 not applicable.</li>
									<li><b>next_rank</b> <span>(string?)</span> &mdash; The next rank this user can achieve, if they win more games, or null if unranked (or the best rank).</li>
									<li><b>prev_rank</b> <span>(string?)</span> &mdash; The previous rank this user can achieve, if they lose more games, or null if unranked (or the worst rank).</li>
									<li><b>next_at</b> <span>(int)</span> &mdash; The position of the best player in the user's current rank, surpass them to go up a rank. -1 if