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Women's Open third round leaderboard -9 A Nordqvist, (Swe), N Koerstz Madsen(Den); -8 L Salas [US], -7 S Nuutinen* (Fin), L Duncan*/Sco), M Sagstrom (Swe), L Thompson (US); -6 A Jutanugarn (Tha), N Korda (US), B Henderson (Can), M Jutanugarn (Tha); Y Kim (Kor), G Hall
Scottish amateur Louise Duncan impressed the Carnoustie crowd by scoring a four-under par 68, which saw her move into contention for the Women's Open's third day.
Duncan shot seven under to win the last, two shots ahead of Anna Nordqvist Madsen and Nanna Koerstz.
Sweden's Nordqvist shot 65, the highest round of the week. Dane Koerstz Madsen managed a 68.
England's Georgia Hall, the overnight leader, and Nelly Korda, the world number one, are back at six under.
Hall shot a one over 73 to be the 2018 champion. However, she, along with Korda - who won the Women's PGA Championship in June and the Olympic titles in July - is still in a good place after an exciting day playing on the wet Scottish links.
As the advantage constantly changed between the many players, several players held the lead, either outright or as a share.
The 17 top players in the leaderboard were separated by four shots at the end of play. This sets up an exciting final round Sunday, when they will battle for the title of champion at the final major of the year.
It is anyone's sport. It is open to all," said Dame Laura Davies, a four-time major champion on Sky Sports.
It is scoreable, and I believe those on five or less can still win. There will be many chances."
Nordqvist (34), a former top-10 player, hasn't won a tournament after claiming her second major title, the 2017 Evian Championship.
Can Duncan win the Women's Open?
Duncan, a Stirling University student, is participating in her first major tournament since qualifying for the Women's Amateur Championship.
After a Friday 73-degree rollercoaster, an opening 68 was followed on Friday by a Saturday 69. She rediscovered her best form on Saturday, and she reduced the errors in a round that featured six birdies.
"Louise now has a chance," Davies said. She is six shots better than her 41st Women's Open record. She can have fun on Sunday.
She may be able to slip under radar because the pressure is on the big guns. If she is able to post 11 under, then the final group must tackle the last holes. Anything can happen. She seems to not feel under pressure.
Duncan said that she still feels nervous when she steps out on the Carnoustie first tee. However, it was not evident to anyone who watched as she gave another confident performance.
After making two birdies in the first four holes, she bogeyed eighth. Back-to-back birdies of 11 and 12 brought her to six under and within one of the leaders.
Nordqvist was a two-time major champion. Duncan had recorded the highlight of a great round with a long birdie par putt on the 15.
The Scot was three shots behind after a bogey on 17, before she made another birdie on the last. This earned her a warm reception from the thrilled home fans who braved the cold.
Duncan said, "It was probably my most enjoyable week,"
"To get the putter moving and to hole some good putts, it was all I could have asked for."
"I was shaking on my putt on the 18th. I felt that on 17 my putt should be in, so I felt I deserved a putt. It was a great feeling to have it in."