Wang

   --->   
 ^      |
 |      |
 |      |
 |      v
   <---
 
      ^
      |
      |
      |
 <--- o --->
      |
      |
      |
      v
 
 

Wang means king in the Korean language.

This is my first sharp 90-degree turner.

  --->   
^      |
|      |
|      |
|      v
  <---

     ^
     |
     |
     |
<--- o --->
     |
     |
     |
     v

This robot has corner movement.

kind of Tron rip-off

At least, Wang wins in the samplebot melee.