public Opponent[] getOpponentsFor(Tanq me) {
		synchronized (tanqs) {
			Opponent[] opponents = new Opponent[tanqs.size() - 1];
			int index = 0;
			for (Tanq tanq: tanqs)
				if (tanq != me) 
					opponents[index++] = new Opponent(tanq);
			return opponents;
		}
	}