\providecommand{\ntables}{7}\providecommand{\algatables}{\StrLeft{maxdifft2000g0.5Nndstep}{\ntables}}\providecommand{\algbtables}{\StrLeft{maxdifft2000g0.5ndstep}{\ntables}}\providecommand{\algctables}{\StrLeft{maxdifft2000g1ndstep}{\ntables}}
\begin{tabularx}{1.03\textwidth}{@{}c@{}|*{6}{@{}r@{}X@{}}|@{}r@{}@{}l@{}}
$\Delta f_\mathrm{opt}$ & \multicolumn{2}{@{\,}X@{\,}}{1e1} & \multicolumn{2}{@{\,}X@{\,}}{1e0} & \multicolumn{2}{@{\,}X@{\,}}{1e-1} & \multicolumn{2}{@{\,}X@{\,}}{1e-3} & \multicolumn{2}{@{\,}X@{\,}}{1e-5} & \multicolumn{2}{@{\,}X@{}|}{1e-7} & \multicolumn{2}{@{}l@{}}{\#succ}\\\hline
\textbf{f1} & \multicolumn{2}{@{\,}X@{\,}}{1.8} & \multicolumn{2}{@{\,}X@{\,}}{5.7} & \multicolumn{2}{@{\,}X@{\,}}{5.7} & \multicolumn{2}{@{\,}X@{\,}}{6.2} & \multicolumn{2}{@{\,}X@{\,}}{6.2} & \multicolumn{2}{@{\,}X@{\,}|}{6.2} & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{1} & \textbf{.8}\mbox{\tiny (2)} & \textbf{1} & \textbf{.7}\mbox{\tiny (0.2)} & \textbf{2} & \textbf{.3}\mbox{\tiny (0.3)} & 3 & .6\mbox{\tiny (0.9)} & 5 & .0\mbox{\tiny (1.0)} & 6 & .2\mbox{\tiny (0.8)} & 15 & /15\\
\algbtables\hspace*{\fill} & \textbf{1} & \textbf{.8}\mbox{\tiny (2)} & \textbf{1} & \textbf{.7}\mbox{\tiny (0.2)} & \textbf{2} & \textbf{.3}\mbox{\tiny (0.3)} & 3 & .6\mbox{\tiny (0.9)} & 5 & .3\mbox{\tiny (1)} & 6 & .7\mbox{\tiny (2)} & 15 & /15\\
\algctables\hspace*{\fill} & \textbf{1} & \textbf{.8}\mbox{\tiny (2)} & \textbf{1} & \textbf{.7}\mbox{\tiny (0.2)} & \textbf{2} & \textbf{.3}\mbox{\tiny (0.3)} & \textbf{3} & \textbf{.2}\mbox{\tiny (0.3)} & \textbf{4} & \textbf{.6}\mbox{\tiny (0.7)} & \textbf{5} & \textbf{.6}\mbox{\tiny (0.6)} & 15 & /15
\end{tabularx}