List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=player_count&page=5464
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "做世界高手吧!\nBe the strongest in OGS!\n\n<p><H2><I><a Href=\"https://online-go.com/group/13697\"><big><span style=\"color:yellow;\">Online Go Tournament🎖️\n\n\n<div style=\"\n  background: rgba(0, 0, 0.6);\n  border: 2px solid gold;\n  border-radius: 30px;\n  padding: 15px;\n  backdrop-filter: blur(5px);\n  color: #fff;\n  text-align: center;\n  box-shadow: 0 0 15px gold;\n\">\n  <h3>  <span style=\"color:tomato;\">🎯Please join my group🎯</h3>\n  <p>  <span style=\"color:cyan;\">Welcome anyone to join! </p>\n  <a href=\"https://online-go.com/group/13697\" style=\"\n  display: inline-block;\n  background-color: #4CAF50;\n  color: white;\n  padding: 10px 20px;\n  text-align: center;\n  text-decoration: none;\n  font-size: 16px;\n  border-radius: 8px;\n  border: none;\n  cursor: pointer;\n\"><span style=\"color:indigo;\">👉 Click me to join group👈 </a>\n\n <!DOCTYPE html> <html lang=\"en\"> <head> <link rel=\"stylesheet\" type=\"text/css\" href=\"https://yewang.github.io/ProfileCSS/profile.css \"> <link rel=\"stylesheet\" type=\"text/css\" </head>",
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