,
                "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": 12,
            "max_ranking": 21,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-05-18T16:25:14Z",
            "ended": "2009-05-18T14:25:14Z",
            "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": 609,
            "name": "Andreas' 12th mini-tournament",
            "director": {
                "id": 12608,
                "username": "Andreas",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/9391313b744a480fccc4b2ffa6031575?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1708.106347149412,
                        "deviation": 65.43808331330433,
                        "volatility": 0.05994359485799847
                    }
                },
                "ranking": 27.311035957117518,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2008-10-07T00:50:34Z",
            "ended": "2008-10-06T22:50:34Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 73899,
            "name": "№4 тур по го",
            "director": {
                "id": 936699,
                "username": "cateos",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/67cdd67513d0277cbcd0d93df8760d98-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 865.1774219853712,
                        "deviation": 70.16495288861645,
                        "volatility": 0.06000155022924194
                    }
                },
                "ranking": 11.564266165191924,
                "professional": false,
                "ui_class": ""
            },
            "description": "Пока гг давай пп",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 120,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 120
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8904,
                "name": "For group the turnament",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 27,
                "icon": "https://user-uploads.online-go.com/9be38b7f0095989a12c791eaf3eee41f-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-14T19:10:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-14T19:10:49.905661Z",
            "ended": "2021-04-14T19:16:13.362050Z",
            "start_waiting": "2021-04-14T19:10:49.407569Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9be38b7f0095989a12c791eaf3eee41f-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 282,
            "name": "more provisional players (don't join BOTH mini tourneys please, let others get a chance too)",
            "director": {
                "id": 2101,
                "username": "Ariadne",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/8f041f84d2f54f44cfb530b998d1c777?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1051.0621781339146,
                        "deviation": 68.83504750620293,
                        "volatility": 0.0600283956512515
                    }
                },
                "ranking": 16.06976389174632,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "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": 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": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-08-02T08:37:00Z",
            "ended": "2007-09-05T11:08:00Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 136940,
            "name": "Beginners fight club",
            "director": {
                "id": 1901664,
                "username": "PeaceDeath88",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/008409a8b0f615c9df2146442d116588-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.923106547171,
                        "deviation": 70.42620334030161,
                        "volatility": 0.06002770145340975
                    }
                },
                "ranking": 17.887602201700176,
                "professional": false,
                "ui_class": ""
            },
            "description": "Go, beginners!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 43200,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 43200
            },
            "is_open": true,
            "exclude_provisional": true,
            "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": 17871,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2026-02-02T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-02-02T06:01:09.351333Z",
            "ended": "2026-03-01T11:52:15.619168Z",
            "start_waiting": "2026-02-02T06:01:08.858664Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 11,
            "ranked": true
        }
    ]
}