IEM Kraków: how ZywOo hit a 1.66 rating and 29th MVP in CS2

At IEM Kraków 2026, Mathieu “ZywOo” Herbaut posted a 1.66 rating in the CS2 grand final against FURIA, on top of a 1.59 rating across the full event for Team Vitality. That 1.59 stands as the best big‑event tournament rating of his career so far and one of the clearest “stat ceiling” performances we’ve seen in CS2.

Across the final, ZywOo finished with 90 kills, 41 deaths and over 100 average damage per round, while Vitality closed the series 3‑1 to secure the IEM Kraków 2026 trophy and another MVP medal for their star. This run pushed him to 29 career MVP awards and opened 2026 right after a 2025 season already packed with trophies and MVPs.

If you’re trying to understand “how high can ZywOo’s CS2 rating go in real LAN events,” Kraków is the best current example: a full‑event 1.59 with a 1.66 grand final is about as close as we’ve seen to a realistic statistical ceiling without the match turning into pure stat‑padding.

What made ZywOo’s IEM Kraków 1.66 rating special?

In CS2, a 1.30+ rating over a big LAN event already marks you as a top performer, and anything in the 1.40+ range usually defines the tournament. ZywOo’s 1.59 at IEM Kraków 2026 is confirmed as the highest big‑event rating of his career, barely edging his previous peak from ESL Pro League Season 19 but with even more impact.

Key confirmed numbers from Kraków:

• 1.59 event rating, his best big‑event rating to date.

• 1.66 grand final rating versus FURIA, with a 90‑41 K‑D and ~101 ADR.

• 1.67 playoff rating, showing his level climbed in the knockouts.​

• 1.26 kills per round, plus multi‑kills in 29.3% of rounds.​

• 58% of maps topped by ZywOo on the scoreboard.​

These are big‑sample LAN stats across the whole event, not a one‑series spike.

ZywOo’s rating mechanics: how do you reach 1.66 in a grand final?

To hit a 1.66 rating in a CS2 grand final without farming low‑tier opponents, several things have to go right at once: roles, teammates, map pool, and the way rating systems weigh impact. IEM Kraków is a good case study in how that all fits together.

1. High‑leverage roles in Vitality’s system

ZywOo plays as Vitality’s primary star, often picking up the AWP but also taking key rifling positions when needed. In practice, that means:

• He’s frequently in late‑round situations where a single multi‑kill or clutch decides the round.

• Teammates like flameZ and mezii take on a lot of the dirty work and space‑creation so he can arrive in the right spots with utility and time.

Because rating models weigh survival, multi‑kills, and high‑impact rounds heavily, this kind of role amplifies his strengths whenever he converts those chances.

2. Efficiency, not just volume

Kraków wasn’t just about raw frag count; it was about how efficiently ZywOo turned his opportunities into impact.

• 1.26 KPR and 29.3% multi‑kill rounds show that many of his rounds had direct, round‑winning value.​

• In the final, consistently breaking FURIA’s attempts with high ADR and clean trades forced their economy into a losing cycle.

This is the difference between a high rating built on eco frags and one built on deciding the outcome of full‑buy rounds on maps like Inferno and Overpass.

3. Map‑to‑map stability and floor

Another big part of reaching a ceiling like 1.66 in a final is avoiding bad maps. ZywOo’s median map rating at Kraków was reported at 1.67, which tells you the event wasn’t carried by one or two freak maps.​

• He topped the scoreboard in well over half the maps at the tournament.​

• Even when Vitality stumbled early in the final, his level stayed high enough that the rating never cratered.

A strong floor like that makes it mathematically possible to push the average toward 1.6+ at the end of a long event.

How much did Vitality’s structure boost his ceiling?

No star hits a 1.66 grand final rating alone. Vitality’s team structure and synergy make these numbers sustainable in real matches instead of turning every round into a solo play.

Vitality’s support cast in the grand final

Here’s a quick look at how the core of Vitality performed around him in the FURIA series:

With that kind of backbone, Vitality can keep running game plans that naturally channel ZywOo into high‑impact situations rather than improvising around him mid‑round.

Map pool and adaptation

IEM Kraków also highlighted how a deep map pool raises a team’s ceiling:

• Vitality dropped Mirage but bounced back with a dominant showing on maps like Nuke and Overpass.

• On Inferno, coverage notes a “ludicrous” 2.22 rating performance from ZywOo, which fit into a broader pattern of strong showings rather than being the only spike.​​

A team that can respond to an early map loss and still play at full structure gives its star more chances to post the kind of stat line that leads to 1.66 in the final overall.

Is this actually ZywOo’s big‑event rating ceiling?

Right now, IEM Kraków 2026 is officially described as the best big‑event tournament of ZywOo’s career by multiple outlets, both in terms of rating and overall impact. That makes the 1.59 event rating and 1.66 grand final rating the clearest “ceiling” sample we have for him in CS2.

There are a few reasons to treat this as a realistic, not hypothetical, upper bound:

• It’s a full big LAN against tier‑one opposition, not a small event or online qualifier.

• The numbers include pressure maps in playoffs and a grand final, where ratings usually dip for most players.

• The performance builds directly on an already historic 2025 where he stacked eight MVPs and nine titles with Vitality.

Could he push higher in a future event? It’s possible, but anything above this level would be breaking his own record again.

What this means for ZywOo’s CS2 legacy and Vitality

ZywOo’s IEM Kraków run adds another layer to his legacy as one of the defining players of CS2’s early years.

• 29 career MVPs after Kraków, with this being his first of 2026.

• Back‑to‑back “Hall of Heroes” style titles for Vitality, reinforcing them as one of the era’s dominant teams.

• A clear statistical benchmark for future big‑event performances: any 1.55–1.60+ LAN rating over a full event will now be compared directly to this run.