diff --git a/backend/static/bot/simple.py b/backend/static/bot/simple.py
index 4c0e199..bea8c85 100644
--- a/backend/static/bot/simple.py
+++ b/backend/static/bot/simple.py
@@ -1,7 +1,7 @@
 import sys, json, random
 
-def move(command):
-    record = { 'moves': [command] }
+def move(moves):
+    record = {'moves': moves}
     print(json.dumps(record))
     sys.stdout.flush()
 
@@ -13,12 +13,12 @@ for line in sys.stdin:
     other_planets = [p for p in state['planets'] if p['owner'] != 1]
 
     if not my_planets or not other_planets:
-        move(None)
+        move([])
     else:
         planet = max(my_planets, key=lambda p: p['ship_count'])
         dest = min(other_planets, key=lambda p: p['ship_count'])
-        move({
+        move([{
             'origin': planet['name'],
             'destination': dest['name'],
             'ship_count': planet['ship_count'] - 1
-        })
+        }])
diff --git a/backend/templates/help/help_1.html.tera b/backend/templates/help/help_1.html.tera
index 79dd979..34d2e05 100644
--- a/backend/templates/help/help_1.html.tera
+++ b/backend/templates/help/help_1.html.tera
@@ -16,7 +16,7 @@ Information
         <li>planets  on 2d plane</li>
         <li>players can occupy planets</li>
         <li>each turn, an occupied planet constructs a new ship for its owner</li>
-        <li>spaceship travel time is proportional to the euclidean distance (floor(sqrt(dx * dx - dy * dy)))</li>
+        <li>spaceship travel time is proportional to the euclidean distance (ceil(sqrt(dx * dx + dy * dy)))</li>
         <li>combat happens only on planets</li>
     </ul>
     <h2>Turn Order</h2>
diff --git a/backend/templates/help/help_6.html.tera b/backend/templates/help/help_6.html.tera
index f7040c2..f33186e 100644
--- a/backend/templates/help/help_6.html.tera
+++ b/backend/templates/help/help_6.html.tera
@@ -18,9 +18,9 @@ How to connect
         <code>
 $ wget mozaic.zeus.gent/bot/runner.py
 $ wget mozaic.zeus.gent/bot/simple.py
-$ python runner.py -p 9142 --host mozaic.zeus.gent \
+$ python3 runner.py -p 9142 --host mozaic.zeus.gent \
     -n &lt;Your name&gt; -i &lt;Id from the lobby&gt; \
-    python simple.py
+    python3 simple.py
         </code>
     </pre>
 </div>
diff --git a/backend/templates/index2.html.tera b/backend/templates/index2.html.tera
index 55b771a..86339a1 100644
--- a/backend/templates/index2.html.tera
+++ b/backend/templates/index2.html.tera
@@ -54,7 +54,7 @@
         <p>Build a bot! All information about the planetwars game, <a target="_blank" href="https://docs.google.com/presentation/d/1YXr7IsmEiBpRwgAoFPqsjFoKoyXOv9LAhPbsambGX70/edit?usp=sharing">please visit</a> for input output format etc. You can find an example bot <a href="bot/simple.py">here</a>.</p>
         <p>Optionally, you can create your own custom with the mapbuilder</p>
         <p>Start a game instance in the lobby, don't forget to name it, watching the visualization afterwars is the only way to know who won atm.</p>
-        <p>Start up your bot and connect to the game instance. In the lobby you will see keys corresponding to players in the game. You can use <a href="bot/runner.py">the botrunner</a> to run your bot, with the command <span style="font-style: italic;">python runner.py --host mozaic.zeus.gent -n {your name} -i {your key} {The command to start you bot}</span>.
+        <p>Start up your bot and connect to the game instance. In the lobby you will see keys corresponding to players in the game. You can use <a href="bot/runner.py">the botrunner</a> to run your bot, with the command <span style="font-style: italic;">python3 runner.py --host mozaic.zeus.gent -n {your name} -i {your key} {The command to start you bot}</span>.
         <p>Invite friends!</p>
         <p>Bash your friends because you have the superior bot, according to the visualizer</p>
     </div>
diff --git a/backend/templates/lobby.html.tera b/backend/templates/lobby.html.tera
index ffab095..5e68a8e 100644
--- a/backend/templates/lobby.html.tera
+++ b/backend/templates/lobby.html.tera
@@ -22,7 +22,7 @@
             </div>
             <div class="input_container number">
                 <label for="turns">Max turns:</label>
-                <input id="turns" type="number" value=200></input>
+                <input id="turns" type="number" value=1000></input>
             </div>
             <div class="input_container number">
                 <label for="nop">Number of players:</label>
diff --git a/client/run.sh b/client/run.sh
index 8b4dad1..ed0ef4c 100755
--- a/client/run.sh
+++ b/client/run.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
 echo "Using token $1"
-python runner.py -n simple.py --host ${HOST:-localhost} -p 9142 -i $1 python simple.py
+python3 runner.py -n simple.py --host ${HOST:-localhost} -p 9142 -i $1 python3 simple.py
diff --git a/client/runner.py b/client/runner.py
index ff4e0e1..3f2b8f9 100755
--- a/client/runner.py
+++ b/client/runner.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/env python3
 
 import socket, sys, subprocess, argparse, io, threading, json