Possible BR balance issue / penetration inconsistency

I would like to report a possible balance and penetration inconsistency issue.

While playing a 5.7 BR IS-1 in Ground RB, I was destroyed in a single shot by a 4.0 BR Panzer IV. The shot penetrated my frontal armor near the gun mantlet area.

From my understanding of the BR system, this kind of consistent engagement outcome raises concerns about either matchmaking balance or armor/penetration model consistency.

I have a replay of the match available and can provide it if needed for review.

Please investigate whether this is intended behavior or if there may be an issue with the current balance or armor penetration calculations.

Replay evidence: https://youtu.be/_R9W-M8y_0U

I don’t understand, what is the issue?

What is abnormal about this?

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So the L/48 penetrated your turret cheek? That seems pretty normal to me…

???

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guys i got killed in my leopard 2a7 by an m4 sherman, so the leopard 2a7 is clearly too high in BR, it must go to 1.0

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I’m sorry. I truly am. But I have to do this.

Skill issue
Dude u can’t just think that u should be impenetrable against all lower br tanks. That was a completely normal shot, ur complaining for no reason

Looks normal to me. You can use the protection analysis tool in the game to see how your armor compares to the specific vehicle and ammunition they used.

You can find the tool here:

This is how it looks for your specific case:

Then it’s also in general better to link to a server replay instead of uploading a clip. That way anyone can view it from any angle they want and at any speed they want and even pause things (and it also eliminates any discrepancies due to client-server desync or lag that might have happened). You can find all server replays for the past 14 days posted publicly here: ( https://warthunder.com/en/tournament/replay/ ) just search for you name, ID-number or you can log in to the main website and click the “Replays including my participation” checkbox.

No need to be rude, they are seemingly a relatively new player and this is their first post on the forum. You can’t fault someone for not knowing something they never had the chance to learn.

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You remind me of the old days when I was driving a 4.7 Panzer IV H and a 5.7 IS-2. Luckily, the IS-2’s turret frontal armor was only “100mm vertical thickness,” you understand? Your turret frontal armor is only 100mm!

I don’t play RB, but I’ve blown up several thousand IS-1s and IS-2s in Arcade Ground Assault. Not with a IV H (only KV-1s and KV-85s with that), but driving Panthers and Tigers. Compared to its successor, the IS-1 is almost squishy. The hit in your video is definitely possible. It’s almost dead-on, and a bit of luck might be involved, but there is nothing that would need adjusting.

Normal behavior. The BR system is meant to balance vehicles out. It does not mean the a tank below your br cant kill you from the front.

The panzer 4 is also known for having a decently high pen gun for the BR. Plus is-1 is not a very heavily armored tank. Its lower front plate and the unrounded part of the turret are able to be penned by a lot of stuff.

In the past IS-2 was 6.0 when panzer IV was 4.7.


2014 cell picture, sorry.

BR system equalizes the game but how the hell I keep on fighting against tier 5/6 tanks with BR 7.7/8.0 while my highest tank is rated 7.0 tier 4? I keep noticing this when I am on a winning streak and GAIJIN suddenly do this kind of matchmaking. like I canatill win but WTF 8.0 tank takes a lot of concentration just to kill using a 7.0BR tank. and they should change this ARMOR PIERCING Ammo to ARMOR BOUNCING AMMO specially for US TANKS…