List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=710
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59094,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=711",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=709",
    "results": [
        {
            "id": 1059,
            "name": "You do wanna win !",
            "director": {
                "id": 30111,
                "username": "cupboard",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/ac0a74c9b8cbb9ccd5626d71b86725a2?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1739.798838704677,
                        "deviation": 68.53440136258781,
                        "volatility": 0.06006058626721675
                    }
                },
                "ranking": 27.73662877580568,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "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": 381,
                "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": 24,
            "max_ranking": 35,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-03-31T01:50:32Z",
            "ended": "2010-03-30T23:50:32Z",
            "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": 55306,
            "name": "Tournament 57",
            "director": {
                "id": 12573,
                "username": "Misawa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 977.5796256115817,
                        "deviation": 69.02183474866371,
                        "volatility": 0.05986671976150141
                    }
                },
                "ranking": 14.391926363316212,
                "professional": false,
                "ui_class": ""
            },
            "description": "A new decade begins - so does a new tournament!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "time_increment": 86400,
                "initial_time": 432000,
                "max_time": 432000
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 593,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-01-16T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 10,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-01-16T07:00:50.954906Z",
            "ended": "2024-04-29T18:58:33.498274Z",
            "start_waiting": "2020-01-16T07:00:47.309991Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 62,
            "ranked": true
        },
        {
            "id": 38689,
            "name": "Tournament 46",
            "director": {
                "id": 12573,
                "username": "Misawa",
                "country": "us",
                "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 977.5796256115817,
                        "deviation": 69.02183474866371,
                        "volatility": 0.05986671976150141
                    }
                },
                "ranking": 14.391926363316212,
                "professional": false,
                "ui_class": ""
            },
            "description": "It's the middle of the year! Hard to believe it. Let's celebrate by starting another Go tournament. I have so many games right now - we'll keep this simple - one game at a time. Elimination time!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 91200,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 432000,
                "max_time": 432000,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 343,
                "name": "Global Go Club",
                "summary": "Open Go club for people anywhere",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 593,
                "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2018-07-15T06:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 10,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2018-07-15T06:00:17.753332Z",
            "ended": "2021-08-14T08:14:11.635983Z",
            "start_waiting": "2018-07-15T06:00:13.333950Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
            "player_count": 43,
            "ranked": true
        },
        {
            "id": 123972,
            "name": "สาระRA!Ls Tour ครั้งที่ 76",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.5819099023215,
                        "deviation": 65.36315287901506,
                        "volatility": 0.05949236435899431
                    }
                },
                "ranking": 24.75548613580128,
                "professional": false,
                "ui_class": ""
            },
            "description": "RESPECT",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 8890,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1123200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-01-16T07:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 24,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-01-16T07:00:39.930075Z",
            "ended": "2025-04-05T17:38:11.463701Z",
            "start_waiting": "2025-01-16T07:00:39.727083Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 6,
            "ranked": true
        },
        {
            "id": 134432,
            "name": "สาระRA!Ls Tour ครั้งที่ 82",
            "director": {
                "id": 148806,
                "username": "โอ๋ชิงหยวน",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.5819099023215,
                        "deviation": 65.36315287901506,
                        "volatility": 0.05949236435899431
                    }
                },
                "ranking": 24.75548613580128,
                "professional": false,
                "ui_class": ""
            },
            "description": "Respect",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 2571,
                "name": "Go World Wide",
                "summary": "enjoy",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 91,
                "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-30T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 22,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-30T03:00:10.792794Z",
            "ended": "2026-01-02T08:30:04.196938Z",
            "start_waiting": "2025-11-30T03:00:10.418365Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 22399,
            "name": "ninavip",
            "director": {
                "id": 342315,
                "username": "роман.го",
                "country": "ua",
                "icon": "https://user-uploads.online-go.com/0c010f0135c7770fc7382331b900d9d6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1079.2951898791944,
                        "deviation": 64.98552674156217,
                        "volatility": 0.0600236071408643
                    }
                },
                "ranking": 16.683400364467186,
                "professional": false,
                "ui_class": ""
            },
            "description": "igo game",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 45,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 5,
