List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=5641
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59544,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=5642",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=5640",
    "results": [
        {
            "id": 1612,
            "name": "quick players mini-tournament",
            "director": {
                "id": 870,
                "username": "opex",
                "country": "ru",
                "icon": "https://user-uploads.online-go.com/e059138473f928fc41580483a7c2736a-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1401.506145003007,
                        "deviation": 63.91043603773482,
                        "volatility": 0.05978007916330174
                    }
                },
                "ranking": 22.731089003544017,
                "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": 604800,
                "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": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2012-02-24T13:37:27Z",
            "ended": "2012-02-24T12:37:27Z",
            "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": 72115,
            "name": "TRAINING 4TO MARZO",
            "director": {
                "id": 88120,
                "username": "satoshi84",
                "country": "mx",
                "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.7959829193692,
                        "deviation": 78.40429708623937,
                        "volatility": 0.06016044531576248
                    }
                },
                "ranking": 17.885013568829635,
                "professional": false,
                "ui_class": ""
            },
            "description": "VAMOS A JUGAR GO",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 23,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 20,
                "periods": 2
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5581,
                "name": "Colegio Serapio Rendón // Kinder - Primaria",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 200,
                "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-03-02T15:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-03-02T14:20:19.100141Z",
            "ended": "2021-03-02T15:01:16.287296Z",
            "start_waiting": "2021-03-02T14:20:18.767485Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 1592,
            "name": "The Totem Pole",
            "director": {
                "id": 39562,
                "username": "sisterray112",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/0ef13cc1fbf3d0d27944e2e003a9570d?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1313.51529881717,
                        "deviation": 68.67959517131634,
                        "volatility": 0.06002935613407231
                    }
                },
                "ranking": 21.230031457248057,
                "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": 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": 0,
            "max_ranking": 0,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2011-11-02T11:44:57Z",
            "ended": "2011-11-02T10:44:57Z",
            "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": 94940,
            "name": "Any rank",
            "director": {
                "id": 1006991,
                "username": "WillMa",
                "country": "cn",
                "icon": "https://secure.gravatar.com/avatar/3b854740fb42fc74c8b43503d4f64f46?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1425.3905788313666,
                        "deviation": 65.04358839826483,
                        "volatility": 0.06003849668312953
                    }
                },
                "ranking": 23.12228674059785,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": true,
            "group": {
                "id": 9509,
                "name": "Goggle",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 14,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2022-11-24T13:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-11-24T13:00:18.750397Z",
            "ended": "2023-10-26T13:09:54.273179Z",
            "start_waiting": "2022-11-24T13:00:18.337680Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 71717,
            "name": "第二届世界华人围棋联赛",
            "director": {
                "id": 885292,
                "username": "T.G",
                "country": "001",
                "icon": "https://user-uploads.online-go.com/ce44b8f2de5a3b442c0322da59e57745-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1005.5463781274477,
                        "deviation": 62.23597745075266,
                        "volatility": 0.060015327732075324
                    }
                },
                "ranking": 15.04490882050914,
                "professional": false,
                "ui_class": ""
            },
            "description": "本次比赛由 “世界华人围棋社团” 举办。",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 300,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 8419,
                "name": "世界华人围棋协会",
                "summary": "📣📣📣:诚邀世界各地各个水平阶段的棋友们前来一起切磋交流~ 主页含有各类免费围棋资源供大家使用(新手友好)。会内将定期举办各种赛事等活动,祝各位玩得开心!🔥🔥🔥",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 172,
                "icon": "https://user-uploads.online-go.com/1904b8af9a2c4de9493b717be66ba612-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-02-27T00:30:00Z",
            "players_start": 3,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-02-27T00:30:28.981885Z",
            "ended": "2021-02-27T01:51:02.211047Z",
            "start_waiting": "2021-02-27T00:30:28.785463Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/1904b8af9a2c4de9493b717be66ba612-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 65159,
            "name": "19x19 Double Elimination (New Zealand Rules)",
            "director": {
                "id": 637865,
                "username": "John.Tromp.Math.Maniac",
                "country": "nl",
                "icon": "https://user-uploads.online-go.com/d3a7d663721e94d8a2a5d3846f290611-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "nz",
            "time_per_move": 45120,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 43200,
                "initial_time": 172800,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 3207,
                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 591,
                "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-09-13T01:00:00Z",
            "players_start": 8,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-09-13T01:00:13.936162Z",
            "ended": "2021-05-12T17:22:26.606315Z",
            "start_waiting": "2020-09-13T01:00:12.822278Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
            "player_count": 23,
            "ranked": true
        },
        {
            "id": 135868,
            "name": "圍棋爭霸戰",
            "director": {
                "id": 1924492,
                "username": "Happyyyy4747",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/a373b8bbe80a2a671d86d9389f6a1940-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 490.8959667595366,
                        "deviation": 108.43240188296413,
                        "volatility": 0.060017322252204706
                    }
                },
                "ranking": 5,
                "professional": false,
                "ui_class": ""
            },
            "description": "好友的比賽",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": -1,
            "rules": "chinese",
            "time_per_move": 90782,
            "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": 16035,
                "name": "Happyyyy4747的好友群組",
                "summary": "Happyyyy4747+圍棋就是圍着你的棋+圍棋之神話+圍棋是什麼+iwish⋯⋯的共同群組~",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 12,
                "icon": "https://user-uploads.online-go.com/b26fbbb3bef2f1f1293692d5468e4aeb-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2025-12-31T02:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-12-31T02:00:45.736628Z",
            "ended": "2026-02-06T05:58:19.379219Z",
            "start_waiting": "2025-12-31T02:00:45.655428Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/b26fbbb3bef2f1f1293692d5468e4aeb-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63300,
            "name": "Mega tournament three",
            "director": {
                "id": 736023,
                "username": "2026vs.",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1529.4955917779457,
                        "deviation": 63.196335111054026,
                        "volatility": 0.060307009572073786
                    }
                },
                "ranking": 24.754179686665076,
                "professional": false,
                "ui_class": ""
            },
            "description": "9x9tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "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": 5351,
                "name": "2025vs ",
                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 194,
                "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-08-30T16:00:00Z",
            "players_start": 25,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-19T04:52:24.876474Z",
            "ended": "2021-04-12T21:09:20.567213Z",
            "start_waiting": "2020-08-19T04:52:24.118262Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
            "player_count": 36,
            "ranked": true
        },
        {
            "id": 918,
            "name": "beidao's nines",
            "director": {
                "id": 12516,
                "username": "beidao",
                "country": "gb",
                "icon": "https://secure.gravatar.com/avatar/59a2fd07c62e453c1050a020696090aa?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1018.8270986814457,
                        "deviation": 64.73384187871136,
                        "volatility": 0.0597200924156428
                    }
                },
                "ranking": 15.34866017392355,
                "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": 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": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-09-27T15:40:16Z",
            "ended": "2009-09-27T13:40:16Z",
            "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": 919,
            "name": "Negi's mini-tournament",
            "director": {
                "id": 27899,
                "username": "Negi",
                "country": "nl",
                "icon": "https://secure.gravatar.com/avatar/916fa5678c1a97da52babf181124c8eb?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1692.53512741016,
                        "deviation": 63.64944105690529,
                        "volatility": 0.059966307430087636
                    }
                },
                "ranking": 27.099031099228636,
                "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": 4,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2010-04-30T04:24:39Z",
            "ended": "2010-04-30T02:24:39Z",
            "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
        }
    ]
}