OLYMPIA FIELDS, Ill. (AP) — So Yeon Ryu wants to halt what has resembled a game of musical chairs on the LPGA Tour this season.

The newly minted world No. 1 will be going for her third win when the KPMG Women’s PGA Championship — the second major of the season — tees off Thursday on her 27th birthday. She comes in off a dominating win last week in the Walmart NW Arkansas Championship , which made her the first repeat winner in 16 events this season.

Ryu won the ANA Inspiration in April for her second major title after front-running Lexi Thompson was tripped up by a four-shot penalty. Ryu beat Thompson on the first hole of sudden death.

Including the KPMG, the women’s tour will play three majors in six weeks, giving Ryu the chance to prove her climb to the top is just the beginning of a long reign.

When a reporter asked this week whether her ambitions included sweeping the five majors this year, she quickly, but gently corrected him.

“Actually, career Grand Slam,” chuckled Ryu, who already owns a U.S. Women’s Open title. “I haven’t thought about the season Grand Slam.

“But if I can do it,” she added a moment later, brightening, “that’s going to be fantastic.”

It would put a shine on what’s been a sparkling week already. Former Secretary of State Condoleezza Rice and Olympic skiing champion Lindsey Vonn were among a number of prominent women involved in mentoring programs spurred by the tournament spotted on-course this week. A number of players visited Wrigley Field for a game and were spotted sampling nearby Chicago’s high-profile culinary scene.

Five-time major champion Phil Mickelson, a…