List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=5879
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "id": 1015644,
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        {
            "id": 16966,
            "name": "(Orthodox) Easter Bunny Tournament",
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                "id": 2183,
                "username": "udhar_nabresh",
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            "description": "A bag full of chocolate eggs ...",
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        {
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            "name": "Sitewide July 2014 SDKs Live - 26. July",
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                "username": "mlopezviedma",
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            "description": "Starting Time is: Saturday, July 26, 20:00 UTC/GMT. - Please make sure to read the F.A.Q.: http://goo.gl/noU9QQ",
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            "title": null,
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        {
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            "description": "Things to keep in mind:\n* Use the conditional move feature to speed up the game.\n* No pauses and no vacations are allowed; if any player switch it on, then they will be disqualified without further notice or reminder (unless they have an urgent matter to attend to and give notice to TD).\n* Disqualification will occur automatically by the site if a player loses by timeout (if they have more than 50 active games they will be disqualified by the TD too).\n* If disqualified by the TD, all outstanding games will be forfeited, which will affect the player’s ranking.\n* If you find that a player pauses the game, enters vacation mode or has bad behavior, please send a message to the TD.\n* And last but not least: no weekends, just make your move; it’s a tournament, my friend!\n\nNote: OGS has a new feature that automatically turns on vacation mode when a player is reaching a possible lost by timeout. Make sure to disable it in https://online-go.com/settings/vacation",
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                "name": "Fast and narrow rank range tournaments",
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        {
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            "description": "Round Robin for Single Digit Kyu Players.",
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            "group": {
                "id": 20,
                "name": "Single Digit Kyu Room",
                "summary": "A room for SDK's \r\n",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "subsequent_pairing_method": "slaughter",
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        {
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                "username": "Tg45",
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