Warriors head coach Mark Jackson mostly stalked the sideline during Monday's open scrimmage at Oracle Arena, but midway through the second quarter, he stopped in his tracks and shook his head in disbelief. Point guard Stephen Curry had just made his fourth consecutive three-pointer, was 6-for-6 from the field and had knocked down his only free-throw try for 17 points, to the amazement of Jackson and the delight of about 6,000 fans - the largest in the history of these events.