After wins in the Australian Open and Australian PGA Championship, left-hander Greg Chalmers is now No. 63 in the Official World Golf Ranking.
Chalmers moved up 40 spots after winning a three-man playoff in Coolum on Sunday. Before the Aussie swing began, Chalmers was No. 215 in the ranking.
Tiger Woods, inactive this week, dropped a spot to No. 52. He will earn world ranking points this week after his start in the Chevron World Challenge in California.
The top four on the ladder remain unchanged, with Luke Donald holding a 2.74-point lead over Rory McIlroy for the top spot.
Dustin Johnson again flipped with Steve Stricker for the No. 5 spot and the title of highest-ranked American. Matt Kuchar dropped to 11th, as Nick Watney took the 10th position from one half of the victorious World Cup team.
South African Open winner Hennie Otto improved from No. 226 to 122 after winning his national championship for the first time.
Tadahiro Takayama, victorious in the Japan Golf Tour's Casio World Open, moved up 40 spots to No. 126.