Upon connecting to the server, the client issues a message of the form
<session-request>
 <name> -some arbitrary identifier- </name>
 <problem> -the name of the problem to work on- </problem>
</session-request>

the server will respond with
<session-init>
 <sessionID> -some number- </sessionID>
 <setting>
  <rounds> -the times you can try the problem- </rounds>
  <allowed-time> -time limit- </allowed-time>
  <allowed-turns> -turn limit- </allowed-turns>
 </setting>
</session-init>

the client will then send
<round-request/>

to which the server responds
<round-init>
 <round> -the count of how many rounds you've done- </round>
 <sessionID> -that same  number- </sessionID>
</round-init>

at this point the client may do any calculations, as the clock is running.

the server will give states like this
<state>
 <is-goal/> (this will only appear if the goal has been met)
 -atoms-
 -values-
</state>

an atom
<atom>
 <predicate> -the name of the predicate- </predicate>
 <term> -a term- </term>  (0 or more of these)
 <term> -another term- </term>
</atom>

a value
<application name="-the value's label-" value="-the value-">
 <term> -a term- </term>  (0 or more of these)
 <term> -another term- </term>
</application>

the client responds with actions
<act>
 <action>
  <name> -the name of the action- </name>
  <term> -a term- </term>  (0 or more of these)
  <term> -another term- </term>
 </action>
</act>