fixed false positive on chess.com

sherlock/resources/data.json

@@ -287,10 +287,12 @@
     "username_unclaimed": "noonewouldeverusethis"
   },
   "Chess": {
-    "errorMsg": "Missing page... somebody made a wrong move.",
+    "errorMsg": "usernameSuggestions",
     "errorType": "message",
+    "regexCheck": "^[a-z1-9]{3,25}$",
     "url": "https://www.chess.com/member/{}",
     "urlMain": "https://www.chess.com/",
+    "urlProbe": "https://www.chess.com/callback/user/valid?username={}",
     "username_claimed": "blue",
     "username_unclaimed": "noonewouldeverusethis7"
   },