diff --git a/src/core/libircclient/include/libircclient.h b/src/core/libircclient/include/libircclient.h
index dbaff1eb..82bff5c7 100644
--- a/src/core/libircclient/include/libircclient.h
+++ b/src/core/libircclient/include/libircclient.h
@@ -126,6 +126,7 @@ typedef void (*irc_dcc_callback_t) (irc_session_t * session, irc_dcc_t id, int s
 
 #define IN_INCLUDE_LIBIRC_H
 #include "libirc_errors.h"
+#include "libirc_rfcnumeric.h"
 #include "libirc_events.h"
 #include "libirc_options.h"
 
diff --git a/src/gui/generic/serverguiwrapper.cpp b/src/gui/generic/serverguiwrapper.cpp
index 7198d3c7..1f71cea4 100644
--- a/src/gui/generic/serverguiwrapper.cpp
+++ b/src/gui/generic/serverguiwrapper.cpp
@@ -125,4 +125,8 @@ void ServerGuiWrapper::SignalNetClientWaitDialog() { if (myClientcb) myClientcb-
 void ServerGuiWrapper::SignalNetServerSuccess(int actionID) { if (myServercb) myServercb->SignalNetServerSuccess(actionID); }
 void ServerGuiWrapper::SignalNetServerError(int errorID, int osErrorID) { if (myServercb) myServercb->SignalNetServerError(errorID, osErrorID); }
 
+void ServerGuiWrapper::SignalIrcConnect(const string &server) { if (myIrccb) myIrccb->SignalIrcConnect(server); }
+void ServerGuiWrapper::SignalIrcSelfJoined(const string &nickName, const std::string &channel) { if (myIrccb) myIrccb->SignalIrcSelfJoined(nickName, channel); }
+void ServerGuiWrapper::SignalIrcPlayerJoined(const string &nickName) { if (myIrccb) myIrccb->SignalIrcPlayerJoined(nickName); }
+void ServerGuiWrapper::SignalIrcPlayerLeft(const string &nickName) { if (myIrccb) myIrccb->SignalIrcPlayerLeft(nickName); }
 void ServerGuiWrapper::SignalIrcChatMsg(const string &nickName, const string &msg) { if (myIrccb) myIrccb->SignalIrcChatMsg(nickName, msg); }
diff --git a/src/gui/generic/serverguiwrapper.h b/src/gui/generic/serverguiwrapper.h
index 0bbd2af9..358c527a 100644
--- a/src/gui/generic/serverguiwrapper.h
+++ b/src/gui/generic/serverguiwrapper.h
@@ -110,6 +110,10 @@ public:
 	void SignalNetServerSuccess(int actionID);
 	void SignalNetServerError(int errorID, int osErrorID);
 
+	void SignalIrcConnect(const std::string &server);
+	void SignalIrcSelfJoined(const std::string &nickName, const std::string &channel);
+	void SignalIrcPlayerJoined(const std::string &nickName);
+	void SignalIrcPlayerLeft(const std::string &nickName);
 	void SignalIrcChatMsg(const std::string &nickName, const std::string &msg);
 
 private:
diff --git a/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp b/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp
index 775bba36..e2a1d547 100644
--- a/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp
+++ b/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp
@@ -33,7 +33,13 @@ gameLobbyDialogImpl::gameLobbyDialogImpl(QWidget *parent, ConfigFile *c)
 	connect( treeWidget_connectedPlayers, SIGNAL( currentItemChanged ( QTreeWidgetItem*, QTreeWidgetItem*) ), this, SLOT( playerSelected(QTreeWidgetItem*, QTreeWidgetItem*) ) );
 	connect( lineEdit_ChatInput, SIGNAL( returnPressed () ), this, SLOT( sendChatMessage() ) );
 	connect( lineEdit_ChatInput, SIGNAL( textChanged (QString) ), this, SLOT( checkChatInputLength(QString) ) );
-	
+
+	connect( this, SIGNAL( signalChatConnect(QString) ), myChat, SLOT( connected (QString) ) );
+	connect( this, SIGNAL( signalChatSelfJoined(QString, QString) ), myChat, SLOT( selfJoined (QString, QString) ) );
+	connect( this, SIGNAL( signalChatPlayerJoined (QString) ), myChat, SLOT( playerJoined (QString) ) );
+	connect( this, SIGNAL( signalChatPlayerLeft (QString) ), myChat, SLOT( playerLeft (QString) ) );
+	connect( this, SIGNAL( signalChatMessage (QString, QString) ), myChat, SLOT( displayMessage (QString, QString) ) );
+
 	clearDialog();
 }
 
