Trade away anyway
Recently I have played a rather boring game against the computer. This game would not even worth mentioning if it wasn't my best win so far (not in terms of style or strategy but considering my opponent's rating). It was the highest rating adversary I managed to beat. Again the tactics of trading away pieces playing against a very strong opponent gave its result. Here I trade queens which I think was the crucial moment in the game. This is the very case in chess when excessive persistence gives the reward of eventual win: