We're two-thirds of the way through F1's first ever triple header - and while some drivers' form is soaring, others is on the wane. This week we have two re-entries - and a brand-new number one... How it’s done In a new feature for 2018, our team of experts assess each driver after every Grand Prix and score them according to their performance across the weekend - taking machinery out of the equation

Our experts' scores are then combined to produce an ongoing overall ranking which reflects driver form - taking only the three most recent races into account This week’s Top 10

The Phoenix of our F1 Power Rankings, Max Verstappen rises into first place after a weekend in which he received perfect scores from every one of our contributors. The Dutchman didn’t factor at all in our top ten until after Canada, but it is his run of successive podiums, capped off by a win against the odds at Red Bull’s home track in Austria, that sees him ascend to the top. In the face of the early season media backlash, Verstappen said he wouldn’t change his driving style and he’d let his racing do the talking. And since Monaco, where a practice shunt took him out of contention for a win that ultimately went to his team mate, he has outqualified and outraced Daniel Ricciardo at every event. Max is back. If, indeed, he ever actually left...

It is perhaps the measure of Charles Leclerc’s season that despite another points scoring Grand Prix for the youngster, his race in Austria, as in France, could be viewed as something of a disappointment. Certainly, by him. But perhaps that is just the measure of a driver already being lauded as a future world champion. Leclerc’s weekends are fashioned in qualifying. He was electrifying in France and again in Austria he demolished his team mate, still managing to start ahead of Marcus Ericsson despite a five-place penalty for a gearbox change. Much of his hard work was undone on lap 2 as he ran wide and lost positions, and the points lost in his rankings score, along with those dropped for his moment in France, are seemingly the only factors that risk even partially dulling his shine, and keeping him from the top spot.

The rise of Valtteri Bottas in our standings comes as a result of three races in which he has displayed the same consistent quality that, with a dose of greater fortune, would see him leading the world championship rather than occupying the sixth spot in the drivers’ championship with which he must make do. In Canada he had the absolute measure of his team mate, in France his result was determined at the first corner and in Austria he flew to pole position and was looking good, once again, for a solid podium result until mechanical gremlins pitched him into an early bath. Yes he lost the lead at the start, but his recovery of positions over that first tour was sublime. If that’s the only self-inflicted negative one can find for the past three races, it tells you everything about how well he’s driving.

Lost the world championship lead, got it back, lost it again. So swings the ebb and flow of Lewis Hamilton’s recent race form. He was surprisingly off colour in Montreal, scene of his first Grand Prix victory and a circuit on which he traditionally excels, but was back to his imperious best at Paul Ricard, notching up his 65th career win and ensuring that he now holds the distinction of being a race winner at every track on the calendar. In Austria one could argue he might have battled slightly harder once things started to go against him, but it would have been by the rarest of technical issues that cost him any chance of fighting back for the win which appeared to have been pulled from under him by a wrong-footed strategy call. While his drop in position owes more to Verstappen’s ascent and the consistent brilliance of Leclerc and Bottas, he hasn't been on peak 'peak' form over the last three rounds. Then again, that's still better than most...

Back in the lead of the world championship and Vettel drops a position? That’s the nature of the game in Power Rankings and Seb will be reeling from the shocker of a score he picked up for his first lap foul-up in France until the results are in for his home Grand Prix. He was also bested by his team mate in Austria thanks, in no small part, to the penalty he picked up in qualifying. One could argue that he should have been let off with a reprimand given that both he and Carlos Sainz, who he held up, made it through to Q3, but under the letter of the law he infringed the regulations. And when you’re fighting for a title, those are the sort of small mistakes that can have a big impact. Fortunate that a double Mercedes DNF saved his and Ferrari's blushes.

The first of two re-entries this week, and it’s the first of the Haas drivers. KMag has been missing from the top ten since Baku, having started off the season as the highest ranked racer after his phenomenal early races. While Canada was a tough weekend for the team, Haas fought back in France and Austria with Magnussen leading the charge. With his team mate a non-scorer until just this past weekend, it is Magnussen that has taken on the heaviest load, and his strength of character and positivity throughout has been the leadership that has helped to drag the team out of its small slump. Austria was the best team result in Haas history, the 22 points gained precisely the total lost at the opening round in Australia. The team is back and they owe much of that to Kevin’s motivation, leadership and racecraft.

It’s not been the easiest of three races for Carlos Sainz, but his exceptional run to as high as third place in France and a battling drive to stay in the points that afternoon despite reliability issues at the close mean that his overall score remains high. Outqualifying Nico Hulkenberg is no mean feat, and is something the Spaniard has done for the past two races, but Austria was a rough afternoon with tyre-wear catching Renault on the back foot and leaving Carlos out of the points. Still extracting the most from his car when he can, his consistency is key in his positioning.

It had all started so well in Australia, but Romain Grosjean’s season hit the skids soon after. It is thus no small relief to see him back to his best and, for the first time since that first race of the year, back in the Power Rankings top 10. He was inspired in Austria, his score from the contributors matching those at the very top of the list, as he brought home fourth place and the best result ever for Haas in the team’s 50th race. While Magnussen has been the workhorse at the team, Grosjean has required deep introspection to bring his game back on point, something he achieved at the weekend. His brilliant score, allied to maintaining such form over the coming races, could see him a permanent re-addition to the top 10.

Ever since that brilliant weekend in Monaco, Daniel Ricciardo has struggled somewhat to find that same magic. He has been outqualified by his team mate at each of the following races and simply hasn’t had the tools at his disposal to fight him on race day. His post-qualifying unhappiness with Red Bull in Austria, when the team was simply following well-engrained protocol, hinted at some frustration but also spoke to the competitive nature that has long been a calling card of the Honey Badger. From the highs to the lows, another off-colour weekend could see Daniel slip out of the Top 10.