@@ -75,7 +81,7 @@ void gameLobbyDialogImpl::createGame()
 		gameData.startMoney = myCreateInternetGameDialog->spinBox_startCash->value();
 		gameData.smallBlind = myCreateInternetGameDialog->getChangeCompleteBlindsDialog()->spinBox_firstSmallBlind->value();
 		gameData.handsBeforeRaise = myCreateInternetGameDialog->getChangeCompleteBlindsDialog()->spinBox_raiseSmallBlindEveryHands->value();
-	gameData.guiSpeed = myCreateInternetGameDialog->spinBox_gameSpeed->value();
+		gameData.guiSpeed = myCreateInternetGameDialog->spinBox_gameSpeed->value();
 		gameData.guiSpeed = myCreateInternetGameDialog->spinBox_gameSpeed->value();
 		gameData.playerActionTimeoutSec = myCreateInternetGameDialog->spinBox_netTimeOutPlayerAction->value();
 
@@ -267,6 +273,7 @@ void gameLobbyDialogImpl::clearDialog()
 
 	pushButton_CreateGame->clearFocus();
 	lineEdit_ChatInput->setFocus();
+	myChat->clearChat();
 }
 
 void gameLobbyDialogImpl::checkPlayerQuantity() {
@@ -391,7 +398,6 @@ void gameLobbyDialogImpl::kickPlayer() {
 }
 
 void gameLobbyDialogImpl::sendChatMessage() { myChat->sendMessage(); }
-void gameLobbyDialogImpl::displayChatMessage(QString nickName, QString msg) { myChat->receiveMessage(nickName, msg); }
 void gameLobbyDialogImpl::checkChatInputLength(QString string) { myChat->checkInputLength(string); }
 
 void gameLobbyDialogImpl::keyPressEvent ( QKeyEvent * event ) {
diff --git a/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h b/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h
index 88499ea7..6f0619f9 100644
--- a/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h
+++ b/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.h
@@ -44,7 +44,14 @@ public:
 	Session& getSession() { return *mySession; }
 
 	void setMyW ( mainWindowImpl* theValue ) { myW = theValue; }
-	
+
+signals:
+	void signalChatConnect(QString server);
+	void signalChatSelfJoined(QString nickName, QString channel);
+	void signalChatPlayerJoined(QString nickName);
+	void signalChatPlayerLeft(QString nickName);
+	void signalChatMessage(QString nickName, QString msg);
+
 public slots:
 
 	void createGame();
@@ -79,7 +86,6 @@ public slots:
 	void clearDialog();
 
 	void sendChatMessage();
-	void displayChatMessage(QString nickName, QString msg);
 	void checkChatInputLength(QString string);
 	
 	void keyPressEvent(QKeyEvent * event); 
diff --git a/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.cpp b/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.cpp
index b983e0b3..25bcae83 100644
--- a/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.cpp
+++ b/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.cpp
@@ -27,8 +27,6 @@ using namespace std;
 
 LobbyChat::LobbyChat(gameLobbyDialogImpl* l) : myLobby(l)
 {
-
-	connect(this, SIGNAL(signalChatMessage(QString, QString)), this, SLOT(receiveMessage(QString, QString)));
 }
 
