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Another common pitfall is closing a winning position because you are bored with it; its not moving. In Football, after a star running back breaks free for a 50-yard gain, he comes out of the game temporarily for a breather. When he reenters the game he is a serious threat to gain more yards – this is indisputable. So when your position takes a breather after a winning move, the next likely event is further gains – so why close it?