Second Round of Samsung World Championship

1 of 5 Mark Ralston/AFP/Getty Images
Jiyai Shin leads by one stroke after a three-under 69.
2 of 5 Donald Miralle/Getty Images
moved into a tie for second place with Lorena Ochoa after a four-under 68.
3 of 5 Donald Miralle/Getty Images
made an eagle on 18 to shoot a 69.
4 of 5 Donald Miralle/Getty Images
made six birdies and three bogeys for a three-under 69.
5 of 5 Mark Ralston/AFP/Getty Images
birdied 17 and 18 to shoot a six-under 66.More photos from the Samsung World Championship• Round 1 Gallery