PITTSFORD, N.Y. — Tiger Woods is leaving nothing to chance in his last chance this year to win a major. Fresh off a seven-shot victory at a World Golf Championship — his fifth win of the season — Woods showed up at Oak Hill late Monday afternoon and spent most of his time chipping and putting, trying to learn the nuances of the greens. Remember, his failure to adjust to the greens is what derailed him at the British Open two weeks ago.