+const db = new sqlite3.Database(__dirname + "/db/vchess.sqlite");
+
+// Node version in Ubuntu 16.04 does not know about URL class
+function getJsonFromUrl(url) {
+ var query = url.substr(2); //starts with "/?"
+ var result = {};
+ query.split("&").forEach(function(part) {
+ var item = part.split("=");
+ result[item[0]] = decodeURIComponent(item[1]);
+ });
+ return result;
+}