 LobbyChat::~LobbyChat()
@@ -38,15 +36,48 @@ LobbyChat::~LobbyChat()
 
 void LobbyChat::sendMessage() {
 
-	QString tmpMsg(myLobby->lineEdit_ChatInput->text());
-	myLobby->getSession().sendIrcChatMessage(tmpMsg.toUtf8().constData());
-	myLobby->lineEdit_ChatInput->setText("");
+	if (myNick.size())
+	{
+		QString tmpMsg(myLobby->lineEdit_ChatInput->text());
+		if (tmpMsg.size())
+		{
+			myLobby->getSession().sendIrcChatMessage(tmpMsg.toUtf8().constData());
+			myLobby->lineEdit_ChatInput->setText("");
 
-	// TODO: just temporary instead of callback
-	receiveMessage("(me)", tmpMsg);
+			displayMessage(myNick, tmpMsg);
+		}
+	}
 }
 
-void LobbyChat::receiveMessage(QString playerName, QString message) { 
+void LobbyChat::connected(QString server)
+{
+	myLobby->textBrowser_ChatDisplay->append(tr("Successfully connected to") + " " + server + ".");
+}
+
+void LobbyChat::selfJoined(QString ownName, QString channel)
+{
+	myNick = ownName;
+	myLobby->textBrowser_ChatDisplay->append(tr("Joined channel:") + " " + channel + " " + tr("as user") + " " + ownName + ".");
+	myLobby->textBrowser_ChatDisplay->append("");
+	playerJoined(ownName);
+	myLobby->lineEdit_ChatInput->setEnabled(true);
+	myLobby->lineEdit_ChatInput->setFocus();
+}
+
+void LobbyChat::playerJoined(QString playerName)
+{
+	QTreeWidgetItem *item = new QTreeWidgetItem(myLobby->treeWidget_NickList, 0);
+	item->setData(0, Qt::DisplayRole, playerName);
+}
+
+void LobbyChat::playerLeft(QString playerName)
+{
+	QList<QTreeWidgetItem *> tmpList(myLobby->treeWidget_NickList->findItems(playerName, Qt::MatchExactly));
+	if (!tmpList.empty())
+		myLobby->treeWidget_NickList->takeTopLevelItem(myLobby->treeWidget_NickList->indexOfTopLevelItem(tmpList.front()));
+}
+
+void LobbyChat::displayMessage(QString playerName, QString message) { 
 
 	myLobby->textBrowser_ChatDisplay->append(playerName + ": " + message); 
 }
@@ -58,7 +89,11 @@ void LobbyChat::checkInputLength(QString string) {
 
 void LobbyChat::clearChat() {
 
+	myNick = "";
+	myLobby->treeWidget_NickList->clear();
 	myLobby->textBrowser_ChatDisplay->clear();
+	myLobby->textBrowser_ChatDisplay->append(tr("Connecting to IRC server..."));
+	myLobby->lineEdit_ChatInput->setEnabled(false);
 /*	QStringList wordList;
 	wordList << "alpha" << "omega" << "omicron" << "zeta";*/
 	
diff --git a/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.h b/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.h
index c7992408..513563da 100644
--- a/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.h
+++ b/src/gui/qt/gamelobbydialog/lobbychat/lobbychat.h
@@ -35,19 +35,21 @@ public:
 
 	~LobbyChat();
 
-signals:
-	void signalChatMessage(QString playerName, QString msg);
-
 public slots:
 	
 	void sendMessage();
-	void receiveMessage(QString playerName, QString msg);
+	void connected(QString server);
+	void selfJoined(QString ownName, QString channel);
+	void playerJoined(QString playerName);
+	void playerLeft(QString playerName);
+	void displayMessage(QString playerName, QString msg);
 	void checkInputLength(QString);
 	void clearChat();
 		
 private:
 	gameLobbyDialogImpl *myLobby;
-	
+
+	QString myNick;
 // friend class GuiWrapper;
 };
 
diff --git a/src/gui/qt/guiwrapper.cpp b/src/gui/qt/guiwrapper.cpp
index fece9d58..b4d3b144 100644
--- a/src/gui/qt/guiwrapper.cpp
+++ b/src/gui/qt/guiwrapper.cpp
@@ -139,5 +139,9 @@ void GuiWrapper::SignalNetClientWaitDialog() { myW->signalShowNetworkStartDialog
 void GuiWrapper::SignalNetServerSuccess(int actionID) { }
 void GuiWrapper::SignalNetServerError(int errorID, int osErrorID) { myW->signalNetServerError(errorID, osErrorID); }
 
