List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=25
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59440,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=26",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=24",
    "results": [
        {
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                "username": "charlie11",
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            },
            "description": "Please join, thank you",
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            "exclude_provisional": true,
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                "name": "25k-10k (Double Digets Please)",
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                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-31T17:42:03.017095Z",
            "ended": null,
            "start_waiting": "2021-08-31T17:42:01.785657Z",
            "board_size": 19,
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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            "ranked": true
        },
        {
            "id": 58625,
            "name": "Please Join!",
            "director": {
                "id": 736097,
                "username": "鍾曉林",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/c5868458d79bd4e0577ad2da8d81f4e2-64.png",
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                },
                "ranking": 20.949018374469894,
                "professional": false,
                "ui_class": ""
            },
            "description": "Please Join!🔥",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 30
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5100,
                "name": "Please Join and play Tournament!",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 15,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-07T09:55:00Z",
            "players_start": 1,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-07T09:55:50.359281Z",
            "ended": "2020-04-07T09:55:50.265695Z",
            "start_waiting": "2020-04-07T09:55:50.062728Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 1,
            "ranked": true
        },
        {
            "id": 134342,
            "name": "13x13 Open D.E. Cup #82",
            "director": {
                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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                },
                "ranking": 23.509309294900017,
                "professional": false,
                "ui_class": ""
            },
            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "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": false,
            "group": {
                "id": 12599,
                "name": "GO Special Tournaments",
                "summary": "",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2025-11-23T21:00:00Z",
            "players_start": 8,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-11-19T07:12:13.882431Z",
            "ended": null,
            "start_waiting": "2025-11-19T07:12:13.786778Z",
            "board_size": 13,
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            "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 58643,
            "name": "ქართველების ტურნირი",
            "director": {
                "id": 21742,
                "username": "დათო",
                "country": "ge",
                "icon": "https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
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                        "volatility": 0.06013689069472163
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                },
                "ranking": 33.04533320130458,
                "professional": false,
                "ui_class": ""
            },
            "description": "ორ წაგებაზე გავარდნა",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 55,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 60,
                "period_time": 55,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 262,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-04-07T18:30:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-07T18:30:10.987079Z",
            "ended": "2020-04-07T18:36:37.726555Z",
            "start_waiting": "2020-04-07T18:30:10.651369Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 126924,
            "name": "Турнир в честь возможного ухода bouganvillea 🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥",
            "director": {
                "id": 1687058,
                "username": "Kaw_Ninja",
                "country": "pt",
                "icon": "https://user-uploads.online-go.com/65362065d6e8e89c6607395ba8eb3d2f-64.png",
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                        "volatility": 0.06431646549167647
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                "ranking": 13.788845156340887,
                "professional": false,
                "ui_class": ""
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            "description": "🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
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