"Today was a little different story,'' Bader said. "I knew it was going to be a little more difficult with the crowd. I had a couple of shaky holes, but I made some good recoveries out of trees. I was happy with the way I held strong. I was able to get through that.''
Young Kim rallied with birdies at Nos. 2 and 4 and gained a two-shot lead over Bader with birdies at Nos. 8 and 9, the second on a 21-foot putt.
Bader kept the margin from growing with a brilliant par save at 9. After her drive landed in the first cut of rough along the left side of the fairway, her second shot settled in a greenside bunker. She then nearly holed her sand shot, the ball stopping less than 3 inches from the hole as the gallery groaned.
Young Kim did not make a single bogey on the first two rounds and her string continued Saturday until she reached the 412-yard, par-4 13th, which has a twin-tiered green and is one of the two most difficult holes on the course.
While Bader made a downhill 10-foot birdie putt that stopped briefly on the lip before dropping, Kim missed a 5-foot putt for par, and that two-shot swing knotted the two at 16 under.
"That was a good momentum boost for me,'' Bader said.
"After (the) bogey, I (was) really disappointed (in) my game,'' Young Kim said. "But it's OK.''
Natalie Gulbis (70), Meg Mallon (68), Grace Park (67), Ai Miyazato (69) and Seon Hwa Lee (67) were 10 under. First-round leader Charlotta Sorenstam, who faltered Friday with a 73, continued the slide with a 75 and was at 4 under.
Divots: Catriona Matthew holds the record for lowest three-round score at Corning, a 199 four years ago. ... Young Kim went 48 holes without a bogey. ... The leaders' total of 16-under 200 ties the low 54-hole score on tour this year.