+void GuiWrapper::SignalIrcConnect(const string &server) { myW->signalIrcConnect(QString::fromUtf8(server.c_str())); }
+void GuiWrapper::SignalIrcSelfJoined(const string &nickName, const string &channel) { myW->signalIrcSelfJoined(QString::fromUtf8(nickName.c_str()), QString::fromUtf8(channel.c_str())); }
+void GuiWrapper::SignalIrcPlayerJoined(const std::string &nickName) { myW->signalIrcPlayerJoined(QString::fromUtf8(nickName.c_str())); }
+void GuiWrapper::SignalIrcPlayerLeft(const std::string &nickName) { myW->signalIrcPlayerLeft(QString::fromUtf8(nickName.c_str())); }
 void GuiWrapper::SignalIrcChatMsg(const std::string &nickName, const std::string &msg) { myW->signalIrcChatMessage(QString::fromUtf8(nickName.c_str()), QString::fromUtf8(msg.c_str())); }
 
diff --git a/src/gui/qt/guiwrapper.h b/src/gui/qt/guiwrapper.h
index 241edd2b..a4c6ee70 100644
--- a/src/gui/qt/guiwrapper.h
+++ b/src/gui/qt/guiwrapper.h
@@ -118,6 +118,10 @@ public:
 	void SignalNetServerSuccess(int actionID);
 	void SignalNetServerError(int errorID, int osErrorID);
 
+	void SignalIrcConnect(const std::string &server);
+	void SignalIrcSelfJoined(const std::string &nickName, const std::string &channel);
+	void SignalIrcPlayerJoined(const std::string &nickName);
+	void SignalIrcPlayerLeft(const std::string &nickName);
 	void SignalIrcChatMsg(const std::string &nickName, const std::string &msg);
 
 private:
diff --git a/src/gui/qt/mainwindow/mainwindowimpl.cpp b/src/gui/qt/mainwindow/mainwindowimpl.cpp
index 56743595..597a4e9e 100755
--- a/src/gui/qt/mainwindow/mainwindowimpl.cpp
+++ b/src/gui/qt/mainwindow/mainwindowimpl.cpp
@@ -677,7 +677,11 @@ mainWindowImpl::mainWindowImpl(ConfigFile *c, QMainWindow *parent)
 	connect(this, SIGNAL(signalNetServerError(int, int)), this, SLOT(networkError(int, int)));
 	connect(this, SIGNAL(signalNetClientGameStart(boost::shared_ptr<Game>)), this, SLOT(networkStart(boost::shared_ptr<Game>)));
 
-	connect(this, SIGNAL(signalIrcChatMessage(QString, QString)), myGameLobbyDialog, SLOT(displayChatMessage(QString, QString)));
+	connect(this, SIGNAL(signalIrcConnect(QString)), myGameLobbyDialog, SIGNAL(signalChatConnect(QString)));
+	connect(this, SIGNAL(signalIrcSelfJoined(QString, QString)), myGameLobbyDialog, SIGNAL(signalChatSelfJoined(QString, QString)));
+	connect(this, SIGNAL(signalIrcPlayerJoined(QString)), myGameLobbyDialog, SIGNAL(signalChatPlayerJoined(QString)));
+	connect(this, SIGNAL(signalIrcPlayerLeft(QString)), myGameLobbyDialog, SIGNAL(signalChatPlayerLeft(QString)));
+	connect(this, SIGNAL(signalIrcChatMessage(QString, QString)), myGameLobbyDialog, SIGNAL(signalChatMessage(QString, QString)));
 
 	//Sound
 	mySDLPlayer = new SDLPlayer(myConfig);
diff --git a/src/gui/qt/mainwindow/mainwindowimpl.h b/src/gui/qt/mainwindow/mainwindowimpl.h
index b77a8095..69a60c68 100755
--- a/src/gui/qt/mainwindow/mainwindowimpl.h
+++ b/src/gui/qt/mainwindow/mainwindowimpl.h
@@ -138,6 +138,10 @@ signals:
 	void signalNetClientGameListPlayerLeft(unsigned gameId, unsigned playerId);
 	void signalNetClientGameStart(boost::shared_ptr<Game> game);
 
