AFV losses in the 01.01.15 patch

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Beethoven1
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AFV losses in the 01.01.15 patch

Post by Beethoven1 »

Shortly before this new patch was released, I just so happen to have been doing some simple but systematic tests of AFV losses, so I may as well share my test results. It seemed to me, as I think it did to a lot of players, that Panzer divisions were a bit too brittle, and I was wanting to understand why and see if potentially anything could be changed to make that less so.

Anyway, to get a rough empirical idea of what AFV losses were like, I set up two basic attacks using the beginning of the Stalingrad to Berlin scenario, one with a German attack and one with a Soviet attack. I repeated the same two attacks for 10 trials each and then looked at the losses that occurred on average over the trials.

Of course, you will get different particular results if you set up the battles differently, e.g. on different types of terrain or different fort levels or different numbers of attackers vs defenders. But the point is to look systematically at at least a few battles to see some average results and get rid of some of the random variation noise, and see what emerges from that.



1.01.09 patch testing


On the 1.01.09 patch, I got the following results. For the Soviet attack:

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For the German attack:

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In both cases, you can ignore the bottom parts with "double armor." That was an experiment for potential modding where I tried using the editor to double the armor on all AFVs across the board, and compared what losses were like in that case (higher armor increased AFV survivability substantially).

The thing to focus on are the average losses with vanilla armor.

The Soviets won 3 of their 7 attacks, and had average losses of 26 German AFVs to 71 Soviet AFVs across the 10 trials. In the defensive battles that Germany won, they had fairly good loss ratios of a bit more than 4 to 1 in their favor. However, in the defensive battles Germany was losing, they were taking about 1 to 1 loss ratios. And it is worth noting that a disproportionate share of the German losses in those battles were retreat losses, specifically - nearly 60% of the German losses in those 3 battles were retreat losses. And more than a quarter of the total German losses across all 10 of the battles were retreat losses, despite the fact that they won 7 of 10 of the battles and took 0 retreat losses in those battles they won!!!

For the German attacks, the Germans won 5 of 10 attacks (screenshot says 6 of 10, but it is actually 5) and had average losses of 89 German AFVs for 83 Soviet AFVs. Those are pretty even losses overall, clearly not a great trade for Germany. The fact that the losses were even is an indication that it was pretty tough for Germany to counterattack with Panzers under this patch in the StB scenario. What is also notable is that in contrast to when the Soviets were attacking, when the Germans were attacking there was a lot less difference in the AFV loss ratio between German wins and Soviet wins. In the 5 battles where Germany successfully attacked, they lost an average of 99 AFVs for 78 Soviet AFV losses. Whereas in the 5 where the German attack failed, there were an average of 68 German losses and 88 Soviet losses. In both cases the losses were not too far from even. Looks pretty different from the Soviet attacks, where in the Soviet attacks there was a massive difference in the loss ratios depending on who won the battle (much of which was explained by comparatively high German retreat losses).



1.01.15 patch testing


I repeated the exact same tests, with 10 trials each again, with the new beta patch.

The results were VERY different.

Results when Germany attacks:

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Results when Soviets attack:

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When Germans attacked, previously in the old patch they won 5 of 10 attacks and took on average basically even losses (89 German AFVs for 83 Soviet AFVs). Whereas now on the new patch, Germany won EVERY SINGLE ONE of their 10 attacks. Again, this was the exact same attack using the exact same save, the only difference being the patch versions. Germany lost an average of 52 AFVs across the 10 trials, while Soviets lost an average of 213, about a 4 to 1 ratio in Germany's favor. The Soviet losses were more than double than in the same attack in the previous patch, while German losses were a bit more than half as much as in the previous patch.

