List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=rules&page=171
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "username": "Kosh-retired",
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            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 45120,
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                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
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            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 830,
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            "auto_start_on_max": true,
            "time_start": "2019-11-26T11:58:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-11-23T23:02:51.034847Z",
            "ended": "2019-12-16T04:30:31.812641Z",
            "start_waiting": "2019-11-23T23:02:44.154461Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
        }
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}