List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=first_pairing_method&page=6079
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60784,
    "next": null,
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=first_pairing_method&page=6078",
    "results": [
        {
            "id": 105699,
            "name": "August 2023 9x9 A League Correspondence",
            "director": {
                "id": 1396103,
                "username": "Armadillidium",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/bfc956af77caf4d31e4ad6b04b1f718b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1500,
                        "deviation": 350,
                        "volatility": 0.06
                    }
                },
                "ranking": 24.303382182144386,
                "professional": false,
                "ui_class": "provisional"
            },
            "description": "Have fun.",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 17448,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 14400,
                "initial_time": 86400,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 7228,
                "name": "DDK Proving Grounds (Double Digit Kyu)",
                "summary": "A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 658,
                "icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-08-01T19:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 13,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2023-08-01T19:00:53.055670Z",
            "ended": "2023-08-17T17:14:24.302018Z",
            "start_waiting": "2023-08-01T19:00:52.866372Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-15.png",
            "player_count": 14,
            "ranked": true
        },
        {
            "id": 649,
            "name": "someguy83's 3rd 9x9 mini-tournament",
            "director": {
                "id": 22195,
                "username": "someguy83",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/6b55dcc97e9926e504aa8bb1ca3ff5f3?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2002.4985729787452,
                        "deviation": 70.98986614103825,
                        "volatility": 0.060031664199102636
                    }
                },
                "ranking": 30.992125091367647,
                "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": 386,
                "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": "2008-11-16T09:59:06Z",
            "ended": "2008-11-16T08:59:06Z",
            "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": 95242,
            "name": "19x19 Double Elimination - Dec 2022",
            "director": {
                "id": 987760,
                "username": "deleted-f41b36e6-1556-4899-a775-dc2c1cd9ebb4",
                "country": "ca",
                "icon": "https://user-uploads.online-go.com/ec04439eea132df85e433a87c1f8a3c0-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2106.117124550817,
                        "deviation": 68.03535601314194,
                        "volatility": 0.05996971658182498
                    }
                },
                "ranking": 32.16005045129194,
                "professional": false,
                "ui_class": ""
            },
            "description": "Strength based pairings to hopefully maximize the number of competitive games you get!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "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": 1843,
                "name": "Open Study Room",
                "summary": "Community of go players who play long serious games in leagues, study together, set up lectures.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 1806,
                "icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2022-12-02T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-12-02T00:00:54.588657Z",
            "ended": "2024-05-06T18:00:15.425735Z",
            "start_waiting": "2022-12-02T00:00:54.120074Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-15.png",
            "player_count": 32,
            "ranked": true
        },
        {
            "id": 147,
            "name": "justin's mini-tournament",
            "director": {
                "id": 3992,
                "username": "justin",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1af79c2227077e535f2dd41de041ea88?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 912.6279531282454,
                        "deviation": 135.0990179278048,
                        "volatility": 0.059997579870932995
                    }
                },
                "ranking": 12.800330325090268,
                "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": 386,
                "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": "2006-10-27T14:35:00Z",
            "ended": "2007-02-08T15:13:00Z",
            "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
        }
    ]
}