When Soviets attacked, in the previous patch they won the battle in 3 of 10 trials. Whereas in the new patch, Soviets lost EVERY SINGLE ONE of their 10 attacks. On average, Germany lost 26 AFVs and Soviets lost 208 AFVs, a ratio of 8 to 1 in favor of Germany. That certainly seems like a favorable trade for Germany, and is definitely way better than they were getting in the previous patch. Moreover, the Soviet losses were pretty high in absolute terms, especially on the last attack, where Soviets lost 300 AFVs, about 90% of their total AFVs in the battle.

So it should be quite clear that things are VERY different in the new patch with AFV combat, at least for this particular winter 1942-43 combat. If things are changed similarly in 1941, the balance of AFV combat should be much more in Germany's favor in 1941. It actually seems like it might actually even be to the point of being an over-correction.



Combat intensity and overall AFV losses/AFV brittleness

Even before this patch, it seemed subjectively like AFV losses might be too high. I am not some David Glantz expert historian or anything, so maybe this is completely historical, but even under the old patch, in my Stalingrad to Berlin scenario game (AAR here), the AFV losses in the first turns were like this:

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And here is the AFV stockpile, Soviets down from 13k to 8k:

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This meant that my total # of AFV as Soviets dropped by about 40% since the start of the scenario. Is that actually historical, that losses were that high? I dunno, like I said I am not David Glantz, but it does seem like a lot. I was attacking aggressively with my tanks, but I think Soviets more or less also historically attacked with their tanks and got them into combat?

That was with the old patch, so I do have some concern that with the new patch, AFV losses (in particular for the Soviets) may be even higher, to the point where Soviet AFV stockpiles may just completely evaporate in a fairly small number of turns, if they are actually used at all in combat.
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Beethoven1
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RE: AFV losses in the 01.01.15 patch

Post by Beethoven1 »

Here are some screenshots showing examples of the attacks I did, to make it more clear of what units I was doing this with etc. The Germans were attacking into Soviet level 2 forts in light forest, while the Soviets were attacking into German level 2 forts in light forest. In both cases, the attacks were done with superior numbers, although not massively so.

In both cases there was no particular reason for using this terrain/forts/etc, this is just what was easiest to quickly set up in the StB scenario.

Soviet attack (with the new patch):

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German attack (with the new patch):

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The different trials are all repetitions of the same attack. Although you do get random general rolls and a bit of random variation in which support units join, etc, but you have that variation in the actual game.
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RE: AFV losses in the 01.01.15 patch

Post by Erik Rutins »

Thanks for testing this. This is fairly similar to what I was seeing in internal testing as well, but it will vary given all the other variables that are involved and considered, but units with higher experience and morale in decent terrain and weather will do much better now. Over the long run, the wear and tear still happens and the difference diminishes but it will be interesting to see the results from multiple games with 1.10.15 in 1941 and later years.
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RE: AFV losses in the 01.01.15 patch

Post by battlefield91 »

Yes, especialy the SS Panzer Division´s and the Großdeutschland have a really nasty punch with 1.10.15


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DeletedUser44
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RE: AFV losses in the 01.01.15 patch

Post by DeletedUser44 »

Was there anything in the patch notes that could account for these differences?

I did not see anything that correlated to a change in the combat algorithm. But maybe I missed it?
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RE: AFV losses in the 01.01.15 patch

Post by Erik Rutins »

• Changes made to ground combat. Increased the range at which the opening direct fire shots are fired, while increasing the amount of fire at these longer ranges. Increased the number of rounds of combat between opening range and 50 yard combat. Opening ranges will be longer for clear and less dense terrain. Net effect of combat changes increases overall losses slightly.
• AFVs could sometimes return fire at a range greater than their weapon’s range. Fixed.
• Units lose lots of ammo and in some cases their ammo on hand goes negative. Fixed.
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RE: AFV losses in the 01.01.15 patch

Post by DeletedUser44 »

ORIGINAL: Erik Rutins

• Changes made to ground combat. Increased the range at which the opening direct fire shots are fired, while increasing the amount of fire at these longer ranges. Increased the number of rounds of combat between opening range and 50 yard combat. Opening ranges will be longer for clear and less dense terrain. Net effect of combat changes increases overall losses slightly.
• AFVs could sometimes return fire at a range greater than their weapon’s range. Fixed.
• Units lose lots of ammo and in some cases their ammo on hand goes negative. Fixed.

