--- a/slides/slides05.tex	Thu Dec 08 22:19:21 2022 +0000
+++ b/slides/slides05.tex	Sat Dec 17 12:42:49 2022 +0000
@@ -3,6 +3,7 @@
 \usepackage{../styles/slides}
 \usepackage{../styles/mygraphs}
 \usepackage{../styles/langs}
+\usepackage{chessboard} 
 %%\usepackage{../data}
 %%\usepackage[export]{adjustbox}
 \usetikzlibrary{shapes,arrows,shadows}
@@ -182,7 +183,7 @@
 \begin{minipage}{1.2\textwidth}
 \begin{itemize}
 \item SGTs still ongoing next week
-\item LGT next week online Ask-Me-Anything (will be recorded, TEAMS link will be emailed and published on KEATS)
+\item LGT next week online: Ask-Me-Anything (will be recorded, TEAMS link will be emailed and published on KEATS)
 \item tests might break over Christmas  
 \end{itemize}\bigskip
 
@@ -195,6 +196,16 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     
+\begin{frame}[c]
+\frametitle{Main 4: \knight-Tour}
+
+\begin{center}
+\Large\bf hint
+\end{center}  
+
+\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c]
@@ -305,10 +316,10 @@
 \frametitle{Plan for Today}
 
 \begin{itemize}
+\item Polymorphic Types  
 \item Implicits
-\item Polymorphic Types
 \item Immutable OOP
-\item Making Fun about Scala
+%%\item Making Fun about Scala
 \end{itemize}
 
 \end{frame}
@@ -480,12 +491,16 @@
 \begin{itemize}
 \item Martin Odersky (EPFL) developed now Scala 3\medskip
 
-\item I use Ammonite by Haoji Li\medskip
+\item I use Ammonite by Haoyi Li\medskip
   
 \item Elm (\url{http://elm-lang.org})\ldots web applications with style\medskip   
 
 \item Haskell, Ocaml, Standard ML, Scheme, \ldots 
 \end{itemize}  
+
+\begin{textblock}{5}(12,9)
+\includegraphics[scale=0.15]{../pics/haojili.png} 
+\end{textblock}  
 \end{frame}
 
 
@@ -548,6 +563,11 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%   
 
+\begin{frame}<1-10>[c,fragile]
+
+
+\end{frame}  
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \end{document}