+	void signalIrcConnect(QString server);
+	void signalIrcSelfJoined(QString nickName, QString channel);
+	void signalIrcPlayerJoined(QString nickName);
+	void signalIrcPlayerLeft(QString nickName);
 	void signalIrcChatMessage(QString nickName, QString msg);
 
 public slots:
diff --git a/src/net/common/ircthread.cpp b/src/net/common/ircthread.cpp
index f6e37009..1751f987 100644
--- a/src/net/common/ircthread.cpp
+++ b/src/net/common/ircthread.cpp
@@ -20,6 +20,8 @@
 #include <net/ircthread.h>
 
 #include <libircclient.h>
+#include <sstream>
+#include <cctype>
 
 using namespace std;
 
@@ -34,16 +36,78 @@ struct IrcContext
 	string channel;
 };
 
-void
-irc_connect(irc_session_t *session, const char *event, const char *origin, const char **params, unsigned count)
+void irc_auto_rename_nick(irc_session_t *session)
 {
 	IrcContext *context = (IrcContext *) irc_get_ctx(session);
 
+	// Automatically rename the nick on collision.
+	// First: Try to append the string "Lobby".
+	if (context->nick.find("|Lobby") == string::npos)
+		context->nick = context->nick + "|Lobby";
+	else
+	{
+		// This didn't work out. Append a number or increment it.
+		string::reverse_iterator end = context->nick.rbegin();
+		if (!context->nick.empty() && isdigit(*end))
+		{
+			if (*end != '9')
+				*end = (*end) + 1;
+			else
+				context->nick = context->nick + "0";
+		}
+		else
+			context->nick = context->nick + "1";
+	}
+	irc_cmd_nick(session, context->nick.c_str());
+}
+
+void irc_notify_player_list(irc_session_t *session, const char *players)
+{
+	IrcContext *context = (IrcContext *) irc_get_ctx(session);
+
+	istringstream input(players);
+	string name;
+	input >> name;
+	while (!input.fail() && !input.eof())
+	{
+		if (name != context->nick)
+			context->ircThread.GetCallback().SignalIrcPlayerJoined(name);
+		input >> name;
+	}
+}
+
+void
+irc_event_connect(irc_session_t *session, const char *irc_event, const char *origin, const char **params, unsigned count)
+{
+	IrcContext *context = (IrcContext *) irc_get_ctx(session);
+
+	context->ircThread.GetCallback().SignalIrcConnect(origin);
 	irc_cmd_join(session, context->channel.c_str(), 0);
 }
 
 void
-irc_channel(irc_session_t *session, const char *event, const char *origin, const char **params, unsigned count)
+irc_event_join(irc_session_t *session, const char *irc_event, const char *origin, const char **params, unsigned count)
+{
+	// someone joined the channel.
+	IrcContext *context = (IrcContext *) irc_get_ctx(session);
+
+	if (context->nick == origin)
+		context->ircThread.GetCallback().SignalIrcSelfJoined(context->nick, context->channel);
+	else
+		context->ircThread.GetCallback().SignalIrcPlayerJoined(origin);
+}
+
+void
+irc_event_leave(irc_session_t *session, const char *irc_event, const char *origin, const char **params, unsigned count)
+{
+	// someone left the channel.
+	IrcContext *context = (IrcContext *) irc_get_ctx(session);
+
+	context->ircThread.GetCallback().SignalIrcPlayerLeft(origin);
+}
+
+void
+irc_event_channel(irc_session_t *session, const char *irc_event, const char *origin, const char **params, unsigned count)
 {
 	IrcContext *context = (IrcContext *) irc_get_ctx(session);
 
@@ -55,6 +119,23 @@ irc_channel(irc_session_t *session, const char *event, const char *origin, const
 	}
 }
 