                "main_time": 3600,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 1292,
                "name": "i go game",
                "summary": "игра и го",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 18,
                "icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-11-21T17:26:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2016-11-21T17:26:27.402691Z",
            "ended": "2016-11-21T17:53:57.905396Z",
            "start_waiting": "2016-11-21T17:26:27.223174Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8a6adf23d50f9c49c50e528ec0668c1d-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 16145,
            "name": "Reddit Round Robin Handicap Correspondence - 6k-6d",
            "director": {
                "id": 963,
                "username": "thouis",
                "country": "_LGBT",
                "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1272.0793403675746,
                        "deviation": 63.60210464358527,
                        "volatility": 0.0595738087674045
                    }
                },
                "ranking": 20.487978116998953,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "Reddit Round Robin Handicap Correspondence - 6k-6d",
            "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": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 38,
                "name": "reddit",
                "summary": "/r/baduk",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 2280,
                "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2016-04-05T12:10:14.216377Z",
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 24,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-04-05T12:11:00.179386Z",
            "ended": "2016-06-15T19:58:33.534917Z",
            "start_waiting": "2016-04-05T12:10:59.926913Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 30138,
            "name": "Strange Elimination 22 players",
            "director": {
                "id": 211504,
                "username": "Why am I playing",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/5871c4b800476f93d2a66a0cb3e618cb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1559.0919502754434,
                        "deviation": 69.84935092039798,
                        "volatility": 0.06153589767848298
                    }
                },
                "ranking": 25.197862543190354,
                "professional": false,
                "ui_class": ""
            },
            "description": "Start when Tournament have 22 players",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 454,
                "name": "Tournament Club",
                "summary": "Welcome to the TOURNAMENT CLUB, a remake of the 'Kyu Tournament Group'.\n\nIn this group, you will be able to participate in competitions for your level so that you will have a fair chance of winning! We also have special competitions that require special ru",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 77,
                "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2017-10-10T03:00:00Z",
            "players_start": 22,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 30,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-10-08T12:50:32.730974Z",
            "ended": "2018-10-12T12:24:16.379797Z",
            "start_waiting": "2017-10-08T12:50:18.514999Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-15.png",
            "player_count": 22,
            "ranked": true
        },
        {
            "id": 22365,
            "name": "Saturday Tournament Meet",
            "director": {
                "id": 163711,
                "username": "001616542",
                "country": "sg",
                "icon": "https://user-uploads.online-go.com/112e960909fadcf12d30a612a9bc0f91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1331.5389314312727,
                        "deviation": 66.30657214573475,
                        "volatility": 0.06021468057452146
                    }
                },
                "ranking": 21.545528620420647,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament will be interesting and fun. Strictly no sandbaggers allowed please. Sandbaggers will be disqualified.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 30,
            "time_control_parameters": {
                "total_time": 2700,
                "time_control": "absolute"
            },
            "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": 17722,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-12-31T04:45:00Z",
            "players_start": 36,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 35,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2016-12-31T04:45:05.986523Z",
            "ended": "2016-12-31T12:41:31.635596Z",
            "start_waiting": "2016-12-31T04:45:04.708158Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 36,
            "ranked": true
        },
        {
            "id": 27300,
            "name": "Normal Elimination 8 players (#13)",
            "director": {
                "id": 211504,
                "username": "Why am I playing",
                "country": "th",
                "icon": "https://user-uploads.online-go.com/5871c4b800476f93d2a66a0cb3e618cb-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1559.0919502754434,
                        "deviation": 69.84935092039798,
                        "volatility": 0.06153589767848298
                    }
                },
                "ranking": 25.197862543190354,
                "professional": false,
                "ui_class": ""
            },
            "description": "Start when Tournament have 8 players",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "pause_on_weekends": false,
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 259200,
                "time_increment": 86400,
                "speed": "correspondence"
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 454,
                "name": "Tournament Club",
                "summary": "Welcome to the TOURNAMENT CLUB, a remake of the 'Kyu Tournament Group'.\n\nIn this group, you will be able to participate in competitions for your level so that you will have a fair chance of winning! We also have special competitions that require special ru",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 77,
                "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2017-05-31T02:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 30,
            "max_ranking": 35,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-05-23T18:22:24.922063Z",
            "ended": "2017-07-14T19:06:19.637767Z",
            "start_waiting": "2017-05-23T18:22:24.594669Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-15.png",
            "player_count": 8,
            "ranked": true
        }
    ]
}