Thank you.

It is hard to envision this is what is responsible for such changes in battle results.

The following should reduce losses, correct?

AFVs could sometimes return fire at a range greater than their weapon’s range. Fixed.

This gives the impression that AFVs were previously returning fire, when they should not have been allowed to.

Was there some other 'undocumented' changes perhaps?

-----

I have played through 1st couple of turns as Germans and cannot tell any difference. Nothing unusual yet with my AFV losses. But it is really early, not winter and Soviets have not mounted any serious attacks yet.

Overall, seems like these changes should only benefit side with longer, direct fire, weapon ranges.
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RE: AFV losses in the 01.01.15 patch

Post by Nix77 »

Soviet AFVs getting completely annihilated in a single battle seems a bit worrying to me...

Getting 90-100% AFV losses while losing only 20-30% of men sounds like a weird battle result.ř
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RE: AFV losses in the 01.01.15 patch

Post by malyhin1517 »

In my game against a human, I suffered quite a lot of tank losses! Here are the results for week 4 of battles.
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cameron88
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RE: AFV losses in the 01.01.15 patch

Post by cameron88 »

These tank losses are now historical and similar to WITE1. Previous patches were very poorly modeled, and as a result german tank divisions were practically worthless, especially at counter attacking soviet tank divisions. Now you can expect the game to have more predictable outcomes, which i'm happy about.
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RE: AFV losses in the 01.01.15 patch

Post by Zovs »

So far I think the new changes are more historic, the German tank units were a bit too brittle and the Soviets a bit too powerful for 1941-42.

Morale and experience are important. Be interesting to see how things play out now.
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RE: AFV losses in the 01.01.15 patch

Post by Searry »

German tanks took massive losses when they went against Soviet armor in 1941. I think the previous balance was fine.
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RE: AFV losses in the 01.01.15 patch

Post by Denniss »

in previous versions those were alsmost always killed in combat while in reality they had to leave many tanks behind because of a serious lack of spare parts. Cannibalizing of damaged tanks was common to get other tanks back into combat. With the fast front movements those cannibalized tanks were left behind. Some were picked up to be sent back to germany but many others were left to the elements or oven blown up.
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RE: AFV losses in the 01.01.15 patch

Post by Dreamslayer »

ORIGINAL: Zovs
Morale and experience are important.
Soviet units at start get random morale/exp. So each new game you can gain absolutely different units. And nobody care.
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RE: AFV losses in the 01.01.15 patch

Post by Erik Rutins »

ORIGINAL: Sauron_II
This gives the impression that AFVs were previously returning fire, when they should not have been allowed to.

Was there some other 'undocumented' changes perhaps?

-----

I have played through 1st couple of turns as Germans and cannot tell any difference. Nothing unusual yet with my AFV losses. But it is really early, not winter and Soviets have not mounted any serious attacks yet.

Overall, seems like these changes should only benefit side with longer, direct fire, weapon ranges.

There has also always been a benefit for high experience/morale units, but more shots at longer range (without incorrect return fire) tends to increase that benefit.
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RE: AFV losses in the 01.01.15 patch

Post by Erik Rutins »

I think it's quite important to test these changes, but please test them as a whole during actual play. The system has enough variability that the results from one battle alone are not significant.
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RE: AFV losses in the 01.01.15 patch

Post by malyhin1517 »

ORIGINAL: Erik Rutins

I think it's quite important to test these changes, but please test them as a whole during actual play. The system has enough variability that the results from one battle alone are not significant.
I have already played 4 turns in the 1941 campaign against a human on the new patch. If necessary, I will continue to publish my tank losses here.
Sorry, i use an online translator :(
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RE: AFV losses in the 01.01.15 patch

Post by jubjub »

The biggest change I've noticed so far is much higher FPE/HPE for German artillery. I think this has the effect of disrupting many more AT weapons before they can shoot your tanks.
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RE: AFV losses in the 01.01.15 patch

Post by HardLuckYetAgain »

ORIGINAL: jubjub

The biggest change I've noticed so far is much higher FPE/HPE for German artillery. I think this has the effect of disrupting many more AT weapons before they can shoot your tanks.

