List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=handicap&page=149
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.",
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            "description": "BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎~~~",
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