K.J. Choi established a one-shot lead at a rain affected RBC Heritage tournament in South Carolina.

The South-Korean took advantage of his early start time, going round in a five-under-par 67 to shoot to the top of the leader-board, after an innocuous level par round on the opening day of play.

Choi’s lead, however, may be slightly misleading as a number of players were not able to complete their round due to inclement weather.

Heavy rain brought play to a close just before 3pm and it has meant that numerous players will now complete their second-rounds tomorrow, with play commencing at the earlier time of 8am, providing the outlook is better.

Choi, though, has no concerns of this nature and the 43-year-old, who only decided to play the competition after deciding that the tight design of the course suited his playing style, is delighted that his decision has been vindicated.

"I'm very happy finishing before the rain," Choi said to PGATour.com. "Even in the morning it's very tough, wind blowing. Today, I made a lot of putts."

"If you just hit it beneath the trees, it's a good course to play.

"It has very small targets and this course is working well."

One of the players to have to finish their round tomorrow morning is Choi’s current nearest challenger, Robert Allenby. The Australian carded a round of 69 yesterday and built on his steady start to proceedings, with two birdies in the first five holes before his round was brought to an end.

However, whilst the aforementioned pair may have coped well under tricky conditions, the weather destroyed two of the overnight leaders’ scores. Matt Kuchar was four-over through six before his round was brought to an abrupt close, after making two double-bogeys, and William McGirt carded a round of 77 – as both were unable to build on their impressive six-under scores from the first round.

Elsewhere Luke Donald, who has finished outside the top three on only one occasion since 2009 on this course, is poised to be among the leading contenders to take the title once again. The Englishman admitted he was frustrated with his play at The Masters last week, but has clearly put that to the back of his mind quickly, as he shot a round of 70, to climb to join third, alongside Scott Langley, at three-under-par.

Of his round, he said: “If I'd got hot with the putter it could have been really special but still a very solid round and glad I'm done.

"You've got to keep it in play and plot your way around this course. That's why I've had some success here.

"It's not a course you can overpower and you need to be proficient around the greens. I hit 15 greens and with these small greens it's a job well done."

One man who could well do with heeding the experienced Donald’s advice is the uber-talented Jordan Spieth, who announced himself the golfing world after a stunning display at Augusta last week, where he ended up in tied second place.

The 20-year-old’s play this week has been less remarkable, though, and he is in a tie for 36th place, at one-over-par for the tournament.

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