Use the "Weapon stat" filter at the bottom of the "ground combat" screen using a check mark to list the different weapon hits should give even more information :)
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RE: AFV losses in the 01.01.15 patch

Post by Joel Billings »

ORIGINAL: Erik Rutins

• Changes made to ground combat. Increased the range at which the opening direct fire shots are fired, while increasing the amount of fire at these longer ranges. Increased the number of rounds of combat between opening range and 50 yard combat. Opening ranges will be longer for clear and less dense terrain. Net effect of combat changes increases overall losses slightly.
• AFVs could sometimes return fire at a range greater than their weapon’s range. Fixed.
• Units lose lots of ammo and in some cases their ammo on hand goes negative. Fixed.

There were other changes made, one of which was documented for one of the test patches but I see was left off in the final patch notes (my mistake). There are three things to know in addition to the above items:

1) There was effectively a bug added several years ago in development that had cut the opening range down for direct fire ground combat. It's unfortunate that this didn't rise in visibility during development. A few testers say they had remarked about it but I never picked up on it. In early September, as often happens, separate posts by one player in the public forum and one scenario designer in the tester forum happened to come in on the same topic, that long range AFV battles weren't happening. Once Gary looked into it he quickly found his mistake. It took several rounds but eventually he got the opening ranges where he wanted them.
2) Gary wanted to use existing mechanisms as much as possible to make the needed adjustments. He had a system whereby AFVs could pass some experience/morale rolls and rack up multiple shots. He adjusted this system somewhat, and was able to get a better ratio of losses by enhancing this system.
3) The item that I somehow managed to leave out of the patch notes was:
• AFV radio/command control modifier - Adjusted chance of extra AFV shots from existing exp/morale bonus rolls to reflect better German AFV radios/command control over time. The net result is Soviet AFVs should get less of these bonus shots, than in the past, earlier in the war, but will ramp up over time.
What this basically represents is the ability of well coordinated AFV groups to maneuver into better firing positions, and then get off multiple shots before the enemy has time to react. This allowed us to impact things over time by adjusting the modifier over time.

In all of our tests, we have found in general we're happy with the results. However, we acknowledge that for some reason, the losses in late 42 and early 43 in particular are higher than historical. The fact that the weaker side can often lose all or almost all of their tanks probably contributes to this. It's hard to get that just right. The losses that can be racked up in StoB or in 1943 in a campaign game do seem a bit excessive (maybe as much as 25-40% high). As I said, it's really hard to get this system to work in all cases for all time periods. While human players tend to have lower than historical losses in 1941 (as the Soviet player falls back more), the reverse appears to be true in 1943 and later. Players are much more willing to push hard and the battle intensity on the ground (and in the air) can be much higher than historical (or what the AI is usually willing to do). We won't know for sure until more games are played. However, we are very happy with the changes overall, and the changes in 1941 are particularly good. While the Germans did lose tanks in combat, the combat loss ratio was better for the Germans than what we had been seeing. The battle of Brody is the classic. Wiki lists 3500 Soviet tanks to 750 German tanks. Even with that near 5 to 1 advantage, the losses listed are 800 Soviet to 200 German. I think the revised system is much more likely to obtain these results than the old system. It should actually help the German players in 1941, and there's been much written about the perceived imbalance. It's possible after all the changes players will start complaining that the Germans have it too easy. I don't think that will be the case, but again, we won't really know until new games are played. Thanks to those players and testers that continue to provide detailed feedback and allow us to continue to improve the game.


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