List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclude_provisional&page=456
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59605,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=exclude_provisional&page=457",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=exclude_provisional&page=455",
    "results": [
        {
            "id": 294,
            "name": "AyaGo's mini-tournament for provisionals 2",
            "director": {
                "id": 13863,
                "username": "AyaGo",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/b088a83bee465502712a33a1b77cf0b6?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500.0,
                        "deviation": 350.0,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "bot provisional"
            },
            "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": 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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-08-13T09:10:00Z",
            "ended": "2007-10-24T12:00:00Z",
            "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": 134503,
            "name": "Torneio tarde",
            "director": {
                "id": 1627755,
                "username": "Luizinho29",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/1bfa4e7c509d67d4c33474ce5e64ec3c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 499.5402175570621,
                        "deviation": 74.33234346373021,
                        "volatility": 0.06003082036610436
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "Vamos treinar",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 12,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "blitz",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 10,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 13117,
                "name": "alunos verissimo",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 104,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2025-11-18T18:00:00Z",
            "players_start": 12,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-11-18T17:30:32.854224Z",
            "ended": "2025-11-18T18:04:53.723192Z",
            "start_waiting": "2025-11-18T17:30:32.654698Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 12,
            "ranked": true
        },
        {
            "id": 2858,
            "name": "2014 spring tournament",
            "director": {
                "id": 20675,
                "username": "RaikB",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1780.665751010124,
                        "deviation": 65.40966971956041,
                        "volatility": 0.0596596409427389
                    }
                },
                "ranking": 28.274121197571755,
                "professional": false,
                "ui_class": ""
            },
            "description": "Open weekly competition ",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 611520,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 604800
            },
            "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": 11,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-03-29T22:15:07.782432Z",
            "ended": "2014-09-29T02:05:11.655941Z",
            "start_waiting": "2014-03-29T22:15:06.447785Z",
            "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": 313,
            "name": "JOPE's mini-tournament",
            "director": {
                "id": 2129,
                "username": "JOPE",
                "country": "fr",
                "icon": "https://secure.gravatar.com/avatar/347bbb7ad29cf07878883be52243b5be?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1234.0298266025509,
                        "deviation": 66.91373322392494,
                        "volatility": 0.05997438565008061
                    }
                },
                "ranking": 19.78496489854528,
                "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": 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": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2007-09-03T10:21:00Z",
            "ended": "2007-11-30T17:03:00Z",
            "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": 3162,
            "name": "1m/move: Attempt II",
            "director": {
                "id": 43567,
                "username": "lemmata",
                "country": "im",
                "icon": "https://user-uploads.online-go.com/2f0c2512ce6c9c9dc2a8aef02b724505-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2457.728025532605,
                        "deviation": 71.8280977151649,
                        "volatility": 0.060009090348076735
                    }
                },
                "ranking": 35.734209728641055,
                "professional": false,
                "ui_class": ""
            },
            "description": "The previous attempt failed",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 17952,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.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": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2014-09-06T21:15:00.767657Z",
            "ended": "2014-09-06T22:58:12.053605Z",
            "start_waiting": "2014-09-06T21:15:00.628669Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2964,
            "name": "Newby's Month Long Round Robin",
            "director": {
                "id": 66298,
                "username": "Peter ;)",
                "country": "au",
                "icon": "https://user-uploads.online-go.com/00eabc6c532138982adc562c0c346c98-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1941.4459960341776,
                        "deviation": 78.28401574064385,
                        "volatility": 0.05996981929695001
                    }
                },
                "ranking": 30.275340134490737,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament finishes in a month. No more waiting for seven days for the next move. Each player has 15 days total time. For 110 stones each, that's 3.5 hours per move.  \n\nThis is for impatient newbies like me. So keeping the dans out! Please don't join if you can't finish a game in a month.\n\nConditional moves enabled, no handicaps.\n\nBegins on August 1st and finishes on August 31st.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "aga",
            "time_per_move": 14400,
            "time_control_parameters": {
                "total_time": 1296000,
                "time_control": "absolute"
            },
            "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": 10,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-08-01T07:24:52.340817Z",
            "ended": "2014-09-11T14:10:11.537199Z",
            "start_waiting": "2014-08-01T07:24:49.080563Z",
            "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": 84839,
            "name": "9x9 Open League #18",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1255.1325092914733,
                        "deviation": 70.70388156803322,
                        "volatility": 0.060218187290626925
                    }
                },
                "ranking": 20.177497600621148,
                "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/10842",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 3524,
                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 697,
                "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-01-30T21:00:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-28T12:58:18.205622Z",
            "ended": "2022-03-10T01:41:14.725062Z",
            "start_waiting": "2022-01-28T12:58:17.549978Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 127414,
            "name": "kata_web challenge",
            "director": {
                "id": 1385471,
                "username": "changcheng6541",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/1227b6b65ee93a963ef1738884fa8c8e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1106.178593637233,
                        "deviation": 86.05012077415248,
                        "volatility": 0.06004438086150537
                    }
                },
                "ranking": 17.252963078549588,
                "professional": false,
                "ui_class": ""
            },
            "description": "gfgjfyu",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 87084,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "main_time": 86400,
                "period_time": 86400,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 12594,
                "name": "Doulet Media",
                "summary": "This is one of the Bot that allows Bots and welcome Bots because we developed bots and test them in here. Feel free to challenge Kata_web, our newest AI and welcome to join our ladders and tournaments and they all allow bots. -changcheng6541/Doulet Media",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": true,
                "hide_details": false,
                "member_count": 1937,
                "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-04-12T15:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-04-18T16:49:15.765148Z",
            "ended": "2025-04-21T16:49:28.076774Z",
            "start_waiting": "2025-04-18T16:49:15.717521Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 84488,
            "name": "The Small Tourney #1",
            "director": {
                "id": 1103455,
                "username": "mrChillout",
                "country": "un",
                "icon": "https://user-uploads.online-go.com/061a3c6b3b83bc59970b2fdf8236b2f8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1391.4768789824248,
                        "deviation": 244.07144925368056,
                        "volatility": 0.06000593398049849
                    }
                },
                "ranking": 22.56483055920582,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "A small round robin tournament, all welcome!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "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": 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": 1782,
                "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-01-12T03:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 15,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-01-11T21:01:35.296850Z",
            "ended": "2022-05-08T03:46:21.472788Z",
            "start_waiting": "2022-01-11T21:01:34.595425Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
            "player_count": 10,
            "ranked": true
        },
        {
            "id": 2648,
            "name": "Step Forward 2",
            "director": {
                "id": 20675,
                "username": "RaikB",
                "country": "de",
                "icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1780.665751010124,
                        "deviation": 65.40966971956041,
                        "volatility": 0.0596596409427389
                    }
                },
                "ranking": 28.274121197571755,
                "professional": false,
                "ui_class": ""
            },
            "description": "Correspondence, Invitation, 13 Kyu Upwards, Simultaneous Round Robin, Fisher Timing: Start 1 Week + 1 Day per Move with Max. 1 Week",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93120,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 604800,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3659,
                "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": 17,
            "max_ranking": 21,
            "analysis_enabled": true,
            "exclusivity": "invite",
            "started": "2013-11-27T22:34:05.783123Z",
            "ended": "2014-02-20T07:25:27.519559Z",
            "start_waiting": "2013-11-27T22:34:05.274103Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        }
    ]
}