+void
+irc_event_numeric(irc_session_t * session, unsigned irc_event, const char *origin, const char **params, unsigned count)
+{
+	switch (irc_event)
+	{
+		case LIBIRC_RFC_ERR_NICKNAMEINUSE :
+		case LIBIRC_RFC_ERR_NICKCOLLISION :
+			irc_auto_rename_nick(session);
+			break;
+		case LIBIRC_RFC_RPL_TOPIC :
+			break;
+		case LIBIRC_RFC_RPL_NAMREPLY :
+			if (count >= 4)
+				irc_notify_player_list(session, params[3]);
+			break;
+	}
+}
 
 IrcThread::IrcThread(IrcCallback &callback)
 : m_callback(callback)
@@ -69,7 +150,7 @@ IrcThread::~IrcThread()
 void
 IrcThread::Init(const std::string &serverAddress, unsigned serverPort, bool ipv6, const std::string &nick, const std::string &channel)
 {
-	if (IsRunning())
+	if (IsRunning() || serverAddress.empty() || nick.empty() || channel.empty())
 		return; // TODO: throw exception
 
 	IrcContext &context = GetContext();
@@ -83,15 +164,15 @@ IrcThread::Init(const std::string &serverAddress, unsigned serverPort, bool ipv6
 	irc_callbacks_t callbacks;
 	memset (&callbacks, 0, sizeof(callbacks));
 
-	callbacks.event_connect = irc_connect;
-	//callbacks.event_join
+	callbacks.event_connect = irc_event_connect;
+	callbacks.event_join = irc_event_join;
 	//callbacks.event_nick
-	//callbacks.event_quit
-	//callbacks.event_part
+	callbacks.event_quit = irc_event_leave;
+	callbacks.event_part = irc_event_leave;
 	//callbacks.event_mode
 	//callbacks.event_topic
 	//callbacks.event_kick
-	callbacks.event_channel = irc_channel;
+	callbacks.event_channel = irc_event_channel;
 	//callbacks.event_privmsg
 	//callbacks.event_notice
 	//callbacks.event_invite
@@ -99,7 +180,7 @@ IrcThread::Init(const std::string &serverAddress, unsigned serverPort, bool ipv6
 	//callbacks.event_ctcp_rep
 	//callbacks.event_ctcp_action
 	//callbacks.event_unknown
-	//callbacks.event_numeric
+	callbacks.event_numeric = irc_event_numeric;
 
 	//callbacks.event_dcc_chat_req
 	//callbacks.event_dcc_send_req
diff --git a/src/net/irccallback.h b/src/net/irccallback.h
index f9dccb0e..08615a5b 100644
--- a/src/net/irccallback.h
+++ b/src/net/irccallback.h
@@ -28,6 +28,10 @@ class IrcCallback
 public:
 	virtual ~IrcCallback();
 
+	virtual void SignalIrcConnect(const std::string &server) = 0;
+	virtual void SignalIrcSelfJoined(const std::string &nickName, const std::string &channel) = 0;
+	virtual void SignalIrcPlayerJoined(const std::string &nickName) = 0;
+	virtual void SignalIrcPlayerLeft(const std::string &nickName) = 0;
 	virtual void SignalIrcChatMsg(const std::string &nickName, const std::string &msg) = 0;
 };
 
diff --git a/src/session.cpp b/src/session.cpp
index c52e17b7..fc1fe262 100755
--- a/src/session.cpp
+++ b/src/session.cpp
@@ -334,13 +334,17 @@ bool Session::isNetworkServerRunning() const
 
 GameInfo Session::getClientGameInfo(unsigned playerId)
 {
-	assert(myNetClient);
-	return myNetClient->GetGameInfo(playerId);
+	GameInfo info;
+	if (myNetClient)
+		info = myNetClient->GetGameInfo(playerId);
+	return info;
 }
 
 PlayerInfo Session::getClientPlayerInfo(unsigned playerId)
 {
-	assert(myNetClient);
-	return myNetClient->GetPlayerInfo(playerId);
+	PlayerInfo info;
+	if (myNetClient)
+		info = myNetClient->GetPlayerInfo(playerId);
+	return info;
 }