Giedo van der Garde says that Caterham would rather have a wet race in Brazil in order to create the chaos that could give it a chance of reclaiming tenth place in the constructors' championship.

The Leafield-based team currently sits at the foot of the table, one place away from prize money, with back-of-the-field rival Marussia currently holding the advantage thanks to Jules Bianchi's 13th-place finish from round two of the season in Malaysia, back in March. Tony Fernandes' team needs to at least equal that result to swap places with Marussia, as it has a better record of finishes below that, with three 14th places to Marussia's one.

Given the level of reliability throughout the field, however, van der Garde knows that it will likely take a random element - such as the weather - to bring about change.

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"Absolutely!" the Dutchman confirmed, "By pure speed, it's going to be tough in dry conditions and we need some luck. We need some other cars maybe to have a collision or maybe to have a mechanical failure - but rain will help a lot.

"Our car seems to work quite well in the rain, and is also quite competitive here in the dry. We have to give it a big push, the last chance, and hopefully we can do the same as last year."

The 2012 season, of course, saw Caterham overhaul Marussia inside the final five laps of the season, with Vitaly Petrov getting the better of Charles Pic to clinch eleventh in the race and tenth overall in similar circumstance to the current situation. Pic, of course, is now van der Garde's team-mate at Caterham, while Bianchi is partnered by fellow rookie Max Chilton at Marussia.

Of the quartet, only Bianchi has a deal for 2014, when he will remain with Marussia. Chilton hopes to be his team-mate once again, but is more focused on this weekend than next season.

"I'm not going to speculate any more than people already have," he insisted, "We've had some good discussions over the last couple of weeks and I'm happy with those conversations. They've gone quite well, so I'm just looking forward to hopefully being back next year and having a bit of a better chance.

"Marussia have been great to me. They gave me the chance to get into F1, and it's not easy for us where we are, but this year I think we've done a pretty stunning job with what we've got. It's not over yet - we learnt that last year here with five laps to go - so we're fingers-crossed, hoping that it can finish well.

van der Garde repeated earlier explanations that his management was currently dealing with his negotiations for next year, hoping that a year in the top flight would make it easier to secure another contract than it had been when he was looking to step up from the GP2 Series.

Pic, meanwhile, admitted that his future was not necessarily as secure as outsiders may have thought, although he confirmed that it would make sense to remain with Caterham, despite openings existing at the likes of Lotus, Sauber and Force India.

"I think the logical thing for me would be to stay at Caterham, but it's not sure," the Frenchman noted, "I think there are still many seats available for next year, so nothing is sure for the moment. We will see. You say that every year, no? I don't think it's changing a lot."

The current pairing is understood to be on Caterham's list of possibles for 2014, but are expected to face opposition from both Heikki Kovalainen, who is currently impressing in a replacement role at Lotus, and GP2 Series racewinner Marcus Ericsson, who is attending the Interlagos round as a guest of the team.