public void phaseChange(GamePhase previousPhase, GamePhase newPhase) {
	Set<GameMember> activeMembers = new HashSet<GameMember>();
	Set<GameMember> wantingDraw = new HashSet<GameMember>();
	Set<GameMember> wantingDefeat = new HashSet<GameMember>();
	Set<GameMember> wantingVictory = new HashSet<GameMember>();

	/**
	 * Check if we have active members, book those that miss deadlines, check if they are ready for defeat or draw
	 */
	for (GameMember member : getMembers()) {
	    if (!member.eliminated) {
		if (GameMember.STATE_HAS_ORDERS.equals(member.state)) {
		    activeMembers.add(member);
		    if (GameMember.INTENT_DRAW.equals(member.intent)) {
			wantingDraw.add(member);
		    } else if (GameMember.INTENT_DEFEAT.equals(member.intent)) {
			wantingDefeat.add(member);
		    } else if (GameMember.INTENT_VICTORY.equals(member.intent)) {
			wantingVictory.add(member);
		    } else {
			throw new RuntimeException("Unknown intent for " + member);
		    }
		} else {
		    Account.missedDeadline(member.email);
		}
	    }
	}

	/**
	 * Check if we need to finish
	 */
	if (getWorld().getLastTurnState().isEnded()) {
	    /**
	     * We have an official winner according to the adjudicator
	     */
	    state = Game.STATE_FINISHED;
	    if (getWorld().getVictoryConditions().winner != null) {
		GameMember winner = getMemberByPower(getWorld().getVictoryConditions().winner.getName());
		winner.winner = true;
		winner.save();
	    }
	} else if (activeMembers.size() == 0) {
	    /**
	     * We have no more active members.
	     */
	    state = Game.STATE_FINISHED;
	    new GameResult(previousPhase, "Game has no more active members. Finished.").save();
	} else if (activeMembers.size() == 1) {
	    /**
	     * Only one active member left.
	     */
	    GameMember winner = new ArrayList<GameMember>(activeMembers).get(0);
	    winner.winner = true;
	    winner.save();

	    state = Game.STATE_FINISHED;
	    new GameResult(previousPhase, winner.power + " is only member left and wins. Finished.").save();
	} else if (wantingDefeat.size() == activeMembers().size()) {
	    /**
	     * Everyone gave up?
	     */
	    state = Game.STATE_FINISHED;
	    new GameResult(previousPhase, "All members gave up simultaneously. Finished.").save();
	} else if (wantingDraw.size() == activeMembers.size()) {
	    /**
	     * Draw
	     */
	    StringBuffer memberNames = new StringBuffer();
	    ArrayList<GameMember> members = new ArrayList<GameMember>(wantingDraw);
	    for (int i = 0; i < members.size(); i++) {
		GameMember member = members.get(i);
		member.winner = true;
		member.save;

		memberNames.append(member.power);
		if (i < members.size() - 2) {
		    memberNames.append(", ");
		} else {
		    memberNames.append(" and ");
		}
	    }

	    state = Game.STATE_FINISHED;
	    new GameResult(previousPhase, "Game ended in draw between " + memberNames + ". Finished.").save();
	} else if (wantingDefeat.size() == activeMembers.size() - 1) {
	    /**
	     * Everyone except one gave up
	     */
	    GameMember winner = null;
	    if (wantingDraw.size() == 1) {
		winner = new ArrayList<GameMember>(wantingDraw).get(0);
	    } else if (wantingVictory.size() == 1) {
		winner = new ArrayList<GameMember>(wantingVictory).get(0);
	    } else {
		throw new RuntimeException("if all but one wants defeat, how the hell can both the number of wanting draw and the number of wanting victory != 1?");
	    }
	    winner.winner = true;
	    winner.save();
	} else if (wantingVictory.size() == 0) {
	    /**
	     * Nobody wants to win
	     */
	    state = Game.STATE_FINISHED;
	    new GameResult(previousPhase, "All members gave up or wanted a draw. Finished:").save();
	}

	save();
    }